*{margin:0;padding:0;box-sizing:border-box}body{background:#0a0a12;color:#e8e8f0;font-family:Consolas,Courier New,monospace;min-height:100vh;display:flex;justify-content:center}#app{padding:12px;text-align:center}h1{font-size:24px;letter-spacing:12px;margin-bottom:10px;color:#f0f000;text-shadow:3px 3px 0 #a000f0}h2{font-size:16px;letter-spacing:2px;margin-bottom:12px;color:#9a9ab0;text-transform:uppercase}.hidden{display:none!important}#gameArea{display:flex;gap:24px;align-items:flex-start;justify-content:center}canvas{display:block;border:3px solid #3a3a50;background:#000;image-rendering:pixelated}#sidePanel{width:170px}#sidePanel,#opponentPane{flex-shrink:0;text-align:left}#sidePanel h2:first-child{margin-top:0}#nextCanvas,#holdCanvas{margin-bottom:20px}#opponentPane canvas{margin-bottom:12px}.stat{display:flex;justify-content:space-between;font-size:15px;padding:6px 2px;border-bottom:1px solid #22223a}.stat span:last-child{color:#fff;font-weight:700}.stat.danger span{color:#f04040}#controlsHint{margin-top:24px;font-size:12px;line-height:1.8;color:#666680}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#05050cd1;z-index:10}.panel{background:#14142a;border:3px solid #3a3a50;padding:36px 48px;min-width:320px}.panel h2{color:#e8e8f0;margin-bottom:24px}.panel p{margin-bottom:20px;color:#9a9ab0}button{display:block;width:100%;margin:10px 0;padding:12px;font-family:inherit;font-size:15px;letter-spacing:2px;text-transform:uppercase;color:#e8e8f0;background:#22224a;border:2px solid #4a4a80;cursor:pointer}button:hover{background:#32326a;border-color:#7a7ac0}.spinner{width:36px;height:36px;margin:0 auto 20px;border:4px solid #22224a;border-top-color:#f0f000;border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#f04040;color:#fff;padding:10px 24px;font-size:14px;z-index:20}