:root {
    --bg-0: #07070c;
    --bg-1: #0e0e18;
    --bg-2: #15162400;
    --panel: rgba(18, 19, 32, 0.78);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text: #e8ecff;
    --text-dim: #8a90b3;
    --accent: #7c5cff;
    --rh: #ff3da6;   /* neon pink — right hand */
    --rh-glow: rgba(255, 61, 166, 0.55);
    --lh: #00d4ff;   /* neon blue — left hand */
    --lh-glow: rgba(0, 212, 255, 0.55);
    --white-key: #f5f6fb;
    --white-key-edge: #c9cde0;
    --black-key: #15161f;
    --black-key-edge: #000;
    --hit-line: #ffffff;
    --good: #36e07f;
  }

  * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
  html, body {
    margin: 0; padding: 0; height: 100%; width: 100%;
    background: radial-gradient(ellipse at top, #11122a 0%, var(--bg-0) 60%);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    overflow: hidden;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
  }

  #app { position: fixed; inset: 0; }

  canvas#stage {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    display: block;
    background: linear-gradient(180deg, #07070c 0%, #0a0a18 50%, #050509 100%);
  }

  /* ---------- Top bar ---------- */
  .topbar {
    position: absolute; top: 10px; left: 10px; right: 10px;
    display: flex; gap: 8px; align-items: center; justify-content: space-between;
    pointer-events: auto; cursor: pointer;
    z-index: 10;
  }
  .brand {
    pointer-events: auto;
    background: var(--panel);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--panel-border);
    padding: 8px 14px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    display: flex; align-items: center; gap: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }
  .brand .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: linear-gradient(135deg, var(--rh), var(--lh));
    box-shadow: 0 0 12px var(--rh-glow);
  }
  .topbar-right {
    pointer-events: auto;
    display: flex; gap: 8px;
  }
  .pill {
    background: var(--panel);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--panel-border);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-dim);
    display: flex; align-items: center; gap: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }
  .pill.ok { color: var(--good); }
  .pill.warn { color: #ffb84d; }
  .pill .led {
    width: 7px; height: 7px; border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 8px currentColor;
  }

  /* ---------- Control Panel ---------- */
  .panel {
    position: absolute;
    top: 112px; right: 10px; left: auto;
    width: 280px;
    max-width: calc(100vw - 20px);
    max-height: calc(100vh - 122px);
    max-height: calc(100dvh - 122px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: var(--panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 12px;
    z-index: 10;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    transition: transform 0.25s ease, opacity 0.25s ease;
    transform-origin: top right;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.18) transparent;
  }
  .panel::-webkit-scrollbar { width: 8px; }
  .panel::-webkit-scrollbar-track { background: transparent; }
  .panel::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.18);
    border-radius: 8px;
  }
  .panel::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.28); }
  .panel.collapsed { transform: scale(0.95) translateY(-10px); opacity: 0; pointer-events: none; }

  .panel h3 {
    margin: 4px 4px 10px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-dim);
    font-weight: 600;
  }

  .row { display: flex; gap: 6px; margin-bottom: 8px; }
  .row:last-child { margin-bottom: 0; }

  .btn {
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text);
    padding: 9px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: center;
  }
  .btn:hover { background: rgba(255,255,255,0.08); }
  .btn:active { transform: scale(0.97); }
  .btn.active {
    background: linear-gradient(135deg, var(--accent), #5a3dff);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 14px rgba(124, 92, 255, 0.4);
  }
  .btn.hand-rh.active {
    background: linear-gradient(135deg, var(--rh), #d62a85);
    box-shadow: 0 4px 14px var(--rh-glow);
  }
  .btn.hand-lh.active {
    background: linear-gradient(135deg, var(--lh), #00a4cc);
    box-shadow: 0 4px 14px var(--lh-glow);
  }
  .btn.hand-both.active {
    background: linear-gradient(135deg, var(--lh), var(--rh));
  }

