*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background:linear-gradient(135deg,#ff6b6b,#4ecdc4);min-height:100vh;display:flex;justify-content:center;align-items:center;color:#fff;padding:20px}.game-container{text-align:center}h1{font-size:2.5rem;margin-bottom:30px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.game-layout{display:flex;gap:30px;align-items:flex-start;justify-content:center}.left-panel{display:flex;flex-direction:column;gap:20px;min-width:200px}.game-info{display:flex;flex-direction:column;gap:15px}.info-card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:15px;padding:15px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 15px #0000001a}.label{font-size:1rem;opacity:.8;font-weight:700}.value{font-size:1.5rem;font-weight:700;color:#fff;text-shadow:1px 1px 2px rgba(0,0,0,.3)}.next-piece{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:15px;padding:20px;box-shadow:0 4px 15px #0000001a}.next-piece h3{font-size:1.2rem;margin-bottom:10px;color:#fff}#next-canvas{border:2px solid rgba(255,255,255,.3);border-radius:8px;background:#1a1a2e}.controls-card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:15px;padding:20px;box-shadow:0 4px 15px #0000001a}.controls-card h3{font-size:1.2rem;margin-bottom:15px;color:#fff}.control-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.1)}.control-item:last-child{border-bottom:none;margin-bottom:0}.key{background:#fff3;padding:4px 8px;border-radius:5px;font-family:monospace;font-size:.9rem;font-weight:700}.action{font-size:.9rem;opacity:.9}.game-board-container{flex-shrink:0}#game-board{border:3px solid rgba(255,255,255,.3);border-radius:15px;background:#1a1a2e;box-shadow:0 8px 30px #0000004d}@media (max-width: 768px){.game-layout{flex-direction:column;align-items:center}.left-panel{order:2;flex-direction:row;flex-wrap:wrap;justify-content:center;gap:15px}.game-info{flex-direction:row;gap:10px}.info-card{padding:10px;min-width:80px}.next-piece,.controls-card{flex:1;min-width:150px}h1{font-size:2rem}}@media (max-width: 480px){.left-panel,.game-info{flex-direction:column}}