.menu{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background:linear-gradient(180deg,#1a3a1a,#0d1f0d);color:#fff;text-align:center}.menu h1{font-size:4rem;text-shadow:3px 3px 0 #000;margin-bottom:.5rem;letter-spacing:4px;color:#5cb85c}.menu p{margin-bottom:1.5rem;color:#aaa}.menu button{padding:14px 48px;font-size:1.4rem;font-family:Courier New,monospace;background:#5cb85c;color:#fff;border:3px solid #3d7a3d;cursor:pointer;text-shadow:1px 1px 0 #333;margin-bottom:2rem}.menu button:hover{background:#4cae4c}.controls-info{color:#888;font-size:.85rem;line-height:1.8}.game-container{width:100%;height:100%;position:relative}.game-container canvas{width:100%;height:100%;display:block}.crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:24px;pointer-events:none;text-shadow:1px 1px 2px rgba(0,0,0,.8);z-index:10}.hud-top{position:absolute;top:10px;left:10px;color:#fff;font-size:.8rem;display:flex;gap:16px;text-shadow:1px 1px 2px rgba(0,0,0,.9);z-index:10}.inventory-bar{position:absolute;bottom:10px;left:50%;transform:translate(-50%);display:flex;gap:4px;z-index:10}.inv-slot{width:52px;height:52px;background:#0009;border:2px solid #555;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;position:relative}.inv-slot.selected{border-color:#fff;background:#ffffff26}.block-preview{width:28px;height:28px;border:1px solid rgba(0,0,0,.3)}.slot-number{position:absolute;top:1px;left:3px;font-size:.6rem;color:#ccc}.slot-name{font-size:.5rem;color:#aaa;margin-top:1px}.pickup-flash{position:absolute;bottom:80px;left:50%;transform:translate(-50%);color:#ff0;font-size:1.1rem;font-weight:700;text-shadow:1px 1px 3px rgba(0,0,0,.9);z-index:20;pointer-events:none;animation:flashFade 1.5s ease-out forwards}@keyframes flashFade{0%{opacity:1;transform:translate(-50%) translateY(0)}to{opacity:0;transform:translate(-50%) translateY(-30px)}}.inventory-panel{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000d9;border:2px solid #555;padding:20px;z-index:30;min-width:320px;pointer-events:auto}.inventory-panel h3{color:#fff;margin:0 0 14px;text-align:center;font-size:1.1rem;text-shadow:1px 1px 0 #000}.inv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:6px}.inv-item{display:flex;align-items:center;gap:8px;padding:6px 8px;background:#ffffff0d;border:1px solid #444;opacity:.4}.inv-item.has-item{opacity:1;border-color:#888;background:#ffffff1a}.item-icon{width:24px;height:24px;border:1px solid rgba(0,0,0,.4);flex-shrink:0}.item-name{color:#ccc;font-size:.75rem;flex:1}.item-count{color:#fff;font-size:.9rem;font-weight:700;min-width:20px;text-align:right}.health-bar-container{position:absolute;bottom:72px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:2px;z-index:10}.hearts-row{display:flex;gap:1px}.heart{font-size:1rem;text-shadow:1px 1px 2px rgba(0,0,0,.9)}.heart.full{color:#e74c3c}.heart.half{color:#e74c3c;opacity:.6}.heart.empty{color:#555}.health-bg{width:200px;height:6px;background:#0009;border:1px solid #555}.health-fill{height:100%;background:linear-gradient(90deg,#c0392b,#e74c3c);transition:width .2s}.health-text{color:#fff;font-size:.65rem;text-shadow:1px 1px 2px rgba(0,0,0,.9)}.xp-bar-container{position:absolute;bottom:66px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:6px;z-index:10}.level-badge{color:#7dff7d;font-size:.85rem;font-weight:700;text-shadow:1px 1px 2px rgba(0,0,0,.9);min-width:36px}.xp-bg{width:180px;height:6px;background:#0009;border:1px solid #555}.xp-fill{height:100%;background:linear-gradient(90deg,#2ecc71,#7dff7d);transition:width .3s}.xp-text{color:#aaa;font-size:.6rem;text-shadow:1px 1px 2px rgba(0,0,0,.9);min-width:60px}.levelup-flash{position:absolute;top:30%;left:50%;transform:translate(-50%);color:#7dff7d;font-size:2.5rem;font-weight:700;text-shadow:2px 2px 6px rgba(0,0,0,.9),0 0 20px rgba(125,255,125,.5);z-index:25;pointer-events:none;animation:levelUpAnim 2.5s ease-out forwards}@keyframes levelUpAnim{0%{opacity:0;transform:translate(-50%) scale(.5)}15%{opacity:1;transform:translate(-50%) scale(1.2)}30%{transform:translate(-50%) scale(1)}70%{opacity:1}to{opacity:0;transform:translate(-50%) translateY(-40px)}}.break-progress-container{position:absolute;top:50%;left:50%;transform:translate(-50%,16px);width:60px;height:4px;background:#00000080;border:1px solid #888;z-index:10;pointer-events:none}.break-progress-bar{height:100%;background:gold;transition:width .05s linear}.loading-screen{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000d9;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:60}.loading-screen h1{font-size:3.5rem;text-shadow:3px 3px 0 #000;color:#5cb85c;letter-spacing:4px;margin-bottom:1rem}.loading-screen p{color:#ccc;font-size:1.1rem;margin-bottom:1.5rem}.loading-bar-bg{width:300px;height:12px;background:#ffffff1a;border:2px solid #555;border-radius:6px;overflow:hidden}.loading-bar-fill{height:100%;background:linear-gradient(90deg,#5cb85c,#7dff7d);transition:width .15s linear;border-radius:4px}.loading-percent{color:#aaa;font-size:.9rem;margin-top:8px}.loading-screen button{padding:14px 48px;font-size:1.4rem;font-family:Courier New,monospace;background:#5cb85c;color:#fff;border:3px solid #3d7a3d;cursor:pointer;text-shadow:1px 1px 0 #333;animation:pulseBtn 1.5s ease-in-out infinite}.loading-screen button:hover{background:#4cae4c}@keyframes pulseBtn{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.death-screen{position:absolute;top:0;left:0;width:100%;height:100%;background:#8b000099;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:50}.death-screen h2{color:#fff;font-size:3rem;text-shadow:3px 3px 0 #000;margin-bottom:2rem}.death-screen button{padding:12px 40px;font-size:1.3rem;font-family:Courier New,monospace;background:#5cb85c;color:#fff;border:3px solid #3d7a3d;cursor:pointer;text-shadow:1px 1px 0 #333}.death-screen button:hover{background:#4cae4c}