  .slider-wrap {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 8px 10px;
  }
  .slider-wrap label {
    display: flex; justify-content: space-between;
    font-size: 11px; color: var(--text-dim);
    margin-bottom: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .slider-wrap label .val { color: var(--text); font-variant-numeric: tabular-nums; }
  input[type="range"] {
    width: 100%; -webkit-appearance: none; appearance: none;
    background: transparent; height: 18px;
  }
  input[type="range"]::-webkit-slider-runnable-track {
    height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px;
  }
  input[type="range"]::-moz-range-track {
    height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px;
  }
  input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--accent);
    margin-top: -6px;
    box-shadow: 0 2px 8px rgba(124, 92, 255, 0.6);
    cursor: pointer;
  }
  input[type="range"]::-moz-range-thumb {
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--accent); border: none;
    box-shadow: 0 2px 8px rgba(124, 92, 255, 0.6);
    cursor: pointer;
  }

  .file-btn {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, #1c1d2e, #15162400);
    border: 1.5px dashed rgba(255,255,255,0.15);
    color: var(--text);
    padding: 14px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
  }
  .file-btn:hover { border-color: var(--accent); background: rgba(124,92,255,0.08); }
  .file-btn .filename {
    display: block; font-size: 10px; color: var(--text-dim);
    margin-top: 4px; font-weight: 400;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  input[type="file"] { display: none; }

  /* ---------- Transport ---------- */
  .transport {
    position: absolute;
    top: 56px;
    right: 10px;
    left: auto;
    transform: none;
    display: flex; gap: 6px;
    background: var(--panel);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--panel-border);
    border-radius: 999px;
    padding: 6px;
    z-index: 10;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }
  .tbtn {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--text);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s ease;
    font-size: 14px;
  }
  .tbtn:hover { background: rgba(255,255,255,0.1); }
  .tbtn:active { transform: scale(0.92); }
  .tbtn.play { background: linear-gradient(135deg, var(--accent), #5a3dff); }
  .tbtn.play.paused { background: linear-gradient(135deg, var(--good), #2ab864); }

  /* ---------- Wait-for-note indicator (hidden — labels now render on the falling blocks) ---------- */
  .wait-banner {
    display: none !important;
  }

  /* ---------- Timeline scrubber ---------- */
  .timeline-wrap {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 8px 10px;
  }
  .timeline-wrap label {
    display: flex; justify-content: space-between;
    font-size: 11px; color: var(--text-dim);
    margin-bottom: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .timeline-wrap label .val { color: var(--text); font-variant-numeric: tabular-nums; }
  input[type="range"]#timelineSlider::-webkit-slider-runnable-track {
    height: 6px;
    background: linear-gradient(90deg, var(--lh), var(--rh));
    border-radius: 3px;
    box-shadow: inset 0 0 6px rgba(0,0,0,0.4);
  }
  input[type="range"]#timelineSlider::-moz-range-track {
    height: 6px;
    background: linear-gradient(90deg, var(--lh), var(--rh));
    border-radius: 3px;
  }
  input[type="range"]#timelineSlider::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 18px; height: 18px; border-radius: 50%;
    background: #fff;
    margin-top: -6px;
    box-shadow: 0 0 10px rgba(255,255,255,0.7), 0 0 18px var(--rh-glow);
    cursor: pointer;
    border: 2px solid var(--accent);
  }
  input[type="range"]#timelineSlider::-moz-range-thumb {
    width: 18px; height: 18px; border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 10px rgba(255,255,255,0.7), 0 0 18px var(--rh-glow);
    cursor: pointer;
    border: 2px solid var(--accent);
  }

