:root {
            --bg-color: #f8fafc;
            --surface-color: #ffffff;
            --border-color: #e2e8f0;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --accent-primary: #4f46e5; /* Indigo */
            --accent-secondary: #c9a96e; /* Gold */
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --radius-xl: 24px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.025);
        }

        body { 
            background: var(--bg-color); 
            display: flex; 
            min-height: 100vh; 
            overflow-x: hidden; 
            font-family: 'Inter', sans-serif;
            color: var(--text-main);
            margin: 0;
        }
        
        /* Admin Sidebar (Maintained from adminData.js but styled here) */
        .admin-sidebar { width: 280px; background: #0f172a; color: #fff; display: flex; flex-direction: column; transition: transform 0.3s; z-index: 100; flex-shrink: 0; box-shadow: 4px 0 24px rgba(0,0,0,0.1); }
        .sidebar-header { padding: 32px 24px; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; align-items: center; }
        .sidebar-header h2 { font-size: 22px; color: #fff; font-family: 'Outfit', sans-serif; font-weight: 800; letter-spacing: 0.5px; margin: 0; }
        .sidebar-header span { color: var(--accent-secondary); }
        .close-sidebar { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }
        
        .sidebar-menu { padding: 24px 0; display: flex; flex-direction: column; flex: 1; gap: 4px; }
        .sidebar-menu a { display: flex; align-items: center; gap: 14px; padding: 14px 24px; color: #94a3b8; text-decoration: none; font-weight: 500; font-size: 15px; transition: all 0.2s ease; border-left: 4px solid transparent; }
        .sidebar-menu a:hover { background: rgba(255,255,255,0.03); color: #fff; }
        .sidebar-menu a.active { background: linear-gradient(90deg, rgba(79,70,229,0.15) 0%, transparent 100%); color: #fff; border-left-color: var(--accent-primary); }
        .sidebar-menu a.active svg { stroke: var(--accent-primary); }
        .sidebar-menu svg { width: 20px; height: 20px; transition: stroke 0.2s; }

        /* Main Content */
        .admin-main { flex: 1; display: flex; flex-direction: column; overflow-y: auto; overflow-x: hidden; }
        
        /* Topbar */
        .admin-topbar { 
            background: var(--surface-color); 
            height: 76px; 
            padding: 0 40px; 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            border-bottom: 1px solid var(--border-color); 
            box-shadow: var(--shadow-sm); 
            position: sticky;
            top: 0;
            z-index: 50;
        }
        .topbar-left { display: flex; align-items: center; gap: 20px; }
        .mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; color: var(--text-main); }
        .page-title { font-size: 22px; font-weight: 700; color: var(--text-main); margin: 0; font-family: 'Outfit', sans-serif; }
        .topbar-right { display: flex; align-items: center; gap: 32px; }
        .topbar-college-badge { background: #f1f5f9; padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; color: var(--text-muted); border: 1px solid var(--border-color); }
        .topbar-profile { display: flex; align-items: center; gap: 14px; font-weight: 600; font-size: 14px; cursor: pointer; padding: 6px; border-radius: 40px; transition: background 0.2s; }
        .topbar-profile:hover { background: #f1f5f9; }
        .profile-avatar { width: 40px; height: 40px; background: linear-gradient(135deg, var(--accent-primary), #3b82f6); color: #fff; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 16px; font-weight: 700; box-shadow: 0 4px 10px rgba(79,70,229,0.3); }
        .home-link { font-size: 14px; font-weight: 600; color: var(--accent-primary); text-decoration: none; display: flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 20px; background: rgba(79,70,229,0.05); transition: all 0.2s; }
        .home-link:hover { background: rgba(79,70,229,0.1); }

        /* Dashboard Content */
        .content-wrap { padding: 40px; max-width: 1600px; margin: 0 auto; width: 100%; box-sizing: border-box; }
        
        .header-actions { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
        .header-actions h2 { margin: 0; font-size: 28px; font-weight: 800; font-family: 'Outfit', sans-serif; letter-spacing: -0.5px; }
        .btn-group { display: flex; gap: 16px; }
        .btn-premium { background: var(--accent-primary); color: #fff; padding: 12px 24px; border-radius: 12px; text-decoration: none; font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 8px; transition: all 0.3s; border: none; cursor: pointer; box-shadow: 0 4px 12px rgba(79,70,229,0.25); }
        .btn-premium:hover { background: #4338ca; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(79,70,229,0.35); }
        .btn-outline { background: var(--surface-color); color: var(--text-main); padding: 12px 24px; border-radius: 12px; text-decoration: none; font-weight: 600; font-size: 14px; border: 1px solid var(--border-color); display: inline-flex; align-items: center; gap: 8px; transition: all 0.2s; box-shadow: var(--shadow-sm); }
        .btn-outline:hover { background: #f8fafc; border-color: #cbd5e1; }

