:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden}.game-container{width:100vw;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}canvas{border-radius:12px;box-shadow:0 0 40px #00c86426,0 0 80px #0064c81a}.hud{position:absolute;top:12px;left:50%;transform:translate(-50%);display:flex;gap:40px;align-items:center;z-index:10}.player-hud{display:flex;flex-direction:column;align-items:center;gap:4px}.player-hud .name{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.player-hud.p1 .name{color:#ff6b6b}.player-hud.p2 .name{color:#4ecdc4}.health-bar-bg{width:180px;height:14px;background:#ffffff1a;border-radius:7px;overflow:hidden;border:1px solid rgba(255,255,255,.15)}.health-bar-fill{height:100%;border-radius:7px;transition:width .3s ease}.player-hud.p1 .health-bar-fill{background:linear-gradient(90deg,#ff6b6b,#ee5a24)}.player-hud.p2 .health-bar-fill{background:linear-gradient(90deg,#4ecdc4,#0abde3)}.score-display{font-size:28px;font-weight:800;font-family:ui-monospace,monospace;color:#ffd93d;text-shadow:0 0 10px rgba(255,217,61,.5)}.skill-indicator{font-size:11px;color:#ffffff80}.skill-indicator.ready{color:#ffd93d}.controls-hint{position:absolute;bottom:12px;left:50%;transform:translate(-50%);display:flex;gap:60px;z-index:10;font-size:11px;color:#ffffff59;text-align:center}.controls-hint kbd{background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:3px;padding:1px 5px;font-family:ui-monospace,monospace;font-size:10px}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;gap:16px}.overlay h1{font-size:48px;font-weight:900;letter-spacing:-.02em;background:linear-gradient(135deg,#ff6b6b,#ffd93d,#4ecdc4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.overlay .subtitle{font-size:16px;color:#fff9;margin-bottom:12px}.overlay .winner-text{font-size:28px;font-weight:700}.overlay .winner-text.p1{color:#ff6b6b}.overlay .winner-text.p2{color:#4ecdc4}.btn{padding:12px 32px;border:2px solid rgba(255,255,255,.2);background:#ffffff0d;color:#fafafa;font-size:16px;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s;font-family:inherit}.btn:hover{background:#ffffff1f;border-color:#fff6;transform:translateY(-1px)}.powerup-legend{display:flex;gap:16px;font-size:11px;color:#fff6;margin-top:8px}.powerup-legend span{display:flex;align-items:center;gap:4px}.powerup-dot{width:8px;height:8px;border-radius:50%;display:inline-block}