:root{
    --bg:#0a0a0a;
    --panel:#141414;
    --panel-2:#1c1c1c;
    --board-1:#1a1a1d;
    --board-2:#222226;
    --metal:#55555c;
    --string-color:#6b6b74;
    --nut:#e5e5e5;
    --inlay:#e5e5e5;
    --cream:#f5f5f5;
    --muted:#8a8a8a;
    --muted-2:#616161;
    --root:#f5b83d;
    --root-2:#c9911f;
    --root-text:#1a1206;
    --root-ring:#fde68a;
    --scale:#34d399;
    --scale-text:#062017;
    --chord:#a855f7;
    --chord-text:#2a0a3d;
    --fifth:#fb7185;
    --fifth-text:#3a0712;
    --accent:#8b5cf6;
    --accent-2:#6d28d9;
    --select:#22d3ee;
    --select-text:#052a30;
    --line:#262626;
    --hover-bg:#262626;
    --hover-overlay:rgba(255,255,255,0.06);
    --shadow-sm:rgba(0,0,0,.35);
    --shadow-lg:rgba(0,0,0,.55);
    --body-glow-1:#161616;
    --body-glow-2:#111111;
    --pos-1:#60a5fa;
    --pos-2:#34d399;
    --pos-3:#f97316;
    --pos-4:#facc15;
    --pos-5:#ec4899;
    --capo-1:#c4b5fd;
    --capo-2:#8b5cf6;
    --capo-3:#6d28d9;
    --live:#a3e635;
    --live-flat:#f87171;
    --live-sharp:#fbbf24;
  }
  :root[data-theme="light"]{
    --bg:#ffffff;
    --panel:#ffffff;
    --panel-2:#f4f4f5;
    --board-1:#fbfbfb;
    --board-2:#ececee;
    --metal:#a1a1aa;
    --string-color:#71717a;
    --nut:#27272a;
    --inlay:#a1a1aa;
    --cream:#18181b;
    --muted:#52525b;
    --muted-2:#71717a;
    --root:#e8952a;
    --root-2:#b8791f;
    --root-text:#1a1206;
    --root-ring:#b45309;
    --scale:#0f9d69;
    --scale-text:#eafff5;
    --chord:#9333ea;
    --chord-text:#faf0ff;
    --fifth:#e11d48;
    --fifth-text:#fff0f2;
    --accent:#7c3aed;
    --accent-2:#5b21b6;
    --select:#0e7490;
    --select-text:#e6fbff;
    --line:#e4e4e7;
    --hover-bg:#ececee;
    --hover-overlay:rgba(0,0,0,0.05);
    --shadow-sm:rgba(0,0,0,.10);
    --shadow-lg:rgba(0,0,0,.16);
    --body-glow-1:#ffffff;
    --body-glow-2:#ffffff;
    --pos-1:#2563eb;
    --pos-2:#0f9d69;
    --pos-3:#c2410c;
    --pos-4:#a16207;
    --pos-5:#be185d;
    --capo-1:#ddd6fe;
    --capo-2:#7c3aed;
    --capo-3:#5b21b6;
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    background:
      radial-gradient(ellipse at 20% -10%, var(--body-glow-1) 0%, transparent 55%),
      radial-gradient(ellipse at 100% 0%, var(--body-glow-2) 0%, transparent 50%),
      var(--bg);
    color:var(--cream);
    font-family:'Inter',sans-serif;
    min-height:100vh;
    padding:32px 20px 60px;
    transition:background-color .2s ease, color .2s ease;
  }
  .app{max-width:980px;margin:0 auto;}

  header{margin-bottom:28px;position:relative;}
  .eyebrow{
    font-family:'JetBrains Mono',monospace;
    font-size:11px;
    letter-spacing:.18em;
    text-transform:uppercase;
    color:var(--accent);
    margin:0 0 8px;
  }
  h1{
    font-family:'Sora',sans-serif;
    font-weight:700;
    font-size:clamp(30px,5vw,44px);
    margin:0 0 6px;
    color:var(--nut);
    letter-spacing:-0.01em;
  }
  .subtitle{
    color:var(--muted);
    font-size:14.5px;
    max-width:100%;
    line-height:1.5;
    margin:0;
  }