  /* ---------- A-B Loop button (sits beneath the timeline scrubber) ---------- */
  .loop-row {
    display: flex; align-items: center; gap: 8px;
    margin-top: 8px;
  }
  .loop-btn {
    flex: 0 0 auto;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--text);
    padding: 7px 12px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.18s ease;
    display: inline-flex; align-items: center; gap: 6px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
  }
  .loop-btn::before {
    content: "";
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255,255,255,0.35);
    box-shadow: 0 0 6px rgba(255,255,255,0.2);
    transition: background 0.18s ease, box-shadow 0.18s ease;
  }
  .loop-btn:hover {
    border-color: rgba(124,92,255,0.55);
    box-shadow: 0 0 0 1px rgba(124,92,255,0.25), 0 4px 12px rgba(124,92,255,0.18);
  }
  .loop-btn.set-start {
    background: linear-gradient(135deg, rgba(255,61,166,0.20), rgba(255,61,166,0.08));
    border-color: rgba(255,61,166,0.55);
    color: #ffdfee;
    box-shadow: 0 0 0 1px rgba(255,61,166,0.30), 0 0 14px rgba(255,61,166,0.30);
  }
  .loop-btn.set-start::before {
    background: var(--rh);
    box-shadow: 0 0 10px var(--rh-glow);
  }
  .loop-btn.looping {
    background: linear-gradient(135deg, rgba(54,224,127,0.22), rgba(54,224,127,0.08));
    border-color: rgba(54,224,127,0.55);
    color: #d6ffe6;
    box-shadow: 0 0 0 1px rgba(54,224,127,0.32), 0 0 14px rgba(54,224,127,0.30);
    animation: loopPulse 1.6s ease-in-out infinite;
  }
  .loop-btn.looping::before {
    background: var(--good);
    box-shadow: 0 0 10px rgba(54,224,127,0.7);
  }
  @keyframes loopPulse {
    0%, 100% { box-shadow: 0 0 0 1px rgba(54,224,127,0.32), 0 0 14px rgba(54,224,127,0.30); }
    50%      { box-shadow: 0 0 0 1px rgba(54,224,127,0.55), 0 0 22px rgba(54,224,127,0.55); }
  }
  .loop-display {
    flex: 1;
    font-size: 10px;
    color: var(--text-dim);
    font-weight: 600;
    letter-spacing: 0.5px;
    font-variant-numeric: tabular-nums;
    text-align: right;
    line-height: 1.3;
  }
  .loop-display b {
    color: var(--text);
    font-weight: 700;
  }

  /* ---------- Toggle Panel Button ---------- */
  .toggle-panel {
    position: absolute;
    top: 10px; right: 10px;
    width: 38px; height: 38px;
    border-radius: 12px;
    background: var(--panel);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--panel-border);
    color: var(--text);
    cursor: pointer;
    display: none;
    align-items: center; justify-content: center;
    z-index: 11;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }

  /* ---------- Start overlay ---------- */
  .start-overlay {
    position: absolute; inset: 0;
    background: rgba(7, 7, 12, 0.85);
    backdrop-filter: blur(10px);
    z-index: 100;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column; gap: 16px;
    text-align: center;
    padding: 20px;
  }
  .start-overlay.hidden { display: none; }
  .start-overlay h1 {
    font-size: 28px; margin: 0;
    background: linear-gradient(135deg, var(--lh), var(--rh));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
    letter-spacing: -0.5px;
  }
  .start-overlay p { color: var(--text-dim); font-size: 13px; margin: 0; max-width: 360px; }
  .start-btn {
    background: linear-gradient(135deg, var(--accent), #5a3dff);
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(124, 92, 255, 0.5);
    margin-top: 8px;
  }
  .start-btn:active { transform: scale(0.97); }
  .start-dismiss {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 2px;
    color: var(--text-dim);
    font-size: 12px;
    cursor: pointer;
  }
  .start-dismiss input {
    width: 15px;
    height: 15px;
    margin: 0;
    accent-color: var(--accent);
    cursor: pointer;
  }

  /* ---------- Score HUD ---------- */
  .score-hud {
    pointer-events: none;
    background: var(--panel);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--panel-border);
    padding: 8px 14px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.5px;
    display: flex; align-items: center; gap: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    font-variant-numeric: tabular-nums;
  }
  .score-hud .lbl {
    font-size: 10px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
  }
  .score-hud .val {
    background: linear-gradient(135deg, var(--lh), var(--rh));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 16px;
  }

  /* ---------- Record button styling on transport ---------- */
  .tbtn.record {
    background: linear-gradient(135deg, #ff3d3d, #b81f1f);
    box-shadow: 0 4px 14px rgba(255, 61, 61, 0.4);
  }
  .tbtn.record.recording {
    animation: recPulse 1s ease-in-out infinite;
  }
  @keyframes recPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 61, 61, 0.7); }
    50%      { box-shadow: 0 0 0 10px rgba(255, 61, 61, 0); }
  }

