:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --secondary: #64748b;
            --success: #10b981;
            --success-light: #d1fae5;
            --warning: #f59e0b;
            --warning-light: #fef3c7;
            --danger: #ef4444;
            --danger-light: #fee2e2;
            --info: #06b6d4;
            --info-light: #cffafe;
            --dark: #1e293b;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --gray-800: #1e293b;
            --gray-900: #0f172a;
            --sidebar-w: 260px;
            --sidebar-collapsed: 70px;
            --header-h: 60px;
            --radius: 10px;
            --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', sans-serif; background: var(--gray-50); color: var(--gray-800); font-size: 14px; overflow-x: hidden; }
        
        /* Sidebar */
        .sidebar {
            position: fixed; left: 0; top: 0; bottom: 0;
            width: var(--sidebar-w); background: var(--gray-900);
            color: #fff; z-index: 1000; transition: width 0.3s;
            display: flex; flex-direction: column;
            overflow-y: auto; overflow-x: hidden;
        }
        .sidebar.collapsed { width: var(--sidebar-collapsed); }
        .sidebar-brand {
            padding: 16px 20px; display: flex; align-items: center; gap: 12px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            min-height: var(--header-h);
        }
        .sidebar-brand .brand-icon {
            width: 34px; height: 34px; background: var(--primary);
            border-radius: 8px; display: flex; align-items: center;
            justify-content: center; font-size: 16px; flex-shrink: 0;
        }
        .sidebar-brand .brand-text { font-weight: 700; font-size: 15px; white-space: nowrap; }
        .sidebar.collapsed .brand-text,
        .sidebar.collapsed .menu-label,
        .sidebar.collapsed .menu-text,
        .sidebar.collapsed .submenu,
        .sidebar.collapsed .menu-arrow,
        .sidebar.collapsed .sidebar-footer-text { display: none; }
        
        .sidebar-menu { padding: 12px 0; flex: 1; }
        .menu-label {
            padding: 12px 20px 6px; font-size: 10px; font-weight: 700;
            text-transform: uppercase; letter-spacing: 1.2px; color: var(--gray-400);
        }
        .menu-item {
            display: flex; align-items: center; padding: 10px 20px; gap: 12px;
            cursor: pointer; color: var(--gray-300); transition: all 0.2s;
            text-decoration: none; position: relative; white-space: nowrap;
        }
        .menu-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
        .menu-item.active { background: rgba(37,99,235,0.15); color: var(--primary); border-right: 3px solid var(--primary); }
        .menu-item .menu-icon { width: 20px; text-align: center; flex-shrink: 0; font-size: 15px; }
        .menu-item .menu-text { font-size: 13px; font-weight: 500; }
        .menu-item .menu-arrow { margin-left: auto; font-size: 11px; transition: transform 0.2s; }
        .menu-item .menu-badge {
            margin-left: auto; background: var(--danger); color: #fff;
            font-size: 10px; padding: 2px 7px; border-radius: 10px; font-weight: 600;
        }
        .submenu { padding-left: 52px; max-height: 0; overflow: hidden; transition: max-height 0.3s; }
        .submenu.open { max-height: 300px; }
        .submenu .menu-item { padding: 8px 20px 8px 0; font-size: 13px; }
        .submenu .menu-item::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--gray-500); flex-shrink: 0; }
        .submenu .menu-item.active::before { background: var(--primary); }
        
        .sidebar-footer {
            position: relative;
            padding: 14px 20px; border-top: 1px solid rgba(255,255,255,0.08);
        }
        .sidebar-footer-trigger {
            width: 100%; background: none; border: none; cursor: pointer;
            display: flex; align-items: center; gap: 10px; padding: 4px;
            border-radius: 8px; color: inherit; font: inherit; text-align: left;
            transition: background 0.15s;
        }
        .sidebar-footer-trigger:hover { background: rgba(255,255,255,0.06); }
        .sidebar-footer .avatar {
            width: 34px; height: 34px; border-radius: 50%;
            background: var(--primary); display: flex; align-items: center;
            justify-content: center; font-size: 13px; font-weight: 600; flex-shrink: 0;
        }
        .sidebar-footer-text { white-space: nowrap; }
        .sidebar-footer-text .user-name { font-size: 13px; font-weight: 600; }
        .sidebar-footer-text .user-role { font-size: 11px; color: var(--gray-400); }
        .sidebar-footer-trigger .fa-chevron-up { transition: transform 0.2s; }
        .sidebar-footer.open .sidebar-footer-trigger .fa-chevron-up { transform: rotate(180deg); }

