: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}.game-container{display:flex;flex-direction:column;align-items:center;min-height:100vh;padding:12px;background:linear-gradient(180deg,#0c1445,#1a1a3e,#0a0a0a)}.game-header{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:800px;margin-bottom:10px}.game-title{margin:0;font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,#fbbf24,#f59e0b,#ef4444);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.game-controls{display:flex;gap:8px}.game-viewport{position:relative;border-radius:12px;overflow:hidden;border:2px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #00000080,0 0 60px #8b5cf61a}.game-canvas{display:block;width:800px;height:600px}.btn{padding:8px 16px;border:none;border-radius:8px;cursor:pointer;font-size:.85rem;font-weight:600;transition:all .15s;font-family:inherit}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-shop{background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff}.btn-shop:hover{background:linear-gradient(135deg,#7c3aed,#6d28d9)}.btn-pause{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.15)}.btn-pause:hover{background:#fff3}.btn-upgrade{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#1a1a2e;font-weight:700;padding:6px 14px;white-space:nowrap}.btn-upgrade:hover:not(:disabled){background:linear-gradient(135deg,#f59e0b,#d97706)}.btn-restart{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;font-size:1.1rem;padding:12px 32px;margin-top:16px}.shop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:10;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.shop-panel{background:#1e1b4b;border:1px solid rgba(139,92,246,.3);border-radius:16px;padding:24px;width:90%;max-width:500px;max-height:80%;overflow-y:auto}.shop-title{margin:0 0 16px;font-size:1.2rem;color:#a78bfa;text-align:center}.shop-grid{display:flex;flex-direction:column;gap:10px}.shop-item{display:flex;align-items:center;gap:12px;padding:12px;background:#ffffff0a;border-radius:10px;border-left:3px solid #6366f1;transition:background .15s}.shop-item:hover{background:#ffffff14}.castle-item{border-left-color:#ef4444}.shop-item-icon{font-size:1.8rem;width:44px;text-align:center;flex-shrink:0}.shop-item-info{flex:1;min-width:0}.shop-item-name{font-weight:700;font-size:.95rem;color:#e2e8f0}.shop-item-name .lv{color:#a78bfa;font-size:.8rem}.shop-item-stats{font-size:.75rem;color:#94a3b8;margin-top:2px}.gameover-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:20}.gameover-panel{text-align:center;padding:40px;background:#1e1b4b;border:1px solid rgba(239,68,68,.3);border-radius:20px}.gameover-title{font-size:2.5rem;margin:0 0 16px;background:linear-gradient(135deg,#ef4444,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.gameover-stats{display:flex;flex-direction:column;gap:8px;font-size:1.1rem;color:#cbd5e1;margin-bottom:8px}.gameover-stats strong{color:#fbbf24}.hero-bar{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap;justify-content:center}.hero-card{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:8px;font-size:.8rem;border-left:3px solid #6366f1}.castle-card{border-left-color:#ef4444}.hero-card-icon{font-size:1.1rem}.hero-card-name{font-weight:600;color:#e2e8f0}.hero-card-level{color:#a78bfa;font-size:.75rem}@media(max-width:840px){.game-canvas{width:100%;height:auto}.game-viewport{width:100%}}