/* Без этого hidden проигрывает любому display у соседей. */
      [hidden] { display: none !important; }
        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
               background: #f3f5f4; color: #0f172a; line-height: 1.6;
               padding: 24px 20px 60px; margin: 0; }
        .container { max-width: 1280px; margin: 0 auto; }
        h1 { font-size: 1.5rem; margin-bottom: 4px; }
        h2 { font-size: 1.1rem; margin-bottom: 4px; }
        .lede { color: #475569; margin-bottom: 24px; }
        .card { background: #fff; border: 1px solid #e2e8f0; border-radius: 10px;
                padding: 20px 24px; margin-bottom: 20px; }
        .note { color: #64748b; font-size: 0.88rem; margin-bottom: 16px; }
        .controls { display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: flex-end;
                    margin-bottom: 16px; }
        .control { min-width: 180px; }
        label { display: block; font-size: 0.85rem; font-weight: 600;
                color: #334155; margin-bottom: 4px; }
        select, input { width: 100%; padding: 8px 10px; border: 1px solid #cbd5e1;
                        border-radius: 6px; font-size: 0.95rem; background: #fff; }
        .readout { font-size: 0.85rem; color: #475569; padding-bottom: 8px; }
        .readout b { color: #0f172a; }
        .stage { border: 1px solid #e2e8f0; border-radius: 8px; background: #fff;
                 overflow-x: auto; padding: 12px; }
        .stage img { display: block; max-width: none; }
        .empty { color: #b91c1c; font-size: 0.9rem; padding: 12px 0; }
        .links { margin-top: 12px; font-size: 0.88rem; }
        .links a { color: #2e7d32; }
        .chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
        .chip { border: 1px solid #cbd5e1; border-radius: 999px; padding: 2px 12px;
                font-size: 0.82rem; cursor: pointer; background: #fff; color: #334155; }
        .chip.active { background: #e8f5e9; border-color: #2e7d32; color: #1b5e20;
                       font-weight: 600; }