        .user-menu-dropdown {
            display: none; position: absolute; left: 12px; right: 12px; bottom: calc(100% + 8px);
            background: #fff; border-radius: 10px; box-shadow: var(--shadow-lg);
            overflow: hidden; z-index: 1010;
        }
        .sidebar-footer.open .user-menu-dropdown { display: block; }
        .sidebar.collapsed .user-menu-dropdown { left: 8px; right: -180px; }
        .user-menu-item {
            display: flex; align-items: center; gap: 10px; width: 100%;
            padding: 11px 14px; font-size: 13px; font-weight: 500; color: var(--gray-700);
            background: none; border: none; cursor: pointer; text-align: left;
            text-decoration: none; font-family: inherit;
        }
        .user-menu-item:hover { background: var(--gray-100); }
        .user-menu-item i { width: 16px; text-align: center; color: var(--gray-400); }
        .user-menu-item-danger { color: var(--danger); }
        .user-menu-item-danger i { color: var(--danger); }
        .user-menu-item-danger:hover { background: var(--danger-light); }
        .user-menu-dropdown form { margin: 0; }
        
        /* Header */
        .header {
            position: fixed; top: 0; right: 0;
            left: var(--sidebar-w); height: var(--header-h);
            background: #fff; border-bottom: 1px solid var(--gray-200);
            display: flex; align-items: center; padding: 0 24px;
            z-index: 999; transition: left 0.3s;
        }
        .sidebar.collapsed ~ .main-wrap .header { left: var(--sidebar-collapsed); }
        .header-toggle { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--gray-600); padding: 6px; border-radius: 6px; }
        .header-toggle:hover { background: var(--gray-100); }
        .header-title { margin-left: 16px; }
        .header-title h1 { font-size: 17px; font-weight: 700; color: var(--gray-800); }
        .header-title .breadcrumb { font-size: 12px; color: var(--gray-400); }
        .header-search-slot { margin-left: auto; display: flex; align-items: center; }
        .header-search { position: relative; }
        .header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
        .header-search-slot + .header-actions { margin-left: 12px; }
        .header-search i {
            position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
            color: var(--gray-400); font-size: 13px;
        }
        .header-search-input {
            width: 260px; height: 38px; border: 1px solid var(--gray-200); border-radius: 8px;
            padding: 0 12px 0 34px; font-size: 13px; color: var(--gray-700); background: var(--gray-50);
            transition: border-color 0.2s, background 0.2s;
        }
        .header-search-input:focus { outline: none; border-color: var(--primary); background: #fff; }
        .header-btn {
            width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--gray-200);
            background: #fff; cursor: pointer; display: flex; align-items: center;
            justify-content: center; color: var(--gray-500); font-size: 16px; position: relative;
        }
        .header-btn:hover { background: var(--gray-50); border-color: var(--gray-300); }
        .header-btn .badge-dot {
            position: absolute; top: 6px; right: 6px; width: 8px; height: 8px;
            background: var(--danger); border-radius: 50%; border: 2px solid #fff;
        }
        
        /* Main Content */
        .main-wrap { margin-left: var(--sidebar-w); transition: margin-left 0.3s; }
        .sidebar.collapsed ~ .main-wrap { margin-left: var(--sidebar-collapsed); }
        .main-content { padding: 24px; padding-top: calc(var(--header-h) + 24px); min-height: 100vh; }
        
        /* Cards */
        .card {
            background: #fff; border-radius: var(--radius); border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
        }
        .card-header {
            padding: 16px 20px; border-bottom: 1px solid var(--gray-100);
            display: flex; align-items: center; justify-content: space-between;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .card-header h3 { font-size: 15px; font-weight: 600; }
        .card-body { padding: 20px; }
        .card-footer {
            padding: 12px 20px; border-top: 1px solid var(--gray-100); background: var(--gray-50);
            border-radius: 0 0 var(--radius) var(--radius);
        }
        