        /* Stats Grid */
        .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-bottom: 40px; }
        .stat-card { background: var(--surface-color); padding: 28px; border-radius: var(--radius-xl); box-shadow: var(--shadow-md); border: 1px solid var(--border-color); display: flex; flex-direction: column; position: relative; overflow: hidden; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
        .stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: #cbd5e1; }
        .stat-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
        .stat-icon { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: rgba(79,70,229,0.1); color: var(--accent-primary); transition: all 0.3s; }
        .stat-card:hover .stat-icon { background: var(--accent-primary); color: #fff; transform: scale(1.05); }
        .stat-badge { font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 20px; }
        .badge-up { background: rgba(16, 185, 129, 0.1); color: var(--success); }
        .stat-value { font-size: 36px; font-weight: 800; color: var(--text-main); margin-bottom: 4px; font-family: 'Outfit', sans-serif; letter-spacing: -1px; }
        .stat-label { font-size: 14px; color: var(--text-muted); font-weight: 500; }

        /* Dashboard Grid Layout */
        .dash-grid { display: grid; grid-template-columns: 2fr 1.2fr; gap: 32px; margin-bottom: 40px; }
        
        /* Section Panels */
        .panel { background: var(--surface-color); border-radius: var(--radius-xl); border: 1px solid var(--border-color); padding: 32px; box-shadow: var(--shadow-md); transition: box-shadow 0.3s; }
        .panel:hover { box-shadow: var(--shadow-lg); }
        .panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
        .panel-title { font-size: 20px; font-weight: 700; color: var(--text-main); margin: 0; font-family: 'Outfit', sans-serif; }
        .panel-link { font-size: 14px; font-weight: 600; color: var(--accent-primary); text-decoration: none; display: flex; align-items: center; gap: 4px; }
        .panel-link:hover { text-decoration: underline; }
        
        /* Tables */
        .table-wrap { overflow-x: auto; margin: 0 -32px; padding: 0 32px; }
        .data-table { width: 100%; border-collapse: separate; border-spacing: 0; }
        .data-table th, .data-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border-color); }
        .data-table th { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; background: #f8fafc; border-y: 1px solid var(--border-color); }
        .data-table th:first-child { border-top-left-radius: 8px; border-bottom-left-radius: 8px; border-left: 1px solid var(--border-color); }
        .data-table th:last-child { border-top-right-radius: 8px; border-bottom-right-radius: 8px; border-right: 1px solid var(--border-color); }
        
        .data-table tbody tr { transition: background 0.2s; }
        .data-table tbody tr:hover { background: #f8fafc; }
        .data-table td { font-size: 14px; font-weight: 500; color: var(--text-main); }
        .td-product { display: flex; align-items: center; gap: 12px; }
        .td-product-img { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; background: #e2e8f0; }
        
        .status-badge { padding: 6px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
        .status-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; }
        .status-pending { background: #fef3c7; color: #b45309; }
        .status-pending::before { background: #d97706; }
        .status-shipped { background: #e0e7ff; color: #4338ca; }
        .status-shipped::before { background: #4f46e5; }
        .status-delivered { background: #d1fae5; color: #047857; }
        .status-delivered::before { background: #10b981; }
        
        .btn-action { padding: 6px 12px; background: #f1f5f9; color: var(--text-main); border-radius: 8px; font-size: 13px; font-weight: 600; text-decoration: none; transition: all 0.2s; }
        .btn-action:hover { background: var(--accent-primary); color: #fff; }

        /* Low Stock List */
        .stock-list { display: flex; flex-direction: column; gap: 16px; }
        .stock-item { display: flex; justify-content: space-between; align-items: center; padding: 16px; border-radius: 12px; background: #f8fafc; border: 1px solid var(--border-color); transition: all 0.2s; }
        .stock-item:hover { border-color: #cbd5e1; background: #fff; box-shadow: var(--shadow-sm); }
        .stock-info { display: flex; align-items: center; gap: 16px; }
        .stock-img { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; }
        .stock-details h4 { margin: 0 0 4px 0; font-size: 15px; font-weight: 600; color: var(--text-main); }
        .stock-details p { margin: 0; font-size: 13px; color: var(--text-muted); }
        .stock-badge { padding: 6px 12px; border-radius: 8px; font-size: 13px; font-weight: 700; background:#fee2e2; color:#b91c1c; display: flex; align-items: center; gap: 6px; }

        /* Charts */
        .charts-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; margin-bottom: 40px; }
        
        @media(max-width: 1200px) {
            .dash-grid, .charts-grid { grid-template-columns: 1fr; }
        }

        @media(max-width: 768px) {
            .admin-sidebar { position: fixed; top: 0; bottom: 0; left: 0; transform: translateX(-100%); }
            .admin-sidebar.open { transform: translateX(0); }
            .close-sidebar, .mobile-menu-btn { display: block; }
            .topbar-college-badge { display: none; }
            .admin-topbar { padding: 0 20px; }
            .content-wrap { padding: 24px 16px; }
            .header-actions { flex-direction: column; align-items: flex-start; gap: 20px; }
        }