:root{
    --ink:#fff6e8;
    --ink-dim:#d9c6a3;
    --stone-1:#11131f;
    --stone-2:#161a2b;
    --stone-3:#1e2338;
    --stone-edge:#05070d;
    --gold:#ff9d2e;
    --gold-bright:#ffd166;
    --temple-blue:#2dd4a7;
    --temple-red:#ff3b56;
    --tooltip-bg:#150d08;
    --tooltip-border:#ffd166;
    --tooltip-ink:#fff3e0;
    --ink-on-accent:#241405;
    /* futuristic accent palette, shared across the whole site now */
    --fx-cyan:#ffd166; --fx-violet:#ff9d2e; --fx-pink:#ff3b56;
    --fx-glow-cyan:rgba(255,209,102,0.55); --fx-glow-violet:rgba(255,157,46,0.5);
    --fx-ink:#fff6e8; --fx-ink-dim:#d9c6a3;
    --fx-glass:rgba(14,17,32,0.6); --fx-glass-2:rgba(20,24,44,0.5);
    --fx-border:rgba(180,220,255,0.2);
    font-size:16px;
  }

  *{box-sizing:border-box;}

  html{ background:#05060d; scroll-behavior:smooth; }

  /* Modern discreet scrollbar without obtrusive glowing thumbs or arrows */
  html, body{
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.18) transparent;
  }
  ::-webkit-scrollbar{ width:6px; height:6px; }
  ::-webkit-scrollbar-button{ display:none !important; width:0 !important; height:0 !important; }
  ::-webkit-scrollbar-track{ background:transparent; }
  ::-webkit-scrollbar-thumb{
    background:rgba(255,255,255,0.18);
    border-radius:999px;
  }
  ::-webkit-scrollbar-thumb:hover{
    background:rgba(255,209,102,0.45);
  }
  ::-webkit-scrollbar-thumb:active{
    background:rgba(255,209,102,0.7);
  }
  ::-webkit-scrollbar-corner{ background:transparent; }

  body{
    margin:0;
    min-height:100vh;
    overflow-x:hidden;
    background:
      radial-gradient(ellipse 60vw 40vh at 18% -6%, rgba(255,157,46,0.18), transparent 62%),
      radial-gradient(ellipse 50vw 36vh at 88% 8%, rgba(255,209,102,0.13), transparent 60%),
      radial-gradient(ellipse 55vw 40vh at 50% 108%, rgba(255,59,86,0.10), transparent 60%),
      linear-gradient(90deg, rgba(255,209,102,0.05) 1px, transparent 1px) 0 0/42px 42px,
      linear-gradient(180deg, rgba(255,209,102,0.05) 1px, transparent 1px) 0 0/42px 42px,
      linear-gradient(180deg, #05070d 0%, #0a0c18 55%, #05070d 100%);
    color:var(--ink);
    font-family:'JetBrains Mono', monospace;
    display:flex;
    flex-direction:column;
    align-items:center;
    padding:86px 20px 70px;
    position:relative;
  }
  body::before{
    content:"";
    position:fixed; inset:0; pointer-events:none; z-index:0;
    background:radial-gradient(ellipse 80vw 60vh at 50% 40%, transparent 40%, #05070d 100%);
  }

  /* ================= Custom Wallpaper Layer ================= */
  .custom-wallpaper-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
  }
  body.has-custom-wallpaper .custom-wallpaper-layer {
    opacity: 1;
  }
  .custom-wallpaper-dim {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: rgba(5, 7, 13, var(--wallpaper-dim, 0.65));
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease, background 0.15s ease;
  }
  body.has-custom-wallpaper .custom-wallpaper-dim {
    opacity: 1;
  }
  body.has-custom-wallpaper {
    background: #05070d;
  }
  body.has-custom-wallpaper::before {
    opacity: 0;
  }

  /* Content elements elevated above background wallpaper */
  h1,
  .site-crest-icon,
  .subtitle,
  .founder-byline,
  .layout-strip,
  .session-bar,
  .layer-strip,
  .manuscript,
  .lesson-strip,
  .trial-panel,
  .race-panel,
  .board-wrap,
  .toolbar,
  .hint,
  .profile-credit,
  .site-footer,
  #lessonUnavailableNote {
    position: relative;
    z-index: 1;
  }

  /* Custom Wallpaper Settings Controls */
  .wallpaper-settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0 6px;
    flex-wrap: wrap;
  }
  .settings-subtext {
    font-size: 0.72rem;
    color: var(--ink-dim);
    margin-top: 3px;
    opacity: 0.75;
  }
  .wallpaper-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }
  .wallpaper-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.78rem;
    font-family: inherit;
    font-weight: 500;
    color: var(--ink);
    background: var(--fx-glass-2);
    border: 1px solid var(--fx-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .wallpaper-btn:hover {
    background: rgba(255, 209, 102, 0.15);
    border-color: var(--gold-bright);
    color: var(--gold-bright);
    box-shadow: 0 0 10px rgba(255, 209, 102, 0.2);
  }
  .wallpaper-btn.danger {
    color: #ff7085;
    border-color: rgba(255, 90, 112, 0.35);
  }
  .wallpaper-btn.danger:hover {
    background: rgba(255, 90, 112, 0.2);
    border-color: #ff5a70;
    color: #ff5a70;
    box-shadow: 0 0 10px rgba(255, 90, 112, 0.2);
  }
  .wallpaper-dim-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .wallpaper-slider-container {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .wallpaper-slider-container input[type="range"] {
    accent-color: var(--gold-bright);
    cursor: pointer;
    width: 120px;
  }
  .wallpaper-slider-container span {
    font-size: 0.78rem;
    color: var(--gold-bright);
    min-width: 36px;
    text-align: right;
    font-variant-numeric: tabular-nums;
  }

  /* drifting ambient motes */
  .motes{
    position:fixed; inset:0; pointer-events:none; z-index:0; overflow:hidden;
  }
  .mote{
    position:absolute;
    width:3px; height:3px;
    border-radius:50%;
    background:var(--gold-bright);
    opacity:0.35;
    filter:blur(0.5px);
    animation:drift linear infinite;
  }
  @keyframes drift{
    from{ transform:translateY(0) translateX(0); opacity:0;}
    10%{ opacity:0.5;}
    90%{ opacity:0.4;}
    to{ transform:translateY(-110vh) translateX(20px); opacity:0;}
  }

  .content{ position:relative; z-index:1; display:flex; flex-direction:column; align-items:center; width:100%;}

  .crest{
    width:64px; height:64px;
    margin-bottom:16px;
    opacity:0.9;
    animation:float 6s ease-in-out infinite;
  }
  @keyframes float{
    0%,100%{ transform:translateY(0) rotate(0deg);}
    50%{ transform:translateY(-5px) rotate(2deg);}
  }
  .site-crest-icon{
    margin-top:6px;
    margin-bottom:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    filter:drop-shadow(0 6px 18px rgba(255,157,46,0.35));
    transition:transform 0.25s cubic-bezier(.22,1,.36,1), filter 0.25s ease;
    cursor:pointer;
  }
  .site-crest-icon:hover{
    transform:translateY(-2px) scale(1.05);
    filter:drop-shadow(0 8px 22px rgba(255,157,46,0.55));
  }
  .site-crest-icon img{
    width:52px;
    height:52px;
    display:block;
  }

  h1{
    font-family:'Space Grotesk', -apple-system, sans-serif;
    font-weight:700;
    font-style:normal;
    font-size:clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing:-0.025em;
    margin:0 0 10px;
    text-align:center;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:14px;
    padding:0;
    background:none;
    border:none;
    box-shadow:none;
    color:var(--ink);
    text-shadow:0 2px 12px rgba(0,0,0,0.6);
    transition:transform .2s ease;
  }
  h1:hover{
    transform:translateY(-1px);
  }
  html.theme-glass h1 {
    padding:8px 24px;
    border-radius:16px;
    background:rgba(255,255,255,0.06);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid rgba(255,255,255,.28);
    box-shadow:0 8px 28px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.2);
  }
  @keyframes shimmer{
    0%{ background-position:200% center;}
    50%{ background-position:0% center;}
    100%{ background-position:200% center;}
  }
  @keyframes title-flicker{
    0%,100%{ filter:drop-shadow(0 0 9px rgba(255,209,102,0.22)); }
    50%{ filter:drop-shadow(0 0 17px rgba(255,209,102,0.42)); }
  }
  h1 .km{
    font-family:'Kantumruy Pro', 'Noto Sans Khmer', sans-serif;
    font-weight:600;
    font-size:1.08em;
    color:var(--gold-bright);
    letter-spacing:0.04em;
    margin-right:8px;
    text-shadow:0 0 18px color-mix(in srgb, var(--gold-bright) 35%, transparent);
  }

  .subtitle{
    font-family:'Space Grotesk', -apple-system, sans-serif;
    color:var(--ink-dim);
    font-size:0.86rem;
    font-weight:400;
    letter-spacing:0.01em;
    text-align:center;
    max-width:580px;
    line-height:1.6;
    margin-bottom:8px;
    text-shadow:0 1px 6px rgba(0,0,0,0.85);
  }
  .subtitle kbd{
    font-family:'JetBrains Mono', monospace;
    background:var(--stone-2);
    border:1px solid rgba(255,255,255,0.12);
    border-bottom:2px solid var(--stone-edge);
    border-radius:5px;
    padding:1px 6px;
    color:var(--gold-bright);
    font-size:0.78rem;
    font-weight:600;
    box-shadow:0 2px 5px rgba(0,0,0,0.4);
  }
  .founder-byline{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin:2px 0 20px;
    padding:5px 15px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,0.08);
    background:rgba(255,255,255,0.035);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    color:var(--ink-dim);
    font-family:'Space Grotesk', -apple-system, sans-serif;
    font-size:0.72rem;
    font-weight:500;
    letter-spacing:0.02em;
    box-shadow:0 2px 10px rgba(0,0,0,0.3);
  }
  .founder-byline strong{
    color:var(--gold-bright);
    font-weight:600;
  }
  .founder-byline-mark{
    color:var(--gold-bright);
    font-size:0.72rem;
    opacity:0.9;
  }

  /* Segmented Unified Layout Control */
  /* Segmented Unified Layout Control */
  .layout-strip{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    margin:10px auto 14px;
    padding:5px 6px;
    border-radius:14px;
    background:rgba(10, 14, 26, 0.82);
    border:1px solid rgba(255,209,102,0.25);
    box-shadow:0 8px 24px -6px rgba(0,0,0,0.5), 0 0 20px rgba(255,209,102,0.08), inset 0 1px 0 rgba(255,255,255,0.12);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
  }
  .layout-pill{
    display:inline-flex;
    align-items:center;
    gap:7px;
    font-family:'Space Grotesk', -apple-system, sans-serif;
    font-size:0.75rem;
    font-weight:600;
    letter-spacing:0.01em;
    padding:7px 14px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,0.08);
    color:var(--ink-dim);
    background:rgba(255,255,255,0.03);
    cursor:pointer;
    transition:all .2s cubic-bezier(.2,0.9,.3,1);
    user-select:none;
    line-height:1;
  }
  .layout-pill-icon{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    opacity:0.75;
    transition:transform .2s ease, opacity .2s ease;
  }
  .layout-pill-badge{
    font-size:0.62rem;
    font-weight:700;
    padding:1px 5px;
    border-radius:999px;
    background:rgba(255,255,255,0.08);
    border:1px solid rgba(255,255,255,0.12);
    color:#94a3b8;
    line-height:1.1;
  }
  .layout-pill-kbd{
    font-size:0.58rem;
    padding:1px 4px;
    border-radius:3px;
    background:rgba(0,0,0,0.35);
    border:1px solid rgba(255,255,255,0.12);
    color:#64748b;
    font-family:inherit;
    line-height:1.1;
  }
  .layout-pill:hover{
    color:var(--ink);
    background:rgba(255,209,102,0.08);
    border-color:rgba(255,209,102,0.4);
    box-shadow:0 0 12px rgba(255,209,102,0.2);
    transform:translateY(-1px);
  }
  .layout-pill:hover .layout-pill-icon{
    opacity:1;
    color:var(--gold-bright);
    transform:scale(1.08);
  }
  .layout-pill:active{
    transform:scale(0.97);
  }
  .layout-pill.active{
    color:var(--ink-on-accent, #1a1005);
    background:linear-gradient(135deg, #ffd166, #ffb703);
    border-color:#ffd166;
    font-weight:800;
    box-shadow:0 3px 16px rgba(255,209,102,0.45), 0 0 16px rgba(255,209,102,0.3), inset 0 1px 0 rgba(255,255,255,0.45);
    transform:none;
  }
  .layout-pill.active .layout-pill-icon{
    opacity:1;
    color:#1a1005;
  }
  .layout-pill.active .layout-pill-badge{
    background:rgba(10,14,26,0.2);
    border-color:rgba(10,14,26,0.3);
    color:#1a1005;
    font-weight:800;
  }
  .layout-pill.active .layout-pill-kbd{
    background:rgba(10,14,26,0.15);
    border-color:rgba(10,14,26,0.22);
    color:#2e1b08;
    font-weight:700;
  }

  /* Mechanical Segmented Layer Switchboard */
  .layer-strip{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:5px;
    margin:8px auto 22px;
    padding:5px 6px;
    border-radius:14px;
    background:rgba(12, 16, 28, 0.72);
    border:1px solid rgba(255,255,255,0.12);
    box-shadow:0 8px 24px -6px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.12);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }
  .layer-pill{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:7px;
    font-family:'Space Grotesk', -apple-system, sans-serif;
    font-size:0.74rem;
    font-weight:600;
    letter-spacing:0.02em;
    text-transform:none;
    padding:8px 18px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,0.06);
    color:var(--ink-dim);
    background:rgba(255,255,255,0.03);
    transition:all .18s cubic-bezier(.22,1,.36,1);
    cursor:pointer;
    user-select:none;
  }
  .layer-pill::before{
    content:"";
    width:5px;
    height:5px;
    border-radius:50%;
    background:rgba(255,255,255,0.3);
    transition:all .2s ease;
    flex-shrink:0;
  }
  .layer-pill:hover{
    color:var(--ink);
    background:rgba(255,255,255,0.08);
    border-color:rgba(255,255,255,0.18);
  }
  .layer-pill.active{
    color:var(--ink-on-accent, #241405);
    background:var(--gold-bright);
    border-color:var(--gold-bright);
    font-weight:700;
    box-shadow:0 2px 14px rgba(255,209,102,0.4), inset 0 1px 0 rgba(255,255,255,0.35);
  }
  .layer-pill.active::before{
    background:currentColor;
    box-shadow:0 0 6px currentColor;
  }
  .layer-pill.active.pill-ctrl{
    background:#2dd4a7;
    border-color:#2dd4a7;
    color:#04211a;
    box-shadow:0 2px 14px rgba(45,212,167,0.45);
  }
  .layer-pill.active.pill-altgr{
    background:#ff5a70;
    border-color:#ff5a70;
    color:#2c0b0c;
    box-shadow:0 2px 14px rgba(255,90,112,0.45);
  }

  /* ---------- torches ---------- */
  .torch{
    position:absolute;
    top:50%;
    transform:translateY(-58%);
    width:20px;
    pointer-events:none;
    z-index:2;
  }
  .torch.left{ left:-38px; }
  .torch.right{ right:-38px; }
  .torch .stick{
    width:6px; height:64px;
    margin:0 auto;
    background:linear-gradient(180deg,#2a3155,#0a0c18);
    border-radius:2px;
    box-shadow:inset -1px 0 0 rgba(0,0,0,0.4), 0 0 10px rgba(255,209,102,0.25);
  }
  .torch .flame{
    width:20px; height:28px;
    margin:-24px auto 0;
    background:radial-gradient(ellipse 60% 90% at 50% 75%, #fff0c2, var(--gold-bright) 42%, var(--fx-violet) 78%, transparent 80%);
    border-radius:50% 50% 50% 50% / 62% 62% 38% 38%;
    transform-origin:50% 100%;
    animation:flicker 2.1s ease-in-out infinite;
    clip-path:polygon(50% 0%, 100% 38%, 78% 100%, 22% 100%, 0% 38%);
  }
  .torch.right .flame{ animation-delay:-0.6s; }
  .torch .glow{
    position:absolute;
    left:50%; top:-14px;
    width:64px; height:64px;
    transform:translateX(-50%);
    background:radial-gradient(circle, rgba(255,209,102,0.32), transparent 70%);
    animation:flicker 2.1s ease-in-out infinite;
    pointer-events:none;
  }
  @keyframes flicker{
    0%,100%{ transform:scaleY(1) scaleX(1) rotate(0deg); opacity:1;}
    22%{ transform:scaleY(1.1) scaleX(0.92) rotate(-3deg); opacity:0.9;}
    48%{ transform:scaleY(0.92) scaleX(1.06) rotate(2deg); opacity:1;}
    74%{ transform:scaleY(1.06) scaleX(0.95) rotate(-2deg); opacity:0.94;}
  }

  .keyboard{
    display:flex;
    flex-direction:column;
    gap:7px;
    width:min(86vw, 780px);
    position:relative;
    padding-bottom:14px;
  }
  /* ================= new: temple horizon silhouette ================= */
  .horizon{
    position:fixed;
    left:0; right:0; bottom:0;
    width:100%;
    height:34vh;
    min-height:220px;
    z-index:0;
    pointer-events:none;
    opacity:0.75;
    transition:transform .4s ease;
  }
  .horizon-layer.far{ opacity:0.55; }
  .horizon-layer.near{ opacity:0.9; }

  /* ================= new: session stats bar ================= */
  .session-bar{
    display:flex;
    gap:0;
    width:min(86vw, 640px);
    margin:6px 0 16px;
    border-radius:14px;
    background:linear-gradient(180deg, rgba(16, 22, 38, 0.82) 0%, rgba(10, 14, 26, 0.88) 100%);
    border:1px solid rgba(255,255,255,0.14);
    overflow:hidden;
    box-shadow:0 12px 32px -8px rgba(0,0,0,0.65), inset 0 1px 0 rgba(255,255,255,0.16);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
  }
  .session-stat{
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:4px;
    padding:11px 8px;
    border-right:1px solid rgba(255,255,255,0.08);
    position:relative;
    transition:background .2s ease;
  }
  .session-stat:hover{
    background:rgba(255,255,255,0.025);
  }
  .session-stat:last-child{ border-right:none; }
  .session-stat-val{
    font-family:'Space Grotesk', -apple-system, sans-serif;
    font-size:1.25rem;
    font-weight:700;
    color:var(--gold-bright);
    letter-spacing:-0.02em;
    line-height:1.1;
    text-shadow:0 0 12px color-mix(in srgb, var(--gold-bright) 35%, transparent);
    transition:transform .18s ease;
  }
  .session-stat-val.bump{ animation:stat-bump .3s ease; }
  @keyframes stat-bump{
    0%{ transform:scale(1); }
    40%{ transform:scale(1.22); }
    100%{ transform:scale(1); }
  }
  .session-stat-label{
    font-family:'Space Grotesk', 'Kantumruy Pro', sans-serif;
    font-size:0.6rem;
    font-weight:600;
    letter-spacing:0.06em;
    text-transform:uppercase;
    color:var(--ink-dim);
  }

  /* ================= new: achievement toasts ================= */
  .toast-stack{
    position:fixed;
    top:18px;
    left:50%;
    transform:translateX(-50%);
    z-index:80;
    display:flex;
    flex-direction:column;
    gap:8px;
    align-items:center;
    pointer-events:none;
  }
  .toast{
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px 18px;
    border-radius:999px;
    background:linear-gradient(180deg, rgba(23, 28, 51, 0.96), rgba(12, 14, 28, 0.98));
    border:1px solid var(--gold);
    box-shadow:
      0 16px 38px -10px rgba(0,0,0,0.7),
      0 0 28px rgba(255,209,102,0.32),
      inset 0 1px 0 rgba(255,255,255,0.15);
    font-family:'JetBrains Mono', monospace;
    white-space:nowrap;
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    animation:toast-in .45s cubic-bezier(0.17, 0.89, 0.32, 1.25), toast-out .35s ease .55s;
    animation-fill-mode:forwards;
    will-change:transform, opacity;
    transition:transform 0.2s ease, box-shadow 0.2s ease;
  }
  .toast:hover{
    transform:scale(1.03) translateY(-1px);
    box-shadow:
      0 20px 44px -8px rgba(0,0,0,0.75),
      0 0 36px rgba(255,209,102,0.45),
      inset 0 1px 0 rgba(255,255,255,0.22);
  }
  .toast-icon{ font-size:1.1rem; }
  .toast-title{ font-size:0.72rem; color:var(--gold-bright); font-weight:600; letter-spacing:0.02em; }
  .toast-sub{ font-size:0.6rem; color:var(--ink-dim); letter-spacing:0.03em; }
  @keyframes toast-in{
    0%{
      opacity:0;
      transform:translateY(-32px) scale(0.8);
      filter:blur(4px);
    }
    60%{
      opacity:1;
      transform:translateY(5px) scale(1.035);
      filter:blur(0);
      box-shadow:0 18px 40px -10px rgba(0,0,0,0.75), 0 0 35px rgba(255,209,102,0.5);
    }
    82%{
      transform:translateY(-2px) scale(0.99);
    }
    100%{
      opacity:1;
      transform:translateY(0) scale(1);
    }
  }
  @keyframes toast-out{
    0%{
      opacity:1;
      transform:translateY(0) scale(1);
    }
    100%{
      opacity:0;
      transform:translateY(-16px) scale(0.92);
      filter:blur(2px);
    }
  }
  .toast[data-life]{ animation-duration:.45s, .35s; }

  /* ================= new: confetti ================= */
  .confetti-piece{
    position:fixed;
    width:7px; height:11px;
    top:0; left:0;
    pointer-events:none;
    z-index:65;
    opacity:0.95;
    will-change:transform, opacity;
  }

  /* ================= new: mastery ring chip on lesson strip header ================= */
  .mastery-stat .session-stat-val{ color:var(--temple-blue); }

  /* ================= new: ambience toggle reuses .toolbar button, active variant ================= */
  #ambienceToggle.on{ background:var(--temple-blue); border-color:var(--temple-blue); color:#04211a; }

  /* ================= new: accessibility — focus states & reduced motion ================= */
  a:focus-visible, button:focus-visible, .key:focus-visible, .layout-pill:focus-visible,
  .layer-pill:focus-visible, .lesson-card:focus-visible, [tabindex]:focus-visible{
    outline:2px solid var(--gold-bright);
    outline-offset:2px;
    box-shadow:0 0 0 4px rgba(255,209,102,0.25);
  }
  /* ================= Centralized Performance & Reduced Motion Engine ================= */
  html.performance-mode *,
  html.performance-mode *::before,
  html.performance-mode *::after,
  html.reduce-motion *,
  html.reduce-motion *::before,
  html.reduce-motion *::after,
  html.reduced-motion *,
  html.reduced-motion *::before,
  html.reduced-motion *::after,
  html.anim-mode-off *,
  html.anim-mode-off *::before,
  html.anim-mode-off *::after {
    animation: none !important;
    animation-duration: 0.001ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }

  /* Ensure all content panels, tiles, progress rows, cards, and modal components remain 100% visible */
  html.performance-mode .stat-tile,
  html.performance-mode .stats-bar-row,
  html.performance-mode .race-record-card,
  html.performance-mode .race-lb-row,
  html.performance-mode .stats-grid,
  html.performance-mode .lesson-card,
  html.performance-mode .lc-card,
  html.performance-mode .profile-card .stat-tile,
  html.anim-mode-off .stat-tile,
  html.anim-mode-off .stats-bar-row,
  html.anim-mode-off .race-record-card,
  html.anim-mode-off .race-lb-row,
  html.anim-mode-off .stats-grid,
  html.anim-mode-off .lesson-card,
  html.anim-mode-off .lc-card,
  html.anim-mode-off .profile-card .stat-tile,
  html.anim-mode-minimal .stat-tile,
  html.anim-mode-minimal .stats-bar-row,
  html.anim-mode-minimal .race-record-card,
  html.anim-mode-minimal .race-lb-row,
  html.anim-mode-minimal .stats-grid,
  html.anim-mode-minimal .lesson-card,
  html.anim-mode-minimal .lc-card,
  html.anim-mode-minimal .profile-card .stat-tile,
  html.reduce-motion .stat-tile,
  html.reduce-motion .stats-bar-row,
  html.reduce-motion .race-record-card,
  html.reduce-motion .race-lb-row,
  html.reduce-motion .stats-grid,
  html.reduce-motion .lesson-card,
  html.reduce-motion .lc-card,
  html.reduce-motion .profile-card .stat-tile {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    visibility: visible !important;
  }

  /* Eliminate heavy continuous GPU blur and text-shadow in performance and minimal mode */
  html.performance-mode *,
  html.anim-mode-off *,
  html.anim-mode-minimal * {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    text-shadow: none !important;
  }

  /* Disable decorative hover lifts, tilts, and transforms across UI */
  html.performance-mode button:hover,
  html.performance-mode button:active,
  html.performance-mode a:hover,
  html.performance-mode .key:hover,
  html.performance-mode .key:active,
  html.performance-mode .site-crest-icon:hover,
  html.performance-mode .lesson-card:hover,
  html.performance-mode .guide-stat-box:hover,
  html.performance-mode .profile-card:hover,
  html.performance-mode .layout-pill:hover,
  html.performance-mode .layer-pill:hover,
  html.performance-mode .gas-btn:hover,
  html.performance-mode .modal-card,
  html.performance-mode .modal-card.is-closing,
  html.performance-mode .modal-backdrop,
  html.performance-mode .modal-backdrop.is-closing,
  html.anim-mode-off button:hover,
  html.anim-mode-off button:active,
  html.anim-mode-off .key:hover,
  html.anim-mode-off .key:active,
  html.anim-mode-off .lesson-card:hover,
  html.anim-mode-minimal button:hover,
  html.anim-mode-minimal button:active,
  html.anim-mode-minimal a:hover,
  html.anim-mode-minimal .key:hover,
  html.anim-mode-minimal .key:active,
  html.anim-mode-minimal .site-crest-icon:hover,
  html.anim-mode-minimal .lesson-card:hover,
  html.anim-mode-minimal .guide-stat-box:hover,
  html.anim-mode-minimal .profile-card:hover,
  html.anim-mode-minimal .layout-pill:hover,
  html.anim-mode-minimal .layer-pill:hover,
  html.anim-mode-minimal .gas-btn:hover {
    transform: none !important;
  }

  /* Solid non-blur modal backdrop in performance mode */
  html.performance-mode .modal-backdrop,
  html.anim-mode-off .modal-backdrop {
    background: rgba(4, 7, 15, 0.88) !important;
  }

  /* Completely remove decorative particles, flame animations, lasers, and overlays */
  html.performance-mode #motes,
  html.performance-mode .motes,
  html.performance-mode .torch,
  html.performance-mode #scanlineOverlay,
  html.performance-mode .scanline-overlay,
  html.performance-mode #fxCanvas,
  html.performance-mode .fx-canvas,
  html.performance-mode .profile-fx-particles,
  html.performance-mode .fx-laser,
  html.performance-mode .banner-sheen,
  html.performance-mode .dev-note-glow,
  html.performance-mode .dev-note-sparkle,
  html.performance-mode .dev-note-scanline,
  html.performance-mode .focus-screen-ripple,
  html.performance-mode .pk-cursor-shockwave,
  html.performance-mode .theme-click-ripple,
  html.performance-mode .streak-flame,
  html.performance-mode .ripple,
  html.performance-mode .ember,
  html.anim-mode-off #motes,
  html.anim-mode-off .motes,
  html.anim-mode-off .torch,
  html.anim-mode-off #scanlineOverlay,
  html.anim-mode-off .scanline-overlay,
  html.anim-mode-off #fxCanvas,
  html.anim-mode-off .fx-canvas,
  html.anim-mode-off .profile-fx-particles,
  html.anim-mode-off .dev-note-glow,
  html.anim-mode-off .dev-note-sparkle,
  html.anim-mode-off .dev-note-scanline,
  html.anim-mode-off .focus-screen-ripple,
  html.anim-mode-off .pk-cursor-shockwave,
  html.anim-mode-off .theme-click-ripple,
  html.anim-mode-off .streak-flame,
  html.anim-mode-minimal #motes,
  html.anim-mode-minimal .motes,
  html.anim-mode-minimal .torch,
  html.anim-mode-minimal #scanlineOverlay,
  html.anim-mode-minimal .scanline-overlay,
  html.anim-mode-minimal #fxCanvas,
  html.anim-mode-minimal .fx-canvas,
  html.anim-mode-minimal .profile-fx-particles,
  html.anim-mode-minimal .fx-laser,
  html.anim-mode-minimal .banner-sheen,
  html.anim-mode-minimal .dev-note-glow,
  html.anim-mode-minimal .dev-note-sparkle,
  html.anim-mode-minimal .dev-note-scanline,
  html.anim-mode-minimal .focus-screen-ripple,
  html.anim-mode-minimal .pk-cursor-shockwave,
  html.anim-mode-minimal .theme-click-ripple,
  html.anim-mode-minimal .streak-flame,
  html.anim-mode-minimal .ripple,
  html.anim-mode-minimal .ember {
    display: none !important;
  }

  /* ================= Minimal Animation Mode — Snappy, Zero-Lag ================= */
  /* Cap transitions to snappy 0.1s linear, no spring bounciness or delays */
  html.anim-mode-minimal * {
    transition-duration: 0.1s !important;
    animation-iteration-count: 1 !important;
  }

  /* Stop all endless background looping keyframes */
  html.anim-mode-minimal .crest,
  html.anim-mode-minimal .site-crest-icon,
  html.anim-mode-minimal .dev-note-seal,
  html.anim-mode-minimal .avatar-halo,
  html.anim-mode-minimal .auth-ring,
  html.anim-mode-minimal .auth-orb,
  html.anim-mode-minimal .tile-live-pulse,
  html.anim-mode-minimal .xp-sheen,
  html.anim-mode-minimal .fx-aura-breathe,
  html.anim-mode-minimal .founder-card,
  html.anim-mode-minimal .fx-dot,
  html.anim-mode-minimal .fx-badge-ring,
  html.anim-mode-minimal .fx-tile-sweep,
  html.anim-mode-minimal .temple-confirm-pulse,
  html.anim-mode-minimal .temple-confirm-icon,
  html.anim-mode-minimal .dev-note-card::before,
  html.anim-mode-minimal .dev-note-title,
  html.anim-mode-minimal .theme-card.active,
  html.anim-mode-minimal .theme-active-breath,
  html.anim-mode-minimal .theme-active-sheen,
  html.anim-mode-minimal .theme-dot-sonar,
  html.anim-mode-minimal [class*="breathe"],
  html.anim-mode-minimal [class*="pulse"],
  html.anim-mode-minimal [class*="drift"],
  html.anim-mode-minimal [class*="shimmer"],
  html.anim-mode-minimal [class*="halo"] {
    animation: none !important;
  }

  /* Fast, clean 0.12s modal display without spring physics */
  html.anim-mode-minimal .modal-card,
  html.anim-mode-minimal .modal-backdrop,
  html.anim-mode-minimal .temple-confirm-card {
    animation-duration: 0.12s !important;
    animation-timing-function: ease-out !important;
    transform: none !important;
  }
  html.large-text{ font-size:18px; }
  html.large-text .subtitle, html.large-text .hint{ font-size:0.92rem; }

  /* ================= new: light theme override — Crisp Ceramic Studio ================= */
  html.theme-light body {
    background:
      radial-gradient(ellipse 70vw 45vh at 20% -5%, rgba(59, 130, 246, 0.08), transparent 60%),
      radial-gradient(ellipse 60vw 40vh at 80% 5%, rgba(245, 158, 11, 0.08), transparent 60%),
      linear-gradient(180deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%) !important;
    color: #0f172a;
  }
  html.theme-light {
    --ink: #0f172a;
    --ink-dim: #475569;
    --stone-1: #ffffff;
    --stone-2: #f1f5f9;
    --stone-3: #e2e8f0;
    --stone-edge: #cbd5e1;
    --gold: #d97706;
    --gold-bright: #b45309;
    --tooltip-bg: #0f172a;
    --tooltip-border: #334155;
    --tooltip-ink: #f8fafc;
    --fx-ink: #0f172a;
    --fx-ink-dim: #475569;
    --fx-glass: rgba(255, 255, 255, 0.88);
    --fx-glass-2: rgba(241, 245, 249, 0.85);
    --fx-border: rgba(15, 23, 42, 0.15);
  }
  html.theme-light .hero-title,
  html.theme-light .hero-title span,
  html.theme-light h2, html.theme-light h3 {
    color: #0f172a;
  }
  html.theme-light .subtitle,
  html.theme-light .hero-desc,
  html.theme-light .founder-tag {
    color: #475569;
  }
  html.theme-light .founder-tag {
    background: #e2e8f0;
    border-color: #cbd5e1;
  }
  
  html.theme-light h1 {
    color: #0f172a;
    border-color: rgba(15, 23, 42, 0.2);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
    text-shadow: none;
  }
  html.theme-sepia h1 {
    color: #2c1b0c;
    border-color: rgba(44, 27, 12, 0.25);
    box-shadow: 0 4px 14px rgba(44, 27, 12, 0.06);
    text-shadow: none;
  }

