.snake-game-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.snake-game-container{background:linear-gradient(135deg,#fffffff2,#ffffffe6);border-radius:20px;padding:30px;box-shadow:0 25px 50px #0000004d;border:1px solid rgba(255,255,255,.3);max-width:90vw;max-height:90vh;overflow:auto;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.snake-game-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:2px solid rgba(30,60,114,.1)}.snake-game-header h2{color:#1e3c72;font-size:2rem;font-weight:700;margin:0}.header-buttons{display:flex;gap:10px;align-items:center}.snake-mobile-switch-btn{background:linear-gradient(45deg,#4ecdc4,#45b7aa);border:none;color:#fff;padding:8px 16px;border-radius:20px;font-size:.9rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003}.snake-mobile-switch-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000004d;background:linear-gradient(45deg,#45b7aa,#3cadcf)}.snake-close-button{background:#ff4757;color:#fff;border:none;width:40px;height:40px;border-radius:50%;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.snake-close-button:hover{background:#ff3838;transform:scale(1.1)}.snake-game-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:15px;background:#1e3c721a;border-radius:12px}.score{font-size:1.2rem;font-weight:600;color:#1e3c72}.controls{font-size:.9rem;color:#666;text-align:right}.snake-game-board{display:grid;grid-template-columns:repeat(20,1fr);grid-template-rows:repeat(20,1fr);gap:1px;background:#2a5298;border:3px solid #1e3c72;border-radius:8px;padding:8px;margin:0 auto 20px;width:400px;height:400px;touch-action:none;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;cursor:pointer;transition:transform .1s ease}.snake-game-board:active{transform:scale(.98)}.cell{background:#ffffff1a;border-radius:2px;transition:all .1s ease}.cell.snake{background:linear-gradient(45deg,#4ecdc4,#44a08d);border-radius:3px;box-shadow:inset 0 0 5px #0003}.cell.snake-head{background:linear-gradient(45deg,#ff6b6b,#ee5a52);border-radius:4px;box-shadow:inset 0 0 8px #0000004d,0 0 10px #ff6b6b66;animation:pulse .8s ease-in-out infinite alternate}.cell.food{background:linear-gradient(45deg,#feca57,#ff9ff3);border-radius:50%;box-shadow:inset 0 0 8px #0003,0 0 15px #feca5799;animation:glow 1.5s ease-in-out infinite alternate}@keyframes pulse{0%{transform:scale(1)}to{transform:scale(1.1)}}@keyframes glow{0%{box-shadow:inset 0 0 8px #0003,0 0 15px #feca5799}to{box-shadow:inset 0 0 8px #0003,0 0 25px #feca57e6}}.snake-game-controls{text-align:center}.start-button,.restart-button,.pause-button,.resume-button{background:linear-gradient(45deg,#1e3c72,#2a5298);color:#fff;border:none;padding:12px 30px;border-radius:25px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin:5px;text-transform:uppercase;letter-spacing:1px;box-shadow:0 5px 15px #1e3c724d}.start-button:hover,.restart-button:hover,.pause-button:hover,.resume-button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #1e3c7266}.game-over{text-align:center;margin-bottom:20px}.game-over-text{font-size:2rem;font-weight:700;color:#ff4757;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.final-score{font-size:1.3rem;font-weight:600;color:#1e3c72;margin-bottom:20px}@media (max-width: 768px){.snake-game-container{padding:20px;margin:10px}.snake-game-board{width:300px;height:300px}.snake-game-header h2{font-size:1.5rem}.snake-game-info{flex-direction:column;gap:10px;text-align:center}.controls{text-align:center;font-size:.8rem}}.mobile-controls{margin-top:20px;display:flex;flex-direction:column;align-items:center;gap:15px}.touch-hint{background:#4ecdc41a;border:1px solid rgba(78,205,196,.3);border-radius:20px;padding:8px 16px;font-size:.9rem;color:#4ecdc4;text-align:center;margin-bottom:10px;font-weight:500}.control-row{display:flex;gap:15px;justify-content:center}.control-btn{width:60px;height:60px;border:none;border-radius:50%;font-size:1.5rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 15px #0000004d}.control-btn:disabled{opacity:.5;cursor:not-allowed}.control-btn:not(:disabled):active{transform:scale(.95)}.up-btn{background:linear-gradient(45deg,#ff6b6b,#4ecdc4);color:#fff}.left-btn,.right-btn{background:linear-gradient(45deg,#4ecdc4,#45b7aa);color:#fff}.down-btn{background:linear-gradient(45deg,#ffa726,#ff8a65);color:#fff}@media (max-width: 768px){.control-btn{width:70px;height:70px;font-size:1.8rem}.control-row{gap:20px}.snake-game-board{width:300px;height:300px}.snake-game-container{padding:20px;margin:10px}}@media (max-width: 768px){.snake-game-overlay,.snake-game-container{overflow:hidden}}@media (max-width: 480px){.control-btn{width:65px;height:65px;font-size:1.6rem}.control-row{gap:15px}}