  .top-row{
    display:flex;
    gap:16px;
    align-items:stretch;
    flex-wrap:wrap;
    margin-bottom:22px;
  }
  .controls{
    display:flex;
    flex-direction:column;
    gap:16px;
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:20px;
    flex:1 1 320px;
    min-width:0;
    max-width:100%;
  }
  .metronome{
    display:flex;
    flex-direction:column;
    gap:14px;
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:18px;
    flex:1 1 320px;
    min-width:0;
    max-width:100%;
  }
  .metro-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
  .metro-sound-select{
    width:auto;
    min-width:110px;
    align-self:flex-start;
    -webkit-appearance:none;
    appearance:none;
    cursor:pointer;
    padding:9px 34px 9px 13px;
    border-radius:10px;
    background:var(--panel-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%238a8a8a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
    border:1px solid var(--line);
    color:var(--cream);
    font-family:'Inter',sans-serif;
    font-size:13px;
    font-weight:500;
  }
  .metro-timesig{
    all:unset;
    cursor:pointer;
    font-family:'JetBrains Mono',monospace;
    font-size:11px;
    font-weight:700;
    color:var(--muted);
    background:var(--panel-2);
    border:1px solid var(--line);
    border-radius:6px;
    padding:2px 7px;
    transition:color .15s ease, background .15s ease;
  }
  .metro-timesig:hover{color:var(--cream);background:var(--hover-bg);}
  .metro-beats{display:flex;gap:6px;justify-content:center;}
  .metro-beat-dot{
    width:11px;height:11px;
    border-radius:50%;
    background:var(--panel-2);
    border:1px solid var(--line);
    transition:background .06s ease, transform .06s ease, border-color .06s ease;
  }
  .metro-beat-dot.on{
    background:var(--accent);
    border-color:var(--accent);
    transform:scale(1.2);
  }
  .metro-beat-dot.accent.on{
    background:var(--root);
    border-color:var(--root);
  }
  .metro-bpm-row{display:flex;align-items:center;justify-content:center;gap:14px;}
  .metro-step-btn{
    all:unset;
    cursor:pointer;
    width:26px;height:26px;
    border-radius:50%;
    background:var(--panel-2);
    border:1px solid var(--line);
    color:var(--muted);
    display:flex;align-items:center;justify-content:center;
    font-family:'Sora',sans-serif;
    font-weight:700;
    font-size:15px;
    flex:none;
    transition:background .15s ease, color .15s ease;
  }
  .metro-step-btn:hover{color:var(--cream);background:var(--hover-bg);}
  .metro-bpm-display{display:flex;flex-direction:column;align-items:center;min-width:52px;}
  .metro-bpm-value{
    font-family:'JetBrains Mono',monospace;
    font-size:24px;
    font-weight:700;
    color:var(--cream);
    line-height:1.1;
  }
  .metro-bpm-label{
    font-family:'JetBrains Mono',monospace;
    font-size:9px;
    letter-spacing:.12em;
    color:var(--muted-2);
  }
  .metro-slider{
    -webkit-appearance:none;
    appearance:none;
    width:100%;
    height:4px;
    border-radius:2px;
    background:var(--panel-2);
    outline:none;
    cursor:pointer;
  }
  .metro-slider::-webkit-slider-thumb{
    -webkit-appearance:none;
    appearance:none;
    width:15px;height:15px;
    border-radius:50%;
    background:linear-gradient(180deg,var(--accent),var(--accent-2));
    border:2px solid var(--cream);
    cursor:pointer;
  }
  .metro-slider::-moz-range-thumb{
    width:15px;height:15px;
    border-radius:50%;
    background:linear-gradient(180deg,var(--accent),var(--accent-2));
    border:2px solid var(--cream);
    cursor:pointer;
  }
  .metro-actions{display:flex;align-items:center;gap:10px;}
  .metro-play-btn{
    all:unset;
    cursor:pointer;
    width:38px;height:38px;
    border-radius:50%;
    background:linear-gradient(180deg,var(--accent),var(--accent-2));
    color:#f5f0ff;
    display:flex;align-items:center;justify-content:center;
    flex:none;
    box-shadow:0 2px 6px var(--shadow-sm);
    transition:filter .15s ease;
  }
  .metro-play-btn:hover{filter:brightness(1.1);}
  .metro-play-btn .metro-play-icon{margin-left:2px;}
  .metro-tap-btn{
    all:unset;
    cursor:pointer;
    flex:1;
    text-align:center;
    padding:8px 10px;
    border-radius:8px;
    background:var(--panel-2);
    border:1px solid var(--line);
    color:var(--cream);
    font-size:12.5px;
    font-family:'Inter',sans-serif;
    font-weight:500;
    transition:background .15s ease;
  }
  .metro-tap-btn:hover{background:var(--hover-bg);}
  .metro-tap-btn:active{background:var(--accent-2);}
  .control-row{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-start;}
  .control-group{display:flex;flex-direction:column;gap:8px;}
  .control-label{
    font-family:'JetBrains Mono',monospace;
    font-size:10.5px;
    letter-spacing:.12em;
    text-transform:uppercase;
    color:var(--muted-2);
  }
  .seg{
    display:flex;
    gap:4px;
    background:var(--panel-2);
    padding:4px;
    border-radius:10px;
    border:1px solid var(--line);
    flex-wrap:wrap;
    position:relative;
  }
  .seg button{
    all:unset;
    cursor:pointer;
    padding:7px 13px;
    border-radius:7px;
    font-family:'Inter',sans-serif;
    font-size:13px;
    font-weight:500;
    color:var(--muted);
    transition:color .15s ease;
    white-space:nowrap;
    position:relative;
    z-index:1;
    text-align:center;
  }
  .seg button:hover{color:var(--cream);}
  .seg button.active{
    color:#f5f0ff;
  }
  .seg.mono button{font-family:'JetBrains Mono',monospace;}
  .seg-slider{
    position:absolute;
    top:0; left:0;
    border-radius:7px;
    background:linear-gradient(180deg,var(--accent),var(--accent-2));
    box-shadow:0 1px 0 rgba(0,0,0,.3) inset, 0 2px 6px var(--shadow-sm);
    transition:transform .28s cubic-bezier(.34,1.4,.64,1), width .28s cubic-bezier(.34,1.4,.64,1), height .28s cubic-bezier(.34,1.4,.64,1), opacity .15s ease;
    opacity:0;
    z-index:0;
    pointer-events:none;
  }

