: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;overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:manipulation}.game-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;position:relative}canvas{cursor:pointer;border-radius:50%}.hud{display:flex;gap:2rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;letter-spacing:.05em;color:#ffffffb3}.hud-item{display:flex;flex-direction:column;align-items:center;gap:.15rem}.hud-label{font-size:.6rem;text-transform:uppercase;letter-spacing:.2em;color:#ffffff59}.hud-value{font-size:1.4rem;font-weight:700;color:#fafafa}.instructions{position:absolute;bottom:2rem;text-align:center;font-size:.75rem;color:#ffffff4d;letter-spacing:.08em}.flash-overlay{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:0;transition:opacity .08s ease-out;z-index:10}.flash-overlay.hit{background:#4ade8026;opacity:1}.flash-overlay.miss{background:#f8717126;opacity:1}.streak-bar{display:flex;align-items:center;gap:.5rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7rem;color:#fff6;letter-spacing:.1em}.streak-dots{display:flex;gap:3px}.streak-dot{width:8px;height:8px;border-radius:50%;background:#ffffff1a;transition:background .2s}.streak-dot.active{background:#facc15;box-shadow:0 0 6px #facc1580}.message{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1.2rem;font-weight:700;letter-spacing:.05em;pointer-events:none;opacity:0;transition:opacity .3s}.message.visible{opacity:1}.message.hit-msg{color:#4ade80}.message.miss-msg{color:#f87171}