:root{--bg-color: #050510;--panel-bg: rgba(255, 255, 255, .05);--accent: #00f3ff;--text-color: #fff;--neon-glow: 0 0 10px #00f3ff, 0 0 20px #00f3ff}body{margin:0;display:flex;place-items:center;min-height:100vh;background:var(--bg-color);color:var(--text-color);font-family:Orbitron,sans-serif;overflow:hidden}#app{width:100%;display:flex;justify-content:center}.game-container{position:relative;display:flex;flex-direction:column;align-items:center}.header h1{font-size:3rem;margin:0 0 20px;text-shadow:var(--neon-glow);letter-spacing:5px}.game-wrapper{display:flex;gap:20px;background:var(--panel-bg);padding:20px;border-radius:10px;border:1px solid rgba(255,255,255,.1);box-shadow:0 0 50px #00000080;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.game-board{border:2px solid rgba(255,255,255,.2);background:#00000080;box-shadow:inset 0 0 20px #000c}.sidebar{display:flex;flex-direction:column;gap:20px;min-width:150px}.score-card{background:#0000004d;padding:15px;border-radius:5px;border-left:3px solid var(--accent)}.score-card h3{margin:0;font-size:.8rem;color:#aaa;text-transform:uppercase}.score-card p{margin:5px 0 0;font-size:1.5rem;color:var(--accent);text-shadow:0 0 5px var(--accent)}.controls-info{margin-top:auto;font-size:.7rem;color:#888;line-height:1.5}.start-screen{position:absolute;top:0;left:0;width:100%;height:100%;background:#050510f2;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:10;border-radius:10px;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.start-screen h1{font-size:4rem;margin-bottom:40px;text-shadow:var(--neon-glow);text-align:center}#play-btn{background:transparent;color:var(--accent);border:2px solid var(--accent);padding:15px 40px;font-size:1.5rem;font-family:Orbitron,sans-serif;cursor:pointer;border-radius:5px;transition:all .3s ease;text-shadow:0 0 5px var(--accent);box-shadow:0 0 10px #00f3ff33}#play-btn:hover{background:var(--accent);color:var(--bg-color);box-shadow:0 0 30px #00f3ff99}