:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#98fb98,#000);min-height:100vh;display:flex;justify-content:center;align-items:center}.snake-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;width:100%}.snake-container{display:flex;flex-direction:column;align-items:center;gap:20px;width:100%;max-width:500px}.game-title{text-align:center;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.5);width:100%}.game-title h1{font-size:2.5rem;margin-bottom:5px}.snake-game{width:100%;display:flex;flex-direction:column;border-radius:15px;background:#293447;box-shadow:0 20px 40px #3457dc4d;overflow:hidden}.snake-header{color:#b8c6dc;font-weight:600;font-size:1rem;padding:15px 20px;display:flex;justify-content:space-between;align-items:center;background:#1a2230;flex-wrap:wrap;gap:10px}.score-info{display:flex;gap:15px;flex-wrap:wrap;align-items:center}.speed{color:#52fa52;font-size:.9rem;font-weight:600}.pause-btn{background:#34495e;border:none;color:#b8c6dc;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .2s ease;display:flex;align-items:center;gap:5px}.pause-btn:hover{background:#4a6572;transform:translateY(-1px)}.play-board{aspect-ratio:1 / 1;background:#050505;display:grid;grid-template:repeat(30,1fr) / repeat(30,1fr);position:relative}.paused-overlay{position:absolute;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:10}.paused-text{color:#fff;font-size:3rem;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.5);animation:blink 1.5s infinite}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:.5}}.play-board .food{border-radius:50%;animation:pulse 1s infinite;border:1px solid}.play-board .food.normal{background:red;border-color:#f66}.play-board .food.special{background:gold;border-color:#ffed4e;animation:specialPulse .8s infinite}@keyframes specialPulse{0%{transform:scale(1) rotate(0)}50%{transform:scale(1.2) rotate(180deg)}to{transform:scale(1) rotate(360deg)}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.play-board .head{background:linear-gradient(135deg,#52fa52,#418a42);border-radius:25%;z-index:2;border:1px solid #76d476}.play-board .body{background:linear-gradient(135deg,#76d476,#4caf50);border-radius:30%;border:1px solid #66bb6a}.game-instructions{padding:15px 20px;background:#1a2230;color:#b8c6dc;text-align:center;font-size:.85rem;border-top:1px solid #34495e;line-height:1.4}.game-instructions p{margin:5px 0}.snake-color{color:#52fa52;font-weight:600}.food-color{color:#f44;font-weight:600}.special-food-color{color:gold;font-weight:600}.mobile-controls{display:none;flex-direction:column;gap:10px;padding:20px;background:#1a2230;border-top:1px solid #34495e}.controls-row{display:flex;justify-content:center;gap:15px}.control-btn{padding:20px 25px;border:none;background:#34495e;color:#b8c6dc;font-size:1.5rem;border-radius:15px;cursor:pointer;transition:all .2s ease;min-width:80px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 8px #0000004d}.control-btn:hover{background:#4a6572;transform:translateY(-2px)}.control-btn:active{transform:translateY(0);background:#2c3e50}.pause-mobile{background:#e74c3c;font-size:1.3rem;padding:20px}.pause-mobile:hover{background:#c0392b}.control-btn:focus,.pause-btn:focus{outline:2px solid #52fa52;outline-offset:2px}@media screen and (min-width:769px){.mobile-controls{display:none!important}}@media screen and (max-width:768px){.snake-wrapper{padding:10px;align-items:flex-start;min-height:100vh;height:100vh}.snake-container{gap:15px;height:100%}.game-title h1{font-size:2rem}.snake-game{max-width:100%;height:auto;flex:1}.snake-header{font-size:.9rem;padding:12px 15px}.score-info{gap:10px;justify-content:center;flex:1}.speed{font-size:.8rem}.pause-btn{padding:6px 12px;font-size:.8rem}.play-board{aspect-ratio:1 / 1;min-height:0}.mobile-controls{display:flex}.control-btn{padding:18px 22px;font-size:1.4rem;min-width:70px}.game-instructions{font-size:.8rem;padding:12px 15px}.paused-text{font-size:2.5rem}}@media screen and (max-width:480px){.game-title h1{font-size:1.8rem}.snake-header{flex-direction:column;gap:8px;text-align:center}.score-info{width:100%;justify-content:space-around}.control-btn{padding:16px 20px;font-size:1.3rem;min-width:65px}.controls-row{gap:10px}.paused-text{font-size:2rem}}@media screen and (max-width:360px){.control-btn{padding:14px 18px;font-size:1.2rem;min-width:60px}.game-title h1{font-size:1.6rem}}