:root{color-scheme:dark}body{margin:0;background:#0b1622;color:#e6eef7;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.tile-wrap{display:flex;flex-direction:column;align-items:center;gap:4px}.tile{width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;color:#fff;box-shadow:inset 0 0 0 2px #ffffff1f}.tile--red{background:#de1f45}.tile--black{background:#1b1f27}.tile--white{background:#eef3f8;color:#0b1622}.tile--empty{background:#10202f;box-shadow:none}.tile--live{outline:3px solid #2f7bff;outline-offset:1px}.tile__time{font-size:11px;color:#7d93ac}.tile__mark{font-size:22px;color:#2f7bff}.app{padding:16px;max-width:1200px;margin:0 auto}.grid{display:flex;flex-direction:column;gap:10px}.grid__header{display:grid;grid-template-columns:repeat(10,1fr);gap:8px}.grid__col-label{text-align:center;font-weight:700;color:#6fa8ff;background:#10202f;border-radius:6px;padding:8px 0}.grid__row{display:grid;grid-template-columns:repeat(20,1fr);gap:8px}