: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;padding:0;min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden}.game-container{position:relative;width:100vw;height:100vh;display:flex;flex-direction:column}.hud{position:absolute;top:0;left:0;right:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:linear-gradient(to bottom,rgba(0,0,0,.8),transparent);pointer-events:none}.hud-left,.hud-right,.hud-center{display:flex;align-items:center;gap:12px;pointer-events:auto}.hud-title{font-size:1.1rem;font-weight:700;letter-spacing:-.02em;color:#fbbf24;text-shadow:0 0 10px rgba(251,191,36,.4)}.gold-display{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1rem;color:#fbbf24;display:flex;align-items:center;gap:6px}.gold-icon{font-size:1.2rem}.wave-display{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;color:#94a3b8}.spawn-bar{position:absolute;bottom:0;left:0;right:0;z-index:10;display:flex;justify-content:center;align-items:center;gap:10px;padding:14px 20px;background:linear-gradient(to top,rgba(0,0,0,.85),transparent);pointer-events:none}.spawn-btn{pointer-events:auto;display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 18px;border:2px solid rgba(255,255,255,.15);border-radius:10px;background:#ffffff0f;color:#e2e8f0;cursor:pointer;font-family:inherit;font-size:.85rem;font-weight:600;transition:all .15s;min-width:90px}.spawn-btn:hover:not(:disabled){background:#ffffff1f;border-color:#ffffff4d;transform:translateY(-2px)}.spawn-btn:disabled{opacity:.35;cursor:not-allowed}.spawn-btn .cost{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7rem;color:#fbbf24}.spawn-btn .unit-icon{font-size:1.4rem}.health-bars{position:absolute;top:50px;left:20px;right:20px;z-index:10;display:flex;justify-content:space-between;pointer-events:none}.base-health{display:flex;flex-direction:column;gap:3px;width:200px}.base-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:#ffffff80}.base-label.enemy{text-align:right}.health-track{height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden}.health-fill{height:100%;border-radius:4px;transition:width .3s}.health-fill.player{background:linear-gradient(90deg,#22c55e,#4ade80)}.health-fill.enemy{background:linear-gradient(90deg,#ef4444,#f87171);float:right}.game-canvas{flex:1;display:block}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000bf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.overlay-title{font-size:3rem;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}.overlay-title.win{color:#4ade80;text-shadow:0 0 30px rgba(74,222,128,.5)}.overlay-title.lose{color:#ef4444;text-shadow:0 0 30px rgba(239,68,68,.5)}.overlay-title.title{color:#fbbf24;text-shadow:0 0 30px rgba(251,191,36,.5)}.overlay-sub{font-size:1.1rem;color:#fff9;margin-bottom:28px}.overlay-btn{padding:14px 40px;border:2px solid rgba(255,255,255,.2);border-radius:12px;background:#ffffff14;color:#fafafa;font-family:inherit;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s}.overlay-btn:hover{background:#ffffff26;border-color:#fff6;transform:translateY(-2px)}.controls-hint{margin-top:20px;font-size:.8rem;color:#ffffff59;text-align:center;line-height:1.8}.controls-hint kbd{display:inline-block;padding:2px 8px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.75rem}.speed-indicator{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem;color:#94a3b8;pointer-events:auto;cursor:pointer;padding:4px 10px;border:1px solid rgba(255,255,255,.15);border-radius:6px;background:#ffffff0d;transition:all .15s}.speed-indicator:hover{background:#ffffff1a}