html,body{margin:0;padding:0;overflow:hidden;width:100%;height:100%;background-color:#000;font-family:sans-serif;color:#eee}#renderCanvas{width:100%;height:100%;display:block;touch-action:none;outline:none}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#000000d9;display:flex;justify-content:center;align-items:center;text-align:center;z-index:10;opacity:1;transition:opacity .3s ease-in-out}.overlay-content{padding:30px;background-color:#14141ee6;border-radius:10px;box-shadow:0 0 15px #00c8ff80}.overlay h1{margin-top:0;color:#00d1ff}.overlay button{padding:12px 25px;font-size:1.1em;margin:10px;cursor:pointer;background-color:#007bff;color:#fff;border:none;border-radius:5px;transition:background-color .2s}.overlay button:hover{background-color:#0056b3}.overlay button:disabled{background-color:#6c757d;cursor:not-allowed;opacity:.65}.button-group{display:flex;justify-content:center;gap:10px;margin-bottom:15px}.level-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:600px;margin:0 auto 20px}.level-item{padding:10px;border-radius:5px;text-align:center;cursor:pointer;transition:all .2s;background-color:#007bff;color:#fff}.level-item.completed{background-color:#28a745}.level-item.locked{background-color:#6c757d;cursor:not-allowed;opacity:.65}.level-item:hover:not(.locked){transform:scale(1.05);background-color:#0056b3}.level-item.completed:hover{background-color:#218838}#introMessage{max-width:700px;text-align:left;margin:15px auto;padding:15px;background-color:#0000004d;border-radius:8px;font-size:.9em;color:#ddd;max-height:20vh;overflow-y:auto}#gameInfoContent{max-width:800px;text-align:left;margin:15px auto;padding:15px;background-color:#0000004d;border-radius:8px;font-size:.95em;color:#ddd;max-height:60vh;overflow-y:auto}#introMessage h2,#introMessage h3,#gameInfoContent h2,#gameInfoContent h3{color:#00d1ff;margin-top:10px;margin-bottom:5px}#introMessage p,#gameInfoContent p{margin-bottom:10px}#introMessage ul,#gameInfoContent ul{padding-left:20px;margin-top:5px}#introMessage li,#gameInfoContent li{margin-bottom:4px}#soundControl{background:none;border:none;font-size:1.5em;padding:5px;margin-left:15px;cursor:pointer}.progress-bar-container{width:80%;max-width:300px;height:20px;background-color:#333;border-radius:10px;margin:20px auto;overflow:hidden}#progressBar{width:0%;height:100%;background-color:#4caf50;transition:width .2s linear}#hud{position:absolute;top:10px;left:10px;background-color:#00000080;padding:10px;border-radius:5px;color:#fff;font-size:1em;z-index:5;min-width:150px}#hud div{margin-bottom:5px}.energy-bar-container{width:100px;height:10px;background-color:#555;border-radius:5px;display:inline-block;margin-left:5px;overflow:hidden;vertical-align:middle}#energyBarFill{width:100%;height:100%;background-color:#adff2f;transition:width .2s linear,background-color .2s linear}#minimap{position:absolute;bottom:10px;right:10px;border:1px solid rgba(150,150,200,.5);background-color:#00000a99;z-index:5}#diagnostics{position:absolute;bottom:10px;left:10px;background-color:#0009;padding:5px;border-radius:3px;color:#aaa;font-size:.8em;z-index:5;max-height:150px;overflow-y:auto}#mobileControls{position:fixed;bottom:0;left:0;width:100%;height:150px;display:none;justify-content:space-between;align-items:center;padding:15px 20px;box-sizing:border-box;pointer-events:none;z-index:50}@media (pointer: coarse){#mobileControls{display:flex}}#moveControls{position:relative;width:120px;height:120px;pointer-events:auto}#actionControls{pointer-events:auto;display:flex;justify-content:center;align-items:center;width:80px;height:80px}.move-btn,.action-btn{position:absolute;background-color:#fff3;border:2px solid rgba(255,255,255,.5);color:#fff;font-size:24px;font-weight:700;border-radius:50%;cursor:pointer;display:flex;justify-content:center;align-items:center;-webkit-user-select:none;user-select:none;touch-action:manipulation;transition:background-color .1s ease}#joystickContainer{position:relative;width:120px;height:120px;display:flex;justify-content:center;align-items:center}#joystickBase{position:relative;width:100px;height:100px;background-color:#ffffff1a;border:2px solid rgba(255,255,255,.3);border-radius:50%;display:flex;justify-content:center;align-items:center;touch-action:none}#joystickHandle{position:absolute;width:40px;height:40px;background-color:#ffffff80;border:2px solid rgba(255,255,255,.8);border-radius:50%;touch-action:none;transition:transform .08s ease-out}#shootBtn{width:70px;height:70px;font-size:30px}.move-btn:active,.action-btn:active,.move-btn.active-touch,.action-btn.active-touch{background-color:#ffffff80}.game-info-content{max-height:60vh;overflow-y:auto;margin:20px 0;padding:15px;background-color:#00000080;border-radius:5px;text-align:left;line-height:1.5}.settings-container{width:100%;max-width:500px;max-height:60vh;overflow-y:auto;margin:20px 0;padding:15px;background-color:#00000080;border-radius:5px;text-align:left}.setting-group{margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.2)}.setting-group h2{margin-top:0;margin-bottom:10px;color:#4caf50;font-size:1.2em}.setting-group h3{margin-top:15px;margin-bottom:10px;font-size:1em;color:#ddd}.setting-option{margin:10px 0;padding:5px}.setting-option label{display:block;margin:5px 0;cursor:pointer}.setting-option input[type=checkbox],.setting-option input[type=radio]{margin-right:10px;cursor:pointer}#musicSelection{margin-left:20px}