        /* Stat Cards */
        .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
        .stat-card {
            background: #fff; border-radius: var(--radius); border: 1px solid var(--gray-200);
            padding: 20px; display: flex; align-items: flex-start; justify-content: space-between;
            box-shadow: var(--shadow); transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .stat-card .stat-info h4 { font-size: 12px; font-weight: 500; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; }
        .stat-card .stat-info h6 { font-size: 11px; font-weight: 500; color: var(--gray-500); margin-top: 1px; }
        .stat-card .stat-info .stat-value { font-size: 26px; font-weight: 800; color: var(--gray-800); margin-top: 4px; }
        .stat-card .stat-info .stat-change { font-size: 12px; margin-top: 6px; display: flex; align-items: center; gap: 4px; }
        .stat-card .stat-info .stat-change.up { color: var(--success); }
        .stat-card .stat-info .stat-change.down { color: var(--danger); }
        .stat-card .stat-icon {
            width: 44px; height: 44px; border-radius: 10px; display: flex;
            align-items: center; justify-content: center; font-size: 20px;
        }
        .stat-icon.blue { background: var(--primary-light); color: var(--primary); }
        .stat-icon.green { background: var(--success-light); color: var(--success); }
        .stat-icon.yellow { background: var(--warning-light); color: var(--warning); }
        .stat-icon.red { background: var(--danger-light); color: var(--danger); }
        .stat-icon.cyan { background: var(--info-light); color: var(--info); }
        
        /* Grid */
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        
        /* Tables */
        .table-wrap { overflow-x: scroll; padding-bottom: 8px; }
        .table-wrap::-webkit-scrollbar { height: 10px; }
        .table-wrap::-webkit-scrollbar-track { background: var(--gray-100); border-radius: 6px; }
        .table-wrap::-webkit-scrollbar-thumb { background: var(--gray-400); border-radius: 6px; }
        .table-wrap::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }
        .table-wrap { scrollbar-width: thin; scrollbar-color: var(--gray-400) var(--gray-100); }
        table { width: 100%; border-collapse: collapse; }
        table th {
            text-align: left; padding: 10px 14px; font-size: 11px; font-weight: 600;
            text-transform: uppercase; letter-spacing: 0.5px; color: var(--gray-500);
            background: var(--gray-50); border-bottom: 2px solid var(--gray-200);
        }
        table td { padding: 12px 14px; border-bottom: 1px solid var(--gray-100); font-size: 13px; vertical-align: middle; }
        table tr:hover td { background: var(--gray-50); }

        /* Sortable table header */
        table th.sortable-th { cursor: pointer; user-select: none; white-space: nowrap; }
        table th.sortable-th:hover { background: var(--gray-100); color: var(--gray-700); }
        table th.sortable-th .sort-icon { margin-left: 6px; font-size: 10px; opacity: 0.35; }
        table th.sortable-th .sort-icon.active { opacity: 1; color: var(--primary); }
        
        /* Badges */
        .badge {
            display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 20px;
            font-size: 11px; font-weight: 600; gap: 4px;
        }
        .badge-draft { background: var(--gray-100); color: var(--gray-600); }
        .badge-sent { background: var(--info-light); color: #0891b2; }
        .badge-approved { background: var(--success-light); color: #059669; }
        .badge-rejected { background: var(--danger-light); color: #dc2626; }
        .badge-revised { background: var(--warning-light); color: #d97706; }
        .badge-expired { background: var(--gray-200); color: var(--gray-500); }
        
        /* Buttons */
        .btn {
            display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px;
            border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer;
            border: none; transition: all 0.2s; text-decoration: none; white-space: nowrap;
        }
        .btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 6px; }
        .btn-xs { padding: 4px 8px; font-size: 11px; border-radius: 5px; }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.35); }
        .btn-secondary { background: var(--gray-100); color: var(--gray-700); border: 1px solid var(--gray-200); }
        .btn-secondary:hover { background: var(--gray-200); }
        .btn-success { background: var(--success); color: #fff; }
        .btn-success:hover { background: #059669; }
        .btn-warning { background: var(--warning); color: #fff; }
        .btn-danger { background: var(--danger); color: #fff; }
        .btn-danger:hover { background: #dc2626; }
        .btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; }
        .btn-ghost { background: transparent; color: var(--gray-600); }
        .btn-ghost:hover { background: var(--gray-100); }
        .btn-wa { background: #25d366; color: #fff; }
        .btn-wa:hover { background: #1fb855; }
        .btn-block { width: 100%; justify-content: center; }
        .btn-group { display: flex; gap: 8px; flex-wrap: wrap; }
        