  /* Chassis: Sleek space-silver aluminum */
  html.theme-light .board-wrap {
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%) !important;
    border: 2px solid #cbd5e1 !important;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12), 0 2px 6px rgba(15, 23, 42, 0.06) !important;
  }
  html.theme-light .board-chassis-bar {
    background: #e2e8f0;
    border-bottom: 1px solid #cbd5e1;
    color: #334155;
  }
  html.theme-light .chassis-action-btn {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #1e293b;
  }
  html.theme-light .chassis-action-btn:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
  }
  /* Keycaps: Double-shot ceramic chalk + Option 2B Soft Finger-Zone Tints */
  html.theme-light .key {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 60%, #f1f5f9 100%) !important;
    color: #0f172a !important;
    border: 1.5px solid #cbd5e1 !important;
    border-bottom: 3.5px solid #94a3b8 !important;
    box-shadow: 0 2px 4px rgba(15, 23, 42, 0.05) !important;
  }
  html.theme-light .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="lp"],
  html.theme-light .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="rp"] {
    background: linear-gradient(180deg, #fff1f2 0%, #ffe4e6 100%) !important;
    border-color: #fda4af !important;
    border-bottom: 3.5px solid #f43f5e !important;
  }
  html.theme-light .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="lr"],
  html.theme-light .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="rr"] {
    background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%) !important;
    border-color: #fcd34d !important;
    border-bottom: 3.5px solid #f59e0b !important;
  }
  html.theme-light .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="lm"],
  html.theme-light .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="rm"] {
    background: linear-gradient(180deg, #ecfdf5 0%, #d1fae5 100%) !important;
    border-color: #6ee7b7 !important;
    border-bottom: 3.5px solid #10b981 !important;
  }
  html.theme-light .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="li"] {
    background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%) !important;
    border-color: #93c5fd !important;
    border-bottom: 3.5px solid #2563eb !important;
  }
  html.theme-light .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="ri"] {
    background: linear-gradient(180deg, #f5f3ff 0%, #ede9fe 100%) !important;
    border-color: #c4b5fd !important;
    border-bottom: 3.5px solid #7c3aed !important;
  }
  html.theme-light .key:hover {
    background: #ffffff !important;
    border-color: var(--gold, #2563eb) !important;
    box-shadow: 0 0 0 2px var(--accent-soft, rgba(59, 130, 246, 0.3)) !important;
  }
  html.theme-light .key.pressed,
  html.theme-light .key:active {
    background: #e2e8f0 !important;
    border-bottom-width: 1px !important;
    transform: translateY(2px) !important;
    box-shadow: none !important;
  }
  html.theme-light .key.lesson-target {
    background: linear-gradient(180deg, #7c3aed 0%, #6d28d9 100%) !important;
    color: #ffffff !important;
    border: 2px solid #4c1d95 !important;
    border-bottom: 4px solid #2e1065 !important;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.25), 0 8px 18px rgba(109, 40, 217, 0.35) !important;
  }
  html.theme-light .key.lesson-target .main,
  html.theme-light .key.lesson-target .sub,
  html.theme-light .key.lesson-target .alt,
  html.theme-light .key.lesson-target .code,
  html.theme-light .key.lesson-target .space-glyph,
  html.theme-light .key.lesson-target .space-label {
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35) !important;
  }
  html.theme-light .key.modifier-target {
    background: linear-gradient(180deg, #0284c7 0%, #0369a1 100%) !important;
    color: #ffffff !important;
    border: 2px solid #075985 !important;
    border-bottom: 4px solid #0c4a6e !important;
  }
  html.theme-light .key.target,
  html.theme-light .key.hint-next {
    background: color-mix(in srgb, var(--gold-bright, #2563eb) 22%, #ffffff) !important;
    border-color: var(--gold, #2563eb) !important;
    color: #0f172a !important;
    box-shadow: 0 0 14px var(--accent-glow, rgba(37, 99, 235, 0.35)) !important;
  }
  html.theme-light .key .shift-badge {
    color: var(--gold, #2563eb) !important;
    background: var(--accent-soft, rgba(37, 99, 235, 0.08));
    border: 1px solid var(--accent-border, rgba(37, 99, 235, 0.22));
    border-radius: 4px;
    padding: 1px 4px;
    font-weight: 600;
  }
  html.theme-light .key.mod {
    background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%) !important;
    color: #334155 !important;
    border-bottom-color: #94a3b8 !important;
  }
  html.theme-light .key.mod.active,
  html.theme-light .key.mod.pressed {
    background: #cbd5e1 !important;
    color: #0f172a !important;
  }
  /* Manuscript & Typing Prompt */
  html.theme-light .manuscript,
  html.theme-light .lesson-char-row,
  html.theme-light .trial-card {
    background: #f8fafc !important;
    border: 1.5px solid #cbd5e1 !important;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.07) !important;
    color: #0f172a !important;
  }
  html.theme-light .lc-char {
    color: #0f172a !important;
    text-shadow: none !important;
  }
  html.theme-light .lc-char.done,
  html.theme-light .lc-char.correct {
    color: #047857 !important;
    background: #ecfdf5 !important;
    border: 1.5px solid #6ee7b7 !important;
    border-bottom: 4px solid #10b981 !important;
    text-shadow: none !important;
  }
  html.theme-light .lc-char.current,
  html.theme-light .lc-char.active {
    color: #ffffff !important;
    background: linear-gradient(180deg, #7c3aed 0%, #6d28d9 100%) !important;
    border: 2px solid #4c1d95 !important;
    border-bottom: 4px solid #2e1065 !important;
    box-shadow: 0 8px 18px rgba(109, 40, 217, 0.35), 0 0 0 3px rgba(124, 58, 237, 0.22) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35) !important;
  }
  html.theme-light .lc-char.shake,
  html.theme-light .lc-char.wrong {
    color: #ffffff !important;
    background: #ef4444 !important;
    border-color: #dc2626 !important;
    text-shadow: none !important;
  }
  /* Cards, Sidebars & Drawers */
  html.theme-light .quick-guide,
  html.theme-light .drawer,
  html.theme-light .hud-panel,
  html.theme-light .card,
  html.theme-light .stat-card,
  html.theme-light .stats-hero-card {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    color: #0f172a !important;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05) !important;
  }
  /* Docks: Quick Guide (Left) & Lessons Navigator (Right) */
  html.theme-light .guide-dock,
  html.theme-light .lesson-strip {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08) !important;
  }
  html.theme-light .guide-dock-header,
  html.theme-light .lesson-strip-header,
  html.theme-light .lesson-strip-search {
    background: #f8fafc !important;
    border-bottom: 1px solid #e2e8f0 !important;
    color: #0f172a !important;
  }
  html.theme-light .lss-input-wrap input {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
  }
  html.theme-light .lss-input-wrap .pk-icon {
    color: #64748b !important;
  }
  html.theme-light .guide-sec-head,
  html.theme-light .gdh-title {
    color: #0f172a !important;
  }
  html.theme-light .gdh-badge {
    background: #e2e8f0 !important;
    color: #334155 !important;
  }
  html.theme-light .guide-section,
  html.theme-light .guide-hand-block,
  html.theme-light .guide-stat-box,
  html.theme-light .guide-rule-item {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    color: #334155 !important;
  }
  html.theme-light .guide-mini-key {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05) !important;
  }
  html.theme-light .guide-mini-key .en-ch {
    color: var(--gold, #2563eb) !important;
  }
  html.theme-light .guide-kbd {
    background: #e2e8f0 !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
  }
  html.theme-light .guide-stat-num {
    color: #0f172a !important;
  }
  html.theme-light .adaptive-sidebar-card {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    color: #0f172a !important;
  }
  html.theme-light .adaptive-btn {
    background: var(--gold-bright, #2563eb) !important;
    color: var(--accent-ink, #ffffff) !important;
  }
  html.theme-light .lesson-level-header {
    background: #f1f5f9 !important;
    color: #1e293b !important;
    border-bottom: 1px solid #e2e8f0 !important;
  }
  html.theme-light .lesson-card {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    color: #0f172a !important;
  }
  html.theme-light .lesson-card:hover {
    background: #f8fafc !important;
    border-color: var(--gold, #cbd5e1) !important;
  }
  html.theme-light .lesson-card-title {
    color: #0f172a !important;
  }
  html.theme-light .lesson-card-sub,
  html.theme-light .lesson-card-meta {
    color: #64748b !important;
  }
  html.theme-light .lesson-card.active,
  html.theme-light .lesson-card.in-progress {
    border-color: var(--gold-bright, #2563eb) !important;
    box-shadow: 0 0 0 1.5px var(--gold-bright, #2563eb) !important;
  }
  /* Layout Strip in Light Mode */
  html.theme-light .layout-strip {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    box-shadow: 0 4px 18px -2px rgba(15, 23, 42, 0.08) !important;
  }
  html.theme-light .layout-strip .layout-pill {
    background: rgba(15, 23, 42, 0.04) !important;
    border: 1px solid rgba(15, 23, 42, 0.08) !important;
    color: #334155 !important;
  }
  html.theme-light .layout-strip .layout-pill:hover {
    background: rgba(15, 23, 42, 0.08) !important;
    border-color: var(--gold, rgba(15, 23, 42, 0.16)) !important;
    color: #0f172a !important;
  }
  html.theme-light .layout-strip .layout-pill.active {
    background: var(--gold-bright, #0f172a) !important;
    color: var(--accent-ink, #ffffff) !important;
    border-color: var(--gold-bright, #0f172a) !important;
    box-shadow: 0 2px 10px var(--accent-glow, rgba(15, 23, 42, 0.25)) !important;
  }
  html.theme-light .toolbar button,
  html.theme-light .top-actions button {
    background: rgba(255, 255, 255, 0.85) !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    color: #1e293b !important;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  }
  html.theme-light .toolbar button:hover,
  html.theme-light .top-actions button:hover {
    background: #f1f5f9 !important;
    border-color: var(--gold, #94a3b8) !important;
  }
  html.theme-light .toolbar button.on,
  html.theme-light .toolbar button.active {
    background: var(--gold-bright, #0f172a) !important;
    color: var(--accent-ink, #ffffff) !important;
    border-color: var(--gold-bright, #0f172a) !important;
  }
  /* Horizon */
  html.theme-light #horizon rect {
    display: none !important;
  }
  html.theme-light #horizon .far {
    fill: #cbd5e1 !important;
    opacity: 0.55;
  }
  html.theme-light #horizon .near {
    fill: #94a3b8 !important;
    opacity: 0.7;
  }

  /* Session Bar in Light Mode */
  html.theme-light .session-bar {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9) !important;
  }
  html.theme-light .session-stat {
    border-right: 1px solid rgba(15, 23, 42, 0.08) !important;
  }
  html.theme-light .session-stat:last-child {
    border-right: none !important;
  }
  html.theme-light .session-stat-val {
    color: #0f172a !important;
  }
  html.theme-light .session-stat-label {
    color: #64748b !important;
  }

  /* Layer Strip Pills in Light Mode */
  html.theme-light .layer-strip {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
  }
  html.theme-light .layer-strip .layer-pill {
    background: rgba(15, 23, 42, 0.04) !important;
    border: 1px solid rgba(15, 23, 42, 0.08) !important;
    color: #334155 !important;
  }
  html.theme-light .layer-strip .layer-pill:hover {
    background: rgba(15, 23, 42, 0.08) !important;
    border-color: var(--gold, rgba(15, 23, 42, 0.16)) !important;
    color: #0f172a !important;
  }
  html.theme-light .layer-strip .layer-pill.active {
    background: var(--gold-bright, #0f172a) !important;
    color: var(--accent-ink, #ffffff) !important;
    border-color: var(--gold-bright, #0f172a) !important;
    box-shadow: 0 2px 10px var(--accent-glow, rgba(15, 23, 42, 0.25)) !important;
  }
  html.theme-light .layer-strip .layer-pill.active.pill-ctrl {
    background: #059669 !important;
    border-color: #059669 !important;
    color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(5, 150, 105, 0.25) !important;
  }
  html.theme-light .layer-strip .layer-pill.active.pill-altgr {
    background: #dc2626 !important;
    border-color: #dc2626 !important;
    color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(220, 38, 38, 0.25) !important;
  }

  /* Shortcuts modal in Light Mode */
  html.theme-light .shortcuts-card {
    background: linear-gradient(180deg, #ffffff, #f8fafc) !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.2) !important;
  }
  html.theme-light .shortcuts-section-title {
    color: #0f172a !important;
    border-bottom-color: #e2e8f0 !important;
  }
  html.theme-light .shortcut-item {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
  }
  html.theme-light .shortcut-item:hover {
    background: #f1f5f9 !important;
    border-color: #cbd5e1 !important;
  }
  html.theme-light .shortcut-label {
    color: #0f172a !important;
  }
  html.theme-light .shortcut-keys kbd {
    background: #e2e8f0 !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08) !important;
  }
  html.theme-light .shortcut-plus {
    color: #64748b !important;
  }

  /* ================= new: temple theme — warm torchlit sandstone, not midnight stone ================= */
  html.theme-temple body{
    background:
      radial-gradient(ellipse 60vw 40vh at 18% -6%, rgba(255,157,46,0.22), transparent 62%),
      radial-gradient(ellipse 50vw 36vh at 88% 8%, rgba(255,59,86,0.12), transparent 60%),
      radial-gradient(ellipse 55vw 40vh at 50% 108%, rgba(45,212,167,0.08), transparent 60%),
      linear-gradient(90deg, rgba(255,209,102,0.05) 1px, transparent 1px) 0 0/42px 42px,
      linear-gradient(180deg, rgba(255,209,102,0.05) 1px, transparent 1px) 0 0/42px 42px,
      linear-gradient(180deg, #1c130a 0%, #241a0f 55%, #1c130a 100%);
  }
  html.theme-temple{
    --stone-1:#241a0f; --stone-2:#2e2113; --stone-3:#3a2a17; --stone-edge:#100b05;
    --ink:#fff1dc; --ink-dim:#c9a876;
    --gold:#d4a046; --gold-bright:#ffd166;
  }
  html.theme-temple .key{
    background:linear-gradient(180deg, var(--stone-3), var(--stone-2));
  }
  html.theme-temple .board-wrap{
    background:linear-gradient(180deg, #2e2113, #1c130a);
    border-color:#4a3620;
  }
  html.theme-temple .manuscript{
    background:radial-gradient(ellipse 120% 140% at 50% 0%, #302012, #1c130a 70%);
    border-color:#4a3620;
  }
  html.theme-temple .layout-strip {
    background: rgba(30, 21, 13, 0.88) !important;
    border: 1px solid var(--accent-border, rgba(255, 209, 102, 0.22)) !important;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.5), 0 2px 10px rgba(0,0,0,0.3) !important;
  }
  html.theme-temple .layout-strip .layout-pill {
    color: #c9a876 !important;
  }
  html.theme-temple .layout-strip .layout-pill:hover {
    color: #fff1dc !important;
  }
  html.theme-temple .layout-strip .layout-pill.active {
    background: var(--gold-bright, #ffd166) !important;
    color: var(--accent-ink, #1a1106) !important;
    border-color: var(--gold-bright, #ffd166) !important;
    box-shadow: 0 2px 12px var(--accent-glow, rgba(255, 209, 102, 0.35)) !important;
  }
  html.theme-temple .layer-strip {
    background: rgba(28, 19, 11, 0.85) !important;
    border: 1px solid var(--accent-border, rgba(255, 209, 102, 0.2)) !important;
  }
  html.theme-temple .layer-strip .layer-pill {
    color: #c9a876 !important;
  }
  html.theme-temple .layer-strip .layer-pill:hover {
    color: #fff1dc !important;
  }
  html.theme-temple .layer-strip .layer-pill.active:not(.pill-ctrl):not(.pill-altgr) {
    background: var(--gold-bright, #ffd166) !important;
    color: var(--accent-ink, #1a1106) !important;
    border-color: var(--gold-bright, #ffd166) !important;
    box-shadow: 0 2px 12px var(--accent-glow, rgba(255, 209, 102, 0.35)) !important;
  }
  html.theme-temple .session-bar {
    background: rgba(30, 21, 13, 0.9) !important;
    border: 1px solid var(--accent-border, rgba(255, 209, 102, 0.22)) !important;
    box-shadow: 0 4px 18px rgba(0,0,0,0.4) !important;
  }
  html.theme-temple .session-stat {
    border-right: 1px solid rgba(255, 209, 102, 0.14) !important;
  }
  html.theme-temple .session-stat-val {
    color: var(--gold-bright, #ffd166) !important;
  }
  html.theme-temple .session-stat-label {
    color: #a88a5d !important;
  }
  html.theme-temple .top-actions button {
    background: rgba(36, 25, 15, 0.8) !important;
    border: 1px solid rgba(255, 209, 102, 0.24) !important;
    color: #c9a876 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  }
  html.theme-temple .top-actions button:hover {
    background: rgba(55, 38, 22, 0.92) !important;
    border-color: var(--gold-bright, #ffd166) !important;
    color: #fff1dc !important;
    box-shadow: 0 4px 14px var(--accent-glow, rgba(255, 209, 102, 0.22)) !important;
  }
  html.theme-temple .toolbar button {
    background: rgba(36, 25, 15, 0.8) !important;
    border: 1px solid rgba(255, 209, 102, 0.24) !important;
    color: #c9a876 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  }
  html.theme-temple .toolbar button:hover {
    background: rgba(55, 38, 22, 0.92) !important;
    border-color: var(--gold-bright, #ffd166) !important;
    color: #fff1dc !important;
    box-shadow: 0 4px 14px var(--accent-glow, rgba(255, 209, 102, 0.22)) !important;
  }
  html.theme-temple .toolbar button.on,
  html.theme-temple .toolbar button.active {
    background: var(--gold-bright, #ffd166) !important;
    border-color: var(--gold-bright, #ffd166) !important;
    color: var(--accent-ink, #1a1106) !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 14px var(--accent-glow, rgba(255, 209, 102, 0.45)) !important;
  }
  html.theme-temple .board-chassis-bar {
    border-bottom: 1px solid rgba(255, 209, 102, 0.2) !important;
  }
  html.theme-temple .chassis-deck-id {
    color: #c9a876 !important;
  }
  html.theme-temple .chassis-led-dot {
    background: var(--gold-bright, #ffd166) !important;
    box-shadow: 0 0 8px var(--gold-bright, #ffd166) !important;
  }
  html.theme-temple .chassis-layout-label {
    color: var(--gold-bright, #ffd166) !important;
  }
  html.theme-temple .chassis-docs-btn,
  html.theme-temple .chassis-3d-btn {
    background: rgba(45, 32, 19, 0.75) !important;
    border: 1px solid rgba(255, 209, 102, 0.24) !important;
    color: #c9a876 !important;
  }
  html.theme-temple .chassis-docs-btn:hover,
  html.theme-temple .chassis-3d-btn:hover {
    background: rgba(65, 46, 28, 0.9) !important;
    border-color: var(--gold-bright, #ffd166) !important;
    color: #fff1dc !important;
    box-shadow: 0 3px 12px var(--accent-glow, rgba(255, 209, 102, 0.25)) !important;
  }
  html.theme-temple .chassis-docs-icon,
  html.theme-temple .chassis-3d-icon {
    color: var(--gold-bright, #ffd166) !important;
  }
  html.theme-temple .modal-card:not(.settings-modal-card) {
    background: linear-gradient(180deg, #241a0f 0%, #150f08 100%) !important;
    border: 1px solid var(--accent-border, rgba(255, 209, 102, 0.3)) !important;
    box-shadow: 0 25px 70px rgba(0,0,0,0.85), 0 0 35px var(--accent-glow, rgba(255, 209, 102, 0.12)) !important;
  }
  html.theme-temple .profile-sidebar {
    background: rgba(30, 21, 13, 0.94) !important;
    border-color: var(--accent-border, rgba(255, 209, 102, 0.28)) !important;
  }

  /* ================= new: moonlight theme — a cool, silvered temple
     courtyard at night, moonlit stone instead of torchlit or midnight ================= */
  html.theme-moonlight body{
    background:
      radial-gradient(ellipse 46vw 40vh at 82% -4%, rgba(210,225,255,0.16), transparent 62%),
      radial-gradient(ellipse 55vw 42vh at 12% 6%, rgba(120,150,255,0.12), transparent 60%),
      radial-gradient(ellipse 60vw 44vh at 50% 110%, rgba(80,220,210,0.07), transparent 62%),
      linear-gradient(180deg, #0b1020 0%, #101a33 55%, #0b1020 100%);
  }
  html.theme-moonlight{
    --stone-1:#131b30; --stone-2:#1a2540; --stone-3:#24325c; --stone-edge:#060a16;
    --ink:#eaf2ff; --ink-dim:#a4b6dd;
    --gold:#7fb8ff; --gold-bright:#bfe0ff;
    --tooltip-bg:#0a1226; --tooltip-border:#bfe0ff; --tooltip-ink:#eaf2ff;
    --ink-on-accent:#081226;
    --fx-cyan:#bfe0ff; --fx-violet:#7fb8ff; --fx-pink:#c9a8ff;
    --fx-glow-cyan:rgba(191,224,255,0.5); --fx-glow-violet:rgba(127,184,255,0.45);
  }
  html.theme-moonlight .key{
    background:linear-gradient(180deg, var(--stone-3), var(--stone-2));
  }
  html.theme-moonlight .board-wrap{
    background:linear-gradient(180deg, #1a2540, #0b1020);
    border-color:#2a3a68;
  }
  html.theme-moonlight .manuscript{
    background:radial-gradient(ellipse 120% 140% at 50% 0%, #16213e, #0f1830 70%);
    border-color:#2a3a68;
  }
  html.theme-moonlight .layout-strip {
    background: rgba(16, 25, 48, 0.88) !important;
    border: 1px solid var(--accent-border, rgba(191, 224, 255, 0.22)) !important;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.5), 0 2px 10px rgba(0,0,0,0.3) !important;
  }
  html.theme-moonlight .layout-strip .layout-pill {
    color: #8da4d4 !important;
  }
  html.theme-moonlight .layout-strip .layout-pill:hover {
    color: #eaf2ff !important;
  }
  html.theme-moonlight .layout-strip .layout-pill.active {
    background: var(--gold-bright, #bfe0ff) !important;
    color: var(--accent-ink, #081020) !important;
    border-color: var(--gold-bright, #bfe0ff) !important;
    box-shadow: 0 2px 12px var(--accent-glow, rgba(191, 224, 255, 0.4)) !important;
  }
  html.theme-moonlight .layer-strip {
    background: rgba(14, 22, 42, 0.85) !important;
    border: 1px solid var(--accent-border, rgba(191, 224, 255, 0.2)) !important;
  }
  html.theme-moonlight .layer-strip .layer-pill {
    color: #8da4d4 !important;
  }
  html.theme-moonlight .layer-strip .layer-pill:hover {
    color: #eaf2ff !important;
  }
  html.theme-moonlight .layer-strip .layer-pill.active:not(.pill-ctrl):not(.pill-altgr) {
    background: var(--gold-bright, #bfe0ff) !important;
    color: var(--accent-ink, #081020) !important;
    border-color: var(--gold-bright, #bfe0ff) !important;
    box-shadow: 0 2px 12px var(--accent-glow, rgba(191, 224, 255, 0.4)) !important;
  }
  html.theme-moonlight .session-bar {
    background: rgba(16, 25, 48, 0.9) !important;
    border: 1px solid var(--accent-border, rgba(191, 224, 255, 0.22)) !important;
    box-shadow: 0 4px 18px rgba(0,0,0,0.4) !important;
  }
  html.theme-moonlight .session-stat {
    border-right: 1px solid rgba(191, 224, 255, 0.14) !important;
  }
  html.theme-moonlight .session-stat-val {
    color: var(--gold-bright, #bfe0ff) !important;
  }
  html.theme-moonlight .session-stat-label {
    color: #8da4d4 !important;
  }
  html.theme-moonlight .top-actions button {
    background: rgba(20, 32, 60, 0.8) !important;
    border: 1px solid rgba(191, 224, 255, 0.24) !important;
    color: #8da4d4 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  }
  html.theme-moonlight .top-actions button:hover {
    background: rgba(30, 48, 88, 0.92) !important;
    border-color: var(--gold-bright, #bfe0ff) !important;
    color: #eaf2ff !important;
    box-shadow: 0 4px 14px var(--accent-glow, rgba(191, 224, 255, 0.25)) !important;
  }
  html.theme-moonlight .toolbar button {
    background: rgba(20, 32, 60, 0.8) !important;
    border: 1px solid rgba(191, 224, 255, 0.24) !important;
    color: #8da4d4 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  }
  html.theme-moonlight .toolbar button:hover {
    background: rgba(30, 48, 88, 0.92) !important;
    border-color: var(--gold-bright, #bfe0ff) !important;
    color: #eaf2ff !important;
    box-shadow: 0 4px 14px var(--accent-glow, rgba(191, 224, 255, 0.25)) !important;
  }
  html.theme-moonlight .toolbar button.on,
  html.theme-moonlight .toolbar button.active {
    background: var(--gold-bright, #bfe0ff) !important;
    border-color: var(--gold-bright, #bfe0ff) !important;
    color: var(--accent-ink, #081020) !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 14px var(--accent-glow, rgba(191, 224, 255, 0.45)) !important;
  }
  html.theme-moonlight .board-chassis-bar {
    border-bottom: 1px solid rgba(191, 224, 255, 0.2) !important;
  }
  html.theme-moonlight .chassis-deck-id {
    color: #8da4d4 !important;
  }
  html.theme-moonlight .chassis-led-dot {
    background: var(--gold-bright, #bfe0ff) !important;
    box-shadow: 0 0 8px var(--gold-bright, #bfe0ff) !important;
  }
  html.theme-moonlight .chassis-layout-label {
    color: var(--gold-bright, #bfe0ff) !important;
  }
  html.theme-moonlight .chassis-docs-btn,
  html.theme-moonlight .chassis-3d-btn {
    background: rgba(22, 34, 64, 0.75) !important;
    border: 1px solid rgba(191, 224, 255, 0.24) !important;
    color: #8da4d4 !important;
  }
  html.theme-moonlight .chassis-docs-btn:hover,
  html.theme-moonlight .chassis-3d-btn:hover {
    background: rgba(32, 50, 92, 0.9) !important;
    border-color: var(--gold-bright, #bfe0ff) !important;
    color: #eaf2ff !important;
    box-shadow: 0 3px 12px var(--accent-glow, rgba(191, 224, 255, 0.25)) !important;
  }
  html.theme-moonlight .chassis-docs-icon,
  html.theme-moonlight .chassis-3d-icon {
    color: var(--gold-bright, #bfe0ff) !important;
  }
  html.theme-moonlight .modal-card:not(.settings-modal-card) {
    background: linear-gradient(180deg, #131b30 0%, #090e1c 100%) !important;
    border: 1px solid var(--accent-border, rgba(191, 224, 255, 0.3)) !important;
    box-shadow: 0 25px 70px rgba(0,0,0,0.85), 0 0 35px var(--accent-glow, rgba(191, 224, 255, 0.12)) !important;
  }
  html.theme-moonlight .profile-sidebar {
    background: rgba(16, 25, 48, 0.94) !important;
    border-color: var(--accent-border, rgba(191, 224, 255, 0.28)) !important;
  }

  /* ================= new: jungle theme — overgrown temple ruins at
     dusk, deep moss and emerald instead of stone or midnight blue ================= */
  html.theme-jungle body{
    background:
      radial-gradient(ellipse 55vw 40vh at 16% -4%, rgba(95,214,148,0.16), transparent 62%),
      radial-gradient(ellipse 50vw 36vh at 88% 10%, rgba(150,220,90,0.10), transparent 60%),
      radial-gradient(ellipse 60vw 44vh at 50% 110%, rgba(20,120,90,0.14), transparent 62%),
      linear-gradient(180deg, #0a140f 0%, #0f1e15 55%, #0a140f 100%);
  }
  html.theme-jungle{
    --stone-1:#0f1e15; --stone-2:#15291c; --stone-3:#1d3826; --stone-edge:#050a07;
    --ink:#eafff0; --ink-dim:#9ecdae;
    --gold:#3eb878; --gold-bright:#5fd694;
    --fx-cyan:#8bf0b3; --fx-violet:#5fd694; --fx-pink:#c9e07f;
    --fx-glow-cyan:rgba(139,240,179,0.5); --fx-glow-violet:rgba(95,214,148,0.45);
  }
  html.theme-jungle .key{
    background:linear-gradient(180deg, var(--stone-3), var(--stone-2));
  }
  html.theme-jungle .board-wrap{
    background:linear-gradient(180deg, #15291c, #0a140f);
    border-color:#25452e;
  }
  html.theme-jungle .manuscript{
    background:radial-gradient(ellipse 120% 140% at 50% 0%, #16291d, #0f1e15 70%);
    border-color:#25452e;
  }
  html.theme-jungle .layout-strip {
    background: rgba(13, 26, 18, 0.88) !important;
    border: 1px solid var(--accent-border, rgba(95, 214, 148, 0.22)) !important;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.5), 0 2px 10px rgba(0,0,0,0.3) !important;
  }
  html.theme-jungle .layout-strip .layout-pill {
    color: #7ab894 !important;
  }
  html.theme-jungle .layout-strip .layout-pill:hover {
    color: #e6f7ee !important;
  }
  html.theme-jungle .layout-strip .layout-pill.active {
    background: var(--gold-bright, #5fd694) !important;
    color: var(--accent-ink, #081a10) !important;
    border-color: var(--gold-bright, #5fd694) !important;
    box-shadow: 0 2px 12px var(--accent-glow, rgba(95, 214, 148, 0.4)) !important;
  }
  html.theme-jungle .layer-strip {
    background: rgba(11, 22, 15, 0.85) !important;
    border: 1px solid var(--accent-border, rgba(95, 214, 148, 0.2)) !important;
  }
  html.theme-jungle .layer-strip .layer-pill {
    color: #7ab894 !important;
  }
  html.theme-jungle .layer-strip .layer-pill:hover {
    color: #e6f7ee !important;
  }
  html.theme-jungle .layer-strip .layer-pill.active:not(.pill-ctrl):not(.pill-altgr) {
    background: var(--gold-bright, #5fd694) !important;
    color: var(--accent-ink, #081a10) !important;
    border-color: var(--gold-bright, #5fd694) !important;
    box-shadow: 0 2px 12px var(--accent-glow, rgba(95, 214, 148, 0.4)) !important;
  }
  html.theme-jungle .session-bar {
    background: rgba(13, 26, 18, 0.9) !important;
    border: 1px solid var(--accent-border, rgba(95, 214, 148, 0.22)) !important;
    box-shadow: 0 4px 18px rgba(0,0,0,0.4) !important;
  }
  html.theme-jungle .session-stat {
    border-right: 1px solid rgba(95, 214, 148, 0.14) !important;
  }
  html.theme-jungle .session-stat-val {
    color: var(--gold-bright, #5fd694) !important;
  }
  html.theme-jungle .session-stat-label {
    color: #7ab894 !important;
  }
  html.theme-jungle .top-actions button {
    background: rgba(18, 38, 28, 0.8) !important;
    border: 1px solid rgba(95, 214, 148, 0.24) !important;
    color: #7ab894 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  }
  html.theme-jungle .top-actions button:hover {
    background: rgba(28, 56, 42, 0.92) !important;
    border-color: var(--gold-bright, #5fd694) !important;
    color: #e6f7ee !important;
    box-shadow: 0 4px 14px var(--accent-glow, rgba(95, 214, 148, 0.25)) !important;
  }
  html.theme-jungle .toolbar button {
    background: rgba(18, 38, 28, 0.8) !important;
    border: 1px solid rgba(95, 214, 148, 0.24) !important;
    color: #7ab894 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  }
  html.theme-jungle .toolbar button:hover {
    background: rgba(28, 56, 42, 0.92) !important;
    border-color: var(--gold-bright, #5fd694) !important;
    color: #e6f7ee !important;
    box-shadow: 0 4px 14px var(--accent-glow, rgba(95, 214, 148, 0.25)) !important;
  }
  html.theme-jungle .toolbar button.on,
  html.theme-jungle .toolbar button.active {
    background: var(--gold-bright, #5fd694) !important;
    border-color: var(--gold-bright, #5fd694) !important;
    color: var(--accent-ink, #081a10) !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 14px var(--accent-glow, rgba(95, 214, 148, 0.45)) !important;
  }
  html.theme-jungle .board-chassis-bar {
    border-bottom: 1px solid rgba(95, 214, 148, 0.2) !important;
  }
  html.theme-jungle .chassis-deck-id {
    color: #7ab894 !important;
  }
  html.theme-jungle .chassis-led-dot {
    background: var(--gold-bright, #5fd694) !important;
    box-shadow: 0 0 8px var(--gold-bright, #5fd694) !important;
  }
  html.theme-jungle .chassis-layout-label {
    color: var(--gold-bright, #5fd694) !important;
  }
  html.theme-jungle .chassis-docs-btn,
  html.theme-jungle .chassis-3d-btn {
    background: rgba(18, 38, 28, 0.75) !important;
    border: 1px solid rgba(95, 214, 148, 0.24) !important;
    color: #7ab894 !important;
  }
  html.theme-jungle .chassis-docs-btn:hover,
  html.theme-jungle .chassis-3d-btn:hover {
    background: rgba(28, 56, 42, 0.9) !important;
    border-color: var(--gold-bright, #5fd694) !important;
    color: #e6f7ee !important;
    box-shadow: 0 3px 12px var(--accent-glow, rgba(95, 214, 148, 0.25)) !important;
  }
  html.theme-jungle .chassis-docs-icon,
  html.theme-jungle .chassis-3d-icon {
    color: var(--gold-bright, #5fd694) !important;
  }
  html.theme-jungle .modal-card:not(.settings-modal-card) {
    background: linear-gradient(180deg, #102017 0%, #070e0a 100%) !important;
    border: 1px solid var(--accent-border, rgba(95, 214, 148, 0.3)) !important;
    box-shadow: 0 25px 70px rgba(0,0,0,0.85), 0 0 35px var(--accent-glow, rgba(95, 214, 148, 0.12)) !important;
  }
  html.theme-jungle .profile-sidebar {
    background: rgba(13, 26, 18, 0.94) !important;
    border-color: var(--accent-border, rgba(95, 214, 148, 0.28)) !important;
  }

  /* ================= new: sunset theme — dusk sky burning over the
     temple silhouette, warm ember oranges fading into deep plum ================= */
  html.theme-sunset body{
    background:
      radial-gradient(ellipse 60vw 42vh at 20% -6%, rgba(255,138,76,0.24), transparent 62%),
      radial-gradient(ellipse 52vw 38vh at 86% 4%, rgba(255,90,112,0.16), transparent 60%),
      radial-gradient(ellipse 58vw 42vh at 50% 112%, rgba(120,60,140,0.18), transparent 62%),
      linear-gradient(180deg, #1c0e14 0%, #2a1420 55%, #1c0e14 100%);
  }
  html.theme-sunset{
    --stone-1:#241019; --stone-2:#301622; --stone-3:#3e1c2c; --stone-edge:#0f070b;
    --ink:#fff0e6; --ink-dim:#e0a8a0;
    --gold:#ff7033; --gold-bright:#ff8a4c;
    --fx-cyan:#ffb877; --fx-violet:#ff8a4c; --fx-pink:#ff5a70;
    --fx-glow-cyan:rgba(255,184,119,0.5); --fx-glow-violet:rgba(255,138,76,0.45);
  }
  html.theme-sunset .key{
    background:linear-gradient(180deg, var(--stone-3), var(--stone-2));
  }
  html.theme-sunset .board-wrap{
    background:linear-gradient(180deg, #301622, #1c0e14);
    border-color:#4a2436;
  }
  html.theme-sunset .manuscript{
    background:radial-gradient(ellipse 120% 140% at 50% 0%, #321a26, #24101a 70%);
    border-color:#4a2436;
  }
  html.theme-sunset .layout-strip {
    background: rgba(34, 15, 26, 0.88) !important;
    border: 1px solid var(--accent-border, rgba(255, 138, 76, 0.22)) !important;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.5), 0 2px 10px rgba(0,0,0,0.3) !important;
  }
  html.theme-sunset .layout-strip .layout-pill {
    color: #c98e9a !important;
  }
  html.theme-sunset .layout-strip .layout-pill:hover {
    color: #fff0e6 !important;
  }
  html.theme-sunset .layout-strip .layout-pill.active {
    background: var(--gold-bright, #ff8a4c) !important;
    color: var(--accent-ink, #1c0a12) !important;
    border-color: var(--gold-bright, #ff8a4c) !important;
    box-shadow: 0 2px 12px var(--accent-glow, rgba(255, 138, 76, 0.4)) !important;
  }
  html.theme-sunset .layer-strip {
    background: rgba(28, 12, 22, 0.85) !important;
    border: 1px solid var(--accent-border, rgba(255, 138, 76, 0.2)) !important;
  }
  html.theme-sunset .layer-strip .layer-pill {
    color: #c98e9a !important;
  }
  html.theme-sunset .layer-strip .layer-pill:hover {
    color: #fff0e6 !important;
  }
  html.theme-sunset .layer-strip .layer-pill.active:not(.pill-ctrl):not(.pill-altgr) {
    background: var(--gold-bright, #ff8a4c) !important;
    color: var(--accent-ink, #1c0a12) !important;
    border-color: var(--gold-bright, #ff8a4c) !important;
    box-shadow: 0 2px 12px var(--accent-glow, rgba(255, 138, 76, 0.4)) !important;
  }
  html.theme-sunset .session-bar {
    background: rgba(34, 15, 26, 0.9) !important;
    border: 1px solid var(--accent-border, rgba(255, 138, 76, 0.22)) !important;
    box-shadow: 0 4px 18px rgba(0,0,0,0.4) !important;
  }
  html.theme-sunset .session-stat {
    border-right: 1px solid rgba(255, 138, 76, 0.14) !important;
  }
  html.theme-sunset .session-stat-val {
    color: var(--gold-bright, #ff8a4c) !important;
  }
  html.theme-sunset .session-stat-label {
    color: #b57a8a !important;
  }
  html.theme-sunset .top-actions button {
    background: rgba(42, 18, 32, 0.8) !important;
    border: 1px solid rgba(255, 138, 76, 0.24) !important;
    color: #c98e9a !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  }
  html.theme-sunset .top-actions button:hover {
    background: rgba(64, 28, 48, 0.92) !important;
    border-color: var(--gold-bright, #ff8a4c) !important;
    color: #fff0e6 !important;
    box-shadow: 0 4px 14px var(--accent-glow, rgba(255, 138, 76, 0.25)) !important;
  }
  html.theme-sunset .toolbar button {
    background: rgba(42, 18, 32, 0.8) !important;
    border: 1px solid rgba(255, 138, 76, 0.24) !important;
    color: #c98e9a !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  }
  html.theme-sunset .toolbar button:hover {
    background: rgba(64, 28, 48, 0.92) !important;
    border-color: var(--gold-bright, #ff8a4c) !important;
    color: #fff0e6 !important;
    box-shadow: 0 4px 14px var(--accent-glow, rgba(255, 138, 76, 0.25)) !important;
  }
  html.theme-sunset .toolbar button.on,
  html.theme-sunset .toolbar button.active {
    background: var(--gold-bright, #ff8a4c) !important;
    border-color: var(--gold-bright, #ff8a4c) !important;
    color: var(--accent-ink, #1c0a12) !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 14px var(--accent-glow, rgba(255, 138, 76, 0.45)) !important;
  }
  html.theme-sunset .board-chassis-bar {
    border-bottom: 1px solid rgba(255, 138, 76, 0.2) !important;
  }
  html.theme-sunset .chassis-deck-id {
    color: #c98e9a !important;
  }
  html.theme-sunset .chassis-led-dot {
    background: var(--gold-bright, #ff8a4c) !important;
    box-shadow: 0 0 8px var(--gold-bright, #ff8a4c) !important;
  }
  html.theme-sunset .chassis-layout-label {
    color: var(--gold-bright, #ff8a4c) !important;
  }
  html.theme-sunset .chassis-docs-btn,
  html.theme-sunset .chassis-3d-btn {
    background: rgba(48, 20, 36, 0.75) !important;
    border: 1px solid rgba(255, 138, 76, 0.24) !important;
    color: #c98e9a !important;
  }
  html.theme-sunset .chassis-docs-btn:hover,
  html.theme-sunset .chassis-3d-btn:hover {
    background: rgba(72, 32, 54, 0.9) !important;
    border-color: var(--gold-bright, #ff8a4c) !important;
    color: #fff0e6 !important;
    box-shadow: 0 3px 12px var(--accent-glow, rgba(255, 138, 76, 0.25)) !important;
  }
  html.theme-sunset .chassis-docs-icon,
  html.theme-sunset .chassis-3d-icon {
    color: var(--gold-bright, #ff8a4c) !important;
  }
  html.theme-sunset .modal-card:not(.settings-modal-card) {
    background: linear-gradient(180deg, #2a1320 0%, #14070e 100%) !important;
    border: 1px solid var(--accent-border, rgba(255, 138, 76, 0.3)) !important;
    box-shadow: 0 25px 70px rgba(0,0,0,0.85), 0 0 35px var(--accent-glow, rgba(255, 138, 76, 0.12)) !important;
  }
  html.theme-sunset .profile-sidebar {
    background: rgba(34, 15, 26, 0.94) !important;
    border-color: var(--accent-border, rgba(255, 138, 76, 0.28)) !important;
  }

