*{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;height:100%;overflow:hidden;background:#0a0a1a;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
#app{width:100%;height:100%;display:flex;justify-content:center;align-items:center;position:relative}
#phaser-game canvas{border-radius:0;display:block;image-rendering:pixelated}
#mobile-controls{position:fixed;bottom:10px;left:0;width:100%;display:flex;justify-content:center;gap:8px;padding:0 8px;pointer-events:none;z-index:100}
#mobile-controls .ctrl-btn{pointer-events:auto;width:48px;height:48px;border-radius:50%;border:2px solid rgba(255,255,255,0.3);background:rgba(0,0,0,0.55);color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 0.15s,transform 0.1s;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
#mobile-controls .ctrl-btn:active{background:rgba(74,144,226,0.5);transform:scale(0.9)}