  .root-grid{
    display:grid;
    grid-template-columns:repeat(7,minmax(0,1fr));
    gap:5px;
    background:var(--panel-2);
    padding:6px;
    border-radius:10px;
    border:1px solid var(--line);
    position:relative;
  }
  .root-grid button{
    all:unset;
    cursor:pointer;
    text-align:center;
    padding:8px 4px;
    border-radius:7px;
    font-family:'JetBrains Mono',monospace;
    font-size:13px;
    font-weight:500;
    color:var(--muted);
    transition:color .15s ease;
    position:relative;
    z-index:1;
  }
  .root-grid button:hover{color:var(--cream);}
  .root-grid button.active{
    color:var(--root-text);
    font-weight:700;
  }
  .root-slider{
    position:absolute;
    top:0; left:0;
    border-radius:7px;
    background:linear-gradient(180deg,var(--root),var(--root-2));
    transition:transform .28s cubic-bezier(.34,1.4,.64,1), width .28s cubic-bezier(.34,1.4,.64,1), height .28s cubic-bezier(.34,1.4,.64,1), opacity .15s ease;
    opacity:0;
    z-index:0;
    pointer-events:none;
  }

  .board-wrap{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:18px 6px;
    margin-bottom:18px;
  }
  .board-scroll{overflow-x:auto;}
  #board{min-width:640px;}
  .board-footer{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:8px 16px;
    padding:14px 10px 0;
  }
  .board-key-hint{
    grid-column:3;
    justify-self:end;
    display:flex;
    justify-content:flex-end;
    flex-wrap:wrap;
    gap:10px;
    font-size:10px;
    color:var(--muted);
  }
  .board-key-hint span{display:inline-flex;align-items:center;gap:4px;}
  .board-key-hint .swatch{width:9px;height:9px;}
  #board svg{display:block;}

  .note-dot{opacity:0;transform:scale(.4);transform-box:fill-box;transform-origin:center;animation:pop .32s cubic-bezier(.2,.8,.3,1.2) forwards;}
  .note-static{opacity:1;}
  @keyframes pop{to{opacity:1;transform:scale(1);}}
  @media (prefers-reduced-motion: reduce){
    .note-dot{animation:none !important;opacity:1;transform:none;}
  }
  @media (max-width: 640px){
    .metronome{width:100%;flex:1 1 100%;}
  }
  #board svg g[onclick]:hover circle:first-child{ filter:brightness(1.18); }