  /* ================= new: sepia theme override — Warm Parchment & Teakwood Library ================= */
  html.theme-sepia body {
    background:
      radial-gradient(ellipse 70vw 45vh at 20% -5%, rgba(180, 83, 9, 0.10), transparent 60%),
      radial-gradient(ellipse 60vw 40vh at 80% 5%, rgba(194, 65, 12, 0.08), transparent 60%),
      linear-gradient(180deg, #ede3cf 0%, #e2d2b5 50%, #ede3cf 100%) !important;
    color: #2c1b0c;
  }
  html.theme-sepia {
    --ink: #2c1b0c;
    --ink-dim: #6b4f2c;
    --stone-1: #faf5ec;
    --stone-2: #f0e6d2;
    --stone-3: #e7dac1;
    --stone-edge: #ccbc9e;
    --gold: #b45309;
    --gold-bright: #92400e;
    --tooltip-bg: #2c1b0c;
    --tooltip-border: #6b4f2c;
    --tooltip-ink: #faf5ec;
    --ink-on-accent: #ffffff;
    --fx-ink: #2c1b0c;
    --fx-ink-dim: #6b4f2c;
    --fx-glass: rgba(250, 245, 236, 0.88);
    --fx-glass-2: rgba(240, 230, 210, 0.85);
    --fx-border: rgba(44, 27, 12, 0.15);
  }
  html.theme-sepia .hero-title,
  html.theme-sepia .hero-title span,
  html.theme-sepia h1, html.theme-sepia h2, html.theme-sepia h3 {
    color: #2c1b0c;
  }
  html.theme-sepia .subtitle,
  html.theme-sepia .hero-desc,
  html.theme-sepia .founder-tag {
    color: #6b4f2c;
  }
  html.theme-sepia .founder-tag {
    background: #e4d5bc;
    border-color: #ccbc9e;
  }
  /* Chassis: Antique Deep Teakwood */
  html.theme-sepia .board-wrap {
    background: linear-gradient(180deg, #4a3421 0%, #362414 100%) !important;
    border: 2px solid #825f38 !important;
    box-shadow: 0 16px 42px rgba(44, 27, 12, 0.25), 0 2px 8px rgba(44, 27, 12, 0.12) !important;
  }
  html.theme-sepia .board-chassis-bar {
    background: #362414;
    border-bottom: 1px solid #5e4327;
    color: #d8c3a5;
  }
  html.theme-sepia .chassis-action-btn {
    background: #4a3421;
    border-color: #705030;
    color: #f7ebd7;
  }
  html.theme-sepia .chassis-action-btn:hover {
    background: #5c4129;
    border-color: #a0784a;
  }
  /* Keycaps: Antique Boxwood / Ivory + Option 2B Soft Finger-Zone Tints */
  html.theme-sepia .key {
    background: linear-gradient(180deg, #faf5ec 0%, #f0e6d2 65%, #e7dac1 100%) !important;
    color: #2c1b0c !important;
    border: 1.5px solid #ccbc9e !important;
    border-bottom: 3.5px solid #aa9674 !important;
    box-shadow: 0 2px 4px rgba(44, 27, 12, 0.08) !important;
  }
  html.theme-sepia .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="lp"],
  html.theme-sepia .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="rp"] {
    background: linear-gradient(180deg, #fff1f2 0%, #ffe4e6 100%) !important;
    border-color: #fda4af !important;
    border-bottom: 3.5px solid #f43f5e !important;
  }
  html.theme-sepia .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="lr"],
  html.theme-sepia .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="rr"] {
    background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%) !important;
    border-color: #fcd34d !important;
    border-bottom: 3.5px solid #f59e0b !important;
  }
  html.theme-sepia .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="lm"],
  html.theme-sepia .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="rm"] {
    background: linear-gradient(180deg, #ecfdf5 0%, #d1fae5 100%) !important;
    border-color: #6ee7b7 !important;
    border-bottom: 3.5px solid #10b981 !important;
  }
  html.theme-sepia .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="li"] {
    background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%) !important;
    border-color: #93c5fd !important;
    border-bottom: 3.5px solid #2563eb !important;
  }
  html.theme-sepia .key:not(.mod):not(.lesson-target):not(.correct):not(.wrong)[data-finger="ri"] {
    background: linear-gradient(180deg, #f5f3ff 0%, #ede9fe 100%) !important;
    border-color: #c4b5fd !important;
    border-bottom: 3.5px solid #7c3aed !important;
  }
  html.theme-sepia .key:hover {
    background: #fffcf6 !important;
    border-color: var(--gold, #b45309) !important;
    box-shadow: 0 0 0 2px var(--accent-soft, rgba(180, 83, 9, 0.35)) !important;
  }
  html.theme-sepia .key.pressed,
  html.theme-sepia .key:active {
    background: #ded0b6 !important;
    border-bottom-width: 1px !important;
    transform: translateY(2px) !important;
    box-shadow: none !important;
  }
  html.theme-sepia .key.lesson-target {
    background: linear-gradient(180deg, #7c3aed 0%, #6d28d9 100%) !important;
    color: #ffffff !important;
    border: 2px solid #4c1d95 !important;
    border-bottom: 4px solid #2e1065 !important;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.25), 0 8px 18px rgba(109, 40, 217, 0.35) !important;
  }
  html.theme-sepia .key.lesson-target .main,
  html.theme-sepia .key.lesson-target .sub,
  html.theme-sepia .key.lesson-target .alt,
  html.theme-sepia .key.lesson-target .code,
  html.theme-sepia .key.lesson-target .space-glyph,
  html.theme-sepia .key.lesson-target .space-label {
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35) !important;
  }
  html.theme-sepia .key.modifier-target {
    background: linear-gradient(180deg, #0284c7 0%, #0369a1 100%) !important;
    color: #ffffff !important;
    border: 2px solid #075985 !important;
    border-bottom: 4px solid #0c4a6e !important;
  }
  html.theme-sepia .key.target,
  html.theme-sepia .key.hint-next {
    background: color-mix(in srgb, var(--gold-bright, #b45309) 24%, #faf5ec) !important;
    border-color: var(--gold, #b45309) !important;
    color: #2c1b0c !important;
    box-shadow: 0 0 14px var(--accent-glow, rgba(180, 83, 9, 0.4)) !important;
  }
  html.theme-sepia .key .shift-badge {
    color: var(--gold, #92400e) !important;
    background: var(--accent-soft, rgba(180, 83, 9, 0.10));
    border: 1px solid var(--accent-border, rgba(180, 83, 9, 0.25));
    border-radius: 4px;
    padding: 1px 4px;
    font-weight: 600;
  }
  html.theme-sepia .key.mod {
    background: linear-gradient(180deg, #ede3ce 0%, #dfd1b8 100%) !important;
    color: #4a3421 !important;
    border-bottom-color: #a08c6b !important;
  }
  html.theme-sepia .key.mod.active,
  html.theme-sepia .key.mod.pressed {
    background: #ccbc9e !important;
    color: #2c1b0c !important;
  }
  /* Manuscript & Typing Prompt */
  html.theme-sepia .manuscript,
  html.theme-sepia .lesson-char-row,
  html.theme-sepia .trial-card {
    background: linear-gradient(180deg, #fbf7ee 0%, #f4ebd9 100%) !important;
    border: 1.5px solid #ccbc9e !important;
    box-shadow: 0 8px 24px rgba(44, 27, 12, 0.09) !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .lc-char {
    color: #2c1b0c !important;
    text-shadow: none !important;
  }
  html.theme-sepia .lc-char.done,
  html.theme-sepia .lc-char.correct {
    color: #15803d !important;
    background: #dcfce7 !important;
    border: 1.5px solid #4ade80 !important;
    border-bottom: 4px solid #16a34a !important;
    text-shadow: none !important;
  }
  html.theme-sepia .lc-char.current,
  html.theme-sepia .lc-char.active {
    color: #ffffff !important;
    background: linear-gradient(180deg, #7c3aed 0%, #6d28d9 100%) !important;
    border: 2px solid #4c1d95 !important;
    border-bottom: 4px solid #2e1065 !important;
    box-shadow: 0 8px 18px rgba(109, 40, 217, 0.35), 0 0 0 3px rgba(124, 58, 237, 0.22) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35) !important;
  }
  html.theme-sepia .lc-char.shake,
  html.theme-sepia .lc-char.wrong {
    color: #ffffff !important;
    background: #dc2626 !important;
    border-color: #b91c1c !important;
    text-shadow: none !important;
  }
  /* Cards, Sidebars & Drawers */
  html.theme-sepia .quick-guide,
  html.theme-sepia .drawer,
  html.theme-sepia .hud-panel,
  html.theme-sepia .card,
  html.theme-sepia .stat-card,
  html.theme-sepia .stats-hero-card {
    background: #fbf6ec !important;
    border: 1px solid #d9cca8 !important;
    color: #2c1b0c !important;
    box-shadow: 0 4px 16px rgba(44, 27, 12, 0.06) !important;
  }
  /* Docks: Quick Guide (Left) & Lessons Navigator (Right) */
  html.theme-sepia .guide-dock,
  html.theme-sepia .lesson-strip {
    background: #faf4e8 !important;
    border: 1px solid #d4c3a3 !important;
    color: #2c1b0c !important;
    box-shadow: 0 10px 32px rgba(44, 27, 12, 0.12) !important;
  }
  html.theme-sepia .guide-dock-header,
  html.theme-sepia .lesson-strip-header,
  html.theme-sepia .lesson-strip-search {
    background: #f2e6d0 !important;
    border-bottom: 1px solid #ddcca8 !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .lss-input-wrap input {
    background: #faf4e8 !important;
    border: 1px solid #ccbc9e !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .lss-input-wrap .pk-icon {
    color: #8c6b45 !important;
  }
  html.theme-sepia .guide-sec-head,
  html.theme-sepia .gdh-title {
    color: #2c1b0c !important;
  }
  html.theme-sepia .gdh-badge {
    background: #e6d7bf !important;
    color: #5c4125 !important;
  }
  html.theme-sepia .guide-section,
  html.theme-sepia .guide-hand-block,
  html.theme-sepia .guide-stat-box,
  html.theme-sepia .guide-rule-item {
    background: #f4e9d5 !important;
    border: 1px solid #ddcca8 !important;
    color: #5c4125 !important;
  }
  html.theme-sepia .guide-mini-key {
    background: #faf4e8 !important;
    border: 1px solid #ccbc9e !important;
    color: #2c1b0c !important;
    box-shadow: 0 1px 2px rgba(44, 27, 12, 0.08) !important;
  }
  html.theme-sepia .guide-mini-key .en-ch {
    color: var(--gold, #b45309) !important;
  }
  html.theme-sepia .guide-kbd {
    background: #e6d7bf !important;
    border: 1px solid #ccbc9e !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .guide-stat-num {
    color: #2c1b0c !important;
  }
  html.theme-sepia .adaptive-sidebar-card {
    background: #f4e9d5 !important;
    border: 1px solid #ddcca8 !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .adaptive-btn {
    background: var(--gold-bright, #b45309) !important;
    color: var(--accent-ink, #ffffff) !important;
  }
  html.theme-sepia .lesson-level-header {
    background: #ede0c8 !important;
    color: #3b2814 !important;
    border-bottom: 1px solid #ddcca8 !important;
  }
  html.theme-sepia .lesson-card {
    background: #faf4e8 !important;
    border: 1px solid #ddcca8 !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .lesson-card:hover {
    background: #f5ead6 !important;
    border-color: var(--gold, #b45309) !important;
  }
  html.theme-sepia .lesson-card-title {
    color: #2c1b0c !important;
  }
  html.theme-sepia .lesson-card-sub,
  html.theme-sepia .lesson-card-meta {
    color: #7a5c34 !important;
  }
  html.theme-sepia .lesson-card.active,
  html.theme-sepia .lesson-card.in-progress {
    border-color: var(--gold-bright, #b45309) !important;
    box-shadow: 0 0 0 1.5px var(--gold-bright, #b45309) !important;
  }
  html.theme-sepia .layout-strip .layout-pill {
    background: #faf4e8 !important;
    border: 1px solid #ccbc9e !important;
    color: #4a3421 !important;
  }
  html.theme-sepia .layout-strip .layout-pill.active {
    background: var(--gold-bright, #362414) !important;
    color: var(--accent-ink, #f7ebd7) !important;
    border-color: var(--gold-bright, #362414) !important;
    box-shadow: 0 2px 10px var(--accent-glow, rgba(44, 27, 12, 0.25)) !important;
  }
  html.theme-sepia .toolbar button,
  html.theme-sepia .top-actions button {
    background: #faf4e8 !important;
    border: 1px solid #ccbc9e !important;
    color: #2c1b0c !important;
    box-shadow: 0 1px 3px rgba(44, 27, 12, 0.08);
  }
  html.theme-sepia .toolbar button:hover,
  html.theme-sepia .top-actions button:hover {
    background: #f0e4cf !important;
    border-color: var(--gold, #a08c6b) !important;
  }
  html.theme-sepia .toolbar button.on,
  html.theme-sepia .toolbar button.active {
    background: var(--gold-bright, #362414) !important;
    color: var(--accent-ink, #f7ebd7) !important;
    border-color: var(--gold-bright, #362414) !important;
  }
  /* Horizon */
  html.theme-sepia #horizon rect {
    display: none !important;
  }
  html.theme-sepia #horizon .far {
    fill: #ccbc9e !important;
    opacity: 0.55;
  }
  html.theme-sepia #horizon .near {
    fill: #a08c6b !important;
    opacity: 0.7;
  }

  
  /* Session Bar in Sepia Mode */
  html.theme-sepia .session-bar {
    background: #faf5ec !important;
    border: 1px solid #ccbc9e !important;
    box-shadow: 0 2px 10px rgba(44, 27, 12, 0.05) !important;
  }
  html.theme-sepia .session-stat {
    border-right: 1px solid #e7dac1 !important;
  }
  html.theme-sepia .session-stat:last-child {
    border-right: none !important;
  }
  html.theme-sepia .session-stat-val {
    color: #2c1b0c !important;
  }
  html.theme-sepia .session-stat-label {
    color: #7c5e3f !important;
  }

  /* Layer Strip Pills in Sepia Mode */
  html.theme-sepia .layer-strip .layer-pill {
    background: #faf5ec !important;
    border: 1px solid #ccbc9e !important;
    color: #4a3421 !important;
  }
  html.theme-sepia .layer-strip .layer-pill:hover {
    background: #f0e6d2 !important;
    border-color: var(--gold, #bfa886) !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .layer-strip .layer-pill.active:not(.pill-ctrl):not(.pill-altgr) {
    background: var(--gold-bright, #2c1b0c) !important;
    color: var(--accent-ink, #faf5ec) !important;
    border-color: var(--gold-bright, #2c1b0c) !important;
    box-shadow: 0 2px 10px var(--accent-glow, rgba(44, 27, 12, 0.25)) !important;
  }
  html.theme-sepia .layer-strip .layer-pill.active.pill-ctrl {
    background: #1b6e53 !important;
    border-color: #1b6e53 !important;
    color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(27, 110, 83, 0.25) !important;
  }
  html.theme-sepia .layer-strip .layer-pill.active.pill-altgr {
    background: #b91c1c !important;
    border-color: #b91c1c !important;
    color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(185, 28, 28, 0.25) !important;
  }

  /* Shortcuts modal in Sepia Mode */
  html.theme-sepia .shortcuts-card {
    background: linear-gradient(180deg, #faf5ec, #f4ede1) !important;
    border: 1px solid #ccbc9e !important;
    box-shadow: 0 25px 60px -15px rgba(44, 27, 12, 0.2) !important;
  }
  html.theme-sepia .shortcuts-section-title {
    color: #2c1b0c !important;
    border-bottom-color: #d9c8aa !important;
  }
  html.theme-sepia .shortcut-item {
    background: #f4ede1 !important;
    border: 1px solid #e2d2b5 !important;
  }
  html.theme-sepia .shortcut-item:hover {
    background: #ede3d1 !important;
    border-color: #ccbc9e !important;
  }
  html.theme-sepia .shortcut-label {
    color: #2c1b0c !important;
  }
  html.theme-sepia .shortcut-keys kbd {
    background: #e7dac1 !important;
    border: 1px solid #ccbc9e !important;
    color: #2c1b0c !important;
    box-shadow: 0 1px 2px rgba(44, 27, 12, 0.08) !important;
  }
  html.theme-sepia .shortcut-plus {
    color: #7c5e3f !important;
  }

  /* ================= new: top nav / modular studio command bar ================= */
  .top-actions{
    position:absolute; top:14px; right:20px; z-index:40;
    display:flex; align-items:center; gap:6px; flex-wrap:nowrap;
    padding:4px 6px;
    border-radius:12px;
    background:rgba(10, 14, 26, 0.72);
    border:1px solid rgba(255, 255, 255, 0.09);
    box-shadow:0 14px 34px -8px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.12);
    backdrop-filter:blur(20px) saturate(160%);
    -webkit-backdrop-filter:blur(20px) saturate(160%);
    transform:none !important;
  }
  .top-actions-group{
    display:inline-flex;
    align-items:center;
    gap:4px;
    flex-shrink:0;
  }
  .top-actions-divider{
    width:1px;
    height:18px;
    background:rgba(255, 255, 255, 0.1);
    margin:0 2px;
    flex-shrink:0;
    border-radius:1px;
  }
  .top-actions button{
    font-family:'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size:0.74rem;
    font-weight:600;
    letter-spacing:0.015em;
    text-transform:none;
    background:rgba(255, 255, 255, 0.035);
    border:1px solid rgba(255, 255, 255, 0.08);
    color:var(--ink-dim, #cbd5e1);
    padding:0 10px;
    min-height:32px;
    height:32px;
    border-radius:8px;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    white-space:nowrap;
    box-shadow:0 1px 3px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition:background .18s ease, border-color .18s ease, box-shadow .18s ease, color .18s ease, transform .15s ease;
    transform:none !important;
  }
  .top-actions button[hidden],
  .top-actions .auth-account-chip[hidden],
  .top-actions #installAppBtn{
    display:none !important;
  }
  .top-actions button .pk-icon{
    width:14px; height:14px;
    color:var(--gold-bright, #ffd166);
    flex-shrink:0;
    filter:drop-shadow(0 0 5px rgba(255, 209, 102, 0.25));
    transition:color .18s ease, filter .18s ease;
    transform:none !important;
  }
  .top-actions button:hover{
    color:#ffffff;
    border-color:rgba(255, 209, 102, 0.45);
    background:linear-gradient(180deg, rgba(255, 209, 102, 0.14), rgba(255, 255, 255, 0.05));
    box-shadow:0 4px 12px rgba(0, 0, 0, 0.35), 0 0 12px rgba(255, 209, 102, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.18);
    transform:none !important;
  }
  .top-actions button:hover .pk-icon{
    transform:none !important;
    color:#ffe8a3;
    filter:drop-shadow(0 0 8px rgba(255, 209, 102, 0.55));
  }
  .top-actions button:active{
    transform:none !important;
    box-shadow:0 1px 3px rgba(0, 0, 0, 0.5), 0 0 8px rgba(255, 209, 102, 0.25);
    background:rgba(255, 209, 102, 0.2);
  }
  .top-actions .guide-toggle-btn.active,
  .top-actions .focus-mode-btn.active{
    border-color:rgba(255, 209, 102, 0.65);
    color:var(--gold-bright, #ffd166);
    background:linear-gradient(180deg, rgba(255, 209, 102, 0.2), rgba(10, 14, 26, 0.65));
    box-shadow:0 3px 12px rgba(0, 0, 0, 0.35), 0 0 14px rgba(255, 209, 102, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform:none !important;
  }
  .top-actions .guide-toggle-btn.active .pk-icon,
  .top-actions .focus-mode-btn.active .pk-icon{
    transform:none !important;
    color:var(--gold-bright, #ffd166);
    filter:drop-shadow(0 0 8px rgba(255, 209, 102, 0.6));
  }
  .top-actions .lang-toggle-btn{
    min-width: unset !important;
    height: 32px;
    min-height: 32px;
    padding: 0 8px;
    border-radius: 8px;
    gap: 6px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }
  .top-actions .lang-toggle-btn:hover{
    border-color: rgba(255, 209, 102, 0.55);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4), 0 0 14px rgba(255, 209, 102, 0.22);
    background: rgba(255, 209, 102, 0.09);
  }
  .top-actions .lang-toggle-btn.active{
    border-color: rgba(255, 209, 102, 0.7);
    color: var(--gold-bright, #ffd166);
    background: linear-gradient(180deg, rgba(255, 209, 102, 0.18), rgba(6, 9, 18, 0.65));
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.4), 0 0 14px rgba(255, 209, 102, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: none !important;
  }
  .top-actions .lang-toggle-btn.active .pk-icon{
    transform: none !important;
    color: var(--gold-bright, #ffd166);
  }
  .top-lang-text-accessible{
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .lang-switch-capsule{
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: rgba(6, 9, 18, 0.6);
    border: 1px solid rgba(255, 209, 102, 0.25);
    border-radius: 5px;
    padding: 2px 4px;
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    user-select: none;
    line-height: 1;
    transition: border-color 0.24s ease, box-shadow 0.24s ease;
  }
  html:not(.site-km-mode) .lang-switch-capsule{
    border-color: rgba(56, 189, 248, 0.3);
  }
  .lang-capsule-tag{
    padding: 2px 5px;
    border-radius: 3px;
    color: #94a3b8;
    transition: all 0.2s cubic-bezier(0.2, 0.9, 0.3, 1);
  }
  .lang-capsule-tag.en.active{
    color: #070a12;
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    font-weight: 800;
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
  }
  .lang-capsule-tag.km.active{
    color: #070a12;
    background: linear-gradient(135deg, #ffd166, #ffb703);
    font-weight: 800;
    box-shadow: 0 0 8px rgba(255, 209, 102, 0.6);
  }
  .lang-capsule-arrow{
    color: #ffd166;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.32s cubic-bezier(0.2, 0.9, 0.3, 1.2), color 0.24s ease;
  }
  html:not(.site-km-mode) .lang-capsule-arrow{
    color: #38bdf8;
  }
  html.site-km-mode .lang-capsule-arrow{
    transform: rotate(180deg);
  }
  .top-lang-kbd{
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(8, 12, 22, 0.88);
    border: 1px solid rgba(255, 209, 102, 0.45);
    color: #ffd166;
    margin-left: 2px;
    line-height: 1.25;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
  }
  .top-actions .auth-account-chip{
    min-height: 32px !important;
    height: 32px !important;
    padding: 2px 10px 2px 4px !important;
    border-radius: 8px !important;
    font-size: 0.72rem !important;
    letter-spacing: 0.03em !important;
  }
  .top-actions .auth-chip-avatar{
    width: 22px !important;
    height: 22px !important;
    font-size: 0.65rem !important;
  }
  #topLangToggleBtn::after{
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    pointer-events: none;
    transition: left 0.5s ease;
  }
  #topLangToggleBtn:hover::after{
    left: 140%;
  }
  .lang-switch-flare {
    animation: pkLangBtnFlare 0.38s cubic-bezier(0.2, 0.9, 0.3, 1);
  }
  @keyframes pkLangBtnFlare {
    0% { transform: scale(1); filter: brightness(1); }
    40% { transform: scale(1.05); filter: brightness(1.35); box-shadow: 0 0 24px rgba(255, 209, 102, 0.6); }
    100% { transform: scale(1); filter: brightness(1); }
  }
  html.theme-light .top-actions {
    background: rgba(255, 255, 255, 0.88) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.9) !important;
  }
  html.theme-light .top-actions-divider {
    background: rgba(0, 0, 0, 0.12) !important;
  }
  html.theme-sepia .top-actions {
    background: rgba(247, 240, 227, 0.92) !important;
    border: 1px solid rgba(138, 107, 74, 0.22) !important;
    box-shadow: 0 10px 25px -5px rgba(76, 52, 28, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.6) !important;
  }
  html.theme-sepia .top-actions-divider {
    background: rgba(76, 52, 28, 0.16) !important;
  }

  /* ================= Super Cool Dynamic Island Language HUD ================= */
  .pk-lang-hud {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-26px) scale(0.92);
    opacity: 0;
    pointer-events: none;
    z-index: 999999;
    transition: transform 0.36s cubic-bezier(0.18, 0.9, 0.28, 1.25),
                opacity 0.22s ease-out;
  }
  .pk-lang-hud.show {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1;
  }
  .pk-lang-hud-inner {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 7px 18px 7px 12px;
    background: rgba(8, 12, 24, 0.92);
    border: 1px solid rgba(255, 209, 102, 0.45);
    border-radius: 999px;
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.8),
                0 0 32px rgba(255, 209, 102, 0.25),
                inset 0 1px 0 rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  }
  .pk-lang-hud.hud-en .pk-lang-hud-inner {
    border-color: rgba(56, 189, 248, 0.5);
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.8),
                0 0 32px rgba(56, 189, 248, 0.28),
                inset 0 1px 0 rgba(255, 255, 255, 0.16);
  }
  .pk-lang-hud-visual {
    display: flex;
    align-items: center;
    gap: 7px;
  }
  .pk-lang-hud-prev {
    font-size: 0.68rem;
    font-weight: 700;
    color: #64748b;
    padding: 2px 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }
  .pk-lang-hud-arrow {
    display: flex;
    align-items: center;
    color: #94a3b8;
  }
  .pk-lang-hud-pill {
    padding: 3px 11px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #070a12;
    background: #ffd166;
    box-shadow: 0 0 14px rgba(255, 209, 102, 0.7);
  }
  .pk-lang-hud.hud-en .pk-lang-hud-pill {
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.7);
  }
  .pk-lang-hud-spark-wrap {
    display: flex;
    align-items: center;
    color: #ffd166;
    animation: pkHudSparkSpin 2.2s infinite linear;
  }
  .pk-lang-hud.hud-en .pk-lang-hud-spark-wrap {
    color: #38bdf8;
  }
  @keyframes pkHudSparkSpin {
    0% { transform: rotate(0deg) scale(0.9); }
    50% { transform: rotate(180deg) scale(1.15); }
    100% { transform: rotate(360deg) scale(0.9); }
  }
  .pk-lang-hud-meta {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .pk-lang-hud-title {
    font-size: 0.84rem;
    font-weight: 700;
    color: #ffffff;
    white-space: nowrap;
  }
  .pk-lang-hud-hint {
    font-size: 0.70rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
  }
  .pk-lang-hud-hint kbd {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    padding: 1px 5px;
    font-size: 0.62rem;
    font-family: inherit;
    color: #e2e8f0;
  }

  /* ================= new: settings-driven cosmetic toggles ================= */
  html.hide-motes .motes{ display:none !important; }
  html.hide-torches .torch{ display:none !important; }
  html.hide-key-fx .ripple, html.hide-key-fx .ember{ display:none !important; }

  html.compact-keys .key{ height:38px; font-size:0.9rem; border-radius:7px; }
  html.compact-keys .row{ gap:5px; }
  html.compact-keys .keyboard{ gap:5px; }
  html.compact-keys .shift-badge{ font-size:0.5rem; }

  /* holographic scanline overlay — opt-in CRT/temple-hologram effect */
  .scanline-overlay{
    position:fixed; inset:0; pointer-events:none; z-index:4;
    opacity:0;
    background:
      repeating-linear-gradient(0deg, rgba(0,0,0,0.16) 0px, rgba(0,0,0,0.16) 1px, transparent 2px, transparent 4px),
      radial-gradient(ellipse 70vw 60vh at 50% 40%, rgba(255,209,102,0.05), transparent 70%);
    mix-blend-mode:overlay;
    transition:opacity .35s ease;
  }
  html.scanlines-on .scanline-overlay{
    opacity:1;
    animation:scanline-drift 7s linear infinite;
  }
  @keyframes scanline-drift{
    0%{ background-position:0 0, 0 0; }
    100%{ background-position:0 40px, 0 0; }
  }

  /* ================= focus mode: ultra-clean distraction-free immersion ================= */
  html.focus-mode .site-crest-icon,
  html.focus-mode #siteLogo,
  html.focus-mode h1,
  html.focus-mode .subtitle,
  html.focus-mode .founder-byline,
  html.focus-mode #guideDock,
  html.focus-mode .guide-dock,
  html.focus-mode #profileSidebar,
  html.focus-mode #profileCredit,
  html.focus-mode #sessionBar,
  html.focus-mode .session-bar,
  html.focus-mode .layer-strip,
  html.focus-mode .chassis-actions,
  html.focus-mode .toolbar,
  html.focus-mode .hint,
  html.focus-mode #siteFooter,
  html.focus-mode .site-footer,
  html.focus-mode #horizon,
  html.focus-mode .horizon,
  html.focus-mode .motes,
  html.focus-mode .torch,
  html.focus-mode .scanline-overlay,
  html.focus-mode .developer-note-btn,
  html.focus-mode #guideToggleBtn,
  html.focus-mode .guide-toggle-btn,
  html.focus-mode #shortcutsOpenBtn,
  html.focus-mode #topLangToggleBtn,
  html.focus-mode #statsOpenBtn,
  html.focus-mode #authOpenBtn,
  html.focus-mode #authAccountChip{
    display: none !important;
  }

  html.focus-mode body{
    padding: 44px 20px 20px !important;
    justify-content: center;
  }

  html.focus-mode .layout-strip{
    margin: 0 0 12px !important;
    opacity: 0.75;
    transition: opacity .25s ease;
  }
  html.focus-mode .layout-strip:hover{
    opacity: 1;
  }

  /* Guarantee full normal keyboard & key proportions in Focus Mode */
  html.focus-mode .board-wrap{
    padding: 22px !important;
  }
  html.focus-mode .keyboard{
    width: min(86vw, 780px) !important;
    gap: 7px !important;
  }
  html.focus-mode .row{
    gap: 7px !important;
  }
  html.focus-mode .key{
    height: 52px !important;
    font-size: 1.05rem !important;
    border-radius: 9px !important;
  }

  html.focus-mode .top-actions{
    top: 12px !important;
    right: 14px !important;
    gap: 6px !important;
    opacity: 1 !important;
    filter: none !important;
  }
  html.focus-mode #settingsOpenBtn{
    opacity: 0.65;
    padding: 6px 10px !important;
    font-size: 0.7rem !important;
  }
  html.focus-mode #settingsOpenBtn:hover{
    opacity: 1;
  }

  .focus-mode-btn.active{
    background: linear-gradient(135deg, rgba(255, 209, 102, 0.25), rgba(255, 157, 46, 0.35)), var(--stone-2) !important;
    border-color: var(--gold-bright) !important;
    color: var(--gold-bright) !important;
    box-shadow: 0 0 16px rgba(255, 209, 102, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.25) !important;
    animation: focus-pulse 2.4s ease-in-out infinite;
  }

  @keyframes focus-pulse{
    0%, 100%{ box-shadow: 0 0 14px rgba(255, 209, 102, 0.35); }
    50%{ box-shadow: 0 0 24px rgba(255, 209, 102, 0.65), 0 0 6px var(--gold-bright); }
  }

  html.focus-mode .board-wrap{
    box-shadow:
      0 30px 90px -20px rgba(0,0,0,0.85),
      0 0 70px rgba(255,209,102,0.22),
      inset 0 1px 0 rgba(255,255,255,0.08);
    transition: box-shadow .4s ease;
  }

  /* ================= new: modal panel (Settings / Statistics) ================= */
  /* ================= new: modal panel (Settings / Statistics) ================= */
  .modal-backdrop{
    position:fixed; inset:0; z-index:2000;
    background:
      radial-gradient(ellipse 70vw 60vh at 50% 45%, rgba(255,209,102,0.12), transparent 75%),
      rgba(9, 10, 16, 0.78);
    display:flex; align-items:center; justify-content:center;
    padding:20px;
    overflow:hidden;
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    animation: modal-backdrop-spring-in 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    will-change: opacity, backdrop-filter;
  }
  .modal-backdrop[hidden]{ display:none; }

  .modal-backdrop.is-closing{
    animation: modal-backdrop-spring-out 0.22s cubic-bezier(0.4, 0, 1, 1) forwards !important;
    pointer-events: none;
  }

