:root {
      --bg: #05060a;
      --bg-card: #111321;
      --bg-card-soft: #181a2b;
      --text-main: #e5e7eb;
      --text-muted: #9ca3af;
      --accent: #d1a954;
      --accent-hover: #f2c97a;
      --border-subtle: #272a3f;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: radial-gradient(circle at top, #1f2933 0, #05060a 45%);
      color: var(--text-main);
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      align-items: center;
      justify-content: flex-start;
      padding: 16px;
    }
    .page { max-width: 960px; width: 100%; flex: 1; }
    .card {
      background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-soft) 100%);
      border-radius: 20px;
      box-shadow: 0 18px 45px rgba(0,0,0,0.75);
      padding: 24px;
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
      gap: 24px;
      border: 1px solid var(--border-subtle);
    }
    .cover {
      width: 100%;
      border-radius: 16px;
      object-fit: cover;
      box-shadow: 0 10px 25px rgba(0,0,0,0.8);
      filter: grayscale(100%) brightness(0.4);
      transition: filter 0.25s ease, transform 0.15s ease;
      cursor: pointer;
    }
    .cover.is-colored { filter: none; transform: scale(1.01); }
    .title { font-size: 1.9rem; font-weight: 700; margin-bottom: 6px; letter-spacing: 0.02em; }
    .subtitle { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 14px; }
    .description { font-size: 0.95rem; line-height: 1.6; color: #d4d4dc; margin-bottom: 18px; }
    .btn-row { display: flex; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
    .btn {
      padding: 10px 18px;
      border-radius: 999px;
      border: none;
      cursor: pointer;
      font-size: 0.93rem;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.15s ease;
      white-space: nowrap;
    }
    .btn:active { transform: scale(0.97); }
    .btn-primary {
      background: transparent;
      border: 1px solid var(--accent);
      color: var(--accent);
    }
    .btn-primary:hover {
      background: rgba(0, 0, 0, 0.3);
      border-color: var(--accent-hover);
      color: var(--accent-hover);
      box-shadow: 0 0 0 1px rgba(0,0,0,0.5);
    }
    .btn-outline {
      background: transparent;
      border: 1px solid var(--border-subtle);
      color: var(--text-main);
    }
    .btn-outline:hover { background: rgba(255,255,255,0.04); }
    #audioSection h2 { margin: 0 0 8px; font-size: 1.15rem; }
    .language-toggle {
      display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
      margin-bottom: 8px; font-size: 0.85rem; color: var(--text-muted);
    }
    .language-btn {
      padding: 6px 12px; font-size: 0.8rem; border-radius: 999px;
      border: 1px solid var(--accent); background: transparent; color: var(--accent);
      cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
    }
    .language-btn:hover { border-color: var(--accent-hover); color: var(--accent-hover); background: rgba(0,0,0,0.3); }
    audio {
      width: 100%; margin-top: 4px; background-color: #111321;
      border-radius: 12px; border: 1px solid #272a3f; overflow: hidden;
      filter: drop-shadow(0 6px 16px rgba(0,0,0,0.8));
    }
    audio::-webkit-media-controls-panel { background-color: #181a2b !important; color: var(--text-main); }
    audio::-webkit-media-controls-enclosure { background-color: transparent; border-radius: 12px; }
    .qr-hint { margin-top: 10px; font-size: 0.8rem; color: var(--text-muted); }
    .audio-controls { display: flex; gap: 10px; margin-top: 10px; align-items: center; justify-content: flex-start; flex-wrap: wrap; }
    .audio-controls .btn {
      border-width: 2px; border-color: var(--accent); border-radius: 999px;
      font-weight: 600; background: rgba(0,0,0,0.3); box-shadow: 0 0 0 1px rgba(0,0,0,0.5);
    }
    .audio-controls .btn:hover { background: rgba(250, 204, 21, 0.08); border-color: var(--accent-hover); }
    .audio-skip-btn, .audio-toggle-btn { padding: 8px 14px; font-size: 0.85rem; }
    .note { font-size: 0.78rem; color: var(--text-muted); margin-top: 6px; }
    .footer { max-width: 960px; width: 100%; text-align: center; font-size: 0.78rem; color: var(--text-muted); margin-top: 12px; }
    @media (max-width: 768px) {
      body { padding: 12px; }
      .card { grid-template-columns: 1fr; padding: 16px; gap: 16px; }
      .title { font-size: 1.6rem; }
      .btn-row { flex-direction: column; align-items: stretch; }
      .language-toggle { flex-direction: column; align-items: flex-start; }
      .audio-controls { justify-content: center; gap: 8px; }
      .audio-controls .btn { flex: 1; justify-content: center; min-width: 0; }
    }