  .clear-btn{
    all:unset;
    cursor:pointer;
    padding:7px 13px;
    border-radius:8px;
    background:var(--panel-2);
    border:1px solid var(--line);
    color:var(--cream);
    font-size:12.5px;
    font-family:'Inter',sans-serif;
    font-weight:500;
    transition:background .15s ease;
    white-space:nowrap;
  }
  .clear-btn:hover{background:var(--hover-bg);}

  .board-toolbar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:0 12px;
    margin-bottom:8px;
    position:relative;
  }
  .toolbar-left{display:flex;align-items:center;gap:10px;}
  .toolbar-right{display:flex;align-items:center;gap:8px;}
  .icon-btn{
    all:unset;
    cursor:pointer;
    width:28px;height:28px;
    border-radius:50%;
    background:var(--panel-2);
    border:1px solid var(--line);
    color:var(--muted);
    display:flex;align-items:center;justify-content:center;
    font-family:'Sora',sans-serif;
    font-weight:700;
    font-size:13px;
    flex:none;
    transition:background .15s ease, color .15s ease;
  }
  .icon-btn.active{
    background:var(--live);
    border-color:var(--live);
    color:#0a1a02;
    animation:pitchPulse 1.6s ease-in-out infinite;
  }
  @keyframes pitchPulse{
    0%,100%{ box-shadow:0 0 0 0 color-mix(in srgb, var(--live) 45%, transparent); }
    50%{ box-shadow:0 0 0 6px color-mix(in srgb, var(--live) 0%, transparent); }
  }
  .pitch-device-select{
    width:auto;
    max-width:160px;
    -webkit-appearance:none;
    appearance:none;
    cursor:pointer;
    padding:6px 26px 6px 10px;
    border-radius:8px;
    background:var(--panel-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%238a8a8a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 8px center;
    border:1px solid var(--line);
    color:var(--cream);
    font-family:'Inter',sans-serif;
    font-size:12px;
    font-weight:500;
  }
  .pitch-readout{
    display:flex;
    align-items:center;
    gap:8px;
    padding:3px 10px;
    border-radius:8px;
    background:var(--panel-2);
    border:1px solid var(--line);
  }
  .pitch-note{
    font-family:'JetBrains Mono', monospace;
    font-weight:700;
    font-size:12.5px;
    color:var(--cream);
    min-width:34px;
  }
  .pitch-note.pitch-error{ color:var(--fifth); font-family:'Inter',sans-serif; font-weight:500; font-size:11px; }
  .pitch-meter{
    position:relative;
    width:64px;
    height:6px;
    border-radius:3px;
    background:var(--line);
    overflow:hidden;
  }
  .pitch-meter::before{
    content:'';
    position:absolute;
    left:50%; top:0;
    width:1px; height:100%;
    background:var(--muted-2);
  }
  .pitch-meter-fill{
    position:absolute;
    left:50%; top:0;
    width:6px; height:6px;
    border-radius:50%;
    background:var(--live-sharp);
    transform:translateX(-3px);
    transition:transform .08s linear, background .1s ease;
  }
  .pitch-meter-fill.in-tune{ background:var(--live); }

  .theme-toggle-btn{
    position:absolute;
    top:0;
    right:0;
    width:28px;
    padding:0;
    justify-content:flex-start;
    overflow:hidden;
    border-radius:14px;
    transition:width .5s cubic-bezier(.34,1.4,.64,1), background .15s ease;
  }
  .theme-toggle-btn.expanded,
  .theme-toggle-btn:focus-visible{
    width:var(--theme-toggle-expanded-width, 122px);
  }
  /* hover-expand only for devices with a real pointer — on touch, :hover can
     get "stuck" open after a tap until the user taps elsewhere, so touch
     devices rely solely on the .expanded class instead (added on tap,
     auto-removed after ~450ms by app.js) */
  @media (hover:hover){
    .theme-toggle-btn:hover{
      width:var(--theme-toggle-expanded-width, 122px);
    }
  }
  .theme-toggle-icon{
    display:flex;
    align-items:center;
    justify-content:center;
    flex:none;
    width:28px;
    height:28px;
  }
  .theme-toggle-label{
    font-family:'Inter',sans-serif;
    font-size:11.5px;
    font-weight:500;
    white-space:nowrap;
    color:var(--cream);
    opacity:0;
    padding-right:12px;
    transition:opacity .18s ease;
  }
  .theme-toggle-btn.expanded .theme-toggle-label,
  .theme-toggle-btn:focus-visible .theme-toggle-label{
    opacity:1;
    transition:opacity .18s ease .08s;
  }
  @media (hover:hover){
    .theme-toggle-btn:hover .theme-toggle-label{
      opacity:1;
      transition:opacity .18s ease .08s;
    }
  }
  .icon-btn:hover{color:var(--cream);background:var(--hover-bg);}