  .modal-backdrop.is-closing .modal-card,
  .modal-backdrop.is-closing .settings-modal-card,
  .modal-backdrop.is-closing .shortcuts-card,
  .modal-backdrop.is-closing .stats-card,
  .modal-backdrop.is-closing .auth-card,
  .modal-backdrop.is-closing .terms-card,
  .modal-backdrop.is-closing .temple-confirm-card,
  .modal-backdrop.is-closing .dev-note-card,
  .modal-backdrop.is-closing .nida-guide-card{
    animation: modal-card-spring-out 0.22s cubic-bezier(0.4, 0, 1, 1) forwards !important;
  }

  @keyframes modal-backdrop-spring-in{
    0%{ opacity: 0; backdrop-filter: blur(0px) saturate(100%); -webkit-backdrop-filter: blur(0px) saturate(100%); }
    100%{ opacity: 1; backdrop-filter: blur(18px) saturate(180%); -webkit-backdrop-filter: blur(18px) saturate(180%); }
  }

  @keyframes modal-backdrop-spring-out{
    0%{ opacity: 1; backdrop-filter: blur(18px) saturate(180%); -webkit-backdrop-filter: blur(18px) saturate(180%); }
    100%{ opacity: 0; backdrop-filter: blur(0px) saturate(100%); -webkit-backdrop-filter: blur(0px) saturate(100%); }
  }

  .modal-card{
    width:min(92vw, 560px);
    max-height:88vh;
    overflow-y:auto;
    overflow-x:hidden;
    background:linear-gradient(180deg, var(--stone-2), var(--stone-1));
    border:1px solid var(--stone-3);
    border-radius:18px;
    padding:22px 24px 26px;
    box-shadow:
      0 35px 80px -15px rgba(0,0,0,0.85),
      0 0 45px rgba(255,209,102,0.12),
      inset 0 1px 0 rgba(255,255,255,0.12);
    animation: modal-card-spring-in 0.42s cubic-bezier(0.16, 1, 0.3, 1) both;
    transform-origin: center center;
    will-change: transform, opacity, box-shadow;
  }

  @keyframes modal-card-spring-in{
    0%{
      opacity: 0;
      transform: perspective(1200px) translateY(38px) scale(0.88) rotateX(5deg);
      box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 0 rgba(255,209,102,0);
    }
    64%{
      opacity: 1;
      transform: perspective(1200px) translateY(-3px) scale(1.018) rotateX(-0.6deg);
      box-shadow: 0 42px 95px -15px rgba(0,0,0,0.92), 0 0 50px rgba(255,209,102,0.32);
    }
    84%{
      transform: perspective(1200px) translateY(1px) scale(0.996) rotateX(0.2deg);
    }
    100%{
      opacity: 1;
      transform: perspective(1200px) translateY(0) scale(1) rotateX(0deg);
      box-shadow: 0 35px 80px -15px rgba(0,0,0,0.85), 0 0 45px rgba(255,209,102,0.12);
    }
  }

  @keyframes modal-card-spring-out{
    0%{
      opacity: 1;
      transform: perspective(1200px) translateY(0) scale(1) rotateX(0deg);
    }
    100%{
      opacity: 0;
      transform: perspective(1200px) translateY(22px) scale(0.91) rotateX(-4deg);
    }
  }

  /* auth-card modal container — strictly zero scrollbars */
  .auth-card{
    max-height: min(92vh, 820px);
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
  }
  .auth-card::-webkit-scrollbar,
  .auth-card::-webkit-scrollbar-track,
  .auth-card::-webkit-scrollbar-thumb,
  .auth-card::-webkit-scrollbar-button{
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    background: transparent !important;
  }
  .modal-top{
    display:flex; justify-content:space-between; align-items:center;
    margin-bottom:16px;
  }
  .modal-top h2{
    font-family:'Space Grotesk', -apple-system, sans-serif; font-style:normal; font-weight:700;
    font-size:1.45rem; letter-spacing:-0.02em; margin:0; color:var(--gold-bright);
  }
  .modal-close{
    background:rgba(255, 255, 255, 0.05);
    border:1px solid var(--stone-3);
    color:var(--ink-dim);
    width:32px; height:32px;
    border-radius:50%;
    cursor:pointer;
    font-size:1.15rem;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    line-height:1;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                background 0.2s ease,
                border-color 0.2s ease,
                box-shadow 0.3s ease,
                color 0.2s ease;
  }
  .modal-close:hover{
    color:var(--gold-bright);
    border-color:var(--gold-bright);
    background:rgba(255, 209, 102, 0.12);
    transform: scale(1.15) rotate(90deg);
    box-shadow: 0 0 16px rgba(255, 209, 102, 0.45), inset 0 0 8px rgba(255, 209, 102, 0.2);
  }
  .modal-close:active{
    transform: scale(0.92) rotate(90deg);
  }

  /* ================= shortcuts cheat sheet modal ================= */
  .shortcuts-card{
    width:min(94vw, 680px);
    max-height:85vh;
  }
  .shortcuts-section{
    margin-bottom:20px;
  }
  .shortcuts-section:last-child{
    margin-bottom:4px;
  }
  .shortcuts-section-title{
    font-family:'Space Grotesk', -apple-system, sans-serif;
    font-size:0.86rem;
    font-weight:700;
    letter-spacing:0.04em;
    text-transform:uppercase;
    color:var(--gold);
    margin-bottom:10px;
    padding-bottom:4px;
    border-bottom:1px solid rgba(255,255,255,0.06);
  }
  .shortcuts-grid{
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(250px, 1fr));
    gap:8px;
  }
  .shortcut-item{
    display:flex;
    align-items:center;
    justify-content:space-between;
    background:rgba(255,255,255,0.03);
    border:1px solid var(--stone-3);
    border-radius:8px;
    padding:8px 12px;
    gap:10px;
    transition:background .15s ease, border-color .15s ease;
  }
  .shortcut-item:hover{
    background:rgba(255,209,102,0.04);
    border-color:rgba(255,209,102,0.25);
  }
  .shortcut-label{
    font-size:0.82rem;
    color:var(--ink);
    font-weight:500;
  }
  .shortcut-keys{
    display:flex;
    align-items:center;
    gap:4px;
    flex-shrink:0;
  }
  .shortcut-keys kbd{
    display:inline-block;
    padding:2px 7px;
    font-family:'JetBrains Mono', monospace;
    font-size:0.74rem;
    font-weight:600;
    color:var(--gold-bright);
    background:rgba(0,0,0,0.45);
    border:1px solid rgba(255,209,102,0.28);
    border-radius:4px;
    box-shadow:0 2px 0 rgba(0,0,0,0.5);
    line-height:1.3;
  }
  .shortcut-plus{
    font-size:0.72rem;
    color:var(--ink-dim);
    font-weight:600;
  }

  /* ================= temple confirm dialog (replaces native confirm()) ================= */
  .temple-confirm-backdrop{ z-index:2200; backdrop-filter:blur(2px); }
  .temple-confirm-card{
    width:min(90vw, 400px);
    padding:26px 24px 22px;
    text-align:center;
    position:relative;
    overflow:visible;
    border-color:var(--gold);
    box-shadow:0 30px 70px -20px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,157,46,0.25), 0 0 40px rgba(255,157,46,0.12);
    animation:temple-confirm-in .28s cubic-bezier(.2,.85,.3,1.05);
  }
  @keyframes temple-confirm-in{
    0%{
      opacity: 0;
      transform: perspective(1000px) translateY(32px) scale(0.88) rotateX(4deg);
    }
    65%{
      opacity: 1;
      transform: perspective(1000px) translateY(-3px) scale(1.02) rotateX(-0.5deg);
    }
    100%{
      opacity: 1;
      transform: perspective(1000px) translateY(0) scale(1) rotateX(0deg);
    }
  }
  html.reduced-motion .temple-confirm-card, [data-reduced-motion="true"] .temple-confirm-card{ animation:none; }
  .temple-confirm-icon{
    width:52px; height:52px; margin:0 auto 14px;
    border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:1.5rem;
    background:radial-gradient(circle, rgba(255,157,46,0.22), rgba(255,157,46,0.02));
    border:1px solid var(--gold);
    color:var(--gold-bright);
    box-shadow:0 0 22px rgba(255,209,102,0.35);
    animation:temple-confirm-pulse 2.4s ease-in-out infinite;
  }
  .temple-confirm-backdrop.is-danger .temple-confirm-icon{
    background:radial-gradient(circle, rgba(255,59,86,0.24), rgba(255,59,86,0.02));
    border-color:var(--temple-red);
    color:#f2a1a5;
    box-shadow:0 0 22px rgba(255,59,86,0.4);
  }
  @keyframes temple-confirm-pulse{
    0%,100%{ box-shadow:0 0 16px rgba(255,209,102,0.3); }
    50%{ box-shadow:0 0 28px rgba(255,209,102,0.55); }
  }
  html.reduced-motion .temple-confirm-icon, [data-reduced-motion="true"] .temple-confirm-icon{ animation:none; }
  .temple-confirm-title{
    font-family:'Orbitron', sans-serif; font-style:normal; font-weight:600;
    font-size:1.4rem; margin:0 0 8px; color:var(--gold-bright);
  }
  .temple-confirm-backdrop.is-danger .temple-confirm-title{ color:#f2a1a5; }
  .temple-confirm-msg{
    font-size:0.82rem; line-height:1.6; color:var(--ink-dim); margin:0 0 22px;
  }
  .temple-confirm-actions{ display:flex; gap:10px; }
  .temple-confirm-actions .secondary-btn, .temple-confirm-actions .reset-btn{ flex:1; margin-top:0; padding:11px 6px; }
  .temple-confirm-backdrop:not(.is-danger) .temple-confirm-ok{
    border-color:var(--gold); background:linear-gradient(135deg, var(--gold-bright), var(--gold)); color:#241405;
  }
  .temple-confirm-backdrop:not(.is-danger) .temple-confirm-ok:hover{ box-shadow:0 0 20px rgba(255,209,102,0.45); }

  .settings-group{ margin-bottom:18px; }
  .settings-group h3{
    font-size:0.66rem; letter-spacing:0.1em; text-transform:uppercase;
    color:var(--ink-dim); margin:0 0 10px;
  }
  .settings-row{
    display:flex; align-items:center; justify-content:space-between;
    padding:8px 0; border-bottom:1px solid var(--stone-3);
    font-size:0.82rem;
  }
  .settings-row:last-child{ border-bottom:none; }
  .settings-choice{ display:flex; gap:6px; flex-wrap:wrap; }
  .settings-choice:not(.accent-choice) button{
    font-family:'JetBrains Mono', monospace; font-size:0.66rem;
    padding:6px 12px; border-radius:8px; border:1px solid var(--stone-3);
    background:var(--stone-1); color:var(--ink-dim); cursor:pointer; transition:all .15s ease;
  }
  .settings-choice:not(.accent-choice) button.active{ color:var(--accent-ink, #241405); background:var(--gold-bright); border-color:var(--gold-bright); }
  .settings-choice:not(.accent-choice) button:hover{ border-color:var(--gold); }

  /* accent color swatches */
  .accent-choice button{
    width:30px; height:30px; padding:0; border-radius:50%;
    background:var(--sw) !important; border:2.5px solid rgba(255,255,255,0.35);
    transition:transform .18s cubic-bezier(.34,1.56,.64,1), border-color .18s ease, box-shadow .18s ease;
  }
  .accent-choice button:hover{ transform:scale(1.14); border-color:#ffffff; background:var(--sw) !important; }
  .accent-choice button.active{
    background:var(--sw) !important;
    border-color:#ffffff;
    box-shadow:0 0 0 2.5px rgba(9,13,24,0.9), 0 0 0 4.5px var(--sw), 0 0 14px var(--sw);
  }

  .toggle-switch{
    width:38px; height:22px; border-radius:999px; background:var(--stone-3);
    border:1px solid var(--stone-edge); position:relative; cursor:pointer; transition:background .2s ease;
    flex:0 0 auto;
  }
  .toggle-switch::after{
    content:""; position:absolute; top:2px; left:2px; width:16px; height:16px;
    border-radius:50%; background:var(--ink-dim); transition:transform .2s ease, background .2s ease;
  }
  .toggle-switch.on{ background:var(--gold); border-color:var(--gold-bright); }
  .toggle-switch.on::after{ transform:translateX(16px); background:#241405; }

  .settings-btn-row{ display:flex; gap:8px; margin-bottom:10px; }
  .secondary-btn{
    flex:1;
    font-family:'JetBrains Mono', monospace; font-size:0.66rem; letter-spacing:0.03em;
    padding:9px 6px; border-radius:9px; border:1px solid var(--stone-3);
    background:var(--stone-1); color:var(--ink-dim); cursor:pointer; transition:all .15s ease;
  }
  .secondary-btn:hover{ border-color:var(--gold); color:var(--ink); background:var(--stone-3); }

  .reset-btn{
    width:100%; margin-top:6px;
    font-family:'JetBrains Mono', monospace; font-size:0.7rem; letter-spacing:0.05em;
    padding:10px; border-radius:9px; border:1px solid var(--temple-red);
    background:rgba(255,59,86,0.12); color:#e8a3a6; cursor:pointer; transition:all .15s ease;
  }
  .reset-btn:hover{ background:rgba(255,59,86,0.25); color:#fdeeee; }

  .settings-about-text{
    margin:0; font-size:0.72rem; line-height:1.65; color:var(--ink-dim);
  }
  .settings-about-text b{ color:var(--ink); }

  /* accessibility: shift-layer corner previews can be hidden */
  html.hide-shift-badges .shift-badge{ display:none !important; }
  /* accessibility: the pulsing "next key" glow can be turned off for lessons */
  html.hide-key-highlight .key.lesson-target,
  html.hide-key-highlight .key.modifier-target{
    animation:none !important;
    box-shadow:none !important;
    border-color:var(--stone-edge) !important;
  }
  /* accessibility: high-contrast strengthens borders and dims translucency */
  html.high-contrast .key{
    border-color:rgba(255,255,255,0.4);
    border-bottom-color:rgba(255,255,255,0.4);
  }
  html.high-contrast .layout-pill, html.high-contrast .layer-pill{ border-color:rgba(255,255,255,0.32); }
  html.high-contrast .modal-card{ border-color:rgba(255,255,255,0.28); }
  html.high-contrast .settings-row{ border-bottom-color:rgba(255,255,255,0.22); }
  html.high-contrast .subtitle, html.high-contrast .ink-dim{ color:#ddd3ba; }

  /* ================= new: authentication (sign in / sign up) ================= */
  .auth-nav-btn.on{
    color:#241405;
    background:linear-gradient(135deg, var(--gold-bright), var(--gold));
    border-color:var(--gold-bright);
    box-shadow:0 0 12px rgba(255,209,102,0.35);
  }

  .auth-account-chip[hidden]{ display:none; }
  .auth-account-chip{
    display:inline-flex; align-items:center; gap:10px;
    font-family:'JetBrains Mono', monospace;
    font-size:0.8rem;
    font-weight:700;
    letter-spacing:0.06em;
    text-transform:uppercase;
    background:linear-gradient(180deg, rgba(255,255,255,0.08), rgba(0,0,0,0.25)), var(--stone-1);
    border:1px solid rgba(255,255,255,0.15);
    color:var(--ink);
    padding:5px 16px 5px 6px;
    min-height:38px;
    border-radius:999px;
    cursor:pointer;
    box-shadow:0 3px 14px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.12);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    transition:background .2s ease, border-color .2s ease, box-shadow .2s ease, color .2s ease;
    transform:none !important;
  }
  .auth-account-chip:hover{
    border-color:var(--gold-bright);
    background:linear-gradient(180deg, rgba(255,255,255,0.12), rgba(0,0,0,0.18)), var(--stone-2);
    box-shadow:0 4px 18px rgba(0,0,0,0.45), 0 0 18px rgba(255,209,102,0.3), inset 0 1px 0 rgba(255,255,255,0.22);
    transform:none !important;
    color:var(--gold-bright);
  }
  .auth-account-chip:active{
    transform:none !important;
    box-shadow:0 2px 6px rgba(0,0,0,0.4);
  }
  .auth-account-chip:focus-visible{ outline:2px solid var(--gold-bright); outline-offset:2px; }
  .auth-chip-avatar{
    width:28px; height:28px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:0.75rem; font-weight:700; color:#241405;
    background:linear-gradient(135deg, var(--gold-bright), var(--gold));
    box-shadow:0 0 0 2px rgba(255,209,102,0.4);
    flex:0 0 auto; overflow:hidden;
    transition:box-shadow .2s ease;
    transform:none !important;
  }
  .auth-account-chip:hover .auth-chip-avatar{
    transform:none !important;
    box-shadow:0 0 0 2px var(--gold-bright), 0 0 10px rgba(255,209,102,0.5);
  }
  .auth-chip-avatar img{ width:100%; height:100%; object-fit:cover; border-radius:50%; }

  .auth-backdrop{
    background:rgba(6,7,14,0.82);
    backdrop-filter:blur(9px);
    -webkit-backdrop-filter:blur(9px);
  }
  .auth-ambient{
    position:absolute; inset:0; pointer-events:none; overflow:hidden; z-index:0;
  }
  .auth-orb{
    position:absolute; border-radius:50%; filter:blur(70px); opacity:0.4;
    animation:auth-orb-drift ease-in-out infinite;
  }
  .auth-orb-1{ width:300px; height:300px; background:var(--fx-cyan); top:6%; left:8%; animation-duration:9s; }
  .auth-orb-2{ width:280px; height:280px; background:var(--fx-violet); bottom:4%; right:6%; animation-duration:11s; animation-direction:reverse; }
  @keyframes auth-orb-drift{
    0%,100%{ transform:translate(0,0) scale(1); }
    50%{ transform:translate(22px,-16px) scale(1.06); }
  }
  html.reduced-motion .auth-orb, [data-reduced-motion="true"] .auth-orb{ animation:none; }

  .auth-card{
    width:min(92vw, 440px);
    position:relative; z-index:1;
    border-radius:22px;
    border-color:var(--fx-border);
    --mx:50%; --my:15%;
    background:
      radial-gradient(circle 240px at var(--mx) var(--my), var(--fx-glow-cyan), transparent 62%),
      radial-gradient(ellipse 140% 70% at 18% -10%, rgba(255,157,46,0.14), transparent 55%),
      linear-gradient(180deg, var(--fx-glass), var(--fx-glass-2));
    backdrop-filter:blur(22px) saturate(160%);
    -webkit-backdrop-filter:blur(22px) saturate(160%);
    box-shadow:
      0 34px 80px -20px rgba(0,0,0,0.85),
      0 0 0 1px rgba(255,255,255,0.04) inset,
      0 0 50px -8px var(--fx-glow-violet);
    animation:auth-card-in .32s cubic-bezier(.2,.85,.3,1.05);
    transition:background .12s linear;
  }
  .auth-card::before{
    content:"";
    position:absolute; top:0; left:14%; right:14%; height:1px;
    background:linear-gradient(90deg, transparent, var(--fx-cyan), transparent);
    opacity:0.75;
  }
  .auth-card::after{
    content:"";
    position:absolute; inset:-1.5px; z-index:-1;
    border-radius:24px; padding:1.5px;
    background:conic-gradient(from 0deg, var(--fx-cyan), var(--fx-violet), var(--fx-pink), var(--fx-cyan));
    -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;
    mask-composite:exclude;
    opacity:0.75;
    animation:auth-ring-spin 6s linear infinite;
    pointer-events:none;
  }
  @keyframes auth-ring-spin{ to{ transform:rotate(360deg); } }
  html.reduced-motion .auth-card::after, [data-reduced-motion="true"] .auth-card::after{ animation:none; }
  @keyframes auth-card-in{
    0%{
      opacity: 0;
      transform: perspective(1000px) translateY(36px) scale(0.88) rotateX(5deg);
    }
    64%{
      opacity: 1;
      transform: perspective(1000px) translateY(-3px) scale(1.02) rotateX(-0.6deg);
    }
    100%{
      opacity: 1;
      transform: perspective(1000px) translateY(0) scale(1) rotateX(0deg);
    }
  }
  html.reduced-motion .auth-card, [data-reduced-motion="true"] .auth-card{ animation:none; }

  /* ---- shake on validation error ---- */
  @keyframes auth-shake{
    10%,90%{ transform:translateX(-1px); }
    20%,80%{ transform:translateX(2px); }
    30%,50%,70%{ transform:translateX(-5px); }
    40%,60%{ transform:translateX(5px); }
  }
  .auth-panel.auth-shake{ animation:auth-shake .5s cubic-bezier(.36,.07,.19,.97); }
  html.reduced-motion .auth-panel.auth-shake, [data-reduced-motion="true"] .auth-panel.auth-shake{ animation:none; }

  /* ---- (success flash + title-icon moved to redesign block below) ---- */

  /* ====================== AUTH FORM — FULL REDESIGN ====================== */

  /* ---- decorative header bar above tab switcher ---- */
  .auth-card .modal-top{
    position:relative;
    padding-bottom:18px;
    margin-bottom:0;
  }
  .auth-card .modal-top::after{
    content:"";
    position:absolute; bottom:0; left:-24px; right:-24px; height:1px;
    background:linear-gradient(90deg, transparent, rgba(255,209,102,0.25) 30%, rgba(255,157,46,0.3) 70%, transparent);
  }
  .auth-card .modal-top h2{
    font-size:1.25rem;
    display:flex; align-items:center; gap:10px;
  }
  .auth-title-icon{
    width:34px; height:34px; border-radius:10px; flex:0 0 auto;
    display:inline-flex; align-items:center; justify-content:center;
    background:linear-gradient(135deg, rgba(255,209,102,0.2), rgba(255,157,46,0.15));
    border:1px solid rgba(255,209,102,0.25);
    font-size:1rem;
    filter:none !important;
    box-shadow:0 0 14px rgba(255,209,102,0.2);
  }

  /* ---- Sign In / Sign Up pill tab switcher ---- */
  .auth-tabs{
    position:relative;
    display:flex;
    background:rgba(255,255,255,0.03);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:14px;
    padding:5px;
    margin:18px 0 20px;
    gap:4px;
  }
  .auth-tabs[hidden]{ display:none; }
  .auth-tab{
    flex:1; position:relative; z-index:1;
    background:none; border:none; cursor:pointer;
    padding:10px 0;
    font-family:'Space Grotesk', sans-serif;
    font-size:0.72rem; letter-spacing:0.07em; text-transform:uppercase;
    color:var(--fx-ink-dim);
    border-radius:10px;
    transition:color .22s ease;
    font-weight:500;
  }
  .auth-tab.active{ color:#241405; font-weight:700; }
  .auth-tab:focus-visible{ outline:2px solid var(--fx-cyan); outline-offset:2px; }
  .auth-tab-thumb{
    position:absolute; top:5px; left:5px;
    width:calc(50% - 7px); height:calc(100% - 10px);
    border-radius:10px;
    background:linear-gradient(135deg, var(--fx-cyan) 0%, #a0e8ff 40%, var(--fx-violet) 100%);
    box-shadow:0 2px 16px rgba(255,209,102,0.35), 0 0 8px rgba(255,209,102,0.2);
    transition:transform .32s cubic-bezier(.2,.85,.3,1.05);
  }
  .auth-tabs.on-signup .auth-tab-thumb{ transform:translateX(calc(100% + 4px)); }
  html.reduced-motion .auth-tab-thumb, [data-reduced-motion="true"] .auth-tab-thumb{ transition:none; }

  /* ---- subtitle ---- */
  .auth-subtitle{
    margin:0 0 16px;
    font-size:0.76rem;
    color:var(--ink-dim);
    text-align:center;
    letter-spacing:0.02em;
    line-height:1.55;
  }

  /* ---- fields ---- */
  .auth-panels{ position:relative; }
  .auth-panel{
    display:flex;
    flex-direction:column;
    gap:0;
    animation:auth-panel-in .3s cubic-bezier(.2,.85,.3,1.05);
  }
  .auth-panel[hidden]{ display:none !important; }
  @keyframes auth-panel-in{
    from{ opacity:0; transform:translateY(8px) scale(0.99); }
    to{ opacity:1; transform:translateY(0) scale(1); }
  }
  .auth-panel > .auth-field,
  .auth-panel > .auth-row-between,
  .auth-panel > .auth-checkbox{
    animation:auth-field-in .38s cubic-bezier(.2,.85,.3,1) backwards;
  }
  @keyframes auth-field-in{
    from{ opacity:0; transform:translateY(7px); }
    to{ opacity:1; transform:translateY(0); }
  }
  html.reduced-motion .auth-panel > .auth-field, [data-reduced-motion="true"] .auth-panel > .auth-field,
  html.reduced-motion .auth-panel > .auth-row-between, [data-reduced-motion="true"] .auth-panel > .auth-row-between,
  html.reduced-motion .auth-panel > .auth-checkbox, [data-reduced-motion="true"] .auth-panel > .auth-checkbox{ animation:none; }

  .auth-field{
    margin-bottom:14px;
    position:relative;
  }
  .auth-field label{
    display:flex;
    align-items:center;
    gap:5px;
    font-size:0.62rem;
    letter-spacing:0.08em;
    text-transform:uppercase;
    color:var(--fx-ink-dim);
    margin-bottom:7px;
    font-weight:500;
    transition:color .18s ease;
  }
  .auth-field:focus-within label{ color:var(--fx-cyan); }
  .auth-field.has-error label{ color:#e8a3a6; }

  /* ---- input icons ---- */
  .auth-input-wrap{ position:relative; display:flex; }
  .auth-input-wrap input{ padding-left:42px !important; }
  .auth-password-wrap{ position:relative; display:flex; }
  .auth-password-wrap input{ padding-left:42px !important; padding-right:44px !important; }
  .auth-input-icon{
    position:absolute; left:13px; top:50%; transform:translateY(-50%);
    font-size:0.85rem; color:var(--fx-ink-dim);
    pointer-events:none;
    transition:color .2s ease, filter .2s ease;
    z-index:1;
    line-height:1;
  }
  .auth-input-wrap:focus-within .auth-input-icon,
  .auth-password-wrap:focus-within .auth-input-icon{
    color:var(--fx-cyan);
    filter:drop-shadow(0 0 5px rgba(255,209,102,0.7));
  }

  /* ---- the actual inputs ---- */
  .auth-field input[type="text"],
  .auth-field input[type="email"],
  .auth-field input[type="password"]{
    width:100%;
    font-family:'Space Grotesk', sans-serif;
    font-size:0.85rem;
    color:var(--fx-ink);
    background:rgba(14,17,32,0.6);
    border:1px solid rgba(255,255,255,0.1);
    border-radius:12px;
    padding:12px 14px;
    transition:border-color .2s ease, box-shadow .2s ease, background .2s ease, transform .18s ease;
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
  }
  .auth-field input::placeholder{ color:rgba(217,198,163,0.4); }
  .auth-field input:focus{
    outline:none;
    border-color:rgba(255,209,102,0.55);
    background:rgba(255,209,102,0.04);
    box-shadow:
      0 0 0 3px rgba(255,209,102,0.1),
      0 0 20px rgba(255,209,102,0.12),
      inset 0 1px 0 rgba(255,255,255,0.04);
    transform:translateY(-1px);
  }
  .auth-field input:focus::placeholder{ color:rgba(217,198,163,0.25); }
  .auth-field.has-error input{
    border-color:rgba(255,59,86,0.55);
    background:rgba(255,59,86,0.04);
  }
  .auth-field.has-error input:focus{
    box-shadow:0 0 0 3px rgba(255,59,86,0.12), 0 0 20px rgba(255,59,86,0.1);
  }

  /* valid state (add .is-valid to the field via JS) */
  .auth-field.is-valid input{
    border-color:rgba(95,214,148,0.5);
  }
  .auth-field.is-valid label::after{
    content:"\2713";
    color:#5fd694;
    font-size:0.7rem;
    margin-left:2px;
  }

  .auth-field-error{
    display:none;
    margin:7px 0 0;
    font-size:0.68rem;
    color:#f0a0a5;
    padding:6px 10px;
    background:rgba(255,59,86,0.08);
    border-radius:7px;
    border-left:2px solid rgba(255,59,86,0.5);
  }
  .auth-field.has-error .auth-field-error{ display:block; }

  /* ---- eye toggle ---- */
  .auth-toggle-pw{
    position:absolute;
    right:5px; top:50%; transform:translateY(-50%);
    width:34px; height:34px;
    display:flex; align-items:center; justify-content:center;
    background:none; border:none; cursor:pointer;
    color:var(--fx-ink-dim);
    font-size:0.9rem;
    border-radius:9px;
    transition:color .15s ease, background .15s ease;
    z-index:1;
  }
  .auth-toggle-pw:hover{ color:var(--fx-cyan); background:rgba(255,209,102,0.1); }
  .auth-toggle-pw:focus-visible{ outline:2px solid var(--fx-cyan); outline-offset:1px; }

  /* ---- password strength ---- */
  .auth-strength-wrap{
    margin-top:8px;
    padding:10px 12px;
    background:rgba(255,255,255,0.03);
    border:1px solid rgba(255,255,255,0.06);
    border-radius:10px;
  }
  .auth-strength-bars{
    display:flex; gap:4px; margin-bottom:6px;
  }
  .auth-strength-bar{
    flex:1; height:4px; border-radius:999px;
    background:rgba(255,255,255,0.08);
    transition:background .3s ease, box-shadow .3s ease;
  }
  .auth-strength-bar.lit-weak{ background:#ff5e5e; box-shadow:0 0 6px rgba(255,94,94,0.6); }
  .auth-strength-bar.lit-fair{ background:#ffaa44; box-shadow:0 0 6px rgba(255,170,68,0.6); }
  .auth-strength-bar.lit-good{ background:var(--fx-cyan); box-shadow:0 0 6px rgba(255,209,102,0.6); }
  .auth-strength-bar.lit-strong{ background:#5fd694; box-shadow:0 0 8px rgba(95,214,148,0.7); }
  .auth-strength-track{
    display:none; /* replaced by bars */
  }
  .auth-strength-label{
    margin:0; font-size:0.64rem; color:var(--fx-ink-dim);
    letter-spacing:0.04em;
  }
  .auth-strength-label b{ font-weight:600; }
  .auth-strength-label.strength-weak b{ color:#ff5e5e; }
  .auth-strength-label.strength-fair b{ color:#ffaa44; }
  .auth-strength-label.strength-good b{ color:var(--fx-cyan); }
  .auth-strength-label.strength-strong b{ color:#5fd694; }

  /* ---- forgot / row ---- */
  .auth-row-between{
    display:flex; align-items:center; justify-content:flex-end;
    margin:-6px 0 12px; flex-wrap:wrap; gap:8px;
  }

  /* ---- checkbox ---- */
  .auth-checkbox{
    display:flex; align-items:center; gap:10px;
    font-size:0.74rem; color:var(--fx-ink-dim);
    cursor:pointer;
    padding:4px 0;
  }
  .auth-checkbox input[type="checkbox"]{
    appearance:none; -webkit-appearance:none;
    width:18px; height:18px; flex:0 0 auto;
    border-radius:6px; border:1px solid rgba(255,255,255,0.16);
    background:rgba(14,17,32,0.6);
    cursor:pointer;
    position:relative;
    transition:all .18s ease;
  }
  .auth-checkbox input[type="checkbox"]:checked{
    background:linear-gradient(135deg, var(--fx-cyan), var(--fx-violet));
    border-color:transparent;
    box-shadow:0 0 12px rgba(255,209,102,0.4);
  }
  .auth-checkbox input[type="checkbox"]:checked::after{
    content:"\2713";
    position:absolute; inset:0;
    display:flex; align-items:center; justify-content:center;
    font-size:0.72rem; font-weight:700; color:#04101c;
  }
  .auth-checkbox input[type="checkbox"]:focus-visible{
    outline:2px solid var(--fx-cyan); outline-offset:2px;
  }
  .auth-terms-row{ margin:2px 0 10px; }
  .auth-terms-link{
    text-decoration:none; padding:0; font-size:inherit;
    color:var(--fx-cyan);
    border-bottom:1px dashed rgba(255,209,102,0.4);
    transition:border-color .15s ease;
  }
  .auth-terms-link:hover{ border-color:var(--fx-cyan); }

  /* ---- link buttons ---- */
  .auth-link-btn{
    background:none; border:none; cursor:pointer;
    font-family:inherit; font-size:0.74rem;
    color:var(--fx-cyan);
    padding:2px 0;
    transition:color .15s ease, text-shadow .15s ease;
  }
  .auth-link-btn:hover{ color:#a0e8ff; text-shadow:0 0 12px rgba(255,209,102,0.55); }
  .auth-link-btn:focus-visible{ outline:2px solid var(--fx-cyan); outline-offset:2px; border-radius:3px; }

  /* ---- form-level error / note banners ---- */
  .auth-form-error{
    margin:0 0 14px;
    padding:10px 13px;
    border-radius:10px;
    background:rgba(255,59,86,0.08);
    border:1px solid rgba(255,59,86,0.35);
    color:#f0a0a5;
    font-size:0.73rem;
    line-height:1.5;
    display:flex; align-items:flex-start; gap:8px;
  }
  .auth-form-error[hidden]{ display:none; }
  .auth-form-error::before{ content:"!"; flex:0 0 auto; }
  .auth-form-note{
    margin:0 0 14px;
    padding:10px 13px;
    border-radius:10px;
    background:rgba(255,209,102,0.06);
    border:1px solid rgba(255,209,102,0.28);
    color:#a0e8ff;
    font-size:0.73rem;
    line-height:1.5;
    display:flex; align-items:flex-start; gap:8px;
  }
  .auth-form-note[hidden]{ display:none; }
  .auth-form-note::before{ content:"\2713"; flex:0 0 auto; color:#5fd694; }

  /* ---- submit button — full cinematic glow pill ---- */
  .auth-submit-btn{
    position:relative;
    overflow:hidden;
    display:flex; align-items:center; justify-content:center; gap:8px;
    width:100%;
    font-family:'Space Grotesk', sans-serif;
    font-size:0.8rem;
    letter-spacing:0.09em;
    text-transform:uppercase;
    font-weight:700;
    color:#241405;
    background:linear-gradient(135deg, var(--fx-cyan) 0%, #a0e8ff 45%, var(--fx-violet) 100%);
    border:none;
    padding:13px;
    border-radius:14px;
    cursor:pointer;
    margin-top:4px;
    box-shadow:
      0 0 22px rgba(255,209,102,0.35),
      0 4px 18px rgba(0,0,0,0.35),
      inset 0 1px 0 rgba(255,255,255,0.3);
    transition:box-shadow .2s ease, transform .18s ease, filter .18s ease;
  }
  /* shimmer sweep */
  .auth-submit-btn::before{
    content:"";
    position:absolute; top:0; left:-70%; width:50%; height:100%;
    background:linear-gradient(120deg, transparent, rgba(255,255,255,0.45), transparent);
    transform:skewX(-18deg);
    transition:left .6s ease;
    pointer-events:none;
  }
  .auth-submit-btn:hover::before{ left:130%; }
  /* bottom glow flare */
  .auth-submit-btn::after{
    content:"";
    position:absolute; bottom:-8px; left:15%; right:15%; height:20px;
    background:linear-gradient(90deg, var(--fx-cyan), var(--fx-violet));
    filter:blur(12px);
    opacity:0.5;
    border-radius:50%;
    pointer-events:none;
    transition:opacity .2s ease;
  }
  .auth-submit-btn:hover{
    box-shadow:
      0 0 38px rgba(255,209,102,0.5),
      0 6px 24px rgba(0,0,0,0.4),
      inset 0 1px 0 rgba(255,255,255,0.3);
    transform:translateY(-2px);
    filter:brightness(1.06);
  }
  .auth-submit-btn:hover::after{ opacity:0.75; }
  .auth-submit-btn:active{
    transform:translateY(0) scale(0.98);
    box-shadow:0 0 16px rgba(255,209,102,0.3), 0 2px 10px rgba(0,0,0,0.3);
  }
  .auth-submit-btn:focus-visible{ outline:2px solid var(--fx-ink); outline-offset:3px; }
  .auth-submit-btn:disabled{ opacity:0.65; cursor:default; transform:none; filter:none; }