        /* Forms */
        .form-group { margin-bottom: 18px; }
        .form-label { display: block; font-size: 13px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
        .form-label .required { color: var(--danger); }
        .form-control {
            width: 100%; padding: 10px 14px; border: 1.5px solid var(--gray-200);
            border-radius: 8px; font-size: 13px; font-family: inherit;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #fff; color: var(--gray-800);
        }
        .form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
        .form-control:disabled, .form-control.readonly { background: var(--gray-50); color: var(--gray-500); }
        select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2364748b'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; padding-right: 36px; }
        textarea.form-control { resize: vertical; min-height: 80px; }
        .form-hint { font-size: 11px; color: var(--gray-400); margin-top: 4px; }
        .spec-subhead {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .04em;
            text-transform: uppercase;
            color: var(--primary);
            margin: 18px 0 8px;
            padding-top: 12px;
            border-top: 1px dashed var(--gray-200);
        }
        .spec-subhead:first-child { margin-top: 0; padding-top: 0; border-top: none; }
        .spec-subhead i { margin-right: 6px; }
        .calc-card .card-body { padding: 16px; }
        .calc-row {
            display: flex;
            align-items: flex-end;
            gap: 16px;
            flex-wrap: wrap;
            border: 1px solid var(--gray-200);
            border-radius: 8px;
            padding: 10px 14px;
            margin-bottom: 8px;
        }
        .calc-row-op { background: var(--gray-50); }
        .calc-row-title { flex: 1 1 200px; font-weight: 600; font-size: 13px; }
        .calc-row-sub { font-weight: 400; font-size: 12px; color: var(--gray-500); margin-top: 2px; }
        .calc-stat { display: flex; flex-direction: column; gap: 3px; min-width: 90px; }
        .calc-stat label { font-size: 11px; color: var(--gray-400); }
        .calc-stat span { font-size: 13px; font-weight: 500; }
        .calc-stat-strong { color: var(--primary); font-weight: 700 !important; }
        .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
        .form-check { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 4px 0; }
        .form-check input[type="checkbox"],
        .form-check input[type="radio"] { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }
        .form-check label { font-size: 13px; cursor: pointer; color: var(--gray-700); }
        .input-group { display: flex; }
        .input-group .form-control { border-radius: 8px 0 0 8px; }
        .input-group .input-addon {
            padding: 0 14px; display: flex; align-items: center; background: var(--gray-100);
            border: 1.5px solid var(--gray-200); border-left: none; border-radius: 0 8px 8px 0;
            font-size: 13px; color: var(--gray-500); white-space: nowrap;
        }
        .input-group select.satuan-select {
            max-width: 62px; flex: 0 0 62px; border-radius: 0 8px 8px 0;
            border: 1.5px solid var(--gray-200); border-left: none;
            background: var(--gray-100); font-size: 13px; color: var(--gray-700);
            padding: 0 6px; cursor: pointer;
        }
        
        /* Steps */
        .steps { display: flex; align-items: center; margin-bottom: 32px; padding: 0 20px; }
        .step {
            display: flex; align-items: center; gap: 10px; flex: 1; position: relative;
        }
        .step:not(:last-child)::after {
            content: ''; flex: 1; height: 2px; background: var(--gray-200);
            margin: 0 12px;
        }
        .step.active:not(:last-child)::after { background: var(--primary); }
        .step.done:not(:last-child)::after { background: var(--success); }
        .step-num {
            width: 36px; height: 36px; border-radius: 50%; display: flex;
            align-items: center; justify-content: center; font-size: 14px;
            font-weight: 700; border: 2px solid var(--gray-300);
            color: var(--gray-400); background: #fff; flex-shrink: 0;
        }
        .step.active .step-num { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
        .step.done .step-num { border-color: var(--success); background: var(--success); color: #fff; }
        .step-label { font-size: 13px; font-weight: 600; color: var(--gray-400); white-space: nowrap; }
        .step.active .step-label { color: var(--primary); }
        .step.done .step-label { color: var(--success); }
        
