:root{font-family:Inter,system-ui,sans-serif;color:#1f2937;background-color:#f8fafc}*{box-sizing:border-box}body{margin:0}.app{max-width:980px;margin:0 auto;padding:32px 20px 60px}.header{text-align:center;margin-bottom:24px}.subtitle{margin-top:4px;color:#6b7280}.card{background:#fff;border-radius:12px;border:1px solid #e5e7eb;padding:20px;margin-bottom:24px;box-shadow:0 10px 20px #0f172a0a}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:12px}.field{display:flex;flex-direction:column;gap:6px}input[type=text]{border:1px solid #d1d5db;border-radius:8px;padding:8px 10px;font-size:14px}button{border:none;border-radius:8px;padding:10px 14px;font-weight:600;cursor:pointer;transition:transform .1s ease,box-shadow .1s ease}button:disabled{opacity:.6;cursor:not-allowed}button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 10px #0f172a1f}button.primary{background:#2563eb;color:#fff}button.secondary{background:#e5e7eb}button.ghost{background:transparent;border:1px solid #d1d5db}.room-info ul{margin:8px 0 0;padding-left:18px}.rooms-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.rooms-list{border:1px solid #e2e8f0;border-radius:10px;padding:12px;margin-bottom:16px;background:#f8fafc}.rooms-list ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.room-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;background:#fff;border:1px solid #e5e7eb;border-radius:8px}.room-item .muted{display:block}.muted{color:#6b7280;font-size:13px}.error{margin-top:12px;color:#b91c1c;background:#fee2e2;padding:10px 12px;border-radius:8px}.badge{background:#0f172a;color:#f8fafc;padding:4px 10px;border-radius:999px;font-size:12px;text-transform:uppercase}.dealer,.player-card{border:1px solid #e2e8f0;border-radius:10px;padding:14px;margin-bottom:14px}.dealer-header,.player-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.player-card.current{border-color:#2563eb;box-shadow:0 0 0 2px #2563eb33}.hand{display:flex;flex-wrap:wrap;gap:8px}.card-item{width:54px;height:74px;border:1px solid #cbd5f5;background:#fff;border-radius:10px;padding:6px 8px;font-size:13px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 4px 8px #0f172a14}.card-item.red{color:#dc2626;border-color:#fecaca}.card-rank{font-weight:700;font-size:14px}.card-suit{font-size:18px;text-align:right}.hand-meta{margin-top:8px;display:flex;gap:12px;font-size:13px;color:#475569}.flag{background:#dcfce7;color:#166534;padding:2px 8px;border-radius:999px}.flag.bust{background:#fee2e2;color:#991b1b}.players{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:16px}.actions{display:flex;gap:12px;margin-top:16px}.hint{margin-top:10px;color:#6b7280}.empty-state{text-align:center;color:#6b7280}