*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.game-container{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:30px;box-shadow:0 8px 32px #1f26875e;border:1px solid rgba(255,255,255,.18)}.game-title{text-align:center;color:#fff;font-size:48px;font-weight:700;margin-bottom:20px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.game-content{display:flex;gap:30px;align-items:flex-start}canvas{border:3px solid rgba(255,255,255,.3);border-radius:10px;background:#00000080;box-shadow:0 4px 16px #0000004d}.side-panel{display:flex;flex-direction:column;gap:20px}.info-box{background:#ffffff1a;border-radius:10px;padding:20px;min-width:200px;border:1px solid rgba(255,255,255,.18)}.info-box h2{color:#fff;font-size:20px;margin-bottom:10px;text-align:center}.info-box p{color:#fff;font-size:32px;font-weight:700;text-align:center;text-shadow:1px 1px 2px rgba(0,0,0,.3)}.combo-active{color:#ffeb3b!important;animation:comboGlow .5s ease-in-out infinite alternate}@keyframes comboGlow{0%{text-shadow:0 0 5px #ffeb3b,0 0 10px #ffeb3b,1px 1px 2px rgba(0,0,0,.3)}to{text-shadow:0 0 10px #ffeb3b,0 0 20px #ffeb3b,1px 1px 2px rgba(0,0,0,.3)}}.next-piece-canvas{border:2px solid rgba(255,255,255,.3);border-radius:5px;background:#0000004d;margin:0 auto;display:block}.controls{background:#ffffff1a;border-radius:10px;padding:20px;border:1px solid rgba(255,255,255,.18)}.controls h2{color:#fff;font-size:20px;margin-bottom:15px;text-align:center}.controls p{color:#fff;font-size:14px;margin-bottom:8px;display:flex;justify-content:space-between}.key{background:#fff3;padding:2px 8px;border-radius:4px;font-weight:700}.game-over{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000e6;color:#fff;padding:40px;border-radius:20px;text-align:center;z-index:1000;border:3px solid #fff}.game-over h1{font-size:48px;margin-bottom:20px;color:#ff6b6b}.game-over p{font-size:24px;margin-bottom:30px}.game-over button{font-size:20px;padding:15px 40px;background:#667eea;color:#fff;border:none;border-radius:10px;cursor:pointer;font-weight:700;transition:background .3s}.game-over button:hover{background:#764ba2}.pause-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000c;color:#fff;padding:30px 60px;border-radius:15px;text-align:center;z-index:999;font-size:36px;font-weight:700}.button-group{display:flex;flex-direction:column;gap:10px}.start-button,.pause-button,.reset-button{width:100%;padding:15px;font-size:18px;font-weight:700;color:#fff;border:2px solid rgba(255,255,255,.3);border-radius:10px;cursor:pointer;transition:all .3s;text-transform:uppercase;letter-spacing:1px}.start-button{background:#4caf50cc}.start-button:hover{background:#4caf50;transform:translateY(-2px);box-shadow:0 4px 12px #4caf5066}.pause-button{background:#ff9800cc}.pause-button:hover{background:#ff9800;transform:translateY(-2px);box-shadow:0 4px 12px #ff980066}.reset-button{background:#ff6b6bcc}.reset-button:hover{background:#ff6b6b;transform:translateY(-2px);box-shadow:0 4px 12px #ff6b6b66}.start-button:active,.pause-button:active,.reset-button:active{transform:translateY(0)}