:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffde;background-color:#242424}body{margin:0;display:flex;place-items:center;justify-content:center;min-width:320px;min-height:100vh}#app{display:flex;justify-content:center;align-items:center;min-height:100vh}.game-container{display:flex;justify-content:center;align-items:flex-start;position:relative}canvas{border:2px solid #fff;display:block}.score-panel{position:absolute;left:calc(100% + 30px);background:#1a1a1a;padding:30px;border-radius:8px;min-width:180px}.score-panel div{margin:15px 0;font-size:1.8rem}.score-panel span{font-weight:700;color:#646cff;font-size:1.5rem}#start-menu{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.9);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100}#start-menu h1{font-size:7.5rem;font-family:Arial Black,sans-serif;color:#fff;text-shadow:0 0 5px #fff,0 0 10px #fff,0 0 20px #ff00de,0 0 40px #ff00de,0 0 80px #ff00de;animation:neon 1.5s ease-in-out infinite alternate;margin-bottom:40px}@keyframes neon{0%{text-shadow:0 0 5px #fff,0 0 10px #fff,0 0 20px #ff00de,0 0 40px #ff00de,0 0 80px #ff00de}to{text-shadow:0 0 10px #fff,0 0 20px #fff,0 0 30px #00ffff,0 0 50px #00ffff,0 0 100px #00ffff}}#start-menu>p{font-size:1.8rem;color:#888;margin-bottom:40px}#start-menu .controls{background:rgba(255,255,255,.1);padding:30px 60px;border-radius:10px;text-align:center}#start-menu .controls p{margin:12px 0;color:#fff;font-size:1.3rem}#start-menu .controls p:first-child{font-size:1.8rem;font-weight:700;margin-bottom:15px;color:#0ff}#game-over{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100}#game-over h2{font-size:4.5rem;color:#f44;margin-bottom:20px}#game-over p{font-size:2.25rem;color:#fff;margin:10px 0}#game-over p:last-of-type{color:#888;margin-top:30px}#pause-menu{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100}#pause-menu h2{font-size:4.5rem;color:#ff0;margin-bottom:30px}#pause-menu button{background:#333;color:#fff;border:2px solid #fff;padding:22px 60px;font-size:1.8rem;margin:10px;cursor:pointer;border-radius:8px;transition:background .2s}#pause-menu button:hover{background:#555}