  .auth-submit-spinner{
    display:none;
    width:14px; height:14px;
    border-radius:50%;
    border:2px solid rgba(4,16,28,0.28);
    border-top-color:#241405;
    animation:auth-spin .6s linear infinite;
    flex:0 0 auto;
  }
  .auth-submit-btn.is-loading .auth-submit-spinner{ display:block; }
  .auth-submit-btn.is-loading .auth-submit-label{ opacity:0.8; }
  @keyframes auth-spin{ to{ transform:rotate(360deg); } }

  /* success state */
  .auth-submit-btn.is-success{
    background:linear-gradient(135deg, #8ee8ac, #5fd694);
    box-shadow:0 0 26px rgba(95,214,148,0.5);
    color:#0f2e1c;
  }
  .auth-submit-btn.is-success .auth-submit-label::before{ content:"\2713  "; }

  /* ---- switch link line ---- */
  .auth-switch{
    text-align:center;
    margin:14px 0 2px;
    font-size:0.73rem;
    color:var(--fx-ink-dim);
    line-height:1.6;
  }

  /* ---- session note ---- */
  .auth-session-note{
    margin:10px 0 0; text-align:center; font-size:0.66rem; color:var(--fx-ink-dim);
    display:flex; align-items:center; justify-content:center; gap:5px;
    opacity:0.75;
  }

  .auth-panel-account{ align-items:center; text-align:center; padding:6px 0 2px; }
  .auth-account-avatar{
    width:58px; height:58px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:1.6rem;
    background:linear-gradient(135deg, var(--fx-cyan), var(--fx-violet));
    box-shadow:0 0 0 2px rgba(255,209,102,0.25), 0 0 22px var(--fx-glow-cyan), 0 0 44px rgba(255,209,102,0.12);
    margin-bottom:12px; overflow:hidden;
    animation:avatar-breathe 3.5s ease-in-out infinite;
  }
  @keyframes avatar-breathe{
    0%,100%{ box-shadow:0 0 0 2px rgba(255,209,102,0.2), 0 0 18px var(--fx-glow-cyan), 0 0 36px rgba(255,209,102,0.1); }
    50%{ box-shadow:0 0 0 3px rgba(255,209,102,0.35), 0 0 28px var(--fx-glow-cyan), 0 0 52px rgba(255,209,102,0.18); }
  }
  .auth-account-avatar img{ width:100%; height:100%; object-fit:cover; border-radius:50%; }
  .acc-avatar-wrap{ position:relative; flex:0 0 auto; }
  .acc-avatar-edit{
    position:absolute; right:-2px; bottom:-2px; width:22px; height:22px; border-radius:50%;
    display:flex; align-items:center; justify-content:center; font-size:0.72rem;
    background:rgba(10,12,22,0.92); color:var(--fx-cyan); border:2px solid rgba(10,12,22,0.9);
    cursor:pointer; transition:transform .15s ease, box-shadow .15s ease;
  }
  .acc-avatar-edit:hover{ transform:scale(1.1); box-shadow:0 0 12px var(--fx-glow-cyan); }
  .auth-account-name{
    margin:0; font-family:'Orbitron', 'Space Grotesk', sans-serif; font-weight:700;
    font-size:1.15rem; color:var(--fx-ink);
  }
  .auth-account-email{ margin:2px 0 18px; font-size:0.74rem; color:var(--fx-ink-dim); }
  /* .auth-signout-btn styles moved to the account panel section below */

  .auth-row-end{ justify-content:flex-end; }
  .auth-session-note{
    margin:14px 0 0; text-align:center; font-size:0.68rem; color:var(--fx-ink-dim);
    display:flex; align-items:center; justify-content:center; gap:5px;
  }

  /* ---- richer signed-in account panel (Luxury Command Cockpit) ---- */
  .auth-card.is-account{
    width: min(94vw, 680px);
    max-height: min(92vh, 820px);
    border-radius: 22px;
    padding: 22px 24px 20px;
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
  }
  .auth-card.is-account .auth-tabs{
    display: none !important;
  }
  .auth-panel-account{
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  /* Profile Hero Card */
  .acc-hero-card{
    position: relative;
    background: linear-gradient(135deg, rgba(20, 24, 38, 0.82) 0%, rgba(11, 14, 24, 0.94) 100%);
    border: 1px solid rgba(255, 209, 102, 0.24);
    border-radius: 16px;
    padding: 16px 18px 14px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    overflow: hidden;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    margin-bottom: 14px;
  }
  .acc-hero-card::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 209, 102, 0.7), rgba(56, 189, 248, 0.7), transparent);
    pointer-events: none;
  }
  .acc-hero-main{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
  }

  /* Avatar & Cyber Frame */
  .acc-avatar-wrap{
    position: relative;
    flex: 0 0 auto;
  }
  .acc-hero-card .auth-account-avatar{
    width: 62px;
    height: 62px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    background: linear-gradient(135deg, rgba(255, 209, 102, 0.22) 0%, rgba(56, 189, 248, 0.18) 100%);
    border: 2px solid rgba(255, 209, 102, 0.45);
    box-shadow: 0 0 20px rgba(255, 209, 102, 0.25), 0 0 40px rgba(56, 189, 248, 0.15);
    margin-bottom: 0;
    overflow: hidden;
    flex-shrink: 0;
  }
  .acc-hero-card .auth-account-avatar img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
  }
  .acc-avatar-edit{
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    background: #0b0e18;
    color: var(--gold-bright, #ffd166);
    border: 2px solid rgba(255, 209, 102, 0.5);
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    z-index: 2;
  }
  .acc-avatar-edit:hover{
    transform: scale(1.15);
    background: #141a2c;
    box-shadow: 0 0 12px rgba(255, 209, 102, 0.6);
  }

  /* User Info Column */
  .acc-hero-info{
    flex: 1 1 210px;
    min-width: 0;
  }
  .acc-name-row{
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 2px;
  }
  .acc-hero-info .auth-account-name{
    margin: 0;
    font-family: 'Space Grotesk', -apple-system, sans-serif;
    font-weight: 700;
    font-size: 1.22rem;
    color: #fff;
    letter-spacing: -0.01em;
  }
  .acc-rank-badge{
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.05em;
    font-weight: 700;
    text-transform: uppercase;
    color: #1a1204;
    background: linear-gradient(135deg, #ffd166 0%, #ffbe3b 100%);
    padding: 3px 9px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(255, 209, 102, 0.35);
  }
  .acc-hero-info .auth-account-email{
    margin: 2px 0 6px;
    font-size: 0.76rem;
    color: var(--fx-ink-dim, #a4b6dd);
    word-break: break-all;
  }
  .acc-meta-row{
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.55);
    margin: 0;
  }
  .acc-meta-item{
    display: inline-flex;
    align-items: center;
    gap: 5px;
  }
  .acc-meta-item svg{
    color: var(--gold-bright, #ffd166);
    flex-shrink: 0;
  }
  .acc-meta-item b{
    color: #fff;
    font-weight: 600;
  }

  /* Live Sync Badge & Trigger Column */
  .acc-sync-badge-col{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    flex-shrink: 0;
  }
  .acc-session-pill{
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.64rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #a7f3d0;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.32);
    padding: 5px 12px;
    border-radius: 999px;
    box-shadow: 0 0 14px rgba(16, 185, 129, 0.18);
    margin: 0;
  }
  .acc-session-dot{
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #34d399;
    flex: 0 0 auto;
    box-shadow: 0 0 6px #34d399, 0 0 14px #34d399;
    animation: tile-live-pulse 2s ease-in-out infinite;
  }
  .acc-sync-now-btn{
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--gold-bright, #ffd166);
    background: rgba(255, 209, 102, 0.08);
    border: 1px solid rgba(255, 209, 102, 0.28);
    border-radius: 8px;
    padding: 5px 11px;
    cursor: pointer;
    transition: all .18s ease;
  }
  .acc-sync-now-btn:hover{
    background: rgba(255, 209, 102, 0.18);
    border-color: var(--gold-bright, #ffd166);
    box-shadow: 0 0 12px rgba(255, 209, 102, 0.3);
    transform: translateY(-1px);
  }
  .acc-sync-now-btn:active{
    transform: translateY(0);
  }
  .acc-sync-now-btn:disabled{
    opacity: 0.55;
    cursor: wait;
    transform: none;
  }

  /* XP Mastery Liquid Bar */
  .acc-xp-container{
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
  }
  .acc-xp-track{
    margin: 0 0 6px;
    height: 8px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.45);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
    position: relative;
  }
  .acc-xp-fill{
    height: 100%;
    width: 4%;
    border-radius: 999px;
    background: linear-gradient(90deg, #7c3aed 0%, #38bdf8 50%, #ffd166 100%);
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
    transition: width .8s cubic-bezier(.16, 1, .3, 1);
    position: relative;
  }
  .acc-xp-fill::after{
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 22px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.65));
    border-radius: 999px;
    animation: xp-sheen 2.4s ease-in-out infinite;
  }
  .acc-xp-label{
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
  }
  .acc-xp-label b{
    color: var(--gold-bright, #ffd166);
  }

  /* Segmented Tab Navigation Bar */
  .acc-nav-bar{
    display: flex;
    gap: 6px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 16px;
  }
  .acc-nav-btn{
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font-family: 'Space Grotesk', -apple-system, sans-serif;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--fx-ink-dim, #a4b6dd);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 8px 10px;
    cursor: pointer;
    transition: all .18s ease;
    text-decoration: none;
  }
  .acc-nav-btn:hover{
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
  }
  .acc-nav-btn.active{
    color: #1a1204;
    background: linear-gradient(135deg, #ffd166 0%, #ffbe3b 100%);
    border-color: #ffd166;
    font-weight: 700;
    box-shadow: 0 2px 12px rgba(255, 209, 102, 0.35);
  }
  .acc-nav-btn.active svg{
    stroke: #1a1204;
  }

  /* Tab Panes */
  .acc-tab-pane{
    width: 100%;
    animation: auth-panel-in .25s cubic-bezier(.2,.85,.3,1.05);
  }
  .acc-tab-pane[hidden]{
    display: none !important;
  }

  /* Tab 1: Stats Grid (9 Tiles) */
  .acc-stats-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 14px;
  }
  .acc-stats-grid .stat-tile{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px 6px 10px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    position: relative;
    overflow: hidden;
  }
  .acc-stats-grid .stat-tile::before{
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255, 209, 102, 0.12), transparent 70%);
    pointer-events: none;
  }
  .acc-stats-grid .stat-tile > *{
    position: relative;
    z-index: 1;
  }
  .acc-stats-grid .stat-tile-icon{
    color: var(--gold-bright, #ffd166);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .acc-stats-grid .stat-tile-val{
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.12rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 2px;
  }
  .acc-stats-grid .stat-tile-label{
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fx-ink-dim, #a4b6dd);
    opacity: 0.85;
  }
  .acc-stats-grid .stat-tile:hover{
    transform: translateY(-2px);
    border-color: rgba(255, 209, 102, 0.35);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 16px rgba(255, 209, 102, 0.15);
  }

  /* Overview Action Row */
  .acc-action-row{
    display: flex;
    gap: 8px;
    margin-top: 12px;
  }
  .acc-action-row .secondary-btn{
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: 'Space Grotesk', -apple-system, sans-serif;
    font-size: 0.74rem;
    font-weight: 600;
    padding: 10px 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--fx-ink-dim, #a4b6dd);
    cursor: pointer;
    transition: all .18s ease;
  }
  .acc-action-row .secondary-btn:hover{
    border-color: var(--gold-bright, #ffd166);
    color: #fff;
    background: rgba(255, 209, 102, 0.08);
    box-shadow: 0 0 14px rgba(255, 209, 102, 0.2);
    transform: translateY(-1px);
  }

  /* Tab 2: Cloud Storage Vault Clean Reset */
  #accSectionVault .acc-cloud-vault-chassis{
    margin: 0;
  }

  /* Tab 3: Security & Session */
  .acc-security-card{
    background: linear-gradient(135deg, rgba(20, 24, 38, 0.72) 0%, rgba(11, 14, 24, 0.88) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 18px 20px;
    margin-bottom: 16px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  }
  .acc-security-header{
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--gold-bright, #ffd166);
  }
  .acc-security-title{
    margin: 0;
    font-size: 0.92rem;
    font-weight: 700;
    color: #fff;
  }
  .acc-security-desc{
    margin: 0;
    font-size: 0.76rem;
    line-height: 1.6;
    color: var(--fx-ink-dim, #a4b6dd);
  }

  .acc-bottom-actions{
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
  }
  .auth-signout-btn{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    font-family: 'Space Grotesk', -apple-system, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #fff !important;
    cursor: pointer;
    transition: all .2s ease !important;
    box-shadow: none !important;
  }
  .auth-signout-btn:hover{
    background: rgba(255, 59, 86, 0.12) !important;
    border-color: rgba(255, 59, 86, 0.45) !important;
    color: #fca5a5 !important;
    box-shadow: 0 0 16px rgba(255, 59, 86, 0.25) !important;
    transform: translateY(-1px) !important;
  }
  .acc-delete-account-btn{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px;
    border-radius: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: #f87171;
    background: rgba(239, 68, 68, 0.08);
    border: 1px dashed rgba(239, 68, 68, 0.35);
    cursor: pointer;
    transition: all .2s ease;
  }
  .acc-delete-account-btn:hover{
    background: rgba(239, 68, 68, 0.18);
    border-color: #ef4444;
    color: #fff;
    box-shadow: 0 0 18px rgba(239, 68, 68, 0.3);
  }

  /* Responsive styling for small screens */
  @media (max-width: 640px) {
    .auth-card.is-account{
      width: 96vw;
      padding: 18px 14px 16px;
    }
    .acc-hero-main{
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
    }
    .acc-sync-badge-col{
      align-self: stretch;
      flex-direction: row;
      justify-content: space-between;
      align-items: center;
    }
    .acc-stats-grid{
      grid-template-columns: repeat(3, 1fr);
      gap: 6px;
    }
    .acc-stats-grid .stat-tile{
      padding: 8px 4px;
    }
    .acc-stats-grid .stat-tile-val{
      font-size: 0.95rem;
    }
    .acc-stats-grid .stat-tile-label{
      font-size: 0.52rem;
    }
    .acc-nav-bar{
      gap: 4px;
      padding: 3px;
    }
    .acc-nav-btn{
      font-size: 0.68rem;
      padding: 7px 6px;
      gap: 5px;
    }
    .acc-action-row{
      flex-direction: column;
    }
  }


  /* ================= Terms & Conditions modal ================= */
  .terms-backdrop{ z-index:2210; backdrop-filter:blur(3px); }
  .terms-card{
    width:min(92vw, 520px);
    padding:0;
    overflow:hidden;
    position:relative;
    border-color:var(--gold);
    box-shadow:0 30px 70px -20px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,157,46,0.25), 0 0 44px rgba(255,157,46,0.14);
    animation:temple-confirm-in .3s cubic-bezier(.2,.85,.3,1.05);
  }
  html.reduced-motion .terms-card, [data-reduced-motion="true"] .terms-card{ animation:none; }
  .terms-glow{
    position:absolute; inset:0; pointer-events:none; z-index:0;
    background:
      radial-gradient(ellipse 90% 60% at 15% -10%, rgba(255,209,102,0.16), transparent 55%),
      radial-gradient(ellipse 70% 60% at 100% 0%, rgba(45,212,167,0.09), transparent 60%);
  }
  .terms-glow::after{
    content:"";
    position:absolute; inset:0;
    background-image:
      repeating-linear-gradient(115deg, rgba(255,209,102,0.045) 0 1px, transparent 1px 34px),
      repeating-linear-gradient(25deg, rgba(255,209,102,0.03) 0 1px, transparent 1px 34px);
  }
  .terms-top{
    position:relative; z-index:1;
    display:flex; align-items:flex-start; gap:13px;
    padding:24px 24px 16px;
    border-bottom:1px solid var(--stone-3);
  }
  .terms-top h2{
    font-family:'Orbitron', sans-serif; font-style:normal; font-weight:700;
    font-size:1.35rem; margin:0; color:var(--gold-bright);
  }
  .terms-subtitle{ margin:3px 0 0; font-size:0.72rem; color:var(--ink-dim); }
  .terms-top .modal-close{ margin-left:auto; flex:0 0 auto; }
  .terms-badge{
    width:42px; height:42px; border-radius:12px; flex:0 0 auto;
    display:flex; align-items:center; justify-content:center; font-size:1.25rem;
    background:radial-gradient(circle, rgba(255,157,46,0.24), rgba(255,157,46,0.03));
    border:1px solid var(--gold);
    box-shadow:0 0 18px rgba(255,209,102,0.3);
  }
  .terms-body{
    position:relative; z-index:1;
    max-height:52vh; overflow-y:auto;
    padding:18px 24px 6px;
  }
  .terms-notice{
    display:flex; align-items:flex-start; gap:9px;
    font-size:0.76rem; line-height:1.55; color:#f2d9a8;
    background:rgba(255,157,46,0.1); border:1px solid rgba(255,157,46,0.3);
    border-radius:10px; padding:11px 13px; margin-bottom:18px;
  }
  .terms-notice-icon{ color:var(--gold-bright); flex:0 0 auto; }
  .terms-notice b{ color:var(--gold-bright); }
  .terms-section{ margin-bottom:16px; }
  .terms-section h3{
    display:flex; align-items:center; gap:9px;
    font-family:'Orbitron', sans-serif; font-style:normal; font-weight:600;
    font-size:0.92rem; color:var(--ink); margin:0 0 6px;
  }
  .terms-section-num{
    font-family:'JetBrains Mono', monospace; font-size:0.6rem; font-style:normal;
    color:#241405; background:var(--gold); border-radius:5px;
    padding:2px 6px; letter-spacing:0.04em;
  }
  .terms-section p{ margin:0; font-size:0.76rem; line-height:1.65; color:var(--ink-dim); }
  .terms-ack-btn{
    position:relative; z-index:1;
    width:calc(100% - 48px); margin:16px 24px 22px;
  }



  /* ================= new: statistics dashboard ================= */
  .stats-card{
    width:min(92vw, 640px);
    max-height:88vh;
    padding:0;
    overflow-y:auto;
    overflow-x:hidden;
    position:relative;
  }
  .stats-header{
    position:relative;
    padding:24px 26px 18px;
    background:
      radial-gradient(ellipse 90% 100% at 15% -10%, rgba(255,209,102,0.14), transparent 55%),
      radial-gradient(ellipse 70% 80% at 100% 0%, rgba(45,212,167,0.08), transparent 60%),
      linear-gradient(180deg, #242229, var(--stone-2));
    border-bottom:1px solid var(--stone-3);
    overflow:hidden;
  }
  .stats-header::before{
    content:"";
    position:absolute; inset:0;
    background-image:
      repeating-linear-gradient(115deg, rgba(255,209,102,0.045) 0 1px, transparent 1px 34px),
      repeating-linear-gradient(25deg, rgba(255,209,102,0.03) 0 1px, transparent 1px 34px);
    pointer-events:none;
  }
  .stats-header::after{
    content:"";
    position:absolute; top:12px; right:52px;
    width:18px; height:18px;
    border-top:1.5px solid var(--gold);
    border-right:1.5px solid var(--gold);
    opacity:0.55; pointer-events:none;
  }
  .stats-header .modal-top{ margin-bottom:4px; position:relative; z-index:1; }
  .stats-title-glyph{
    display:inline-block; margin-right:8px; color:var(--gold);
    text-shadow:0 0 14px rgba(255,209,102,0.5);
  }
  .stats-subtitle{
    margin:0; font-size:0.76rem; font-style:italic; color:var(--ink-dim);
    position:relative; z-index:1;
  }
  .stats-hero{
    position:relative; z-index:1;
    display:flex; align-items:center; gap:16px;
    margin-top:16px;
  }
  .stats-ring-wrap{ position:relative; width:74px; height:74px; flex:0 0 auto; }
  .stats-ring-wrap svg{ width:100%; height:100%; transform:rotate(-90deg); }
  .stats-ring-track{ fill:none; stroke:var(--stone-3); stroke-width:8; }
  .stats-ring-fill{
    fill:none; stroke:url(#statsRingGrad); stroke-width:8; stroke-linecap:round;
    transition:stroke-dashoffset 1s cubic-bezier(.16,1,.3,1);
    filter:drop-shadow(0 0 6px rgba(255,209,102,0.45));
  }
  .stats-ring-label{
    position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
    font-family:'JetBrains Mono', monospace; font-weight:700; font-size:1rem; color:var(--gold-bright);
  }
  .stats-hero-text{ flex:1; min-width:0; }
  .stats-hero-title{
    font-family:'Orbitron', sans-serif; font-style:normal; font-weight:700;
    font-size:1.2rem; color:var(--ink); margin:0 0 3px;
  }
  .stats-hero-sub{ font-size:0.72rem; color:var(--ink-dim); letter-spacing:0.01em; }
  .stats-hero-sub b{ color:var(--gold-bright); font-weight:600; }
  .stats-hero-streak{
    display:flex; align-items:center; gap:5px;
    font-family:'JetBrains Mono', monospace; font-size:0.78rem; color:var(--gold-bright);
    background:rgba(255,209,102,0.1); border:1px solid rgba(255,209,102,0.25);
    padding:5px 11px; border-radius:999px; flex:0 0 auto; white-space:nowrap;
  }

  .stats-grid{
    display:grid; grid-template-columns:repeat(3, 1fr); gap:10px;
    padding:20px 26px 4px;
  }
  .stat-tile{
    --tile-accent: var(--gold-bright);
    background:linear-gradient(180deg, rgba(255,255,255,0.035), transparent 55%), var(--stone-1);
    border:1px solid var(--stone-3); border-top:2px solid var(--stone-3);
    border-radius:12px;
    padding:14px 8px 12px; text-align:center;
    position:relative; overflow:hidden;
    opacity:1; transform:translateY(0);
    animation:stat-tile-in .45s ease backwards;
    animation-delay:var(--tile-delay, 0s);
    transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .stat-tile:hover{
    border-color:var(--tile-accent); border-top-color:var(--tile-accent);
    transform:translateY(-3px) scale(1.015);
    box-shadow:0 12px 26px -10px color-mix(in srgb, var(--tile-accent) 55%, transparent);
  }
  .stat-tile::before{
    content:"";
    position:absolute; top:0; left:14%; right:14%; height:1px;
    background:linear-gradient(90deg, transparent, var(--tile-accent), transparent);
    opacity:0; transition:opacity .2s ease;
  }
  .stat-tile:hover::before{ opacity:1; }
  @keyframes stat-tile-in{ from{ opacity:0; transform:translateY(6px); } to{ opacity:1; transform:translateY(0); } }
  .stat-tile-icon{
    font-size:0.9rem; margin-bottom:5px; opacity:0.9;
    display:flex; align-items:center; justify-content:center;
    filter:drop-shadow(0 0 6px color-mix(in srgb, var(--tile-accent) 60%, transparent));
    transition:transform .2s ease;
  }
  .stat-tile-icon svg{
    stroke: var(--tile-accent);
  }
  .stat-tile:hover .stat-tile-icon{ transform:scale(1.12) translateY(-1px); }
  .stat-tile-val{
    font-family:'JetBrains Mono', monospace; font-size:1.2rem; font-weight:600;
    color:var(--tile-accent);
    text-shadow:0 0 12px color-mix(in srgb, var(--tile-accent) 45%, transparent);
  }
  .stat-tile-label{
    font-size:0.54rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-dim);
    margin-top:3px;
  }
  .stat-tile-live{
    position:absolute; top:8px; right:9px;
    width:6px; height:6px; border-radius:50%;
    background:var(--tile-accent);
    box-shadow:0 0 6px var(--tile-accent), 0 0 12px var(--tile-accent);
    animation:tile-live-pulse 1.6s ease-in-out infinite;
  }
  @keyframes tile-live-pulse{
    0%,100%{ opacity:1; transform:scale(1); }
    50%{ opacity:0.35; transform:scale(1.5); }
  }

  .stats-levels-head{
    display:flex; align-items:center; gap:10px;
    padding:20px 26px 10px;
  }
  .stats-levels-head h3{
    margin:0; font-size:0.66rem; letter-spacing:0.1em; text-transform:uppercase;
    color:var(--ink-dim); white-space:nowrap;
  }
  .stats-levels-head-line{
    flex:1; height:1px;
    background:linear-gradient(90deg, var(--stone-3), transparent);
  }
  #statsLessonBars{ padding:0 26px 24px; }

  .stats-bar-row{
    display:flex; align-items:center; gap:12px; margin-bottom:9px;
    font-size:0.72rem;
    opacity:1; transform:translateX(0);
    animation:stat-bar-in .4s ease backwards;
  }
  @keyframes stat-bar-in{ from{ opacity:0; transform:translateX(-6px); } to{ opacity:1; transform:translateX(0); } }
  .stats-bar-num{
    flex:0 0 auto; width:22px; height:22px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-family:'JetBrains Mono', monospace; font-size:0.62rem; font-weight:700;
    background:var(--stone-1); border:1px solid var(--stone-3); color:var(--ink-dim);
    transition:all .3s ease;
  }
  .stats-bar-row.is-complete .stats-bar-num{
    background:linear-gradient(135deg, var(--gold), var(--gold-bright));
    border-color:var(--gold-bright); color:#241405;
    box-shadow:0 0 10px rgba(255,209,102,0.4);
  }
  .stats-bar-name{ min-width:150px; color:var(--ink-dim); flex:0 0 auto; }
  .stats-bar-row.is-complete .stats-bar-name{ color:var(--ink); }
  .stats-bar-track{
    flex:1; height:8px; border-radius:999px; background:var(--stone-3); overflow:hidden;
    box-shadow:inset 0 1px 2px rgba(0,0,0,0.35);
  }
  .stats-bar-fill{
    position:relative;
    height:100%; width:0; background:linear-gradient(90deg, var(--gold), var(--gold-bright)); border-radius:999px;
    transition:width .8s cubic-bezier(.16,1,.3,1);
    box-shadow:0 0 8px rgba(255,209,102,0.4);
  }
  .stats-bar-fill::after{
    content:"";
    position:absolute; top:0; right:0; bottom:0; width:8px;
    background:radial-gradient(circle, #fff9 0%, transparent 70%);
    opacity:0.8;
  }
  .stats-bar-pct{
    color:var(--gold-bright); min-width:34px; text-align:right;
    font-family:'JetBrains Mono', monospace; font-weight:600; flex:0 0 auto;
  }

  /* ---------- race records (stats modal) ---------- */
  #statsRaceRecords{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    padding:0 26px 24px;
  }
  #statsRaceRecords .race-record-empty{
    grid-column:1/-1;
    text-align:center;
    font-size:0.7rem;
    color:var(--ink-dim);
    padding:8px 0 4px;
  }
  .race-record-card{
    padding:12px 14px;
    border-radius:10px;
    background:var(--stone-1);
    border:1px solid var(--stone-3);
    opacity:1; transform:translateY(0);
    animation:stat-bar-in .4s ease backwards;
  }
  .race-record-card-head{
    display:flex; align-items:center; justify-content:space-between;
    margin-bottom:8px;
  }
  .race-record-diff{
    font-size:0.62rem; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--gold-bright); font-weight:600;
  }
  .race-record-races{
    font-size:0.58rem; color:var(--ink-dim);
  }
  .race-record-lengths{ display:flex; flex-direction:column; gap:4px; }
  .race-record-length-row{
    display:flex; align-items:center; justify-content:space-between;
    font-size:0.66rem; color:var(--ink-dim);
  }
  .race-record-length-row b{
    color:var(--ink); font-family:'JetBrains Mono', monospace; font-weight:600;
  }
  .race-record-length-row .rr-tag{
    font-family:'JetBrains Mono', monospace; font-size:0.6rem; color:var(--ink-dim); min-width:52px;
  }
  .race-record-none{ color:#4a5578; font-style:italic; }

  /* ================= new: profile button + banner ================= */
  .profile-btn{
    display:flex; align-items:center; gap:0;
    width:34px; height:34px; padding:0;
    border-radius:50%; overflow:hidden;
    border:1px solid var(--stone-3);
    background:linear-gradient(135deg, var(--gold), var(--fx-pink));
    color:#241405; font-weight:700; font-size:0.7rem;
    font-family:'JetBrains Mono', monospace;
    cursor:pointer; transition:all .18s ease;
  }
  .profile-btn:hover{ border-color:var(--gold-bright); box-shadow:0 0 14px rgba(255,209,102,0.35); }
  .profile-btn img{ width:100%; height:100%; object-fit:cover; }

  /* ================= FOUNDER PROFILE — futuristic glass module ================= */
  .profile-sidebar,
  .profile-sidebar.tier-5{
    --fx-cyan:#ffd166; --fx-violet:#ff9d2e; --fx-pink:#ff3b56;
    --fx-glow-cyan:rgba(255,209,102,0.75); --fx-glow-violet:rgba(255,157,46,0.7);
    --fx-ink:#fff6e8; --fx-ink-dim:#d9c6a3;
    --fx-glass:rgba(14,17,32,0.55); --fx-glass-2:rgba(20,24,44,0.46);
    --fx-border:rgba(180,220,255,0.22);
    perspective:900px;
    /* keep legacy var names alive for any shared rules outside this block */
    --tier-1:var(--fx-violet); --tier-2:var(--fx-cyan);
    --tier-glow:var(--fx-glow-cyan); --tier-soft:rgba(79,232,255,0.12); --tier-ink:#04151c;
  }

  .profile-card{ padding:0; overflow:hidden; }
  .profile-card .modal-top{ display:none; }

  @keyframes founder-card-in{
    from{ opacity:0; transform:translateY(14px) scale(0.97); }
    to{ opacity:1; transform:translateY(0) scale(1); }
  }
  @keyframes fx-border-rotate{ to{ --fx-angle:360deg; } }
  @property --fx-angle{ syntax:'<angle>'; inherits:false; initial-value:0deg; }

  .profile-sidebar{
    --tiltX:0deg; --tiltY:0deg;
    background:
      linear-gradient(160deg, rgba(255,255,255,0.07), transparent 40%),
      linear-gradient(200deg, var(--fx-glass) 0%, var(--fx-glass-2) 100%);
    -webkit-backdrop-filter:blur(24px) saturate(170%);
    backdrop-filter:blur(24px) saturate(170%);
    border:1px solid var(--fx-border);
    border-radius:22px;
    box-shadow:
      0 30px 70px -20px rgba(0,0,0,0.8),
      0 0 0 1px rgba(255,255,255,0.04) inset,
      0 0 48px -4px var(--fx-glow-violet),
      0 0 90px -20px var(--fx-glow-cyan);
    z-index:30;
    cursor:pointer;
    position:relative;
    overflow:hidden;
    isolation:isolate;
    transform-style:preserve-3d;
    transform:perspective(900px) rotateX(var(--tiltY)) rotateY(var(--tiltX));
    animation:founder-card-in .7s cubic-bezier(.2,.8,.2,1) both, fx-aura-breathe 4s ease-in-out infinite;
    transition:box-shadow .3s ease, border-color .3s ease, transform .12s ease-out;
  }
  @keyframes fx-aura-breathe{
    0%,100%{ box-shadow:0 24px 60px -15px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.08) inset; }
    50%{ box-shadow:0 28px 64px -15px rgba(0,0,0,0.75), 0 0 0 1px rgba(255,255,255,0.12) inset; }
  }
  .profile-sidebar::before,
  .profile-sidebar::after,
  .profile-sidebar .fx-laser,
  .profile-fx-particles{
    display:none !important;
  }
  .profile-sidebar.collapsed:hover{
    border-color:rgba(255,255,255,0.25);
    box-shadow:0 24px 50px -15px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.12) inset;
    transform:translateY(-1px);
  }
  .profile-sidebar.expanded:hover{
    border-color:rgba(255,255,255,0.22);
  }
  .profile-sidebar.expanded{
    box-shadow:0 30px 70px -18px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.08) inset;
  }

  /* ---- banner ---- */
  .profile-banner{
    position:relative;
    padding:32px 26px 26px 156px;
    min-height:144px;
    display:flex; flex-direction:column; justify-content:center;
    z-index:1;
    overflow:hidden;
    transition:padding .3s ease, min-height .3s ease;
  }
  .profile-banner::before{
    content:"";
    position:absolute; inset:0;
    background:
      radial-gradient(circle at 6% 10%, var(--fx-glow-cyan), transparent 45%),
      radial-gradient(ellipse 90% 70% at 100% 0%, rgba(160,107,255,0.16), transparent 55%);
    opacity:0.6;
    pointer-events:none;
  }
  .profile-banner::after{
    content:"";
    position:absolute; top:16px; right:18px;
    width:22px; height:22px;
    border-top:1.5px solid var(--fx-cyan);
    border-right:1.5px solid var(--fx-cyan);
    opacity:0.65;
    filter:drop-shadow(0 0 4px var(--fx-glow-cyan));
    pointer-events:none;
  }
  .profile-banner .corner-bl{
    content:"";
    position:absolute; bottom:12px; left:12px;
    width:16px; height:16px;
    border-bottom:1.5px solid var(--fx-violet);
    border-left:1.5px solid var(--fx-violet);
    opacity:0.5;
    filter:drop-shadow(0 0 4px var(--fx-glow-violet));
    pointer-events:none;
  }
  .profile-banner .banner-sheen{
    position:absolute; inset:0;
    background:linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.14) 48%, transparent 56%);
    background-size:220% 220%;
    background-position:-140% -140%;
    animation:banner-sheen-sweep 6.5s ease-in-out infinite;
    pointer-events:none;
  }
  @keyframes banner-sheen-sweep{
    0%,60%{ background-position:-140% -140%; }
    100%{ background-position:140% 140%; }
  }

  /* ---- avatar: holographic ring ---- */
  .profile-avatar-wrap{
    position:absolute; left:28px; top:50%; transform:translateY(-50%);
    width:108px; height:108px; border-radius:50%;
    background:linear-gradient(135deg, var(--fx-cyan), var(--fx-violet));
    display:flex; align-items:center; justify-content:center;
    font-size:2.5rem; color:#04101c; font-weight:700;
    font-family:'Space Grotesk', sans-serif;
    border:3px solid rgba(10,12,22,0.9);
    box-shadow:0 0 0 3px rgba(79,232,255,0.14), 0 18px 38px -10px rgba(0,0,0,0.75);
    overflow:visible;
    z-index:1;
  }
  .profile-avatar-wrap::before{
    content:"";
    position:absolute; inset:-6px;
    border-radius:50%;
    background:rgba(10,12,22,0.92);
    box-shadow:0 0 0 2px var(--fx-glow-cyan), 0 0 20px 4px rgba(79,232,255,0.2);
    z-index:-1;
    animation:avatar-pulse 3.2s ease-in-out infinite;
  }
  .profile-avatar-wrap::after{
    content:"";
    position:absolute; inset:-12px;
    border-radius:50%;
    background:conic-gradient(from 0deg, var(--fx-cyan), var(--fx-violet) 30%, transparent 55%, transparent 75%, var(--fx-cyan));
    opacity:0.7;
    z-index:-3;
    animation:avatar-halo-spin 6s linear infinite;
    -webkit-mask:radial-gradient(farthest-side, transparent calc(100% - 2.4px), #fff calc(100% - 2.4px));
    mask:radial-gradient(farthest-side, transparent calc(100% - 2.4px), #fff calc(100% - 2.4px));
  }
  @keyframes avatar-halo-spin{ to{ transform:rotate(360deg); } }
  @keyframes avatar-pulse{
    0%,100%{ box-shadow:0 0 0 2px var(--fx-glow-cyan), 0 0 16px 2px rgba(79,232,255,0.18); }
    50%{ box-shadow:0 0 0 2px var(--fx-cyan), 0 0 26px 6px var(--fx-glow-cyan); }
  }
  .profile-avatar-clip{
    position:relative; width:100%; height:100%; border-radius:50%; overflow:hidden;
    display:flex; align-items:center; justify-content:center;
  }
  .profile-avatar-clip::after{
    content:""; position:absolute; inset:0; border-radius:50%;
    box-shadow:inset 0 0 16px rgba(0,0,0,0.5);
    pointer-events:none;
  }
  .profile-avatar-img{ width:100%; height:100%; object-fit:cover; border-radius:50%; display:block; }
  #profileAvatarFallback{ display:flex; align-items:center; justify-content:center; width:100%; height:100%; }
  .profile-avatar-edit{
    position:absolute; right:-2px; bottom:-2px;
    width:30px; height:30px; border-radius:50%;
    background:rgba(10,12,22,0.9); border:1px solid var(--fx-cyan); color:var(--fx-cyan);
    font-size:0.78rem; cursor:pointer; transition:all .15s ease;
    box-shadow:0 0 8px var(--fx-glow-cyan);
  }
  .profile-avatar-edit:hover{ border-color:#fff; box-shadow:0 0 14px var(--fx-glow-cyan); transform:scale(1.08); }