        /* Product Grid */
        .product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
        .product-card {
            border: 2px solid var(--gray-200); border-radius: var(--radius);
            padding: 20px 14px; text-align: center; cursor: pointer; transition: all 0.2s;
            background: #fff;
        }
        .product-card:hover { border-color: var(--primary); background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .product-card.selected { border-color: var(--primary); background: var(--primary-light); box-shadow: 0 0 0 3px rgba(37,99,235,0.2); }
        .product-card .product-icon { font-size: 32px; margin-bottom: 10px; color: var(--primary); }
        .product-card .product-name { font-size: 12px; font-weight: 600; color: var(--gray-700); }
        
        /* Breakdown */
        .breakdown { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; }
        .breakdown-header {
            padding: 14px 20px; background: var(--gray-800); color: #fff;
            font-weight: 600; font-size: 14px; display: flex; align-items: center; justify-content: space-between;
        }
        .breakdown-section { border-bottom: 1px solid var(--gray-100); }
        .breakdown-section-title {
            padding: 12px 20px; font-weight: 600; font-size: 13px; color: var(--gray-600);
            background: var(--gray-50); cursor: pointer; display: flex; align-items: center; justify-content: space-between;
        }
        .breakdown-section-title:hover { background: var(--gray-100); }
        .breakdown-row { display: flex; justify-content: space-between; padding: 8px 20px 8px 40px; font-size: 13px; }
        .breakdown-row .label { color: var(--gray-600); }
        .breakdown-row .value { font-weight: 600; color: var(--gray-800); }
        .breakdown-total {
            display: flex; justify-content: space-between; padding: 14px 20px;
            font-weight: 700; font-size: 16px; background: var(--primary); color: #fff;
        }
        .breakdown-pcs {
            display: flex; justify-content: space-between; padding: 10px 20px;
            font-weight: 600; font-size: 14px; background: var(--primary-dark); color: rgba(255,255,255,0.9);
        }
        
        /* Scenario Cards */
        .scenario-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 24px; }
        .scenario-card {
            border: 2px solid var(--gray-200); border-radius: var(--radius);
            padding: 20px; background: #fff; transition: all 0.2s; cursor: pointer;
        }
        .scenario-card:hover { border-color: var(--primary); }
        .scenario-card.best { border-color: var(--success); background: linear-gradient(135deg, #f0fdf4, #dcfce7); }
        .scenario-card .scenario-badge {
            display: inline-block; padding: 3px 10px; border-radius: 20px;
            font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px;
        }
        .scenario-card.best .scenario-badge { background: var(--success); color: #fff; }
        .scenario-card .scenario-oplah { font-size: 13px; color: var(--gray-500); font-weight: 500; }
        .scenario-card .scenario-total { font-size: 24px; font-weight: 800; color: var(--gray-800); margin: 6px 0; }
        .scenario-card .scenario-pcs { font-size: 14px; color: var(--primary); font-weight: 700; }
        
        /* Alerts */
        .alert {
            padding: 14px 18px; border-radius: 8px; font-size: 13px;
            display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px;
        }
        .alert-warning { background: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
        .alert-info { background: var(--info-light); color: #155e75; border: 1px solid #a5f3fc; }
        .alert-success { background: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
        .alert-danger { background: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }
        .alert i { font-size: 18px; margin-top: 1px; }
        
        /* Chart placeholder */
        .chart-placeholder {
            height: 220px; background: linear-gradient(180deg, var(--gray-50), #fff);
            border-radius: 8px; display: flex; flex-direction: column;
            align-items: center; justify-content: center; position: relative;
            overflow: hidden;
        }
        .chart-bars { display: flex; align-items: flex-end; gap: 16px; height: 160px; padding: 0 30px; }
        .chart-bar {
            width: 36px; border-radius: 6px 6px 0 0; transition: height 0.6s ease;
            position: relative;
        }
        .chart-bar::after {
            content: attr(data-label); position: absolute; bottom: -22px;
            left: 50%; transform: translateX(-50%); font-size: 10px;
            color: var(--gray-500); white-space: nowrap;
        }
        .chart-bar::before {
            content: attr(data-value); position: absolute; top: -20px;
            left: 50%; transform: translateX(-50%); font-size: 10px;
            font-weight: 700; color: var(--gray-700);
        }
        
        /* Donut */
        .donut-chart { display: flex; align-items: center; gap: 24px; padding: 20px; }
        .donut-svg { width: 140px; height: 140px; }
        .donut-legend { display: flex; flex-direction: column; gap: 8px; }
        .legend-item { display: flex; align-items: center; gap: 8px; font-size: 12px; }
        .legend-dot { width: 10px; height: 10px; border-radius: 3px; }
        
