:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa}.shell{min-height:100vh;display:grid;place-items:center;padding:2rem}.game-container{display:flex;flex-direction:column;align-items:center;gap:1rem}.header{display:flex;align-items:center;justify-content:space-between;width:100%}h1{margin:0;font-size:1.5rem;font-weight:600;letter-spacing:-.02em}.scores{display:flex;gap:1.5rem}.score{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;color:#ffffffa6}.score.high{color:#facc15}.board{position:relative;background:#111;border:1px solid rgba(255,255,255,.12);border-radius:.5rem;overflow:hidden}.cell{position:absolute}.snake{background:#4ade80;border-radius:3px}.snake.head{background:#22c55e;border-radius:4px}.food{background:#f87171;border-radius:50%}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000bf;border-radius:.5rem;gap:.5rem}.overlay p{margin:0;font-size:1.5rem;font-weight:700;letter-spacing:-.02em}.overlay small{margin:0;font-size:.85rem;color:#ffffff80}.controls{text-align:center}.controls p{margin:0;font-size:.8rem;color:#fff6}