/* Iframe Center */
        .content-center {
            display: flex; flex-direction: column;
            border-radius: 16px; overflow: hidden;
            border: 1px solid var(--glass-border); background: #000;
            overflow: hidden;
            height: 80vh; 
    min-height: 500px;
        }
        #game-frame { width: 100%; flex: 1; border: none; }

        .frame-controls {
            padding: 12px 20px; background: rgba(255,255,255,0.03);
            display: flex; justify-content: space-between; align-items: center;
            border-top: 1px solid var(--glass-border);
        }
        .control-group { display: flex; gap: 15px; }
        .control-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 0.75rem; font-family: 'Poppins'; }
        .control-btn:hover { color: white; }