  .disp-icon-seg{
    display:flex;
    gap:4px;
    background:var(--panel-2);
    padding:4px;
    border-radius:10px;
    border:1px solid var(--line);
  }
  .disp-icon-seg button{
    all:unset;
    cursor:pointer;
    min-width:34px;
    height:28px;
    padding:0 8px;
    border-radius:7px;
    display:flex;align-items:center;justify-content:center;
    font-family:'JetBrains Mono',monospace;
    font-weight:700;
    font-size:12px;
    color:var(--muted);
    transition:background .15s ease, color .15s ease;
  }
  .disp-icon-seg button:hover{color:var(--cream);}
  .disp-icon-seg button.active{
    background:linear-gradient(180deg,var(--accent),var(--accent-2));
    color:#f5f0ff;
  }

  .modal-overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.6);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:200;
    padding:20px;
  }
  .modal-overlay.open{display:flex;}
  .modal-box{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:22px;
    width:340px;
    max-width:100%;
    box-shadow:0 20px 60px var(--shadow-lg);
  }
  .modal-box h3{
    margin:0 0 14px;
    font-family:'Sora',sans-serif;
    font-weight:700;
    font-size:16px;
    color:var(--cream);
  }
  .toggle-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:12px 0;
  }
  .toggle-row span{font-size:13.5px;color:var(--cream);}
  .switch{position:relative;display:inline-block;width:40px;height:22px;flex:none;}
  .switch input{opacity:0;width:0;height:0;position:absolute;}
  .switch-slider{
    position:absolute;
    inset:0;
    cursor:pointer;
    background:var(--panel-2);
    border:1px solid var(--line);
    border-radius:999px;
    transition:background .15s ease;
  }
  .switch-slider:before{
    content:"";
    position:absolute;
    height:16px;width:16px;
    left:2px;top:2px;
    background:var(--muted);
    border-radius:50%;
    transition:transform .15s ease, background .15s ease;
  }
  .switch input:checked + .switch-slider{background:linear-gradient(180deg,var(--accent),var(--accent-2));border-color:transparent;}
  .switch input:checked + .switch-slider:before{transform:translateX(18px);background:#fff;}
  .modal-actions{
    display:flex;
    justify-content:flex-end;
    gap:8px;
    margin-top:18px;
  }
  .btn-secondary, .btn-primary{
    all:unset;
    cursor:pointer;
    padding:8px 16px;
    border-radius:8px;
    font-family:'Inter',sans-serif;
    font-size:13px;
    font-weight:600;
  }
  .btn-secondary{background:var(--panel-2);color:var(--muted);border:1px solid var(--line);}
  .btn-secondary:hover{color:var(--cream);}
  .btn-primary{background:linear-gradient(180deg,var(--accent),var(--accent-2));color:#f5f0ff;}

  .legend{
    display:flex;
    flex-wrap:wrap;
    gap:24px;
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:18px 20px;
    margin-bottom:14px;
  }
  .legend-item .l-label{
    font-family:'JetBrains Mono',monospace;
    font-size:10.5px;
    letter-spacing:.1em;
    text-transform:uppercase;
    color:var(--muted-2);
    margin-bottom:4px;
  }
  .legend-item .l-value{
    font-family:'JetBrains Mono',monospace;
    font-size:15px;
    color:var(--cream);
    font-weight:500;
  }
  .l-value .dim{color:var(--muted);font-weight:400;}

