*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#060504;font-family:Segoe UI,system-ui,sans-serif;color:#e0d8c8;cursor:default}#game-canvas{display:block;width:100%;height:100%}.damage-flash{position:fixed;inset:0;background:radial-gradient(ellipse at center,transparent 30%,rgba(180,0,0,.4));pointer-events:none;opacity:0;z-index:4;transition:opacity .05s ease-in}.damage-flash.active{opacity:1;transition:none}.crosshair{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;z-index:10}.crosshair:before,.crosshair:after{content:"";position:absolute;background:#ffffffb3}.crosshair:before{width:16px;height:2px;top:-1px;left:-8px}.crosshair:after{width:2px;height:16px;top:-8px;left:-1px}.hud{position:fixed;inset:0;pointer-events:none;z-index:5}.hud-top{display:flex;align-items:center;gap:20px;padding:12px 16px}.hud-timer{font-size:20px;font-weight:600;color:gold;font-variant-numeric:tabular-nums;min-width:50px}.hud-hearts{display:flex;gap:4px}.heart{display:inline-block;width:20px;height:20px;border-radius:2px}.heart-full{background:#e83030;box-shadow:0 0 6px #e8303080}.heart-empty{background:#3a2020;border:1px solid #5a3030}.hud-keys{display:flex;gap:4px}.key-indicator{display:inline-block;width:16px;height:16px;border-radius:2px;border:1px solid rgba(255,255,255,.3)}.key-gold{background:#d4a017}.key-red{background:#a02020}.key-blue{background:#2040a0}.key-green{background:#208030}.key-purple{background:#702090}.hud-stars{font-size:18px;color:gold}.hud-stars:before{content:"★"}.hud-bottom{position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.weapon-bar{display:flex;gap:4px}.weapon-slot{position:relative;padding:8px 16px;background:#0009;border:1px solid rgba(255,215,0,.2);border-radius:4px;text-align:center;min-width:80px;overflow:hidden}.weapon-slot:after{content:"";position:absolute;bottom:0;left:0;width:var(--cooldown, 0%);height:2px;background:#f44;transition:width .05s linear}.weapon-active{border-color:gold;background:#ffd7001a}.weapon-key{display:block;font-size:11px;color:#888;margin-bottom:2px}.weapon-name{display:block;font-size:13px;font-weight:500}.overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#060504d9;z-index:20}.overlay-content{text-align:center;max-width:500px;padding:40px}.game-title{font-size:48px;font-weight:700;color:gold;text-shadow:0 0 20px rgba(255,215,0,.3);margin-bottom:8px}.game-subtitle{font-size:16px;color:#998870;margin-bottom:32px}.overlay h2{font-size:32px;color:gold;margin-bottom:24px}.overlay p{font-size:18px;color:#c0b8a0;margin-bottom:12px}.level-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin-top:16px}.level-btn{padding:12px 8px;background:#ffd70014;border:1px solid rgba(255,215,0,.2);border-radius:6px;color:#e0d8c8;font-size:14px;cursor:pointer;transition:background .15s,border-color .15s}.level-btn:hover{background:#ffd70026;border-color:gold}.btn{display:block;width:200px;margin:8px auto;padding:12px 24px;background:#ffd7001f;border:1px solid rgba(255,215,0,.3);border-radius:6px;color:gold;font-size:16px;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{background:#ffd70033;border-color:gold}.loading-bar{width:300px;height:6px;background:#1a1815;border-radius:3px;margin:16px auto;overflow:hidden}.loading-fill{width:100%;height:100%;background:gold;animation:loading-pulse 1.5s ease-in-out infinite}@keyframes loading-pulse{0%,to{opacity:.3}50%{opacity:1}}.error-message{color:#ff6b6b;font-size:14px;max-width:400px;margin:0 auto}.hidden{display:none!important}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#0a0908}::-webkit-scrollbar-thumb{background:#2a2520;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#3a3530}