  /* ---------- End-of-song victory modal ---------- */
  .victory-overlay {
    position: absolute; inset: 0;
    background: rgba(7, 7, 12, 0.7);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 90;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    animation: victoryFade 0.35s ease;
  }
  .victory-overlay.hidden { display: none; }
  @keyframes victoryFade {
    from { opacity: 0; transform: scale(0.98); }
    to   { opacity: 1; transform: scale(1); }
  }
  .victory-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 22px;
    padding: 28px 28px 22px;
    max-width: 380px;
    width: 100%;
    text-align: center;
    box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 80px rgba(124, 92, 255, 0.15);
  }
  .victory-card .trophy { font-size: 44px; line-height: 1; margin-bottom: 4px; }
  .victory-card h2 {
    margin: 6px 0 4px;
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--lh), var(--rh));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.4px;
  }
  .victory-card .sub {
    color: var(--text-dim);
    font-size: 12px;
    margin-bottom: 14px;
  }
  .victory-card .final-score {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin: 8px 0 18px;
    font-variant-numeric: tabular-nums;
  }
  .victory-card .final-score span {
    background: linear-gradient(135deg, var(--lh), var(--rh));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .victory-actions { display: flex; flex-direction: column; gap: 8px; }
  .victory-actions button {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.10);
    color: var(--text);
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
  }
  .victory-actions button:hover { background: rgba(255,255,255,0.09); }
  .victory-actions button.primary {
    background: linear-gradient(135deg, var(--accent), #5a3dff);
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(124, 92, 255, 0.45);
  }

  /* ---------- Neon select dropdown (Instrument Voice) ---------- */
  .select-wrap {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 8px 10px;
    position: relative;
  }
  .select-wrap label {
    display: flex; justify-content: space-between;
    font-size: 11px; color: var(--text-dim);
    margin-bottom: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .select-wrap select {
    width: 100%;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background: linear-gradient(135deg, rgba(124,92,255,0.12), rgba(255,61,166,0.08));
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--text);
    padding: 9px 30px 9px 12px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 0.3px;
    transition: all 0.15s ease;
    outline: none;
    background-image:
      linear-gradient(135deg, rgba(124,92,255,0.12), rgba(255,61,166,0.08)),
      url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%237c5cff' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
    background-repeat: no-repeat, no-repeat;
    background-position: 0 0, right 12px center;
    background-size: 100% 100%, 10px 6px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
  }
  .select-wrap select:hover {
    border-color: rgba(124,92,255,0.55);
    box-shadow: 0 0 0 1px rgba(124,92,255,0.25), 0 4px 14px rgba(124,92,255,0.18);
  }
  .select-wrap select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(124,92,255,0.35);
  }
  .select-wrap select option {
    background: #15162a;
    color: var(--text);
    font-weight: 600;
  }

  /* ---------- Neon toggle switch (Mute Web Audio Synth) ---------- */
  .toggle-row {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 10px 12px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px;
  }
  .toggle-row .toggle-label {
    font-size: 11px;
    color: var(--text-dim);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.3;
    flex: 1;
  }
  .toggle-row .toggle-label .hint {
    display: block;
    color: var(--text);
    font-size: 10px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.2px;
    opacity: 0.55;
    margin-top: 2px;
  }
  .switch {
    --switch-w: 40px;
    --switch-h: 22px;
    position: relative;
    width: var(--switch-w);
    height: var(--switch-h);
    flex-shrink: 0;
    display: inline-block;
  }
  .switch input {
    opacity: 0; width: 0; height: 0;
    position: absolute;
  }
  .switch .slider-track {
    position: absolute; cursor: pointer; inset: 0;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 999px;
    transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  }
  .switch .slider-track::before {
    content: "";
    position: absolute;
    height: calc(var(--switch-h) - 8px);
    width:  calc(var(--switch-h) - 8px);
    left: 3px; top: 3px;
    background: linear-gradient(135deg, #f5f6fb, #c9cde0);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
    transition: transform 0.22s cubic-bezier(.4,.0,.2,1), background 0.2s ease;
  }
  .switch input:checked + .slider-track {
    background: linear-gradient(135deg, var(--lh), var(--rh));
    border-color: transparent;
    box-shadow: 0 0 0 1px rgba(124,92,255,0.35), 0 0 14px var(--rh-glow);
  }
  .switch input:checked + .slider-track::before {
    transform: translateX(calc(var(--switch-w) - var(--switch-h)));
    background: linear-gradient(135deg, #ffffff, #e8ecff);
  }
  .switch input:focus-visible + .slider-track {
    box-shadow: 0 0 0 2px rgba(124,92,255,0.55);
  }

