*{margin:0;padding:0;box-sizing:border-box}body{overflow:hidden;background:#050510;font-family:Orbitron,sans-serif;color:#fff;-webkit-tap-highlight-color:transparent}#app{position:relative;width:100vw;height:100vh}#game-canvas{display:block;width:100%;height:100%}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;justify-content:center;align-items:center}.panel{pointer-events:auto;background:#050519d9;border:1px solid rgba(100,150,255,.2);border-radius:16px;padding:40px 48px;text-align:center;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 0 40px #3264ff1a;max-width:90vw}.title{font-size:3rem;font-weight:900;letter-spacing:8px;color:#0ff;text-shadow:0 0 20px rgba(0,255,255,.5),0 0 60px rgba(0,255,255,.2);margin-bottom:8px}.subtitle{font-size:.85rem;font-weight:400;color:#fff6;letter-spacing:4px;margin-bottom:32px}.btn{font-family:Orbitron,sans-serif;font-size:.9rem;font-weight:700;letter-spacing:2px;padding:14px 32px;border:none;border-radius:8px;cursor:pointer;transition:all .2s;display:block;width:100%;margin-bottom:12px}.btn-primary{background:linear-gradient(135deg,#0cc,#08f);color:#fff;box-shadow:0 0 20px #00c8ff4d}.btn-primary:hover{box-shadow:0 0 30px #00c8ff80;transform:translateY(-1px)}.btn-secondary{background:#ffffff14;color:#acf;border:1px solid rgba(100,150,255,.3)}.btn-secondary:hover{background:#ffffff26}.divider{color:#ffffff4d;font-size:.75rem;letter-spacing:3px;margin:16px 0}.join-row{display:flex;gap:8px}.input-code{font-family:Orbitron,sans-serif;font-size:1.2rem;font-weight:700;letter-spacing:6px;text-align:center;width:140px;padding:12px 8px;background:#ffffff0d;border:1px solid rgba(100,150,255,.3);border-radius:8px;color:#fff;outline:none;text-transform:uppercase}.input-code:focus{border-color:#0cf;box-shadow:0 0 15px #00c8ff33}.join-row .btn{width:auto;margin-bottom:0}.room-code-label{font-size:.7rem;color:#fff6;letter-spacing:3px;margin-bottom:8px}.room-code{font-size:2.5rem;font-weight:900;letter-spacing:12px;color:#0ff;text-shadow:0 0 15px rgba(0,255,255,.5);margin-bottom:16px}.hint{font-size:.7rem;color:#ffffff4d;letter-spacing:2px;margin-top:8px}.error-msg{color:#f46;font-size:.75rem;margin-top:12px;min-height:1.2em}.hud{pointer-events:auto;position:absolute;top:0;left:0;width:100%;padding:16px 24px;display:flex;flex-direction:column;align-items:center}.hud-top{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:600px}.hud-mark{font-size:.85rem;font-weight:700;letter-spacing:3px;text-shadow:0 0 10px currentColor}.hud-room{font-size:.7rem;color:#fff6;letter-spacing:2px}.hud-timers{display:flex;gap:16px;margin-top:10px}.timer{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:8px;border:1px solid rgba(255,255,255,.1);background:#05051999;opacity:.5;transition:all .3s}.timer-active{opacity:1;border-color:var(--timer-color);box-shadow:0 0 12px color-mix(in srgb,var(--timer-color) 30%,transparent)}.timer-mark{font-size:.75rem;font-weight:900;color:var(--timer-color);text-shadow:0 0 8px var(--timer-color)}.timer-value{font-size:1rem;font-weight:700;letter-spacing:2px;color:#fff;font-variant-numeric:tabular-nums}.timer-low .timer-value{color:#f44;animation:timer-pulse .5s ease-in-out infinite}@keyframes timer-pulse{0%,to{opacity:1}50%{opacity:.5}}.hud-turn{font-size:1.1rem;font-weight:700;letter-spacing:4px;margin-top:8px;text-shadow:0 0 15px currentColor}.layer-selector{display:flex;align-items:center;gap:6px;margin-top:12px;pointer-events:auto}.layer-label{font-size:.6rem;color:#ffffff59;letter-spacing:2px;margin-right:4px}.layer-btn{font-family:Orbitron,sans-serif;font-size:.65rem;font-weight:700;letter-spacing:1px;padding:8px 14px;border:1px solid rgba(255,255,255,.15);border-radius:6px;background:#ffffff0a;color:#fff6;cursor:pointer;transition:all .2s}.layer-btn:hover{background:#ffffff1a;color:#ffffffb3}.layer-btn-active{background:#00c8ff26;border-color:#0cf;color:#0ef;box-shadow:0 0 12px #00c8ff40}.result-win{color:#0ff;text-shadow:0 0 20px rgba(0,255,255,.5);font-size:2rem;margin-bottom:24px}.result-lose{color:#f0f;text-shadow:0 0 20px rgba(255,0,255,.5);font-size:2rem;margin-bottom:24px}.result-draw{color:#ff0;text-shadow:0 0 20px rgba(255,255,0,.5);font-size:2rem;margin-bottom:24px}.btn-mute{background:none;border:1px solid rgba(255,255,255,.15);border-radius:50%;width:36px;height:36px;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.btn-mute:hover{background:#ffffff1a}.waiting h2{animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}@media(max-width:480px){.panel{padding:28px 24px}.title{font-size:2rem;letter-spacing:4px}.room-code{font-size:1.8rem;letter-spacing:8px}.hud-turn{font-size:.9rem}.btn{padding:12px 24px;font-size:.8rem}.result-win,.result-lose,.result-draw{font-size:1.5rem}}