        /* Filter Bar */
        .filter-bar {
            display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap;
            padding: 16px; background: #fff; border-radius: var(--radius);
            border: 1px solid var(--gray-200); align-items: flex-end;
        }
        .filter-bar .form-group { margin-bottom: 0; min-width: 150px; }
        .filter-bar .form-label { font-size: 11px; margin-bottom: 4px; }
        .filter-bar .form-control { padding: 8px 12px; font-size: 12px; }
        
        /* Tabs */
        .tabs { display: flex; border-bottom: 2px solid var(--gray-200); margin-bottom: 20px; }
        .tab {
            padding: 10px 20px; font-size: 13px; font-weight: 600;
            color: var(--gray-500); cursor: pointer; border-bottom: 2px solid transparent;
            margin-bottom: -2px; transition: all 0.2s;
        }
        .tab:hover { color: var(--gray-700); }
        .tab.active { color: var(--primary); border-bottom-color: var(--primary); }
        
        /* Machine Cards */
        .machine-card {
            background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius);
            padding: 20px; box-shadow: var(--shadow); transition: all 0.2s;
        }
        .machine-card:hover { box-shadow: var(--shadow-md); }
        .machine-card .machine-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
        .machine-card .machine-name { font-size: 16px; font-weight: 700; color: var(--gray-800); }
        .machine-card .machine-status { padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
        .machine-card .machine-status.active { background: var(--success-light); color: #059669; }
        .machine-card .machine-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
        .machine-card .spec-item { font-size: 12px; }
        .machine-card .spec-item .spec-label { color: var(--gray-400); font-weight: 500; }
        .machine-card .spec-item .spec-value { color: var(--gray-800); font-weight: 600; margin-top: 2px; }
        
        /* Supplier Compare */
        .supplier-row { display: flex; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--gray-100); }
        .supplier-row:last-child { border-bottom: none; }
        .supplier-row.lowest { background: var(--success-light); }
        .supplier-row .supplier-name { flex: 1; font-weight: 500; }
        .supplier-row .supplier-price { font-weight: 700; font-size: 15px; }
        .supplier-row .lowest-badge { margin-left: 8px; }
        
        /* SPH Preview — letterhead PT. GRAMASURYA (request 6 Agustus 2026, samain persis format
           surat penawaran manual "Penawaran PT TARU MARTANI.docx"). Aspect ratio A4 (210:297)
           dipertahanin pake padding-bottom trick, background full halaman diregangin nutupin
           box ini (background-size 100% 100%, gambarnya emang udah proporsi A4). */
        .sph-preview {
            max-width: 800px; margin: 0 auto; background: #fff; border: 1px solid var(--gray-200);
            box-shadow: var(--shadow-lg); padding: 50px; position: relative;
        }
        .sph-preview.sph-letterhead {
            padding: 0; overflow: hidden;
            background-image: url('/images/sph-letterhead.png');
            background-size: 100% 100%; background-repeat: no-repeat; background-position: top left;
        }
        .sph-preview.sph-letterhead::before {
            content: ''; display: block; padding-top: 141.4%; /* 297/210 * 100 */
        }
        .sph-preview.sph-letterhead .sph-letterhead-content {
            position: absolute; top: 0; left: 0; right: 0; bottom: 0;
            padding: 14% 6.5% 16% 6.5%; box-sizing: border-box; overflow: hidden;
        }
        .sph-preview .sph-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 3px solid var(--primary); }
        .sph-preview .sph-company { font-size: 22px; font-weight: 800; color: var(--primary); }
        .sph-preview .sph-company-info { font-size: 12px; color: var(--gray-500); line-height: 1.6; }
        .sph-preview .sph-title { text-align: center; font-size: 18px; font-weight: 700; margin: 20px 0; color: var(--gray-800); }
        .sph-preview .sph-info { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
        .sph-preview .sph-info-item { font-size: 13px; line-height: 1.8; }
        .sph-preview .sph-info-item .info-label { color: var(--gray-500); }
        .sph-preview .sph-info-item .info-value { font-weight: 600; color: var(--gray-800); }
        