  .pill.hw {
    color: var(--lh);
  }



  /* ---------- Sustain pedal indicator (Update: pedal support) ---------- */
  .pedal-indicator {
    position: absolute;
    bottom: 12px;
    right: 12px;
    z-index: 12;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 11px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--text-dim);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    transition: color 0.12s ease, box-shadow 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
    pointer-events: none;
    font-weight: 700;
  }
  .pedal-indicator .pedal-icon {
    display: inline-block;
    width: 18px; height: 18px;
    border-radius: 4px;
    background: linear-gradient(180deg, #2a2a3d 0%, #14141d 100%);
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: inset 0 -1px 0 rgba(0,0,0,0.5);
    transition: all 0.12s ease;
  }
  .pedal-indicator.on {
    color: #fff;
    border-color: rgba(124,92,255,0.65);
    box-shadow: 0 0 18px rgba(124,92,255,0.55), 0 8px 24px rgba(0,0,0,0.4);
    transform: translateY(-1px);
  }
  .pedal-indicator.on .pedal-icon {
    background: linear-gradient(180deg, var(--accent) 0%, #5a3dff 100%);
    border-color: rgba(255,255,255,0.35);
    box-shadow: 0 0 12px rgba(124,92,255,0.85), inset 0 1px 0 rgba(255,255,255,0.3);
  }

  /* ---------- Tracks dropdown (built-in songs menu) ---------- */
  .tracks-wrap { position: relative; }
  .tracks-btn {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, rgba(0,212,255,0.10), rgba(255,61,166,0.10));
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--text);
    padding: 11px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
    display: flex; align-items: center; justify-content: space-between;
  }
  .tracks-btn:hover {
    border-color: rgba(124,92,255,0.55);
    box-shadow: 0 0 0 1px rgba(124,92,255,0.25), 0 4px 14px rgba(124,92,255,0.18);
  }
  .tracks-btn .chev { color: var(--accent); transition: transform 0.2s ease; }
  .tracks-btn.open .chev { transform: rotate(180deg); }
  .tracks-menu {
    margin-top: 6px;
    background: rgba(10,10,18,0.85);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 12px;
    padding: 6px;
    display: none;
    flex-direction: column;
    gap: 4px;
    box-shadow: 0 10px 28px rgba(0,0,0,0.55), inset 0 0 0 1px rgba(124,92,255,0.08);
  }
  .tracks-menu.open { display: flex; }
  .track-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
    display: flex; align-items: center; gap: 10px;
  }
  .track-item:hover {
    background: linear-gradient(135deg, rgba(0,212,255,0.14), rgba(255,61,166,0.14));
    border-color: rgba(124,92,255,0.4);
  }
  .track-item.active {
    background: linear-gradient(135deg, var(--lh), var(--rh));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(255,61,166,0.35);
  }
  .track-item .ti-emoji { font-size: 16px; }
  .track-item .ti-meta { margin-left: auto; font-size: 10px; opacity: 0.6; }

  /* ---------- Tracks tabs + Recent Songs panel ---------- */
  .tracks-tabs { display: flex; gap: 6px; margin-bottom: 6px; }
  .tracks-tab {
    flex: 1; padding: 9px 10px; border-radius: 10px; cursor: pointer;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text-dim);
    font-size: 12px; font-weight: 700; letter-spacing: 0.3px;
    transition: all 0.15s ease;
  }
  .tracks-tab:hover { color: var(--text); border-color: rgba(124,92,255,0.4); }
  .tracks-tab.active {
    background: linear-gradient(135deg, rgba(0,212,255,0.16), rgba(255,61,166,0.16));
    color: var(--text);
    border-color: rgba(124,92,255,0.55);
    box-shadow: 0 0 0 1px rgba(124,92,255,0.20);
  }
  .recent-list { display: flex; flex-direction: column; gap: 6px; }
  .recent-item {
    display: flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 9px; padding: 6px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
  }
  .recent-item.active {
    border-color: rgba(124,92,255,0.6);
    box-shadow: 0 0 0 1px rgba(124,92,255,0.3), 0 4px 14px rgba(124,92,255,0.15);
  }
  .recent-main {
    flex: 1; min-width: 0;
    display: flex; align-items: center; gap: 10px;
    background: transparent; border: none;
    color: var(--text); font-size: 12px; font-weight: 600;
    cursor: pointer; text-align: left; padding: 5px 6px; border-radius: 7px;
  }
  .recent-main:hover { background: rgba(124,92,255,0.12); }
  .recent-main .recent-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .recent-main .ti-emoji { font-size: 15px; }
  .recent-actions { display: flex; gap: 4px; flex-shrink: 0; }
  .recent-act {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text); border-radius: 7px;
    padding: 5px 7px; font-size: 12px; cursor: pointer;
    transition: all 0.15s ease;
  }
  .recent-act:hover { border-color: rgba(124,92,255,0.5); background: rgba(124,92,255,0.15); }
  .recent-empty {
    font-size: 11px; color: var(--text-dim);
    padding: 14px 8px; line-height: 1.6; text-align: center;
  }