  .swatch{width:14px;height:14px;border-radius:50%;display:inline-block;}

  .board-hint{
    grid-column:2;
    justify-self:center;
    text-align:center;
    color:var(--muted-2);
    font-size:11px;
    margin:0;
  }

  footer{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:8px 16px;
    text-align:center;
    color:var(--muted-2);
    font-size:12px;
    margin-top:10px;
  }
  .footer-links{
    grid-column:2;
    justify-self:center;
    margin-top:6px;
  }
  .footer-links a{
    color:var(--muted-2);
    text-decoration:none;
  }
  .footer-links a:hover{
    color:var(--muted);
    text-decoration:underline;
  }
  .github-link{
    display:inline-flex;
    align-items:center;
    gap:5px;
    vertical-align:-2px;
  }
  .bmc-wrap{
    position:relative;
    display:inline-block;
  }
  .bmc-qr{
    position:absolute;
    bottom:26px;
    left:50%;
    transform:translateX(-50%) scale(.94);
    background:#fff;
    padding:8px;
    border-radius:10px;
    box-shadow:0 10px 28px var(--shadow-lg);
    opacity:0;
    pointer-events:none;
    transition:opacity .15s ease, transform .15s ease;
    z-index:60;
  }
  .bmc-wrap:hover .bmc-qr,
  .bmc-wrap:focus-within .bmc-qr{
    opacity:1;
    transform:translateX(-50%) scale(1);
  }

  .version-badge{
    grid-column:3;
    justify-self:end;
    font-family:'JetBrains Mono',monospace;
    font-size:11px;
    color:var(--muted-2);
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:999px;
    padding:4px 10px;
    text-decoration:none;
    opacity:.75;
    transition:opacity .15s ease, color .15s ease;
  }
  .version-badge:hover{
    opacity:1;
    color:var(--cream);
  }

  .note-tip{
    position:fixed;
    pointer-events:none;
    background:var(--panel-2);
    border:1px solid var(--line);
    color:var(--cream);
    font-family:'JetBrains Mono',monospace;
    font-size:12px;
    font-weight:700;
    padding:4px 9px;
    border-radius:6px;
    opacity:0;
    transition:opacity .1s ease;
    z-index:100;
    box-shadow:0 4px 14px var(--shadow-lg);
    transform:translate(-50%,-135%);
    white-space:nowrap;
  }
  .chrom-hit{ fill:transparent; cursor:default; transition:fill .12s ease; }
  .chrom-hit:hover{ fill:var(--hover-overlay); }
  circle.chrom-hit.live-hit{ fill:var(--live); opacity:0.5; }
  g.live-hit circle:first-child{
    stroke:var(--live) !important;
    stroke-width:3px !important;
    filter:drop-shadow(0 0 5px var(--live));
  }

  .legal-page .app{max-width:720px;}
  .back-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--accent);
    text-decoration:none;
    font-family:'JetBrains Mono',monospace;
    font-size:12px;
    letter-spacing:.04em;
    margin-bottom:18px;
  }
  .back-link:hover{text-decoration:underline;}
  .legal-content{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:26px 28px;
    color:var(--cream);
    font-size:14px;
    line-height:1.7;
  }
  .legal-content h2{
    font-family:'Sora',sans-serif;
    font-size:16px;
    margin:22px 0 8px;
    color:var(--nut);
  }
  .legal-content h2:first-child{margin-top:0;}
  .legal-content p{margin:0 0 12px;color:var(--muted);}
  .legal-content ul{margin:0 0 12px;padding-left:20px;color:var(--muted);}
  .legal-content li{margin-bottom:6px;}
  .legal-updated{
    color:var(--muted-2);
    font-size:11.5px;
    font-family:'JetBrains Mono',monospace;
    margin-bottom:20px;
  }

  /* placed last so it wins the cascade over the equal-specificity base
     rules above, regardless of source order within this file */
  @media (max-width: 640px){
    .top-row{flex-direction:column;}
    .controls,.metronome{flex:1 1 100%;}
    footer{grid-template-columns:1fr;justify-items:center;}
    .footer-links{grid-column:1;justify-self:center;}
    .version-badge{grid-column:1;justify-self:end;}
    .board-footer{grid-template-columns:1fr;justify-items:center;}
    .board-hint{grid-column:1;justify-self:center;}
    .board-key-hint{grid-column:1;justify-self:center;justify-content:center;}
    .board-toolbar{flex-direction:column;align-items:stretch;gap:10px;}
    .toolbar-left{flex-wrap:wrap;row-gap:10px;}
    .toolbar-right{justify-content:flex-end;flex-wrap:wrap;row-gap:10px;}
    #selModeSeg{flex:1 1 100%;}
    #selModeSeg button{flex:1;text-align:center;}
  }