/* HEADER TOTALMENTE REFEITO E COMPACTO */
        .main-content-wrapper { flex: 1; display: flex; flex-direction: column; overflow: hidden; position: relative; min-width: 0; }
        
        header { 
            background: var(--bg-panel); padding: 8px 15px; display: flex; align-items: center; gap: 12px; 
            border-bottom: 1px solid var(--border); z-index: 50; flex-wrap: nowrap; overflow-x: auto;
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }
        header::-webkit-scrollbar { display: none; }
        header { -ms-overflow-style: none; scrollbar-width: none; }

        .toggle-sidebar-btn { background: var(--bg-card); border: 1px solid var(--border); color: var(--text-sec); font-size: 1.1rem; cursor: pointer; min-width: 36px; height: 36px; border-radius: 10px; display:flex; align-items:center; justify-content:center; transition: all 0.2s;}
        .toggle-sidebar-btn:hover { color: var(--primary); background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.3); transform: scale(1.05); }
        
        /* Stats Super Compacto */
        .header-stats-mini {
            display: flex; align-items: center; gap: 12px; background: var(--bg-dark); 
            padding: 6px 12px; border-radius: 8px; border: 1px solid var(--border);
            font-size: 0.8rem; font-weight: 700; color: var(--text-sec); flex-shrink: 0;
        }
        .header-stats-mini span { display: flex; align-items: center; gap: 6px; }
        .header-stats-mini b { color: var(--text-main); font-size: 0.85rem; }
        .text-success i { color: var(--success); }
        .text-warning i { color: var(--warning); }

        .top-controls { display: flex; gap: 8px; align-items: center; margin-left: auto;}