: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}.game-container{width:100vw;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 0%,#1a1a2e,#0a0a0a 70%);position:relative}canvas{border-radius:12px;box-shadow:0 0 60px #6464ff26,0 0 120px #6464ff0d}.hud{position:absolute;top:20px;left:50%;transform:translate(-50%);display:flex;gap:2rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1rem;color:#fffc;z-index:10}.hud-item{display:flex;align-items:center;gap:.4rem}.hud-label{color:#ffffff73;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em}.hud-value{font-weight:700;font-size:1.2rem;color:#fff}.score-value{color:gold}.combo-value{color:#ff6b9d}.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(8px);backdrop-filter:blur(8px);border-radius:12px;z-index:20}.overlay h1{margin:0 0 .5rem;font-size:2.5rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#667eea,#764ba2,#f093fb);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.overlay .subtitle{color:#ffffff80;font-size:.9rem;margin-bottom:2rem}.overlay .final-score{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:3rem;font-weight:800;color:gold;margin:.5rem 0}.overlay .high-score{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;color:#fff6;margin-bottom:2rem}.btn{padding:.75rem 2.5rem;border:none;border-radius:2rem;font-size:1rem;font-weight:700;cursor:pointer;letter-spacing:.05em;transition:transform .15s,box-shadow .15s;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 20px #667eea66}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 30px #667eea99}.btn:active{transform:translateY(0)}.controls-hint{margin-top:1.5rem;font-size:.75rem;color:#ffffff4d;text-align:center;line-height:1.8}.controls-hint kbd{display:inline-block;padding:.15rem .5rem;border:1px solid rgba(255,255,255,.15);border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7rem;background:#ffffff0d}.game-over-stats{display:flex;gap:2rem;margin-bottom:1.5rem}.stat{text-align:center}.stat-label{font-size:.65rem;text-transform:uppercase;letter-spacing:.15em;color:#ffffff59;margin-bottom:.25rem}.stat-value{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.4rem;font-weight:700;color:#fff}.lane-indicator{position:absolute;bottom:15px;left:50%;transform:translate(-50%);display:flex;gap:.5rem;z-index:10}.lane-dot{width:8px;height:8px;border-radius:50%;background:#ffffff26;transition:background .2s}.lane-dot.active{background:#ffffffb3;box-shadow:0 0 8px #ffffff4d}