:root{--bg-dark: #0a0a12;--neon-green: #2ecc71;--neon-blue: #3498db;--neon-purple: #9b59b6;--neon-red: #e74c3c;--text-main: #ffffff}body{margin:0;background-color:var(--bg-dark);color:var(--text-main);font-family:Segoe UI,system-ui,sans-serif;overflow:hidden}.game-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;padding:20px;background:radial-gradient(circle at center,#1a1a2e,#0a0a12)}.game-header{display:flex;justify-content:space-between;width:100%;max-width:500px;margin-bottom:10px;padding:10px 20px;background:#ffffff0d;border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.stat-group{display:flex;align-items:center;gap:8px}.score-text{font-size:24px;font-weight:700;color:var(--neon-green);text-shadow:0 0 10px var(--neon-green)}.high-score{font-size:18px;color:#f1c40f}.cloud-sync{display:flex;align-items:center;gap:5px;font-size:10px;color:#ffffff80;text-transform:uppercase;letter-spacing:1px}.syncing{animation:rotate 2s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.lives-bar{display:flex;gap:10px;margin-bottom:15px}.game-board{position:relative;display:grid;width:90vmin;height:90vmin;max-width:500px;max-height:500px;background:#0000004d;border:2px solid rgba(255,255,255,.1);border-radius:8px;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:calc(100% / 30) calc(100% / 30)}.snake-cell{border-radius:2px;transition:all .1s ease}.snake-cell.player{background:var(--neon-green);box-shadow:0 0 15px var(--neon-green);z-index:2}.snake-cell.head{border-radius:4px;z-index:3}.snake-head-content{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.snake-head-content img{width:140%;height:140%;object-fit:contain}.eye-pair{display:flex;gap:2px}.eye{width:3px;height:3px;background:#fff;border-radius:50%}.food{position:relative;z-index:1}.food-glow{width:80%;height:80%;margin:10%;background:#ff4757;border-radius:50%;box-shadow:0 0 20px #ff4757;animation:pulse 1s infinite alternate}@keyframes pulse{0%{transform:scale(.8);opacity:.6}to{transform:scale(1.2);opacity:1}}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:10;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.hero-content{text-align:center}.hero-content h1{font-size:48px;margin-bottom:10px;background:linear-gradient(to right,var(--neon-green),var(--neon-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 10px rgba(46,204,113,.5))}.btn-primary{display:flex;align-items:center;gap:10px;margin:20px auto;padding:15px 40px;font-size:18px;font-weight:700;color:#fff;background:linear-gradient(45deg,#2ecc71,#27ae60);border:none;border-radius:30px;cursor:pointer;box-shadow:0 5px 15px #2ecc7166;transition:transform .2s}.btn-primary:hover{transform:scale(1.05)}.controls-hint{margin-top:20px;color:#fff6;font-size:14px}.controls-hint span{color:var(--neon-blue);font-weight:700;padding:2px 6px;background:#ffffff1a;border-radius:4px}.text-danger{color:#ff4757!important;background:none!important;-webkit-text-fill-color:#ff4757!important}