        /* Notification Panel */
        .notif-panel {
            position: fixed; right: -380px; top: 0; bottom: 0; width: 380px;
            background: #fff; z-index: 1001; box-shadow: -4px 0 20px rgba(0,0,0,0.1);
            transition: right 0.3s; display: flex; flex-direction: column;
        }
        .notif-panel.open { right: 0; }
        .notif-panel-header {
            padding: 16px 20px; border-bottom: 1px solid var(--gray-200);
            display: flex; align-items: center; justify-content: space-between;
        }
        .notif-panel-header h3 { font-size: 15px; font-weight: 700; }
        .notif-list { flex: 1; overflow-y: auto; }
        .notif-item {
            padding: 14px 20px; border-bottom: 1px solid var(--gray-100);
            cursor: pointer; transition: background 0.2s;
        }
        .notif-item:hover { background: var(--gray-50); }
        .notif-item.unread { background: var(--primary-light); }
        .notif-item .notif-title { font-size: 13px; font-weight: 600; color: var(--gray-800); }
        .notif-item .notif-msg { font-size: 12px; color: var(--gray-500); margin-top: 4px; }
        .notif-item .notif-time { font-size: 11px; color: var(--gray-400); margin-top: 6px; }
        
        /* Overlay */
        .overlay {
            position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 990;
            display: none; opacity: 0; transition: opacity 0.3s;
        }
        .overlay.show { display: block; opacity: 1; }
        
        /* Modal */
        .modal-backdrop {
            position: fixed; inset: 0; background: rgba(0,0,0,0.5);
            z-index: 1100; display: none; align-items: center; justify-content: center;
        }
        .modal-backdrop.show { display: flex; }
        .modal {
            background: #fff; border-radius: 12px; width: 90%; max-width: 600px;
            max-height: 85vh; box-shadow: 0 25px 50px rgba(0,0,0,0.25);
            display: flex; flex-direction: column;
        }
        .modal > form {
            display: flex; flex-direction: column; min-height: 0; overflow: hidden;
        }
        .modal-header {
            padding: 18px 24px; border-bottom: 1px solid var(--gray-200);
            display: flex; align-items: center; justify-content: space-between;
            flex-shrink: 0;
        }
        .modal-header h3 { font-size: 16px; font-weight: 700; }
        .modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--gray-400); padding: 4px; }
        .modal-body { padding: 24px; overflow-y: auto; flex: 1 1 auto; min-height: 0; }
        .modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 8px; flex-shrink: 0; }
        
        /* Timeline */
        .timeline { padding: 0 20px; }
        .timeline-item { display: flex; gap: 16px; padding-bottom: 20px; position: relative; }
        .timeline-item:not(:last-child)::before {
            content: ''; position: absolute; left: 15px; top: 32px; bottom: 0;
            width: 2px; background: var(--gray-200);
        }
        .timeline-dot {
            width: 32px; height: 32px; border-radius: 50%; display: flex;
            align-items: center; justify-content: center; font-size: 12px;
            flex-shrink: 0; z-index: 1;
        }
        .timeline-dot.blue { background: var(--primary-light); color: var(--primary); }
        .timeline-dot.green { background: var(--success-light); color: var(--success); }
        .timeline-dot.yellow { background: var(--warning-light); color: var(--warning); }
        .timeline-content { flex: 1; }
        .timeline-content .timeline-title { font-size: 13px; font-weight: 600; color: var(--gray-800); }
        .timeline-content .timeline-desc { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
        .timeline-content .timeline-time { font-size: 11px; color: var(--gray-400); margin-top: 4px; }
        
        /* Finish section helpers */
        .section-title { font-size: 14px; font-weight: 700; color: var(--gray-700); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--gray-100); }
        .finishing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
        .finishing-item {
            border: 1.5px solid var(--gray-200); border-radius: 8px; padding: 12px;
            cursor: pointer; transition: all 0.2s; display: flex; align-items: center; gap: 10px;
        }
        .finishing-item:hover { border-color: var(--primary); }
        .finishing-item.selected { border-color: var(--primary); background: var(--primary-light); }
        .finishing-item .fi-icon { font-size: 18px; color: var(--primary); }
        .finishing-item .fi-name { font-size: 12px; font-weight: 600; }
        .finishing-item .fi-price { font-size: 11px; color: var(--gray-500); }
        
        /* Page sections */
        .page { display: none; }
        .page.active { display: block; }
        