  .profile-level-badge{
    position:absolute; left:-4px; bottom:-4px;
    min-width:26px; height:26px; padding:0 6px;
    border-radius:999px;
    background:linear-gradient(135deg, var(--fx-cyan), var(--fx-violet));
    border:2px solid rgba(10,12,22,0.9);
    color:#04101c;
    display:flex; align-items:center; justify-content:center;
    font-family:'Space Grotesk', sans-serif; font-weight:700; font-size:0.7rem;
    box-shadow:0 0 12px var(--fx-glow-cyan), 0 4px 8px rgba(0,0,0,0.55);
    z-index:2;
  }
  .profile-level-badge::after{
    content:"";
    position:absolute; inset:-6px; border-radius:999px;
    border:1.5px solid var(--fx-cyan);
    opacity:0; animation:fx-badge-ring 2.4s ease-out infinite;
    pointer-events:none;
  }
  @keyframes fx-badge-ring{
    0%{ opacity:0.75; transform:scale(0.75); }
    100%{ opacity:0; transform:scale(1.7); }
  }
  .profile-est-seal{
    position:absolute; right:-8px; top:-8px;
    width:36px; height:36px; border-radius:50%;
    background:radial-gradient(circle at 35% 30%, rgba(30,34,54,0.95), rgba(10,12,22,0.95));
    border:1px solid var(--fx-cyan);
    color:var(--fx-cyan);
    display:flex; align-items:center; justify-content:center;
    font-family:'Space Grotesk', sans-serif; font-weight:700; font-size:0.4rem;
    letter-spacing:0.02em; line-height:1.15; text-align:center;
    box-shadow:0 0 10px var(--fx-glow-cyan), 0 3px 8px rgba(0,0,0,0.5);
    z-index:2;
  }
  .profile-verified{ width:18px; height:18px; flex:0 0 auto; filter:drop-shadow(0 0 5px var(--fx-glow-cyan)); }

  /* ---- eyebrow / founder tag ---- */
  .profile-eyebrow-row{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin-bottom:8px; position:relative; z-index:1; }
  .profile-eyebrow{
    font-family:'Space Grotesk', sans-serif;
    font-size:0.64rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--fx-cyan);
    font-weight:600;
    display:inline-flex; align-items:center; gap:6px;
    padding:4px 12px 4px 9px;
    border:1px solid rgba(79,232,255,0.35);
    border-radius:999px;
    background:linear-gradient(90deg, rgba(79,232,255,0.14), rgba(160,107,255,0.06));
    box-shadow:0 0 12px -2px var(--fx-glow-cyan);
    width:max-content; max-width:100%; box-sizing:border-box; white-space:nowrap;
  }
  .profile-eyebrow .rank-dot{
    width:6px; height:6px; border-radius:50%;
    background:var(--fx-cyan);
    box-shadow:0 0 8px var(--fx-glow-cyan);
    flex:0 0 auto;
    animation:fx-dot-pulse 2s ease-in-out infinite;
  }
  @keyframes fx-dot-pulse{ 0%,100%{ opacity:0.6; transform:scale(0.85); } 50%{ opacity:1; transform:scale(1.15); } }

  .profile-founder-tag{
    font-family:'Space Grotesk', sans-serif;
    font-size:0.62rem; letter-spacing:0.09em; text-transform:uppercase; font-weight:700;
    display:inline-flex; align-items:center; gap:5px;
    padding:4px 11px 4px 9px;
    border-radius:999px;
    color:#04101c;
    background:linear-gradient(120deg, var(--fx-cyan), var(--fx-violet));
    box-shadow:0 0 14px var(--fx-glow-violet);
    white-space:nowrap;
  }
  .profile-founder-tag span{ font-size:0.68rem; }
  .profile-founder-line{
    font-family:'Space Grotesk', sans-serif;
    font-size:0.68rem; letter-spacing:0.03em;
    color:var(--fx-ink-dim); margin-top:3px; opacity:0.9;
    position:relative; z-index:1;
  }
  .profile-sidebar.collapsed .profile-founder-tag,
  .profile-sidebar.collapsed .profile-founder-line{ display:none; }

  /* ---- name ---- */
  .profile-name-row{ display:flex; align-items:center; gap:9px; position:relative; z-index:1; }
  .profile-name{
    position:relative;
    font-family:'Orbitron', 'Space Grotesk', sans-serif;
    font-weight:700; font-style:normal; font-size:1.9rem; letter-spacing:0.015em;
    margin:0;
    background:linear-gradient(100deg, var(--fx-ink) 16%, var(--fx-cyan) 40%, var(--fx-violet) 54%, var(--fx-pink) 66%, var(--fx-ink) 84%);
    background-size:250% auto;
    -webkit-background-clip:text; background-clip:text; color:transparent;
    animation:shimmer 6s ease-in-out infinite;
    filter:drop-shadow(0 0 18px rgba(255,209,102,0.35));
    transition:filter .2s ease;
  }

  .profile-substats{ font-size:0.82rem; color:var(--fx-ink-dim); margin-top:9px; letter-spacing:0.01em; position:relative; z-index:1; }

  /* ---- xp / progress ---- */
  .profile-xp-track{
    position:relative; z-index:1;
    margin-top:12px; width:100%; max-width:260px; height:7px; border-radius:999px;
    background:rgba(255,255,255,0.06); overflow:hidden;
    box-shadow:inset 0 1px 3px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.04);
  }
  .profile-xp-fill{
    position:relative; height:100%; width:0%; border-radius:999px;
    background:linear-gradient(90deg, var(--fx-violet), var(--fx-cyan));
    box-shadow:0 0 12px var(--fx-glow-cyan);
    transition:width .6s ease;
  }
  .profile-xp-fill::after{
    content:""; position:absolute; top:0; right:0; bottom:0; width:12px;
    background:radial-gradient(circle, #fff 0%, transparent 70%);
    opacity:0.9;
  }
  .profile-xp-label{ margin-top:7px; font-size:0.62rem; letter-spacing:0.04em; color:var(--fx-ink-dim); max-width:260px; position:relative; z-index:1; }
  .profile-xp-label b{ color:var(--fx-cyan); font-weight:600; }
  .profile-sidebar.collapsed .profile-xp-track,
  .profile-sidebar.collapsed .profile-xp-label{ display:none; }

  /* ---- stats grid: glass tiles ---- */
  .profile-card .stats-grid{ grid-template-columns:repeat(2, 1fr); padding:22px 24px 26px; margin-bottom:0; gap:12px; position:relative; z-index:1; }
  .profile-card .stat-tile{
    padding:18px 12px 14px;
    background:linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.015) 60%);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,0.09);
    border-top:2px solid color-mix(in srgb, var(--tile-accent, var(--fx-cyan)) 70%, transparent);
    border-radius:12px;
    position:relative;
    overflow:hidden;
    transition:all .22s ease;
  }
  .profile-card .stat-tile-icon{
    font-size:0.85rem; margin-bottom:8px; opacity:0.95;
    display: flex; align-items: center; justify-content: center;
    filter:drop-shadow(0 0 8px color-mix(in srgb, var(--tile-accent, var(--fx-cyan)) 75%, transparent));
  }
  .profile-card .stat-tile-icon .pk-icon{
    width: 22px;
    height: 22px;
    stroke: var(--tile-accent, #ffd166);
    filter: drop-shadow(0 0 6px var(--tile-accent, #ffd166));
  }
  .profile-card .stat-tile::before{
    content:"";
    position:absolute; top:0; left:12%; right:12%; height:1px;
    background:linear-gradient(90deg, transparent, var(--tile-accent, var(--fx-cyan)), transparent);
    opacity:0.55; transition:opacity .2s ease;
  }
  .profile-card .stat-tile::after{
    content:"";
    position:absolute; top:0; left:-60%; width:40%; height:100%;
    background:linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
    transform:skewX(-18deg);
    animation:fx-tile-sweep 4.5s ease-in-out infinite;
    animation-delay:var(--tile-delay, 0s);
    pointer-events:none;
  }
  @keyframes fx-tile-sweep{
    0%,20%{ left:-60%; }
    60%,100%{ left:130%; }
  }
  .profile-card .stat-tile:hover{
    border-color:color-mix(in srgb, var(--tile-accent, var(--fx-cyan)) 65%, rgba(255,255,255,0.08));
    box-shadow:0 12px 30px -8px rgba(0,0,0,0.55), 0 0 28px color-mix(in srgb, var(--tile-accent, var(--fx-cyan)) 55%, transparent);
    transform:translateY(-4px) scale(1.025);
  }
  .profile-card .stat-tile:hover::before{ opacity:1; }
  .profile-card .stat-tile-val{
    font-family:'Space Grotesk', sans-serif;
    font-size:1.5rem;
    text-shadow:0 0 14px rgba(79,232,255,0.25);
  }
  .profile-name{ text-shadow:none; }

  /* ================= layout: always-on profile sidebar (left) ================= */
  .profile-sidebar.collapsed .profile-eyebrow,
  .profile-sidebar.collapsed .profile-eyebrow-row,
  .profile-sidebar.collapsed .profile-substats,
  .profile-sidebar.collapsed .stats-grid,
  .profile-sidebar.collapsed .profile-credit,
  .profile-sidebar.collapsed .profile-name-edit,
  .profile-sidebar.collapsed .profile-avatar-edit{
    display:none;
  }
  .profile-made-by{
    display:none;
    font-family:'Space Grotesk', sans-serif;
    font-size:0.56rem;
    letter-spacing:0.06em;
    color:var(--fx-ink-dim);
    white-space:nowrap;
    opacity:0.8;
    position:relative; z-index:1;
  }
  .profile-sidebar.collapsed .profile-made-by{
    display:block;
    flex:0 0 auto;
    margin-left:8px;
  }
  .profile-sidebar.collapsed .profile-banner{
    display:flex; flex-direction:row; align-items:center; gap:12px;
    padding:12px 18px 12px 12px;
    min-height:0;
  }
  .profile-sidebar.collapsed .profile-avatar-wrap{
    position:relative; left:0; top:0; transform:none;
    width:48px; height:48px; font-size:1.15rem;
    flex:0 0 auto;
  }
  .profile-sidebar.collapsed .profile-avatar-wrap::after{ display:none; }
  .profile-sidebar.collapsed .profile-avatar-wrap::before{ inset:-3px; }
  .profile-sidebar.collapsed .profile-level-badge{ display:none; }
  .profile-sidebar.collapsed .banner-sheen{ display:none; }
  .profile-sidebar.collapsed .profile-name-row{ flex:1 1 auto; min-width:0; }
  .profile-sidebar.collapsed .profile-name{
    font-size:1.05rem;
    overflow:hidden; text-overflow:ellipsis; white-space:nowrap; display:block;
  }
  .profile-sidebar.expanded .profile-avatar-edit,
  .profile-sidebar.expanded .profile-name-edit{ cursor:pointer; }
  .profile-expand-hint{
    flex:0 0 auto;
    font-size:0.95rem; color:var(--fx-cyan); opacity:0.8;
    display:none;
    transition:color .3s ease, transform .2s ease;
    position:relative; z-index:1;
  }
  .profile-sidebar.collapsed .profile-expand-hint{ display:block; }
  .profile-sidebar.collapsed:hover .profile-expand-hint{ transform:translateX(3px); }



  /* ---- credit footer ---- */
  .profile-credit{
    padding:13px 18px 17px;
    font-size:0.64rem;
    letter-spacing:0.06em;
    color:var(--fx-ink-dim);
    border-top:1px solid rgba(255,255,255,0.07);
    text-align:center;
    background:linear-gradient(180deg, transparent, rgba(0,0,0,0.18));
    position:relative; z-index:1;
    cursor:pointer;
    transition:color .2s ease;
  }
  .profile-credit:hover{ color:var(--fx-ink); }
  .profile-credit.is-km{
    font-family:'Noto Sans Khmer','Noto Serif Khmer', sans-serif;
    font-style:normal;
    letter-spacing:0.01em;
    line-height:1.7;
  }
  .profile-credit-toggle{
    display:block; margin-top:5px;
    font-family:'Noto Sans Khmer','Noto Serif Khmer', sans-serif; font-style:normal;
    font-size:0.58rem; letter-spacing:0.02em;
    color:var(--fx-cyan); opacity:0.7;
    transition:opacity .2s ease;
  }
  .profile-credit:hover .profile-credit-toggle{ opacity:1; }
  .profile-credit.is-km .profile-credit-toggle{ font-family:'JetBrains Mono', monospace; }
  .profile-credit::before{
    content:"◆";
    display:block;
    color:var(--fx-cyan);
    font-size:0.62rem;
    margin-bottom:5px;
    opacity:0.85;
    filter:drop-shadow(0 0 5px var(--fx-glow-cyan));
  }


  /* ---- site footer / two-tier studio command deck ---- */
  .site-footer{
    width:100%;
    box-sizing:border-box;
    margin-top:42px;
    padding:20px 18px 36px;
    border-top:none;
    background:transparent;
    position:relative;
    container-type:inline-size;
  }
  /* subtle luxury top divider line that smoothly fades out to sides */
  .site-footer::before{
    content:"";
    position:absolute;
    top:0;
    left:50%;
    transform:translateX(-50%);
    width:min(86vw, 800px);
    height:1px;
    background:linear-gradient(90deg, transparent 0%, rgba(56, 189, 248, 0.22) 22%, rgba(255, 209, 102, 0.4) 50%, rgba(56, 189, 248, 0.22) 78%, transparent 100%);
    pointer-events:none;
  }

  /* Two-Tier Frosted Glass Command Deck (aligned with center keyboard column) */
  .site-footer-inner{
    max-width:800px;
    width:100%;
    box-sizing:border-box;
    margin:0 auto;
    padding:12px 14px;
    display:flex;
    flex-direction:column;
    gap:10px;
    position:relative;
    overflow:hidden;
    background:linear-gradient(135deg, rgba(13, 18, 34, 0.9) 0%, rgba(8, 11, 22, 0.95) 100%);
    backdrop-filter:blur(22px) saturate(150%);
    -webkit-backdrop-filter:blur(22px) saturate(150%);
    border:1px solid rgba(255, 255, 255, 0.14);
    border-radius:18px;
    box-shadow:0 18px 44px -10px rgba(0,0,0,0.75), 0 0 0 1px rgba(255, 209, 102, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.16);
    transition:border-color .25s ease, box-shadow .25s ease, transform .25s ease;
  }
  .site-footer-inner::before{
    content:"";
    position:absolute;
    top:0;
    left:12%;
    right:12%;
    height:1.5px;
    background:linear-gradient(90deg, transparent 0%, rgba(255, 209, 102, 0.58) 35%, rgba(56, 189, 248, 0.5) 65%, transparent 100%);
    pointer-events:none;
  }
  .site-footer-inner:hover{
    border-color:rgba(255, 209, 102, 0.3);
    box-shadow:0 22px 52px -10px rgba(0,0,0,0.82), 0 0 28px rgba(255, 209, 102, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  }

  /* Top Tier: Brand Crest & Creator Lockup (Left) + Studio Version & Language Switcher (Right) */
  .site-footer-top-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    width:100%;
    padding-bottom:10px;
    border-bottom:1px solid rgba(255, 255, 255, 0.09);
  }

  .site-footer-credit-badge{
    display:inline-flex;
    align-items:center;
    gap:11px;
    user-select:none;
    min-width:0;
  }
  .site-footer-brand-crest{
    width:38px;
    height:38px;
    border-radius:11px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
    background:radial-gradient(circle at 30% 25%, rgba(255, 209, 102, 0.26), rgba(13, 19, 36, 0.96) 75%);
    border:1px solid rgba(255, 209, 102, 0.4);
    box-shadow:0 4px 12px rgba(0,0,0,0.45), 0 0 14px rgba(255, 209, 102, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.24);
    transition:transform .22s cubic-bezier(.22,1,.36,1), border-color .22s ease, box-shadow .22s ease;
  }
  .site-footer-inner:hover .site-footer-brand-crest{
    border-color:rgba(255, 209, 102, 0.62);
    box-shadow:0 6px 16px rgba(0,0,0,0.5), 0 0 18px rgba(255, 209, 102, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transform:scale(1.03);
  }
  .site-footer-brand-crest img{
    width:22px;
    height:22px;
    display:block;
    filter:drop-shadow(0 0 6px rgba(255, 209, 102, 0.38));
  }
  .site-footer-brand-copy{
    display:flex;
    flex-direction:column;
    gap:3px;
    text-align:left;
    min-width:0;
  }
  .site-footer-brand-title-row{
    display:inline-flex;
    align-items:center;
    gap:6px;
    flex-wrap:wrap;
  }
  .site-footer-brand-name{
    font-family:'Space Grotesk', -apple-system, sans-serif;
    font-size:0.84rem;
    font-weight:700;
    letter-spacing:0.015em;
    color:#ffffff;
    line-height:1.15;
    white-space:nowrap;
  }
  .site-footer-brand-sep{
    color:rgba(255, 209, 102, 0.65);
    font-weight:700;
    font-size:0.8rem;
    line-height:1;
  }
  .site-footer-credit{
    font-family:'Space Grotesk', 'Kantumruy Pro', -apple-system, sans-serif;
    font-size:0.75rem;
    letter-spacing:0.015em;
    color:rgba(226, 232, 240, 0.88);
    font-weight:600;
    line-height:1.15;
    white-space:nowrap;
  }
  .site-footer-brand-sub{
    font-family:'Space Grotesk', 'Kantumruy Pro', -apple-system, sans-serif;
    font-size:0.65rem;
    letter-spacing:0.025em;
    color:rgba(148, 163, 184, 0.85);
    font-weight:500;
    line-height:1.15;
    white-space:nowrap;
  }

  .site-footer-top-controls{
    display:inline-flex;
    align-items:center;
    gap:8px;
    flex-shrink:0;
  }

  .site-footer-live-pill,
  .site-footer-live-pill.site-footer-version-tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4.5px 10px 4.5px 8px !important;
    margin-left:0 !important;
    border-radius:999px;
    background:linear-gradient(135deg, rgba(255, 209, 102, 0.16), rgba(255, 157, 46, 0.06));
    border:1px solid rgba(255, 209, 102, 0.38);
    cursor:pointer;
    transition:all .18s ease;
  }
  .site-footer-live-pill:hover,
  .site-footer-live-pill.site-footer-version-tag:hover{
    background:linear-gradient(135deg, rgba(255, 209, 102, 0.28), rgba(255, 157, 46, 0.15));
    border-color:var(--gold-bright, #ffd166);
    box-shadow:0 0 14px rgba(255, 209, 102, 0.34);
    transform:translateY(-1px);
  }
  .site-footer-live-dot{
    width:6.5px;
    height:6.5px;
    border-radius:50%;
    background:var(--gold-bright, #ffd166);
    box-shadow:0 0 8px var(--gold-bright, #ffd166);
    flex-shrink:0;
    position:relative;
    animation:footerLiveDotPulse 2.6s ease-in-out infinite;
  }
  @keyframes footerLiveDotPulse{
    0%, 100%{ transform:scale(1); opacity:1; }
    50%{ transform:scale(1.22); opacity:0.78; }
  }
  .site-footer-live-dot::after{
    content:"";
    position:absolute;
    inset:-3px;
    border-radius:50%;
    background:radial-gradient(circle, color-mix(in srgb, var(--gold-bright, #ffd166) 40%, transparent), transparent 70%);
  }
  .site-footer-live-text{
    font-family:'JetBrains Mono', monospace;
    font-size:0.6rem;
    font-weight:700;
    letter-spacing:0.05em;
    color:var(--gold-bright, #ffd166);
    line-height:1;
    white-space:nowrap;
  }

  /* Bottom Tier: 5 Evenly Distributed Navigation Capsules */
  .site-footer-actions{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:7px;
    width:100%;
    flex-wrap:nowrap;
  }

  .site-footer-divider{
    display:none;
  }

  /* Tactile Interactive Capsule Link / Button */
  .site-footer-link{
    flex:1 1 0;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    padding:7px 10px;
    border-radius:11px;
    font-family:'Space Grotesk', 'Kantumruy Pro', -apple-system, sans-serif;
    font-size:0.71rem;
    letter-spacing:0.015em;
    font-weight:600;
    color:rgba(241, 245, 249, 0.9);
    background:linear-gradient(180deg, rgba(255, 255, 255, 0.065) 0%, rgba(255, 255, 255, 0.025) 100%);
    border:1px solid rgba(255, 255, 255, 0.12);
    text-decoration:none;
    white-space:nowrap;
    cursor:pointer;
    box-shadow:0 3px 8px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.09);
    transition:all .18s cubic-bezier(.22,1,.36,1);
  }
  .site-footer-link:hover{
    background:rgba(255, 255, 255, 0.11);
    border-color:rgba(255, 255, 255, 0.28);
    color:#ffffff;
    transform:translateY(-1.5px);
    box-shadow:0 6px 14px rgba(0,0,0,0.32), inset 0 1px 0 rgba(255,255,255,0.14);
  }
  .site-footer-link#siteAboutFooterLink .site-footer-link-icon{
    color:#ffd166;
  }
  .site-footer-link#siteAboutFooterLink:hover{
    background:rgba(255, 209, 102, 0.13);
    border-color:rgba(255, 209, 102, 0.48);
    color:#ffffff;
    box-shadow:0 6px 16px rgba(255, 209, 102, 0.22);
  }
  .site-footer-link#siteAboutFooterLink:hover .site-footer-link-icon{
    color:var(--gold-bright, #ffd166);
    filter:drop-shadow(0 0 6px rgba(255, 209, 102, 0.65));
  }
  .site-footer-link#siteDashboardFooterLink .site-footer-link-icon{
    color:#38bdf8;
  }
  .site-footer-link#siteDashboardFooterLink:hover{
    background:rgba(56, 189, 248, 0.13);
    border-color:rgba(56, 189, 248, 0.48);
    color:#ffffff;
    box-shadow:0 6px 16px rgba(56, 189, 248, 0.22);
  }
  .site-footer-link#siteDashboardFooterLink:hover .site-footer-link-icon{
    color:#38bdf8;
    filter:drop-shadow(0 0 6px rgba(56, 189, 248, 0.65));
  }
  .site-footer-link#siteDocsFooterLink .site-footer-link-icon{
    color:#34d399;
  }
  .site-footer-link#siteDocsFooterLink:hover{
    background:rgba(52, 211, 153, 0.12);
    border-color:rgba(52, 211, 153, 0.45);
    color:#ffffff;
    box-shadow:0 6px 16px rgba(52, 211, 153, 0.2);
  }
  .site-footer-link#siteDocsFooterLink:hover .site-footer-link-icon{
    color:#34d399;
    filter:drop-shadow(0 0 6px rgba(52, 211, 153, 0.6));
  }
  .site-footer-link#siteFacebookLink .site-footer-link-icon{
    color:#60a5fa;
  }
  .site-footer-link#siteFacebookLink:hover{
    background:rgba(24, 119, 242, 0.15);
    border-color:rgba(24, 119, 242, 0.5);
    color:#ffffff;
    box-shadow:0 6px 16px rgba(24, 119, 242, 0.25);
  }
  .site-footer-link#siteFacebookLink:hover .site-footer-link-icon{
    color:#1877f2;
    filter:drop-shadow(0 0 6px rgba(24, 119, 242, 0.6));
  }
  .site-footer-link#siteDevNoteBtn .site-footer-link-icon{
    color:#c084fc;
  }
  .site-footer-link#siteDevNoteBtn:hover{
    background:rgba(192, 132, 252, 0.13);
    border-color:rgba(192, 132, 252, 0.48);
    color:#ffffff;
    box-shadow:0 6px 16px rgba(192, 132, 252, 0.24);
  }
  .site-footer-link#siteDevNoteBtn:hover .site-footer-link-icon{
    color:#c084fc;
    filter:drop-shadow(0 0 6px rgba(192, 132, 252, 0.65));
  }
  .site-footer-link-icon{
    width:14px;
    height:14px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
    color:rgba(203, 213, 225, 0.85);
    transition:transform .18s ease, color .18s ease, filter .18s ease;
  }
  .site-footer-link:hover .site-footer-link-icon{
    transform:scale(1.1);
  }

  /* Bi-lingual Language Switcher Capsule */
  .site-lang-toggle{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:4.5px 12px 4.5px 5.5px;
    font-family:'Space Grotesk', 'Kantumruy Pro', -apple-system, sans-serif;
    font-size:0.71rem;
    letter-spacing:0.015em;
    font-weight:700;
    color:#fef3c7;
    background:linear-gradient(135deg, rgba(255, 209, 102, 0.15), rgba(255, 157, 46, 0.06));
    border:1px solid rgba(255, 209, 102, 0.38);
    border-radius:999px;
    white-space:nowrap;
    cursor:pointer;
    box-shadow:0 3px 10px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255, 255, 255, 0.18);
    transition:all .18s cubic-bezier(.22,1,.36,1);
  }
  .site-lang-toggle:hover{
    border-color:var(--gold-bright, #ffd166);
    background:linear-gradient(135deg, rgba(255, 209, 102, 0.26), rgba(255, 157, 46, 0.14));
    color:#ffffff;
    transform:translateY(-1.5px);
    box-shadow:0 6px 18px rgba(0,0,0,0.35), 0 0 14px rgba(255, 209, 102, 0.28);
  }
  .site-lang-toggle[aria-pressed="true"]{
    background:linear-gradient(135deg, rgba(56, 189, 248, 0.16), rgba(14, 165, 233, 0.06));
    border-color:rgba(56, 189, 248, 0.45);
    color:#ffffff;
  }
  .site-lang-toggle[aria-pressed="true"]:hover{
    border-color:#38bdf8;
    color:#38bdf8;
    box-shadow:0 6px 18px rgba(0,0,0,0.35), 0 0 14px rgba(56, 189, 248, 0.35);
  }
  .site-lang-toggle-icon{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:21px;
    height:21px;
    border-radius:50%;
    font-family:'Noto Sans Khmer', 'Space Grotesk', sans-serif;
    font-size:0.74rem;
    font-weight:700;
    background:var(--gold-bright, #ffd166);
    color:#1a1005;
    box-shadow:0 0 10px rgba(255, 209, 102, 0.55);
    flex-shrink:0;
    transition:transform .18s ease, background .2s ease, color .2s ease;
  }
  .site-lang-toggle:hover .site-lang-toggle-icon{
    transform:scale(1.08) rotate(4deg);
  }
  .site-lang-toggle[aria-pressed="true"] .site-lang-toggle-icon{
    background:#38bdf8;
    color:#04101c;
    box-shadow:0 0 10px rgba(56, 189, 248, 0.55);
  }

  /* High contrast theme rules for light & sepia footers */
  html.theme-light .site-footer::before {
    background: linear-gradient(90deg, transparent 0%, rgba(15, 23, 42, 0.12) 25%, rgba(15, 23, 42, 0.12) 75%, transparent 100%);
  }
  html.theme-light .site-footer-inner {
    background: rgba(255, 255, 255, 0.94) !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    box-shadow: 0 12px 32px -8px rgba(15, 23, 42, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.95) !important;
  }
  html.theme-light .site-footer-top-row {
    border-bottom-color: rgba(15, 23, 42, 0.08) !important;
  }
  html.theme-light .site-footer-brand-name {
    color: #0f172a !important;
  }
  html.theme-light .site-footer-credit {
    color: #334155 !important;
  }
  html.theme-light .site-footer-brand-sub {
    color: #64748b !important;
  }
  html.theme-light .site-footer-brand-crest {
    background: #0f172a !important;
    border-color: rgba(15, 23, 42, 0.2) !important;
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.12) !important;
  }
  html.theme-light .site-footer-live-pill {
    background: rgba(15, 23, 42, 0.06) !important;
    border-color: rgba(15, 23, 42, 0.15) !important;
  }
  html.theme-light .site-footer-live-text {
    color: #0f172a !important;
  }
  html.theme-light .site-footer-link {
    background: rgba(15, 23, 42, 0.04) !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
    color: #334155 !important;
  }
  html.theme-light .site-footer-link-icon {
    color: #475569 !important;
  }
  html.theme-light .site-footer-link:hover {
    background: rgba(15, 23, 42, 0.08) !important;
    border-color: rgba(15, 23, 42, 0.22) !important;
    color: #0f172a !important;
  }
  html.theme-light .site-lang-toggle {
    background: rgba(15, 23, 42, 0.06) !important;
    border-color: rgba(15, 23, 42, 0.15) !important;
    color: #0f172a !important;
  }
  html.theme-light .site-lang-toggle:hover {
    border-color: #0f172a !important;
    background: rgba(15, 23, 42, 0.1) !important;
  }
  html.theme-light .site-lang-toggle-icon {
    background: #0f172a !important;
    color: #ffffff !important;
    box-shadow: none !important;
  }

  html.theme-sepia .site-footer::before {
    background: linear-gradient(90deg, transparent 0%, rgba(74, 52, 33, 0.15) 25%, rgba(74, 52, 33, 0.15) 75%, transparent 100%);
  }
  html.theme-sepia .site-footer-inner {
    background: rgba(250, 245, 236, 0.94) !important;
    border: 1px solid rgba(204, 188, 158, 0.8) !important;
    box-shadow: 0 12px 32px -8px rgba(44, 27, 12, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.95) !important;
  }
  html.theme-sepia .site-footer-top-row {
    border-bottom-color: rgba(74, 52, 33, 0.12) !important;
  }
  html.theme-sepia .site-footer-brand-name {
    color: #2c1b0c !important;
  }
  html.theme-sepia .site-footer-credit {
    color: #4a3421 !important;
  }
  html.theme-sepia .site-footer-brand-sub {
    color: #7a5c34 !important;
  }
  html.theme-sepia .site-footer-brand-crest {
    background: #3b2816 !important;
    border-color: rgba(74, 52, 33, 0.35) !important;
    box-shadow: 0 3px 8px rgba(44, 27, 12, 0.15) !important;
  }
  html.theme-sepia .site-footer-live-pill {
    background: rgba(74, 52, 33, 0.08) !important;
    border-color: rgba(74, 52, 33, 0.2) !important;
  }
  html.theme-sepia .site-footer-live-text {
    color: #4a3421 !important;
  }
  html.theme-sepia .site-footer-link {
    background: rgba(74, 52, 33, 0.05) !important;
    border-color: rgba(74, 52, 33, 0.15) !important;
    color: #4a3421 !important;
  }
  html.theme-sepia .site-footer-link-icon {
    color: #5c4228 !important;
  }
  html.theme-sepia .site-footer-link:hover {
    background: rgba(74, 52, 33, 0.1) !important;
    border-color: rgba(74, 52, 33, 0.3) !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .site-lang-toggle {
    background: rgba(74, 52, 33, 0.06) !important;
    border-color: rgba(74, 52, 33, 0.2) !important;
    color: #2c1b0c !important;
  }
  html.theme-sepia .site-lang-toggle:hover {
    border-color: #2c1b0c !important;
    background: rgba(74, 52, 33, 0.12) !important;
  }
  html.theme-sepia .site-lang-toggle-icon {
    background: #4a3421 !important;
    color: #faf5ec !important;
    box-shadow: none !important;
  }

  @media (min-width: 1380px) and (max-width: 1680px) {
    html:not(.focus-mode) .content {
      padding-right: 66px;
      box-sizing: border-box;
    }
  }

  @media (max-width: 720px) {
    .site-footer-top-row {
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 10px;
    }
    .site-footer-brand-copy {
      align-items: center;
      text-align: center;
    }
    .site-footer-brand-title-row {
      justify-content: center;
    }
    .site-footer-actions {
      flex-wrap: wrap;
      justify-content: center;
    }
    .site-footer-link {
      flex: 1 1 auto;
    }
  }

  /* Footer stays normal in normal themes; Transparent Glass theme styles it below */

