@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}: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:#000;color:#fafafa;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}canvas{display:block;position:fixed;top:0;left:0}.hud{position:fixed;top:12px;left:12px;right:12px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;z-index:10;font-size:14px;font-weight:600}.hud-left,.hud-right{display:flex;flex-direction:column;gap:4px}.hud-right{align-items:flex-end}.hud-label{color:#ffffff80;font-size:10px;text-transform:uppercase;letter-spacing:.1em}.hud-value{color:#fff;font-size:18px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.coin-hud{color:gold}.distance-hud{color:#0ff}.shop-btn{position:fixed;bottom:20px;right:20px;z-index:20;pointer-events:auto;background:#ffd70026;border:1px solid rgba(255,215,0,.4);color:gold;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:700;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.shop-btn:active{transform:scale(.95)}.shop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;z-index:50;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.shop-panel{background:#111;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:24px;width:90%;max-width:380px;max-height:80vh;overflow-y:auto}.shop-title{font-size:20px;font-weight:700;margin-bottom:16px;text-align:center;color:gold}.shop-coins{text-align:center;color:gold;font-family:ui-monospace,monospace;font-size:16px;margin-bottom:20px}.shop-item{display:flex;justify-content:space-between;align-items:center;padding:12px;margin-bottom:8px;border-radius:10px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08)}.shop-item-info{display:flex;flex-direction:column;gap:2px}.shop-item-name{font-weight:600;font-size:14px}.shop-item-desc{font-size:11px;color:#fff6}.shop-item-level{font-size:10px;color:#ffffff4d}.buy-btn{background:#00ffaa26;border:1px solid rgba(0,255,170,.4);color:#0fa;padding:8px 14px;border-radius:8px;font-size:13px;font-weight:700;cursor:pointer;font-family:ui-monospace,monospace;white-space:nowrap}.buy-btn:disabled{opacity:.3;cursor:not-allowed}.buy-btn:active:not(:disabled){transform:scale(.95)}.close-shop{display:block;width:100%;margin-top:12px;padding:12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);color:#fff;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer}.start-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#0a0a2e,#000 70%);gap:20px}.start-title{font-size:32px;font-weight:800;background:linear-gradient(135deg,#ff6b35,gold,#ff3567);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center}.start-sub{color:#ffffff80;font-size:14px}.start-btn{margin-top:12px;padding:16px 48px;background:linear-gradient(135deg,#ff6b35,#ff3567);border:none;border-radius:50px;color:#fff;font-size:18px;font-weight:700;cursor:pointer;letter-spacing:.05em;animation:pulse 2s infinite}.start-btn:active{transform:scale(.95)}.game-over-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000c;gap:12px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.game-over-title{font-size:28px;font-weight:800;color:#ff3567}.game-over-stats{color:#fff9;font-size:14px;text-align:center;line-height:1.8}.restart-btn{margin-top:8px;padding:14px 40px;background:linear-gradient(135deg,#ff6b35,gold);border:none;border-radius:50px;color:#000;font-size:16px;font-weight:700;cursor:pointer}.touch-zone{position:fixed;bottom:0;left:0;right:0;height:50%;z-index:5;display:flex;align-items:center;justify-content:center;pointer-events:none}.touch-hint{color:#ffffff26;font-size:12px;text-align:center}