  /* ---------- Download MIDI button (sits beside Record) ---------- */
  .tbtn.download-midi {
    background: linear-gradient(135deg, #36e07f, #1fa45a);
    box-shadow: 0 4px 14px rgba(54, 224, 127, 0.4);
    font-size: 16px;
    display: none;     /* hidden by default; only visible after user records */
  }
  .tbtn.download-midi.visible { display: flex; }

  /* ---------- Toast notification ---------- */
  .toast {
    position: absolute;
    top: 60px; left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--panel);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 61, 61, 0.4);
    color: var(--text);
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5), 0 0 18px rgba(255, 61, 61, 0.25);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    max-width: calc(100vw - 40px);
    text-align: center;
  }
  .toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  .toast.ok { border-color: rgba(54, 224, 127, 0.5); box-shadow: 0 8px 24px rgba(0,0,0,0.5), 0 0 18px rgba(54, 224, 127, 0.25); }

  /* ---------- Victory feedback box (Practice mode) ---------- */
  .victory-card .max-score {
    font-size: 12px;
    color: var(--text-dim);
    margin: -10px 0 14px;
    letter-spacing: 0.3px;
  }
  .victory-card .max-score b {
    color: var(--text);
    font-variant-numeric: tabular-nums;
  }
  .victory-card .feedback-box {
    background: linear-gradient(135deg, rgba(0,212,255,0.10), rgba(255,61,166,0.10));
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 16px;
    text-align: left;
    font-size: 12px;
    line-height: 1.5;
    color: var(--text);
  }
  .victory-card .feedback-box .fb-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 6px;
    display: flex; align-items: center; gap: 6px;
  }
  .victory-card .feedback-box .fb-stats {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-top: 8px;
  }
  .victory-card .feedback-box .fb-stat {
    background: rgba(0,0,0,0.25);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 5px 9px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
  }
  .victory-card .feedback-box .fb-stat b {
    color: var(--text);
    margin-right: 4px;
  }
  .victory-card .feedback-box .fb-stat.bad b { color: #ff5577; }
  .victory-card .feedback-box .fb-stat.good b { color: var(--good); }

  @media (max-width: 800px) {
    .panel { width: 240px; top: 112px; right: 10px; left: auto; }
    .brand { font-size: 12px; padding: 6px 10px; }
    .topbar-right .pill { padding: 6px 10px; font-size: 10px; }
    .topbar-right .score-hud { padding: 6px 10px; font-size: 11px; }
    .topbar-right .score-hud .val { font-size: 13px; }
    .transport { top: 56px; right: 10px; }
    .tbtn { width: 34px; height: 34px; }
    .victory-card { padding: 22px 18px 16px; }
    .victory-card h2 { font-size: 19px; }
  }



/* ---------- Language toggle ---------- */
.language-toggle {
  border: 1px solid var(--panel-border);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  min-width: 52px;
  justify-content: center;
}
.language-toggle:hover {
  color: #fff;
  border-color: rgba(124, 92, 255, 0.7);
  background: rgba(124, 92, 255, 0.18);
}


/* ---------- Immersive fullscreen mode ---------- */
.fullscreen-exit {
  display: none;
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 500;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(10, 10, 18, 0.82);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.fullscreen-exit:hover,
.fullscreen-exit:focus-visible {
  border-color: rgba(124, 92, 255, 0.8);
  background: rgba(34, 28, 68, 0.92);
  outline: none;
}
body.immersive-mode .fullscreen-exit {
  display: flex;
}

body.immersive-mode .topbar,
body.immersive-mode .transport,
body.immersive-mode .panel,
body.immersive-mode .pedal-indicator,
body.immersive-mode .toast,
body.immersive-mode .victory-overlay,
body.immersive-mode .start-overlay {
  display: none !important;
}