:root{--bg: #0f0f0f;--surface: #1a1a1a;--border: #2a2a2a;--text: #f0f0f0;--text-muted: #888;--accent: #3b82f6;--accent-hover: #2563eb;--green: #22c55e;--red: #ef4444;--yellow: #eab308}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1.5rem}.app{width:100%;max-width:420px;display:flex;flex-direction:column;gap:1.5rem}.header{text-align:center}.header h1{font-size:1.5rem;font-weight:700;letter-spacing:-.02em}.header p{font-size:.875rem;color:var(--text-muted);margin-top:.25rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.25rem;display:flex;flex-direction:column;gap:1rem}label.room-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}select#room-select{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:.75rem 1rem;font-size:1rem;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;outline:none;transition:border-color .15s}select#room-select:focus{border-color:var(--accent)}#play-btn{width:100%;padding:.9rem;border-radius:10px;border:none;background:var(--accent);color:#fff;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s;display:flex;align-items:center;justify-content:center;gap:.5rem}#play-btn:hover:not(:disabled){background:var(--accent-hover)}#play-btn:active:not(:disabled){transform:scale(.98)}#play-btn:disabled{opacity:.4;cursor:not-allowed}#play-btn.playing{background:var(--red)}#play-btn.playing:hover:not(:disabled){background:#dc2626}.indicators{display:flex;gap:.75rem}.indicator{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:.6rem .75rem;text-align:center}.indicator .value{font-size:1.1rem;font-weight:700;font-variant-numeric:tabular-nums}.indicator .label{font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:.15rem}.status-row{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);flex-shrink:0;transition:background .3s}.status-dot.connected{background:var(--green)}.status-dot.connecting{background:var(--yellow);animation:pulse 1s infinite}.status-dot.error{background:var(--red)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.log{font-size:.75rem;color:var(--text-muted);font-family:SF Mono,Fira Code,monospace;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:.75rem;max-height:120px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}.sync-block{display:none;flex-direction:column;gap:.4rem}.sync-block.visible{display:flex}.sync-header{display:flex;align-items:center;justify-content:space-between}.sync-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.sync-badge{font-size:.65rem;font-weight:700;color:var(--green);letter-spacing:.04em}.progress-bar{width:100%;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .5s linear;width:0%}.sync-times{display:flex;justify-content:space-between;font-size:.75rem;font-variant-numeric:tabular-nums;color:var(--text-muted)}.version-note{font-size:.7rem;color:var(--border);text-align:center}.ios-note{font-size:.75rem;color:var(--text-muted);text-align:center;display:none}@media (max-width: 500px){.ios-note{display:block}}