:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color-scheme:light dark;background-color:#0f172a;color:#e2e8f0}body{margin:0;min-height:100vh;display:grid;place-items:center}.timer-shell{width:min(480px,95vw);background:#0f172ae6;border:1px solid rgba(148,163,184,.2);border-radius:18px;padding:32px;box-shadow:0 20px 60px #02081499}.timer-header h1{margin:0 0 8px;font-size:1.75rem}.timer-subtitle{margin:0;font-size:.95rem;color:#94a3b8}.timer-body{margin-top:32px;display:grid;gap:24px}.timer-display{font-size:3.5rem;letter-spacing:.08em;text-align:center;font-variant-numeric:tabular-nums}.timer-status{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:#94a3b8}.pill{border-radius:999px;background:#94a3b826;padding:6px 14px}.pill-running{background:#22c55e2e;color:#bbf7d0}.timer-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.timer-controls button{padding:12px 0;border-radius:14px;border:none;font-weight:600;cursor:pointer;background:#3b82f633;color:#bfdbfe;transition:transform .15s ease,background .2s ease}.timer-controls button:disabled{cursor:not-allowed;background:#94a3b81f;color:#64748b}.timer-controls button:not(:disabled):hover{transform:translateY(-2px);background:#3b82f659}.timer-error{border-radius:12px;padding:12px 16px;background:#f871712e;color:#fecaca}.hint{text-align:center;font-size:.85rem;color:#94a3b8}.timestamp{font-variant-numeric:tabular-nums}