  .dev-note-card{
    max-width:520px;
    position:relative;
    overflow-x:hidden;
    overflow-y:auto;
    border-color:rgba(255,209,102,0.28);
    box-shadow:0 30px 70px -20px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,209,102,0.08), 0 0 50px rgba(255,209,102,0.08);
    padding-top:30px;
    text-align:center;
    isolation:isolate;
  }
  .dev-note-card::before{
    content:"";
    position:absolute; inset:-2px; z-index:-1; pointer-events:none;
    border-radius:inherit;
    padding:2px;
    background:conic-gradient(from var(--dn-angle,0deg), transparent 0 60%, var(--gold-bright) 75%, var(--fx-pink) 82%, transparent 92%);
    -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite:xor; mask-composite:exclude;
    animation:dev-note-border-spin 6s linear infinite;
    opacity:0.85;
  }
  @keyframes dev-note-border-spin{ to{ --dn-angle:360deg; } }
  @property --dn-angle{ syntax:'<angle>'; inherits:false; initial-value:0deg; }
  .dev-note-scanline{
    position:absolute; left:0; right:0; height:70px; z-index:0; pointer-events:none;
    background:linear-gradient(180deg, transparent, rgba(255,209,102,0.10), transparent);
    animation:dev-note-scan 4.5s ease-in-out infinite;
  }
  @keyframes dev-note-scan{
    0%{ top:-70px; opacity:0; }
    10%{ opacity:1; }
    90%{ opacity:1; }
    100%{ top:100%; opacity:0; }
  }
  .dev-note-sparkle{
    position:absolute; z-index:1; pointer-events:none;
    color:var(--gold-bright);
    text-shadow:0 0 8px rgba(255,209,102,0.8);
    animation:dev-note-twinkle 2.6s ease-in-out infinite;
  }
  @keyframes dev-note-twinkle{
    0%,100%{ opacity:0.15; transform:scale(0.7); }
    50%{ opacity:1; transform:scale(1.15); }
  }
  .dev-note-glow{
    position:absolute; inset:0; pointer-events:none;
    background:radial-gradient(120% 80% at 50% -10%, rgba(255,209,102,0.18), transparent 60%);
    animation:dev-note-glow-pulse 5s ease-in-out infinite;
  }
  @keyframes dev-note-glow-pulse{
    0%,100%{ opacity:0.7; }
    50%{ opacity:1; }
  }
  .dev-note-corner{
    position:absolute; width:22px; height:22px; pointer-events:none; opacity:0.6; z-index:1;
    border:1.5px solid var(--gold-bright);
  }
  .dev-note-corner.tl{ top:12px; left:12px; border-right:none; border-bottom:none; }
  .dev-note-corner.br{ bottom:12px; right:12px; border-left:none; border-top:none; }
  .dev-note-close{
    position:absolute; top:16px; right:16px; z-index:2;
  }
  .dev-note-seal{
    position:relative; z-index:1;
    width:52px; height:52px; margin:0 auto 12px;
    border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:1.35rem;
    color:var(--gold-bright);
    background:radial-gradient(circle at 35% 30%, rgba(255,209,102,0.22), var(--stone-1) 72%);
    border:1px solid rgba(255,209,102,0.4);
    box-shadow:0 0 0 4px rgba(255,209,102,0.06), 0 0 22px rgba(255,209,102,0.28);
    animation:dev-note-seal-glow 3.4s ease-in-out infinite;
  }
  .dev-note-seal::before{
    content:"";
    position:absolute; inset:-8px; border-radius:50%;
    border:1px dashed rgba(255,209,102,0.45);
    animation:dev-note-ring-spin 9s linear infinite;
  }
  .dev-note-seal::after{
    content:"";
    position:absolute; inset:-14px; border-radius:50%;
    border:1px dotted rgba(255,59,86,0.3);
    animation:dev-note-ring-spin 14s linear infinite reverse;
  }
  @keyframes dev-note-ring-spin{ to{ transform:rotate(360deg); } }
  @keyframes dev-note-seal-glow{
    0%,100%{ box-shadow:0 0 0 4px rgba(255,209,102,0.06), 0 0 16px rgba(255,209,102,0.22); }
    50%{ box-shadow:0 0 0 6px rgba(255,209,102,0.1), 0 0 28px rgba(255,209,102,0.4); }
  }
  .dev-note-ps{
    position:relative; z-index:1;
    text-align:left;
    margin:4px 0 20px;
    padding:14px 16px;
    border-radius:12px;
    border:1px solid rgba(255,59,86,0.35);
    background:linear-gradient(135deg, rgba(255,59,86,0.08), rgba(255,209,102,0.05));
    box-shadow:inset 0 0 0 1px rgba(255,255,255,0.02), 0 0 24px rgba(255,59,86,0.08);
  }
  .dev-note-ps-tag{
    display:inline-flex; align-items:center; gap:6px;
    font-family:'Orbitron', sans-serif;
    font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--fx-pink);
    margin:0 0 8px;
  }
  .dev-note-ps-text{
    margin:0;
    font-size:0.85rem; line-height:1.7;
    color:var(--ink-dim);
  }
  .dev-note-card{ /* scrollbar-width: thin (handled via ::-webkit-scrollbar) */ }
  .dev-note-card::-webkit-scrollbar{ display:block; width:8px; }
  .dev-note-card::-webkit-scrollbar-thumb{
    background:linear-gradient(180deg, #fff0c2 0%, var(--gold-bright) 38%, var(--gold) 100%);
    border-radius:999px;
  }

  .dev-note-title{
    position:relative; z-index:1;
    font-family:'Orbitron', sans-serif;
    font-weight:700;
    font-size:1.35rem;
    letter-spacing:0.03em;
    margin:0 0 10px;
    text-align:center;
    background:linear-gradient(100deg, var(--ink) 30%, var(--gold-bright) 45%, var(--ink) 60%);
    background-size:250% auto;
    -webkit-background-clip:text; background-clip:text; color:transparent;
    animation:shimmer 7s ease-in-out infinite, title-flicker 3.4s ease-in-out infinite;
  }
  .dev-note-divider{
    position:relative; z-index:1;
    display:flex; align-items:center; gap:10px;
    margin:0 0 18px;
  }
  .dev-note-divider .line{
    flex:1; height:1px;
    background:linear-gradient(90deg, transparent, var(--stone-3), transparent);
  }
  .dev-note-divider .mark{
    color:var(--gold-bright);
    font-size:0.8rem;
    text-shadow:0 0 10px rgba(255,209,102,0.5);
  }
  .dev-note-text{
    position:relative; z-index:1;
    font-size:0.86rem; line-height:1.75;
    color:var(--ink-dim);
    text-align:left;
    margin:0 0 16px;
  }
  .dev-note-lead{
    font-family:'Cormorant Garamond', serif;
    font-style:italic;
    font-size:1rem;
    line-height:1.6;
    color:var(--ink);
  }
  .dev-note-footer{
    position:relative; z-index:1;
    display:flex; flex-direction:column; align-items:flex-end; gap:8px;
    margin:4px 0 22px;
  }
  .dev-note-badge{
    display:inline-flex; align-items:center; gap:6px;
    font-family:'JetBrains Mono', monospace;
    font-size:0.66rem; letter-spacing:0.04em;
    color:var(--gold-bright);
    background:rgba(255,209,102,0.1); border:1px solid rgba(255,209,102,0.28);
    padding:5px 11px; border-radius:999px;
  }
  .dev-note-signature{
    font-family:'Cormorant Garamond', serif;
    font-style:italic;
    font-size:0.92rem;
    color:var(--gold-bright);
    text-align:right;
    margin:0;
  }
  .dev-note-ack-btn{ width:100%; position:relative; z-index:1; }
  html.site-km-mode .dev-note-text{ line-height:1.9; }
  html.site-km-mode .dev-note-lead{ font-family:'Noto Serif Khmer', serif; font-style:normal; }
  html.site-km-mode .dev-note-signature{ font-family:'Noto Serif Khmer', serif; font-style:normal; }
  html.reduced-motion .dev-note-glow, [data-reduced-motion="true"] .dev-note-glow{ animation:none; }
  html.reduced-motion .dev-note-seal, [data-reduced-motion="true"] .dev-note-seal{ animation:none; }
  html.reduced-motion .dev-note-title, [data-reduced-motion="true"] .dev-note-title{ animation:none; }
  html.reduced-motion .dev-note-card::before, [data-reduced-motion="true"] .dev-note-card::before{ animation:none; }
  html.reduced-motion .dev-note-scanline, [data-reduced-motion="true"] .dev-note-scanline{ display:none; }
  html.reduced-motion .dev-note-sparkle, [data-reduced-motion="true"] .dev-note-sparkle{ animation:none; }
  html.reduced-motion .dev-note-seal::before, html.reduced-motion .dev-note-seal::after,
  [data-reduced-motion="true"] .dev-note-seal::before, [data-reduced-motion="true"] .dev-note-seal::after{ animation:none; }
  html.site-km-mode .i18n-t{
    font-family:'Noto Sans Khmer','Noto Serif Khmer', sans-serif;
    line-height:1.7;
  }

  /* ===== PERFORMANCE & CLEAN LOOK OVERRIDES (ZERO LAG) ===== */
  .motes, .torch, .scanline-overlay, .dev-note-scanline, .rune-ring, .ember, .ripple,
  .profile-sidebar, .horizon, .fx-laser, .banner-sheen, .profile-fx-particles {
    display: none !important;
    animation: none !important;
  }
  * {
    -webkit-tap-highlight-color: transparent;
  }
  body {
    background: #0d1117;
  }
  body::before {
    display: none !important;
  }
  .board {
    transform: none !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
  }
  html:not(.focus-mode):not(.focus-mode-growing):not(.focus-mode-shrinking) .board-wrap {
    transform: none;
  }
  .key {
    transition: background .08s ease !important;
    font-family: var(--khmer-font, 'Kantumruy Pro', 'Khmer OS Battambang', 'Khmer OS Siemreap', 'Noto Sans Khmer', sans-serif);
  }
  .key.pressed {
    transform: none !important;
    filter: brightness(1.2) !important;
  }
  .manuscript-text, .race-text, .trial-word, .lesson-char-row {
    font-family: var(--khmer-font, 'Kantumruy Pro', 'Khmer OS Battambang', 'Khmer OS Siemreap', 'Noto Sans Khmer', sans-serif);
  }
  .content {
    max-width: 1200px;
    margin: 0 auto;
  }


  /* PK Vector Icons */
  .pk-icon {
    display: inline-block;
    vertical-align: -0.2em;
    width: 1.15em;
    height: 1.15em;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
  }
  .toolbar button .pk-icon,
  .manuscript-label button .pk-icon {
    margin-right: 6px;
  }
  .top-actions button .pk-icon {
    margin-right: 0;
  }
  .lesson-strip-header .pk-icon {
    margin-right: 5px;
    color: var(--gold-bright);
  }
  .llh-chevron .pk-icon {
    margin-right: 0;
  }
  .lesson-card-lock .pk-icon,
  .lesson-card-best .pk-icon {
    margin-right: 2px;
  }


  /* ================= PK KHMER TYPE (h1) Glass Theme & Wallpaper ================= */
  html.theme-glass h1,
  body.has-custom-wallpaper h1,
  html.theme-light body.has-custom-wallpaper h1,
  html.theme-sepia body.has-custom-wallpaper h1 {
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.22) !important;
    border-radius: 16px;
    padding: 8px 24px;
    color: #ffffff !important;
    text-shadow: 0 0 18px rgba(255, 209, 102, 0.45), 0 2px 8px rgba(0, 0, 0, 0.85) !important;
  }
  body.has-custom-wallpaper .subtitle,
  html.theme-light body.has-custom-wallpaper .subtitle,
  html.theme-sepia body.has-custom-wallpaper .subtitle {
    color: #f1f5f9 !important;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9) !important;
  }

  /* ================= Gorgeous Frosted HUD on Custom Wallpapers ================= */
  body.has-custom-wallpaper .layout-strip,
  html.theme-light body.has-custom-wallpaper .layout-strip,
  html.theme-sepia body.has-custom-wallpaper .layout-strip,
  body.has-custom-wallpaper .session-bar,
  html.theme-light body.has-custom-wallpaper .session-bar,
  html.theme-sepia body.has-custom-wallpaper .session-bar,
  body.has-custom-wallpaper .layer-strip,
  html.theme-light body.has-custom-wallpaper .layer-strip,
  html.theme-sepia body.has-custom-wallpaper .layer-strip {
    background: rgba(10, 14, 26, 0.72) !important;
    backdrop-filter: blur(20px) saturate(140%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(140%) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
  }

  body.has-custom-wallpaper .layout-strip .layout-pill,
  html.theme-light body.has-custom-wallpaper .layout-strip .layout-pill,
  html.theme-sepia body.has-custom-wallpaper .layout-strip .layout-pill,
  body.has-custom-wallpaper .layer-strip .layer-pill,
  html.theme-light body.has-custom-wallpaper .layer-strip .layer-pill,
  html.theme-sepia body.has-custom-wallpaper .layer-strip .layer-pill {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #f1f5f9 !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7) !important;
  }

  body.has-custom-wallpaper .layout-strip .layout-pill:hover,
  html.theme-light body.has-custom-wallpaper .layout-strip .layout-pill:hover,
  html.theme-sepia body.has-custom-wallpaper .layout-strip .layout-pill:hover,
  body.has-custom-wallpaper .layer-strip .layer-pill:hover,
  html.theme-light body.has-custom-wallpaper .layer-strip .layer-pill:hover,
  html.theme-sepia body.has-custom-wallpaper .layer-strip .layer-pill:hover {
    background: rgba(255, 255, 255, 0.16) !important;
    border-color: rgba(255, 255, 255, 0.32) !important;
    color: #ffffff !important;
  }

  body.has-custom-wallpaper .layout-strip .layout-pill.active,
  html.theme-light body.has-custom-wallpaper .layout-strip .layout-pill.active,
  html.theme-sepia body.has-custom-wallpaper .layout-strip .layout-pill.active,
  body.has-custom-wallpaper .layer-strip .layer-pill.active,
  html.theme-light body.has-custom-wallpaper .layer-strip .layer-pill.active,
  html.theme-sepia body.has-custom-wallpaper .layer-strip .layer-pill.active {
    background: var(--gold-bright, #ffd166) !important;
    border-color: var(--gold-bright, #ffd166) !important;
    color: #1a1005 !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 16px rgba(255, 209, 102, 0.5) !important;
    text-shadow: none !important;
  }

  body.has-custom-wallpaper .session-stat,
  html.theme-light body.has-custom-wallpaper .session-stat,
  html.theme-sepia body.has-custom-wallpaper .session-stat {
    border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
  }

  body.has-custom-wallpaper .session-stat-val,
  html.theme-light body.has-custom-wallpaper .session-stat-val,
  html.theme-sepia body.has-custom-wallpaper .session-stat-val {
    color: var(--gold-bright, #ffd166) !important;
    text-shadow: 0 0 16px rgba(255, 209, 102, 0.5), 0 2px 6px rgba(0, 0, 0, 0.8) !important;
  }

  body.has-custom-wallpaper .session-stat-label,
  html.theme-light body.has-custom-wallpaper .session-stat-label,
  html.theme-sepia body.has-custom-wallpaper .session-stat-label {
    color: #cbd5e1 !important;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8) !important;
  }


  /* ================= Remade Alt + F Focus Mode Shortcut HUD & Effects ================= */
  .focus-kbd-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.64rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 6px;
    background: rgba(8, 12, 22, 0.88);
    border: 1px solid rgba(255, 209, 102, 0.55);
    color: #ffd166;
    letter-spacing: 0.03em;
    margin-left: 2px;
    line-height: 1.25;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transition: all 0.2s ease;
  }
  .focus-mode-btn:hover .focus-kbd-badge,
  .focus-mode-btn.active .focus-kbd-badge {
    background: rgba(6, 9, 18, 0.95);
    color: #ffe8a3;
    border-color: #ffd166;
    box-shadow: 0 0 10px rgba(255, 209, 102, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }
  html.theme-light .focus-kbd-badge {
    background: #0f172a;
    border-color: #334155;
    color: #ffd166;
  }
  html.theme-sepia .focus-kbd-badge {
    background: #241405;
    border-color: #8c6b3f;
    color: #ffd166;
  }

  /* Keycap Combo Flash on Alt + F */
  .key.shortcut-combo-flash {
    background: linear-gradient(180deg, #fff3c4 0%, var(--gold-bright) 55%, var(--gold) 100%) !important;
    color: #241405 !important;
    border-color: #ffffff !important;
    box-shadow:
      0 0 0 3px rgba(255, 209, 102, 0.45),
      0 0 28px rgba(255, 209, 102, 0.85),
      inset 0 1px 0 #ffffff !important;
    transform: translateY(-5px) scale(1.18) !important;
    z-index: 25 !important;
    transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.15s ease !important;
  }

  /* Viewport Edge Shockwave Ripple */
  .focus-screen-ripple {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1950;
    opacity: 0;
    border: 2px solid transparent;
    border-radius: 0;
  }
  .focus-screen-ripple.active.is-enter {
    animation: focus-ripple-enter 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  .focus-screen-ripple.active.is-exit {
    animation: focus-ripple-exit 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  @keyframes focus-ripple-enter {
    0% {
      opacity: 0.95;
      box-shadow: inset 0 0 0 2px var(--gold-bright), inset 0 0 65px rgba(255, 209, 102, 0.45);
    }
    100% {
      opacity: 0;
      box-shadow: inset 0 0 0 14px rgba(255, 209, 102, 0), inset 0 0 140px rgba(255, 209, 102, 0);
    }
  }
  @keyframes focus-ripple-exit {
    0% {
      opacity: 0.8;
      box-shadow: inset 0 0 0 2px #38bdf8, inset 0 0 50px rgba(56, 189, 248, 0.35);
    }
    100% {
      opacity: 0;
      box-shadow: inset 0 0 0 10px rgba(56, 189, 248, 0), inset 0 0 110px rgba(56, 189, 248, 0);
    }
  }

  /* Floating Transparent Glass Focus Shortcut HUD */
  .focus-shortcut-hud {
    position: fixed;
    top: 22px;
    left: 50%;
    transform: translate(-50%, -26px) scale(0.68);
    z-index: 2100;
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 22px;
    border-radius: 18px;
    background: rgba(15, 18, 32, 0.45);
    backdrop-filter: blur(12px) saturate(160%);
    -webkit-backdrop-filter: blur(12px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.38);
    box-shadow:
      0 18px 45px -10px rgba(0, 0, 0, 0.65),
      0 0 30px rgba(255, 209, 102, 0.22),
      inset 0 1px 0 rgba(255, 255, 255, 0.28);
    opacity: 0;
    transition:
      opacity 0.26s cubic-bezier(0.16, 1, 0.3, 1),
      transform 0.34s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  .focus-shortcut-hud.show {
    opacity: 1;
    transform: translate(-50%, 0) scale(1.04);
  }
  .focus-shortcut-hud.entering {
    border-color: rgba(255, 209, 102, 0.65);
    box-shadow:
      0 20px 50px -10px rgba(0, 0, 0, 0.7),
      0 0 36px rgba(255, 209, 102, 0.32),
      inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }
  .fsh-icon-wrap {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 209, 102, 0.16);
    border: 1px solid rgba(255, 209, 102, 0.45);
    color: var(--gold-bright);
    box-shadow: 0 0 18px rgba(255, 209, 102, 0.3);
    flex-shrink: 0;
  }
  .fsh-icon-wrap.on .fsh-reticle-svg {
    animation: fsh-spin-lock 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  @keyframes fsh-spin-lock {
    0% { transform: rotate(-90deg) scale(0.6); opacity: 0.4; }
    100% { transform: rotate(0deg) scale(1); opacity: 1; }
  }
  .fsh-content {
    display: flex;
    flex-direction: column;
    gap: 3px;
  }
  .fsh-top-row {
    display: flex;
    align-items: center;
    gap: 9px;
  }
  .fsh-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #94a3b8;
  }
  .fsh-status-dot.on {
    background: #2dd4a7;
    box-shadow: 0 0 10px #2dd4a7;
  }
  .fsh-title {
    font-family: 'Orbitron', 'Kantumruy Pro', sans-serif;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    color: #ffffff;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.75);
  }
  .fsh-combo-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-left: 4px;
  }
  .fsh-combo-badge kbd {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 5px;
    background: rgba(255, 209, 102, 0.2);
    border: 1px solid rgba(255, 209, 102, 0.55);
    color: var(--gold-bright);
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.4);
  }
  .fsh-plus {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 700;
  }
  .fsh-sub {
    font-family: 'JetBrains Mono', 'Kantumruy Pro', monospace;
    font-size: 0.68rem;
    color: #e2e8f0;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
  }


  /* ================= FOCUS MODE STAGE GROWING EFFECT ================= */
  .focus-mode-btn {
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease !important;
  }
  .focus-mode-btn:hover {
    transform: translateY(-2px) scale(1.06) !important;
  }
  .focus-mode-btn.active {
    transform: scale(1.08) !important;
  }
  .focus-mode-btn.focus-btn-grow-anim {
    animation: focus-btn-grow-pop 0.52s cubic-bezier(0.22, 1.45, 0.36, 1) forwards !important;
  }
  @keyframes focus-btn-grow-pop {
    0% { transform: scale(0.82); }
    52% { transform: scale(1.22); box-shadow: 0 0 32px rgba(255, 209, 102, 0.85), 0 0 0 3px rgba(255, 209, 102, 0.45); }
    100% { transform: scale(1.08); }
  }

  .board-wrap,
  .manuscript,
  .lesson-panel,
  .layout-strip {
    transition:
      transform 0.48s cubic-bezier(0.22, 1.32, 0.36, 1),
      box-shadow 0.45s ease,
      border-color 0.35s ease;
  }
  .board-wrap {
    transform-origin: center top;
  }
  .manuscript,
  .lesson-panel,
  .layout-strip {
    transform-origin: center bottom;
  }

  html.focus-mode .board-wrap {
    transform: scale(1.075) !important;
    border-color: rgba(255, 209, 102, 0.38) !important;
    box-shadow:
      0 34px 95px -18px rgba(0, 0, 0, 0.88),
      0 0 75px rgba(255, 209, 102, 0.26),
      inset 0 1px 0 rgba(255, 255, 255, 0.12) !important;
  }
  html.focus-mode .manuscript,
  html.focus-mode .lesson-panel {
    transform: scale(1.05) !important;
    margin-bottom: 24px !important;
  }
  html.focus-mode .layout-strip {
    transform: scale(1.05) !important;
    margin-bottom: 18px !important;
  }

  html.focus-mode.focus-mode-growing .board-wrap {
    animation: focus-board-grow-in 0.62s cubic-bezier(0.22, 1.38, 0.36, 1) forwards !important;
  }
  html.focus-mode.focus-mode-growing .manuscript,
  html.focus-mode.focus-mode-growing .lesson-panel,
  html.focus-mode.focus-mode-growing .layout-strip {
    animation: focus-upper-grow-in 0.56s cubic-bezier(0.22, 1.35, 0.36, 1) forwards !important;
  }
  html.focus-mode-shrinking .board-wrap {
    animation: focus-board-shrink-out 0.44s cubic-bezier(0.22, 1, 0.36, 1) forwards !important;
  }
  html.focus-mode-shrinking .manuscript,
  html.focus-mode-shrinking .lesson-panel,
  html.focus-mode-shrinking .layout-strip {
    animation: focus-upper-shrink-out 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards !important;
  }

  @keyframes focus-board-grow-in {
    0% {
      transform: scale(0.86) translateY(16px);
      filter: brightness(0.92);
    }
    58% {
      transform: scale(1.115) translateY(-3px);
      filter: brightness(1.12);
      box-shadow:
        0 38px 100px -15px rgba(0, 0, 0, 0.92),
        0 0 95px rgba(255, 209, 102, 0.52),
        0 0 0 2px rgba(255, 209, 102, 0.65);
    }
    100% {
      transform: scale(1.075) translateY(0);
      filter: brightness(1);
    }
  }
  @keyframes focus-upper-grow-in {
    0% {
      transform: scale(0.88) translateY(-10px);
      opacity: 0.75;
    }
    60% {
      transform: scale(1.08) translateY(2px);
      opacity: 1;
    }
    100% {
      transform: scale(1.05) translateY(0);
      opacity: 1;
    }
  }
  @keyframes focus-board-shrink-out {
    0% { transform: scale(1.075); }
    100% { transform: scale(1); }
  }
  @keyframes focus-upper-shrink-out {
    0% { transform: scale(1.05); }
    100% { transform: scale(1); }
  }

  @media (min-width: 1024px) and (max-width: 1460px) {
    html.focus-mode .board-wrap {
      transform: translateX(-28px) scale(1.065) !important;
    }
    html.focus-mode .manuscript,
    html.focus-mode .lesson-panel,
    html.focus-mode .layout-strip {
      transform: translateX(-28px) scale(1.045) !important;
    }
    html.focus-mode.focus-mode-growing .board-wrap {
      animation: focus-board-grow-in-docked 0.62s cubic-bezier(0.22, 1.38, 0.36, 1) forwards !important;
    }
    @keyframes focus-board-grow-in-docked {
      0% { transform: translateX(0) scale(0.86) translateY(16px); }
      58% { transform: translateX(-28px) scale(1.105) translateY(-3px); }
      100% { transform: translateX(-28px) scale(1.065) translateY(0); }
    }
  }

  .focus-grow-bloom {
    position: fixed;
    left: 50%;
    top: 55%;
    width: 760px;
    height: 340px;
    transform: translate(-50%, -50%) scale(0.5);
    border-radius: 36px;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
  }
  .focus-grow-bloom.active.is-enter {
    animation: focus-bloom-expand 0.82s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  .focus-grow-bloom.active.is-exit {
    animation: focus-bloom-contract 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  @keyframes focus-bloom-expand {
    0% {
      opacity: 0.95;
      transform: translate(-50%, -50%) scale(0.62);
      background: radial-gradient(ellipse at center, rgba(255, 209, 102, 0.42) 0%, rgba(255, 157, 46, 0.18) 45%, transparent 72%);
      border: 2px solid rgba(255, 209, 102, 0.85);
      box-shadow: 0 0 60px rgba(255, 209, 102, 0.55), inset 0 0 40px rgba(255, 209, 102, 0.35);
    }
    100% {
      opacity: 0;
      transform: translate(-50%, -50%) scale(1.48);
      background: radial-gradient(ellipse at center, rgba(255, 209, 102, 0) 0%, transparent 75%);
      border: 2px solid rgba(255, 209, 102, 0);
      box-shadow: 0 0 120px rgba(255, 209, 102, 0);
    }
  }
  @keyframes focus-bloom-contract {
    0% {
      opacity: 0.7;
      transform: translate(-50%, -50%) scale(1.25);
      border: 2px solid rgba(56, 189, 248, 0.65);
      box-shadow: 0 0 50px rgba(56, 189, 248, 0.35);
    }
    100% {
      opacity: 0;
      transform: translate(-50%, -50%) scale(0.82);
      border: 2px solid rgba(56, 189, 248, 0);
      box-shadow: 0 0 20px rgba(56, 189, 248, 0);
    }
  }

::-webkit-scrollbar-button { display: none !important; width: 0 !important; height: 0 !important; }


/* ============================================================
   FULL TRANSPARENT GLASS THEME (html.theme-glass ONLY)
   background: rgba(255,255,255,0);
   backdrop-filter: blur(5px);
   border: 1px solid rgba(255,255,255,.35);
   ============================================================ */
html.theme-glass body:not(.has-custom-wallpaper) {
  background:
    radial-gradient(circle at 18% 18%, rgba(56, 189, 248, 0.25) 0%, transparent 45%),
    radial-gradient(circle at 82% 22%, rgba(168, 85, 247, 0.28) 0%, transparent 48%),
    radial-gradient(circle at 50% 80%, rgba(255, 157, 46, 0.2) 0%, transparent 50%),
    linear-gradient(135deg, #090d1a 0%, #131b36 50%, #070a14 100%) !important;
}

html.theme-glass h1,
html.theme-glass .founder-byline,
html.theme-glass .subtitle kbd,
html.theme-glass .layout-strip .layout-pill,
html.theme-glass .session-bar,
html.theme-glass .layer-strip .layer-pill,
html.theme-glass .top-actions,
html.theme-glass .top-actions button,
html.theme-glass .toolbar button,
html.theme-glass .board-wrap,
html.theme-glass .board-chassis-bar,
html.theme-glass .chassis-action-btn,
html.theme-glass .key,
html.theme-glass .manuscript,
html.theme-glass .lesson-panel,
html.theme-glass .lesson-char-row,
html.theme-glass .trial-card,
html.theme-glass .trial-panel,
html.theme-glass .race-panel,
html.theme-glass .site-footer-inner,
html.theme-glass .site-lang-toggle,
html.theme-glass .modal-card,
html.theme-glass .shortcut-item,
html.theme-glass .stat-tile,
html.theme-glass .race-record-card,
html.theme-glass .secondary-btn {
  background: rgba(255, 255, 255, 0) !important;
  backdrop-filter: blur(5px) !important;
  -webkit-backdrop-filter: blur(5px) !important;
  border: 1px solid rgba(255, 255, 255, 0.35) !important;
  color: #ffffff !important;
}
html.theme-glass .top-actions-divider {
  background: rgba(255, 255, 255, 0.22) !important;
}

html.theme-glass .site-footer-inner {
  border-radius: 18px !important;
}

html.theme-glass .key {
  border-bottom: 3px solid rgba(255, 255, 255, 0.48) !important;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.25) !important;
}
html.theme-glass .key:hover {
  border-color: var(--gold-bright) !important;
  box-shadow: 0 0 16px color-mix(in srgb, var(--gold-bright) 45%, transparent) !important;
}
html.theme-glass .layout-strip .layout-pill.active,
html.theme-glass .layer-strip .layer-pill.active,
html.theme-glass .toolbar button.active,
html.theme-glass .top-actions button.active {
  background: rgba(255, 255, 255, 0) !important;
  backdrop-filter: blur(5px) !important;
  -webkit-backdrop-filter: blur(5px) !important;
  border-color: var(--gold-bright) !important;
  color: var(--gold-bright) !important;
  box-shadow: 0 0 18px color-mix(in srgb, var(--gold-bright) 45%, transparent), inset 0 0 12px color-mix(in srgb, var(--gold-bright) 22%, transparent) !important;
}

/* ============================================================
   PK Khmer Type Version 2.2 Badges & Release Showcase Modal
   ============================================================ */
.hero-version-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  margin-left: 10px;
  vertical-align: middle;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.18), rgba(255, 157, 46, 0.08));
  border: 1px solid rgba(255, 209, 102, 0.45);
  color: var(--gold-bright);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(255, 209, 102, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition: all .22s cubic-bezier(0.16, 1, 0.3, 1);
  text-transform: none;
}
.hero-ver-beta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.54rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 209, 102, 0.22);
  border: 1px solid rgba(255, 209, 102, 0.55);
  color: #fff2c4;
  line-height: 1.15;
}
.hero-version-tag:hover {
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.32), rgba(255, 157, 46, 0.22));
  border-color: var(--gold-bright);
  color: #ffffff;
  transform: scale(1.08) translateY(-1px);
  box-shadow: 0 0 20px rgba(255, 209, 102, 0.48), 0 4px 12px rgba(0, 0, 0, 0.4);
}
.hero-version-tag:hover .hero-ver-beta {
  background: rgba(255, 209, 102, 0.35);
  border-color: var(--gold-bright);
  color: #ffffff;
}
.hero-version-tag:active {
  transform: scale(0.96);
}

.site-footer-version-tag {
  display: inline-flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 209, 102, 0.1);
  border: 1px solid rgba(255, 209, 102, 0.28);
  color: var(--gold-bright);
  cursor: pointer;
  transition: all .18s ease;
  margin-left: 8px;
}
.site-footer-version-tag:hover {
  background: rgba(255, 209, 102, 0.22);
  border-color: var(--gold-bright);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(255, 209, 102, 0.35);
  transform: translateY(-1px);
}

/* Version 2.2 Release Showcase Modal Card */
.version-modal-card {
  width: min(92vw, 620px);
  padding: 28px 28px 24px;
  text-align: center;
  position: relative;
  border-color: rgba(255, 209, 102, 0.35);
  box-shadow: 0 35px 85px -15px rgba(0, 0, 0, 0.9), 0 0 50px rgba(255, 209, 102, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.version-modal-header {
  margin-bottom: 22px;
}
.version-modal-crest {
  width: 58px;
  height: 58px;
  margin: 0 auto 12px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(255, 209, 102, 0.2), rgba(255, 157, 46, 0.05));
  border: 1px solid rgba(255, 209, 102, 0.45);
  box-shadow: 0 0 24px rgba(255, 209, 102, 0.3);
}
.version-modal-crest img {
  filter: drop-shadow(0 2px 8px rgba(255, 209, 102, 0.4));
}
.version-modal-title {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
}
.version-modal-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffd166, #ff9d2e);
  color: #190e03;
  box-shadow: 0 0 14px rgba(255, 209, 102, 0.5);
}
.version-modal-sub {
  font-size: 0.84rem;
  color: var(--ink-dim);
  margin: 0;
  letter-spacing: 0.02em;
}
.version-modal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  text-align: left;
  margin-bottom: 24px;
}
.version-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--stone-3);
  transition: all .18s ease;
}
.version-feature-item:hover {
  background: rgba(255, 209, 102, 0.06);
  border-color: rgba(255, 209, 102, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}
.version-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(255, 209, 102, 0.12);
  border: 1px solid rgba(255, 209, 102, 0.3);
  color: var(--gold-bright);
}
.version-feature-text h4 {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
}
.version-feature-text p {
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--ink-dim);
  margin: 0;
}
.version-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  gap: 16px;
  flex-wrap: wrap;
}
.version-modal-author {
  font-size: 0.75rem;
  color: var(--ink-dim);
  text-align: left;
}
.version-modal-author strong {
  color: var(--gold-bright);
}
.version-modal-btn {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 10px 22px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  border: 1px solid var(--gold-bright);
  color: #241405;
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: 0 4px 14px rgba(255, 209, 102, 0.35);
}
.version-modal-btn:hover {
  box-shadow: 0 6px 22px rgba(255, 209, 102, 0.55);
  transform: translateY(-1px);
}
.version-modal-btn:active {
  transform: scale(0.97);
}

/* Reduced motion / Performance mode overrides */
html.performance-mode .hero-version-tag,
html.performance-mode .chassis-version-badge,
html.performance-mode .chassis-ver-pulse,
html.performance-mode .site-footer-version-tag,
html.performance-mode .version-modal-crest,
html.performance-mode .version-modal-tag,
html.performance-mode .settings-version-pill,
html.performance-mode .settings-version-pill .ver-live-dot {
  animation: none !important;
  box-shadow: none !important;
  transform: none !important;
}

.guide-live-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

/* ============================================================
   Supabase Auth & Cross-Device Cloud Sync UI Styles
   ============================================================ */
.cloud-sync-chip-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.32);
  color: #34d399;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
}
.cloud-sync-chip-badge:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.5);
}
.cloud-sync-chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
}
.cloud-sync-chip-badge[data-status="syncing"] {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.36);
  color: #38bdf8;
}
.cloud-sync-chip-badge[data-status="syncing"] .cloud-sync-chip-dot {
  background: #38bdf8;
  box-shadow: 0 0 8px #38bdf8;
  animation: pkSyncPulse 1.1s ease-in-out infinite;
}
.cloud-sync-chip-badge[data-status="offline"] {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.36);
  color: #fbbf24;
}
.cloud-sync-chip-badge[data-status="offline"] .cloud-sync-chip-dot {
  background: #fbbf24;
  box-shadow: 0 0 8px #fbbf24;
}
.cloud-sync-chip-badge[data-status="error"] {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.36);
  color: #f87171;
}
.cloud-sync-chip-badge[data-status="error"] .cloud-sync-chip-dot {
  background: #f87171;
  box-shadow: 0 0 8px #f87171;
}
@keyframes pkSyncPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.55; }
}

.supabase-config-banner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 14px;
  padding: 11px 14px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fde68a;
  font-size: 0.78rem;
  line-height: 1.45;
}
.supabase-config-banner[hidden] {
  display: none !important;
}
.supabase-config-banner-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fef3c7;
  font-size: 0.82rem;
}
.supabase-config-banner-desc {
  margin: 0;
  color: rgba(254, 243, 199, 0.88);
  word-break: break-word;
}

.verify-email-badge {
  width: 56px;
  height: 56px;
  margin: 8px auto 12px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 209, 102, 0.12);
  border: 1px solid rgba(255, 209, 102, 0.35);
  color: var(--gold-bright);
}

