: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;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa}.game-container{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.game-wrapper{display:flex;flex-direction:column;align-items:center;gap:1rem}.title{font-size:2rem;font-weight:700;letter-spacing:-.03em;color:#4ade80;text-shadow:0 0 20px rgba(74,222,128,.3)}.score-bar{display:flex;gap:2rem}.score-item{display:flex;flex-direction:column;align-items:center}.score-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;color:#fff6}.score-value{font-size:1.5rem;font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#fafafa}.score-value.best{color:#facc15}.canvas-wrapper{position:relative;border:2px solid rgba(255,255,255,.08);border-radius:.5rem;overflow:hidden;box-shadow:0 0 40px #00000080,0 0 80px #4ade800d}.game-canvas{display:block}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000bf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);gap:.5rem}.overlay-title{font-size:2.5rem;font-weight:800;letter-spacing:-.03em}.overlay-hint{font-size:.9rem;color:#fff9}.overlay-hint kbd{background:#ffffff1f;border:1px solid rgba(255,255,255,.2);border-radius:.25rem;padding:.15em .5em;font-family:inherit;font-size:.85em}.overlay-controls{font-size:.8rem;color:#ffffff59}.game-over-overlay{gap:.75rem}.game-over-text{color:#f87171;text-shadow:0 0 20px rgba(248,113,113,.3)}.overlay-score{font-size:1.2rem;font-weight:600;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.restart-btn{margin-top:.5rem;padding:.6rem 1.8rem;font-size:1rem;font-weight:600;color:#111;background:#4ade80;border:none;border-radius:.5rem;cursor:pointer;transition:background .15s,transform .1s}.restart-btn:hover{background:#22c55e;transform:scale(1.04)}.restart-btn:active{transform:scale(.97)}.controls-hint{display:flex;gap:1.5rem;font-size:.75rem;color:#ffffff40}