.acc-session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 10px 0 12px;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.07);
  border: 1px solid rgba(16, 185, 129, 0.25);
}
.acc-session-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.76rem;
  font-weight: 600;
  color: #a7f3d0;
}
.acc-session-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  flex-shrink: 0;
}
.acc-sync-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--ink-dim);
}
.acc-sync-now-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 9px;
  border-radius: 7px;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255, 209, 102, 0.12);
  border: 1px solid rgba(255, 209, 102, 0.32);
  color: var(--gold-bright);
  cursor: pointer;
  transition: all 0.16s ease;
}
.acc-sync-now-btn:hover:not(:disabled) {
  background: rgba(255, 209, 102, 0.22);
  border-color: var(--gold-bright);
}
.acc-sync-now-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.acc-cloud-vault-chassis {
  position: relative;
  margin: 14px 0;
  padding: 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(20, 24, 38, 0.72) 0%, rgba(11, 14, 24, 0.88) 100%);
  border: 1px solid rgba(255, 209, 102, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.acc-cloud-vault-chassis.drag-active {
  border-color: var(--cyan, #38bdf8);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.35), inset 0 0 16px rgba(56, 189, 248, 0.15);
}
.acc-vault-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 209, 102, 0.65), rgba(56, 189, 248, 0.65), transparent);
  pointer-events: none;
}
.acc-vault-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.acc-vault-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.acc-vault-shield-icon {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.16) 0%, rgba(56, 189, 248, 0.12) 100%);
  border: 1px solid rgba(255, 209, 102, 0.35);
  color: var(--gold-bright, #ffd166);
  box-shadow: 0 0 14px rgba(255, 209, 102, 0.2);
  flex-shrink: 0;
}
.acc-vault-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.acc-vault-title {
  margin: 0;
  font-size: 0.84rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}
.acc-vault-quota-pill {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
}
.acc-vault-sub {
  font-size: 0.68rem;
  color: var(--ink-dim, #94a3b8);
  margin-top: 2px;
}
.acc-vault-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.acc-vault-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  line-height: 1.2;
}
.acc-vault-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  transform: translateY(-1px);
}
.acc-vault-btn:active:not(:disabled) {
  transform: translateY(0);
}
.acc-vault-btn:disabled {
  opacity: 0.45;
  cursor: wait;
}
.acc-vault-btn.gold-glow {
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.18) 0%, rgba(255, 180, 0, 0.1) 100%);
  border-color: rgba(255, 209, 102, 0.45);
  color: var(--gold-bright, #ffd166);
}
.acc-vault-btn.gold-glow:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.3) 0%, rgba(255, 180, 0, 0.18) 100%);
  border-color: var(--gold-bright, #ffd166);
  box-shadow: 0 0 16px rgba(255, 209, 102, 0.3);
  color: #fff;
}
.acc-vault-btn.cyan-glow {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18) 0%, rgba(14, 165, 233, 0.1) 100%);
  border-color: rgba(56, 189, 248, 0.45);
  color: #38bdf8;
}
.acc-vault-btn.cyan-glow:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.3) 0%, rgba(14, 165, 233, 0.18) 100%);
  border-color: #38bdf8;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
  color: #fff;
}
.acc-vault-icon-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--ink-dim, #94a3b8);
  cursor: pointer;
  transition: all 0.18s ease;
}
.acc-vault-icon-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}
.acc-vault-icon-btn.is-spinning svg {
  animation: pk-spin 0.8s linear infinite;
}
@keyframes pk-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Drag overlay hint */
.acc-vault-drop-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  margin-bottom: 10px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.1);
  border: 2px dashed rgba(56, 189, 248, 0.5);
  color: #38bdf8;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  animation: pk-pulse-border 1.5s ease-in-out infinite;
}
.acc-cloud-vault-chassis.drag-active .acc-vault-drop-hint {
  display: flex;
}
@keyframes pk-pulse-border {
  0%, 100% { border-color: rgba(56, 189, 248, 0.5); }
  50% { border-color: rgba(255, 209, 102, 0.8); }
}

/* Cloud Files List */
.acc-cloud-files-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 209, 102, 0.35) rgba(0, 0, 0, 0.3);
  padding-right: 2px;
}
.acc-cloud-files-list::-webkit-scrollbar {
  width: 5px;
}
.acc-cloud-files-list::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.25);
  border-radius: 999px;
}
.acc-cloud-files-list::-webkit-scrollbar-thumb {
  background: rgba(255, 209, 102, 0.35);
  border-radius: 999px;
}
.acc-cloud-files-list::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 209, 102, 0.6);
}

.acc-cloud-files-empty {
  font-size: 0.74rem;
  color: var(--ink-dim, #94a3b8);
  padding: 16px 12px;
  text-align: center;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 9px;
  border: 1px dashed rgba(255, 255, 255, 0.08);
}

/* Modern Cloud File Card */
.acc-cloud-file-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(15, 19, 32, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: all 0.18s ease;
}
.acc-cloud-file-card:hover {
  background: rgba(22, 28, 48, 0.85);
  border-color: rgba(255, 209, 102, 0.28);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.acc-file-thumb-wrap {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.acc-file-thumb-wrap:hover {
  border-color: var(--gold-bright, #ffd166);
  transform: scale(1.04);
}
.acc-file-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.acc-file-thumb-icon {
  color: var(--ink-dim, #94a3b8);
}
.acc-file-thumb-wrap.is-backup .acc-file-thumb-icon {
  color: var(--gold-bright, #ffd166);
}

.acc-file-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
  gap: 3px;
}
.acc-file-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.acc-file-smart-name {
  font-size: 0.76rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.acc-file-ext-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink-dim, #cbd5e1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}
.acc-file-ext-tag.tag-backup {
  background: rgba(255, 209, 102, 0.16);
  color: var(--gold-bright, #ffd166);
  border-color: rgba(255, 209, 102, 0.35);
}
.acc-file-ext-tag.tag-image {
  background: rgba(56, 189, 248, 0.16);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.35);
}

.acc-file-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.65rem;
  color: var(--ink-dim, #94a3b8);
  min-width: 0;
}
.acc-file-raw-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.75;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.62rem;
}

.acc-file-btns {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}
.acc-file-act-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--ink, #e2e8f0);
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.2;
}
.acc-file-act-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  transform: translateY(-1px);
}
.acc-file-act-btn:disabled {
  opacity: 0.45;
  cursor: wait;
}
.acc-file-act-btn.restore {
  background: rgba(255, 209, 102, 0.14);
  border-color: rgba(255, 209, 102, 0.38);
  color: var(--gold-bright, #ffd166);
}
.acc-file-act-btn.restore:hover:not(:disabled) {
  background: rgba(255, 209, 102, 0.28);
  color: #fff;
  box-shadow: 0 0 10px rgba(255, 209, 102, 0.3);
}
.acc-file-act-btn.avatar-btn {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.35);
  color: #38bdf8;
}
.acc-file-act-btn.avatar-btn:hover:not(:disabled) {
  background: rgba(56, 189, 248, 0.25);
  color: #fff;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
}
.acc-file-act-btn.danger {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}
.acc-file-act-btn.danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.24);
  color: #fff;
}

/* ==================== Image Lightbox Modal ==================== */
.acc-lightbox-backdrop {
  z-index: 100010;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(6, 8, 16, 0.88);
}
.acc-lightbox-card {
  max-width: 620px;
  width: 92%;
  padding: 16px 20px 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(20, 24, 38, 0.95) 0%, rgba(10, 13, 24, 0.98) 100%);
  border: 1px solid rgba(255, 209, 102, 0.3);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(255, 209, 102, 0.15);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.acc-lightbox-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.acc-lightbox-meta h3 {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
}
.acc-lightbox-sub {
  font-size: 0.68rem;
  color: var(--ink-dim, #94a3b8);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.acc-lightbox-img-wrap {
  width: 100%;
  max-height: 52vh;
  min-height: 180px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}
.acc-lightbox-img-wrap img {
  max-width: 100%;
  max-height: 52vh;
  object-fit: contain;
  display: block;
}
.acc-lightbox-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 6px;
}


.acc-bottom-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
  margin-bottom: 4px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}
.acc-bottom-actions .auth-signout-btn {
  width: auto;
  padding: 7px 14px;
  margin: 0;
}
.acc-delete-account-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 9px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.32);
  color: #fca5a5;
  cursor: pointer;
  transition: all 0.18s ease;
}
.acc-delete-account-btn:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.55);
  color: #fecaca;
}

/* ============================================================
   Human Architects, Autonomous Agents & AI Chatbots Mini-Box & Modal
   ============================================================ */
.pk-collab-mini-box {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  margin: 2px 0 4px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(16, 20, 32, 0.92) 0%, rgba(11, 14, 23, 0.96) 100%);
  border: 1px solid rgba(255, 209, 102, 0.26);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  color: #f8fafc;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.pk-collab-mini-box:hover {
  border-color: var(--gold-bright, #ffd166);
  background: linear-gradient(135deg, rgba(24, 30, 48, 0.96) 0%, rgba(15, 19, 32, 0.98) 100%);
  transform: translateY(-1.5px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.45), 0 0 18px rgba(255, 209, 102, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.pk-cmb-left {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}
.pk-cmb-avatars {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  padding-left: 2px;
}
.pk-cmb-av {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: -6px;
  background: #111520;
  border: 1.5px solid #1e293b;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
  transition: transform 0.18s ease;
}
.pk-cmb-av:first-child {
  margin-left: 0;
}
.pk-collab-mini-box:hover .pk-cmb-av {
  transform: translateY(-1px);
}
.pk-cmb-av img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.pk-cmb-av-human { border-color: #fbbf24; }
.pk-cmb-av-mentor { border-color: #a855f7; }
.pk-cmb-av-owner { border-color: #38bdf8; }
.pk-cmb-av-agy { background: #141829; border-color: #818cf8; }
.pk-cmb-av-claude-code { background: #1c1412; border-color: #f97316; }
.pk-cmb-av-codex { background: #07221b; border-color: #10b981; }
.pk-cmb-av-gemini { background: #101528; border-color: #818cf8; }
.pk-cmb-av-claude { background: #d97757; border-color: #fb923c; }
.pk-cmb-av-chatgpt { background: #0b1c17; border-color: #10b981; }

.pk-cmb-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.pk-cmb-title-row {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}
.pk-cmb-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  flex-shrink: 0;
}
.pk-cmb-title {
  font-family: 'Space Grotesk', 'Kantumruy Pro', sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pk-cmb-count-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.42);
  color: #fbbf24;
  white-space: nowrap;
}
.pk-cmb-sub {
  font-size: 0.66rem;
  color: #94a3b8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pk-cmb-right {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
}
.pk-cmb-legal-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border-radius: 7px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: rgba(16, 185, 129, 0.11);
  border: 1px solid rgba(16, 185, 129, 0.32);
  color: #34d399;
  white-space: nowrap;
}
.pk-cmb-open-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(245, 158, 11, 0.16);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: #fbbf24;
  transition: all 0.18s ease;
}
.pk-collab-mini-box:hover .pk-cmb-open-btn {
  background: #fbbf24;
  color: #1a1005;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.45);
}

html.theme-light .pk-collab-mini-box {
  background: rgba(15, 23, 42, 0.04) !important;
  border-color: rgba(15, 23, 42, 0.15) !important;
  color: #0f172a !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06) !important;
}
html.theme-light .pk-cmb-title { color: #0f172a !important; }
html.theme-light .pk-cmb-sub { color: #475569 !important; }
html.theme-light .pk-cmb-count-pill {
  background: rgba(15, 23, 42, 0.08) !important;
  border-color: rgba(15, 23, 42, 0.2) !important;
  color: #0f172a !important;
}
html.theme-sepia .pk-collab-mini-box {
  background: rgba(74, 52, 33, 0.06) !important;
  border-color: rgba(74, 52, 33, 0.22) !important;
  color: #2c1b0c !important;
}
html.theme-sepia .pk-cmb-title { color: #2c1b0c !important; }
html.theme-sepia .pk-cmb-sub { color: #5c4228 !important; }

@media (max-width: 720px) {
  .pk-collab-mini-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .pk-cmb-title,
  .pk-cmb-sub {
    white-space: normal;
  }
  .pk-cmb-right {
    width: 100%;
    justify-content: space-between;
  }
}

/* ================= Full Collaborators & Statutory Legal Ledger Modal ================= */
.pk-collab-modal-card {
  width: min(95vw, 1120px);
  max-width: 1120px;
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 28px 28px 26px;
  background: #0a0b0e;
  border: 1px solid rgba(245, 158, 11, 0.32);
  border-radius: 12px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.88), 0 0 0 1px rgba(255, 255, 255, 0.05);
  color: #f1f5f9;
  text-align: left;
  position: relative;
}
.pk-collab-modal-card::-webkit-scrollbar {
  width: 8px;
}
.pk-collab-modal-card::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.65), rgba(217, 119, 6, 0.65));
  border-radius: 999px;
}
.pk-collab-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 5;
}

.pk-collab-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}
.pk-collab-header-copy {
  max-width: 540px;
}
.pk-collab-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #fbbf24;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.pk-collab-eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fbbf24;
  box-shadow: 0 0 8px #fbbf24;
}
.pk-collab-main-title {
  font-family: 'Space Grotesk', 'Kantumruy Pro', -apple-system, sans-serif;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin: 0 0 10px;
}
.pk-collab-main-sub {
  font-size: 0.82rem;
  line-height: 1.6;
  color: #94a3b8;
  margin: 0;
}

.pk-collab-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pk-collab-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 13px;
  border-radius: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: #12141a;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.15s ease;
  outline: none !important;
  box-shadow: none !important;
}
.pk-collab-filter-btn:focus,
.pk-collab-filter-btn:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}
.pk-collab-filter-btn:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.32);
  background: #181b24;
}
.pk-collab-filter-btn.active {
  color: #ffffff !important;
  font-weight: 700;
  border-color: #f59e0b !important;
  background: rgba(245, 158, 11, 0.14) !important;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.16) !important;
}
.pk-collab-filter-legal {
  border-color: rgba(16, 185, 129, 0.38);
  color: #34d399;
  background: rgba(16, 185, 129, 0.08);
}
.pk-collab-filter-legal:hover {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.16);
  color: #a7f3d0;
}

/* 9-Card Grid: 3x3 Matrix for Humans, Agents, and Chatbots */
.pk-collab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
@media (max-width: 980px) {
  .pk-collab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .pk-collab-grid {
    grid-template-columns: 1fr;
  }
}

.pk-collab-card {
  display: flex;
  flex-direction: column;
  padding: 18px 16px 14px;
  background: #101217;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease, background 0.18s ease;
  position: relative;
}
.pk-collab-card[hidden],
.pk-collab-card.is-filtered-out {
  display: none !important;
}
.pk-collab-card:hover {
  border-color: rgba(245, 158, 11, 0.5);
  background: #14171f;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.48);
}
.pk-collab-card.is-inspecting {
  border-color: #f59e0b;
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.06) 0%, #101217 45%);
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.35), 0 12px 30px rgba(0, 0, 0, 0.55);
}

.pk-cc-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}
.pk-cc-avatar-ring {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  padding: 2px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0b0d13;
  border: 2px solid #334155;
}
.pk-cc-avatar-ring.ring-gold { border-color: #38bdf8; box-shadow: 0 0 14px rgba(56, 189, 248, 0.22); }
.pk-cc-avatar-ring.ring-cyan { border-color: #38bdf8; box-shadow: 0 0 14px rgba(56, 189, 248, 0.22); }
.pk-cc-avatar-ring.ring-violet { border-color: #a855f7; box-shadow: 0 0 14px rgba(168, 85, 247, 0.28); }
.pk-cc-avatar-ring.ring-indigo { border-color: #818cf8; box-shadow: 0 0 14px rgba(129, 140, 248, 0.25); }
.pk-cc-avatar-ring.ring-terracotta { border-color: #ea580c; box-shadow: 0 0 14px rgba(234, 88, 12, 0.25); }
.pk-cc-avatar-ring.ring-emerald { border-color: #10b981; box-shadow: 0 0 14px rgba(16, 185, 129, 0.25); }

.pk-cc-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: #101217;
}

.pk-cc-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid #101217;
}
.pk-cc-dot.dot-emerald { background: #10b981; }
.pk-cc-dot.dot-cyan { background: #38bdf8; }
.pk-cc-dot.dot-violet { background: #a855f7; }
.pk-cc-dot.dot-indigo { background: #818cf8; }
.pk-cc-dot.dot-terracotta { background: #f97316; }

.pk-cc-tier-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 7px;
  border-radius: 2px;
  text-transform: uppercase;
}
.pk-cc-tier-badge.badge-human {
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.pk-cc-tier-badge.badge-agent {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.45);
}
.pk-cc-tier-badge.badge-future {
  color: #fb923c;
  background: rgba(249, 115, 22, 0.12);
  border: 1px dashed rgba(249, 115, 22, 0.55);
  box-shadow: 0 0 10px rgba(249, 115, 22, 0.15);
}
.pk-cc-tier-badge.badge-chatbot {
  color: #94a3b8;
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.22);
}

.pk-collab-card.pk-collab-card-future {
  border: 1px dashed rgba(249, 115, 22, 0.38);
  background-color: #101217;
  background-image:
    radial-gradient(circle at 88% 12%, rgba(249, 115, 22, 0.09) 0%, transparent 55%),
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 100% 100%, 16px 16px, 16px 16px;
}
.pk-collab-card.pk-collab-card-future:hover {
  border-style: solid;
  border-color: rgba(249, 115, 22, 0.68);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.5), 0 0 18px rgba(249, 115, 22, 0.14);
}
.pk-cc-avatar-ring.ring-future {
  border-style: dashed;
}
.pk-cc-dot.dot-future-pulse {
  animation: pkCollabFuturePulse 2.2s ease-in-out infinite;
}
@keyframes pkCollabFuturePulse {
  0%, 100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.55); }
  50% { transform: scale(1.12); opacity: 0.78; box-shadow: 0 0 0 4px rgba(249, 115, 22, 0); }
}

.pk-cc-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 2px;
  line-height: 1.25;
}
.pk-cc-handle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: #64748b;
  text-decoration: none;
  margin-bottom: 10px;
  display: inline-block;
}
a.pk-cc-handle:hover {
  color: #fbbf24;
  text-decoration: underline;
}

.pk-cc-pill-row {
  margin-bottom: 10px;
}
.pk-cc-role-pill {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 2px;
  text-transform: uppercase;
}
.pk-cc-role-pill.pill-gold {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.45);
}
.pk-cc-role-pill.pill-violet {
  color: #c084fc;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.45);
}
.pk-cc-role-pill.pill-cyan {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.42);
}
.pk-cc-role-pill.pill-indigo {
  color: #818cf8;
  background: rgba(129, 140, 248, 0.1);
  border: 1px solid rgba(129, 140, 248, 0.42);
}
.pk-cc-role-pill.pill-terracotta {
  color: #fb923c;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.42);
}
.pk-cc-role-pill.pill-future {
  color: #fdba74;
  background: rgba(249, 115, 22, 0.12);
  border: 1px dashed rgba(249, 115, 22, 0.52);
}
.pk-cc-role-pill.pill-emerald {
  color: #34d399;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.42);
}

.pk-cc-role-title {
  font-size: 0.76rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: 5px;
  line-height: 1.35;
}
.pk-cc-skills {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.64rem;
  line-height: 1.5;
  color: #64748b;
  margin-bottom: 14px;
  flex: 1 1 auto;
}
.pk-cc-subtier {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: 9px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.pk-cc-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.pk-cc-commits {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.64rem;
  color: #94a3b8;
}
.pk-cc-commits.pk-cc-commits-future {
  color: #fb923c;
  font-weight: 600;
}
.pk-cc-log-btn {
  background: none;
  border: none;
  padding: 2px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #94a3b8;
  cursor: pointer;
  transition: color 0.15s ease;
}
.pk-cc-log-btn:hover,
.pk-cc-log-btn.is-active {
  color: #fbbf24;
}

/* Selected Contributor Deep Dive Inspection Console */
.pk-collab-inspector {
  padding: 20px 22px;
  margin-bottom: 24px;
  border-radius: 4px;
  background: #101218;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.pk-ci-main {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  flex: 1 1 560px;
  min-width: 0;
}
.pk-ci-avatar-wrap {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  padding: 2px;
  border: 2px solid #f59e0b;
  background: #0b0d13;
  flex-shrink: 0;
  overflow: hidden;
}
.pk-ci-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
.pk-ci-body {
  flex: 1 1 auto;
  min-width: 0;
}
.pk-ci-meta-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
}
.pk-ci-tag {
  color: #fbbf24;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pk-ci-sep {
  color: #475569;
}
.pk-ci-status {
  color: #94a3b8;
  text-transform: uppercase;
}
.pk-ci-badge {
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 2px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #38bdf8;
  text-transform: uppercase;
}
.pk-ci-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 6px;
}
.pk-ci-desc {
  font-size: 0.8rem;
  line-height: 1.6;
  color: #94a3b8;
  margin: 0 0 10px;
  max-width: 720px;
}
.pk-ci-pair-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  margin-bottom: 12px;
}
.pk-ci-pair-label {
  color: #64748b;
}
.pk-ci-pair-val {
  color: #fbbf24;
  font-weight: 600;
}
.pk-ci-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pk-ci-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  padding: 5px 10px;
  border-radius: 2px;
  background: #0a0c10;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
}
.pk-ci-chip svg {
  color: #fbbf24;
  flex-shrink: 0;
}
.pk-ci-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}
.pk-ci-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #0a0c10;
  background: #f8fafc;
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 2px;
  transition: opacity 0.16s ease, transform 0.16s ease;
}
.pk-ci-link:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}
.pk-ci-recorded {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.64rem;
  color: #64748b;
}

/* ================= How It Works & Statutory Legal Ledger ================= */
.pk-legal-ledger {
  border-radius: 4px;
  background: #0c0e14;
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.pk-ll-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  flex-wrap: wrap;
}
.pk-ll-title-wrap {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 680px;
}
.pk-ll-seal {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fbbf24;
  flex-shrink: 0;
  margin-top: 2px;
}
.pk-ll-eyebrow {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fbbf24;
  margin-bottom: 4px;
}
.pk-ll-title {
  font-family: 'Space Grotesk', 'Kantumruy Pro', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 6px;
}
.pk-ll-subtitle {
  font-size: 0.74rem;
  line-height: 1.55;
  color: #94a3b8;
  margin: 0;
}

.pk-ll-mode-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.pk-ll-mode-btn {
  padding: 7px 12px;
  border-radius: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: #10131b;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.15s ease;
  outline: none !important;
  box-shadow: none !important;
}
.pk-ll-mode-btn:hover {
  color: #ffffff;
  border-color: rgba(245, 158, 11, 0.5);
}
.pk-ll-mode-btn.active {
  background: #f59e0b;
  border-color: #f59e0b;
  color: #0a0c10;
}

.pk-ll-section[hidden] {
  display: none !important;
}
.pk-ll-sec-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 22px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fbbf24;
  flex-wrap: wrap;
}
.pk-ll-sec-banner span:last-child {
  color: #64748b;
  font-weight: 600;
}

.pk-ll-tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
@media (max-width: 860px) {
  .pk-ll-tiers-grid {
    grid-template-columns: 1fr;
  }
}
.pk-ll-tier-box {
  padding: 16px;
  border-radius: 3px;
  background: #11141d;
  border: 1px solid rgba(255, 255, 255, 0.09);
}
.pk-ll-tier-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.pk-ll-tier-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  color: #94a3b8;
}
.pk-ll-tier-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.56rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 2px;
}
.pk-ll-tier-tag.tag-gold { color: #fbbf24; background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.35); }
.pk-ll-tier-tag.tag-indigo { color: #818cf8; background: rgba(129, 140, 248, 0.12); border: 1px solid rgba(129, 140, 248, 0.35); }
.pk-ll-tier-tag.tag-emerald { color: #34d399; background: rgba(16, 185, 129, 0.12); border: 1px solid rgba(16, 185, 129, 0.35); }

.pk-ll-tier-box h4 {
  font-size: 0.86rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 6px;
}
.pk-ll-tier-box p {
  font-size: 0.74rem;
  line-height: 1.58;
  color: #94a3b8;
  margin: 0;
}

.pk-ll-clauses-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 18px 22px;
}
@media (max-width: 760px) {
  .pk-ll-clauses-grid {
    grid-template-columns: 1fr;
  }
}
.pk-ll-clause {
  padding: 16px;
  border-radius: 3px;
  background: #10131b;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
}
.pk-ll-clause-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  font-family: 'JetBrains Mono', monospace;
}
.pk-ll-sec-code {
  font-size: 0.6rem;
  font-weight: 700;
  color: #fbbf24;
  letter-spacing: 0.04em;
}
.pk-ll-clause-badge {
  font-size: 0.55rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 2px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.38);
  color: #fbbf24;
}
.pk-ll-clause h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 3px;
}
.pk-ll-statute {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: #64748b;
  margin-bottom: 8px;
}
.pk-ll-summary {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  line-height: 1.58;
  color: #cbd5e1;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 2px solid #f59e0b;
  margin: 0 0 8px;
}
.pk-ll-prov-btn {
  align-self: flex-start;
  background: none;
  border: none;
  padding: 2px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.64rem;
  font-weight: 700;
  color: #fbbf24;
  cursor: pointer;
  margin-bottom: 8px;
  outline: none !important;
  box-shadow: none !important;
}
.pk-ll-prov-btn:hover {
  text-decoration: underline;
}
.pk-ll-prov-drawer {
  padding: 10px;
  background: #0a0c10;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pk-ll-prov-drawer[hidden] {
  display: none !important;
}
.pk-ll-prov-item {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  line-height: 1.52;
  color: #94a3b8;
}
.pk-ll-prov-item strong {
  color: #fbbf24;
}
.pk-ll-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 4px;
}
.pk-ll-pills span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  padding: 2px 7px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
}
.pk-ll-clause code,
.pk-ll-tier-box code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.07);
  padding: 1px 5px;
  border-radius: 3px;
}

@media (max-width: 640px) {
  .pk-collab-modal-card {
    width: 96vw;
    max-height: 92dvh;
    padding: 18px 14px calc(20px + env(safe-area-inset-bottom, 0px));
    border-radius: 10px;
  }
  .pk-collab-close-btn {
    top: 12px;
    right: 12px;
  }
  .pk-collab-header {
    gap: 14px;
    padding-bottom: 14px;
    margin-bottom: 16px;
  }
  .pk-collab-header-copy {
    padding-right: 34px;
  }
  .pk-collab-main-title {
    font-size: 1.25rem;
  }
  .pk-collab-main-sub {
    font-size: 0.78rem;
  }
  .pk-collab-filter-bar {
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }
  .pk-collab-filter-bar::-webkit-scrollbar {
    display: none;
  }
  .pk-collab-filter-btn {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 7px 11px;
    font-size: 0.65rem;
  }
  .pk-collab-inspector {
    padding: 14px;
    gap: 14px;
    margin-bottom: 18px;
  }
  .pk-ci-main {
    flex-direction: column;
    gap: 12px;
    flex: 1 1 100%;
  }
  .pk-ci-avatar-wrap {
    width: 50px;
    height: 50px;
  }
  .pk-ci-name {
    font-size: 1.05rem;
  }
  .pk-ci-desc {
    font-size: 0.76rem;
  }
  .pk-ci-chip {
    font-size: 0.62rem;
    padding: 5px 8px;
    white-space: normal;
    line-height: 1.4;
  }
  .pk-ci-actions {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  .pk-ll-header {
    padding: 15px 14px;
    gap: 12px;
  }
  .pk-ll-title-wrap {
    flex-direction: column;
    gap: 10px;
  }
  .pk-ll-title {
    font-size: 1.06rem;
  }
  .pk-ll-subtitle {
    font-size: 0.72rem;
  }
  .pk-ll-mode-bar {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
  }
  .pk-ll-mode-btn {
    padding: 7px 4px;
    font-size: 0.58rem;
    text-align: center;
  }
  .pk-ll-sec-banner {
    padding: 8px 14px;
    font-size: 0.58rem;
    gap: 4px;
  }
  .pk-ll-tiers-grid,
  .pk-ll-clauses-grid {
    padding: 14px 12px;
    gap: 12px;
  }
  .pk-ll-tier-box,
  .pk-ll-clause {
    padding: 13px;
  }
}

/* ================= Mobile Phone Hardware Workstation Gate ================= */
.pk-mobile-desktop-gate {
  display: none;
}

@media (max-width: 768px) and (pointer: coarse) {
  html:not(.pk-mobile-gate-dismissed) body {
    overflow: hidden !important;
  }
  html:not(.pk-mobile-gate-dismissed) .pk-mobile-desktop-gate {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: max(10px, env(safe-area-inset-top, 10px)) 10px max(16px, env(safe-area-inset-bottom, 16px));
    background:
      radial-gradient(ellipse 90vw 55vh at 50% 0%, rgba(245, 158, 11, 0.16), transparent 65%),
      radial-gradient(ellipse 80vw 45vh at 50% 100%, rgba(56, 189, 248, 0.08), transparent 65%),
      linear-gradient(rgba(255, 209, 102, 0.025) 1px, transparent 1px) 0 0 / 28px 28px,
      linear-gradient(90deg, rgba(255, 209, 102, 0.025) 1px, transparent 1px) 0 0 / 28px 28px,
      #060811;
    color: #f8fafc;
    text-align: left;
  }
}

.pk-mdg-card {
  position: relative;
  width: min(100%, 440px);
  margin: auto 0;
  padding: 16px 15px 15px;
  border-radius: 13px;
  background: linear-gradient(165deg, rgba(16, 20, 34, 0.95) 0%, rgba(9, 12, 22, 0.98) 100%);
  border: 1px solid rgba(245, 158, 11, 0.34);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.85), 0 0 24px rgba(245, 158, 11, 0.1);
}

.pk-mdg-corner {
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
}
.pk-mdg-tl { top: 7px; left: 7px; border-top: 2px solid #fbbf24; border-left: 2px solid #fbbf24; }
.pk-mdg-tr { top: 7px; right: 7px; border-top: 2px solid #fbbf24; border-right: 2px solid #fbbf24; }
.pk-mdg-bl { bottom: 7px; left: 7px; border-bottom: 2px solid #fbbf24; border-left: 2px solid #fbbf24; }
.pk-mdg-br { bottom: 7px; right: 7px; border-bottom: 2px solid #fbbf24; border-right: 2px solid #fbbf24; }

.pk-mdg-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 11px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pk-mdg-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.pk-mdg-logo {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.35));
}

.pk-mdg-brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.pk-mdg-brand-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #ffffff;
  line-height: 1.15;
}

.pk-mdg-brand-ver {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #fbbf24;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pk-mdg-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 9px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #e2e8f0;
  font-family: 'Kantumruy Pro', 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
}

.pk-mdg-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  padding: 10px 8px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: rgba(6, 8, 16, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.pk-mdg-device {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 3px;
  padding: 8px 4px;
  border-radius: 8px;
  min-width: 0;
}

.pk-mdg-device-phone {
  background: rgba(244, 63, 94, 0.07);
  border: 1px dashed rgba(244, 63, 94, 0.35);
  color: #fda4af;
}

.pk-mdg-device-kb {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.42);
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.12);
  color: #fde68a;
}

.pk-mdg-device-icon {
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pk-mdg-device-icon svg {
  width: 28px;
  height: 28px;
}

.pk-mdg-device-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 5px;
  border-radius: 4px;
  text-transform: uppercase;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pk-mdg-device-tag.tag-blocked {
  background: rgba(244, 63, 94, 0.16);
  color: #fb7185;
}

.pk-mdg-device-tag.tag-required {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
}

.pk-mdg-device-sub {
  font-size: 0.6rem;
  color: #94a3b8;
  line-height: 1.25;
}

.pk-mdg-arrow {
  color: #fbbf24;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pk-mdg-arrow svg {
  width: 18px;
  height: 18px;
}

.pk-mdg-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.38);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fbbf24;
  margin-bottom: 8px;
  max-width: 100%;
}

.pk-mdg-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f59e0b;
  box-shadow: 0 0 8px #f59e0b;
  flex-shrink: 0;
  animation: pkCollabFuturePulse 2s ease-in-out infinite;
}

.pk-mdg-title {
  font-family: 'Space Grotesk', 'Kantumruy Pro', sans-serif;
  font-size: clamp(1.08rem, 4.8vw, 1.28rem);
  font-weight: 800;
  line-height: 1.25;
  color: #ffffff;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.pk-mdg-lead {
  font-size: 0.78rem;
  line-height: 1.52;
  color: #94a3b8;
  margin: 0 0 10px;
}

/* Compact 3-Chip Hardware Spec Strip */
.pk-mdg-chip-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.pk-mdg-spec-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(245, 158, 11, 0.24);
  font-family: 'JetBrains Mono', 'Kantumruy Pro', monospace;
  font-size: 0.62rem;
  font-weight: 600;
  color: #e2e8f0;
}
.pk-mdg-spec-chip svg {
  color: #fbbf24;
  flex-shrink: 0;
}

.pk-mdg-specs-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 6px 9px;
  margin-bottom: 10px;
  border-radius: 7px;
  background: rgba(245, 158, 11, 0.07);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #fbbf24;
  font-family: 'JetBrains Mono', 'Kantumruy Pro', monospace;
  font-size: 0.62rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}
.pk-mdg-toggle-sign {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.2);
  font-size: 0.72rem;
  flex-shrink: 0;
}

.pk-mdg-reasons {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.pk-mdg-reasons[hidden] {
  display: none !important;
}

.pk-mdg-reason-item {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.pk-mdg-reason-icon {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.32);
  color: #fbbf24;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.pk-mdg-reason-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.pk-mdg-reason-copy strong {
  font-size: 0.74rem;
  font-weight: 700;
  color: #f1f5f9;
  line-height: 1.32;
}

.pk-mdg-reason-copy span {
  font-size: 0.68rem;
  color: #94a3b8;
  line-height: 1.44;
}

.pk-mdg-actions {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.pk-mdg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 9px;
  font-family: 'Space Grotesk', 'Kantumruy Pro', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s ease;
}

.pk-mdg-btn-primary {
  background: linear-gradient(135deg, #ffd166, #f59e0b);
  color: #120d04;
  border: none;
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3);
}

.pk-mdg-sub-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.pk-mdg-btn-secondary {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #e2e8f0;
  font-size: 0.72rem;
  padding: 8px 8px;
  white-space: nowrap;
}
.pk-mdg-btn-secondary.is-copied {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.pk-mdg-bypass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  margin-top: 2px;
  padding: 7px 8px;
  background: none;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: #94a3b8;
  font-family: 'JetBrains Mono', 'Kantumruy Pro', monospace;
  font-size: 0.62rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  line-height: 1.35;
}
.pk-mdg-bypass-btn:hover {
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.45);
}

/* Extra-Small Phone Overrides (320px - 375px width & compact height) */
@media (max-width: 375px) {
  .pk-mdg-card {
    padding: 13px 12px 12px;
    border-radius: 11px;
  }
  .pk-mdg-topbar {
    padding-bottom: 9px;
    margin-bottom: 10px;
  }
  .pk-mdg-brand-name {
    font-size: 0.74rem;
  }
  .pk-mdg-brand-ver {
    font-size: 0.48rem;
  }
  .pk-mdg-lang-btn {
    padding: 4px 7px;
    font-size: 0.65rem;
  }
  .pk-mdg-diagram {
    padding: 8px 6px;
    margin-bottom: 10px;
    gap: 4px;
  }
  .pk-mdg-device {
    padding: 6px 3px;
  }
  .pk-mdg-device-icon {
    height: 24px;
  }
  .pk-mdg-device-icon svg {
    width: 22px;
    height: 22px;
  }
  .pk-mdg-device-tag {
    font-size: 0.46rem;
    padding: 1px 4px;
  }
  .pk-mdg-device-sub {
    font-size: 0.54rem;
  }
  .pk-mdg-title {
    font-size: 1.02rem;
    margin-bottom: 6px;
  }
  .pk-mdg-lead {
    font-size: 0.73rem;
    line-height: 1.45;
    margin-bottom: 8px;
  }
  .pk-mdg-spec-chip {
    font-size: 0.57rem;
    padding: 3px 6px;
  }
  .pk-mdg-specs-toggle {
    font-size: 0.58rem;
    padding: 5px 8px;
    margin-bottom: 8px;
  }
  .pk-mdg-btn-primary {
    padding: 9px 10px;
    font-size: 0.74rem;
  }
  .pk-mdg-btn-secondary {
    padding: 7px 6px;
    font-size: 0.66rem;
  }
  .pk-mdg-bypass-btn {
    font-size: 0.56rem;
    padding: 6px 6px;
  }
  /* Extra-small phone tuning for Collaborators & Legal Ledger modal */
  .pk-collab-modal-card {
    width: 98vw;
    padding: 14px 10px calc(16px + env(safe-area-inset-bottom, 0px));
  }
  .pk-collab-card {
    padding: 14px 12px 12px;
  }
  .pk-cc-avatar-ring {
    width: 44px;
    height: 44px;
  }
  .pk-ll-mode-btn {
    font-size: 0.52rem;
    padding: 6px 2px;
  }
}