        /* Toast */
        .toast-container { position: fixed; top: 20px; right: 20px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
        .toast {
            padding: 14px 20px; border-radius: 8px; color: #fff; font-size: 13px;
            font-weight: 500; box-shadow: var(--shadow-lg); display: flex; align-items: center;
            gap: 10px; min-width: 300px; animation: slideIn 0.3s ease;
        }
        .toast-success { background: var(--success); }
        .toast-error { background: var(--danger); }
        .toast-info { background: var(--primary); }
        @keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
        @keyframes slideOut { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }
        
        /* Animations */
        .fade-in { animation: fadeIn 0.3s ease; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        
        /* Print */
        @media print {
            .sidebar, .header, .no-print { display: none !important; }
            .main-wrap { margin-left: 0 !important; }
            .main-content { padding: 0 !important; }
        }
        
        /* Scrollbar */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .grid-2, .grid-3 { grid-template-columns: 1fr; }
            .stat-grid { grid-template-columns: repeat(2, 1fr); }
            .form-row, .form-row-3 { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .sidebar { transform: translateX(-100%); width: var(--sidebar-w); }
            .sidebar.mobile-open { transform: translateX(0); }
            .main-wrap { margin-left: 0 !important; }
            .header { left: 0 !important; }
            .stat-grid { grid-template-columns: 1fr; }
            .product-grid { grid-template-columns: repeat(2, 1fr); }
            .scenario-cards { grid-template-columns: 1fr; }
            .steps { flex-direction: column; align-items: flex-start; gap: 8px; }
            .step::after { display: none; }
            .sph-preview { padding: 24px; }
            .grid-4 { grid-template-columns: 1fr 1fr; }

            /* Header: sempit banget kalau title + search 260px + actions dipaksa muat di 1 baris.
               Solusi: search pindah ke baris ke-2 (full width), bukan disembunyiin, biar fitur
               cari tetap kepake di HP. */
            .header {
                height: auto; min-height: var(--header-h); padding: 10px 12px;
                flex-wrap: wrap; row-gap: 8px;
            }
            .header-toggle { margin-right: 4px; }
            .header-title { margin-left: 8px; min-width: 0; overflow: hidden; flex: 1; }
            .header-title h1 { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
            .header-title .breadcrumb { display: none; }
            .header-search-slot {
                order: 3; width: 100%; margin-left: 0 !important;
                flex-basis: 100%;
            }
            .header-search-input { width: 100%; }
            .header-search-slot + .header-actions { margin-left: auto; }

            /* Main content: padding 24px kegedean, dan header sekarang 2 baris jadi lebih tinggi */
            .main-content { padding: 16px; padding-top: 128px; }

            /* Card & stat card: rapetin padding biar konten gak sesak */
            .card-header { padding: 14px 16px; }
            .card-body { padding: 16px; }
            .stat-card { padding: 16px; }
            .stat-card .stat-info .stat-value { font-size: 22px; }

            /* Grid yang sebelumnya belum ke-collapse di breakpoint ini */
            .machine-card .machine-specs { grid-template-columns: 1fr; }
            .sph-preview .sph-info { grid-template-columns: 1fr; gap: 10px; }
            .finishing-grid { grid-template-columns: 1fr; }

            /* Notification panel: lebar tetap 380px overflow di layar < 380px */
            .notif-panel { width: 85vw; right: -85vw; }

            /* Modal dialog terlalu mepet ke tepi layar */
            .modal { width: 94%; }
        }

        /* Extra small phones (~360px ke bawah) */
        @media (max-width: 400px) {
            .stat-grid { gap: 10px; }
            .stat-card { flex-direction: column; gap: 10px; }
            .stat-card .stat-icon { order: -1; }
            .product-grid { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr; }
            .card-header { flex-wrap: wrap; gap: 8px; }
        }
        
        .loading-spinner {
            display: inline-block; width: 20px; height: 20px;
            border: 3px solid rgba(255,255,255,0.3); border-radius: 50%;
            border-top-color: #fff; animation: spin 0.8s linear infinite;
        }
        @keyframes spin { to { transform: rotate(360deg); } }
        
        .progress-bar-bg { height: 6px; background: var(--gray-200); border-radius: 3px; overflow: hidden; }
        .progress-bar-fill { height: 100%; border-radius: 3px; transition: width 0.5s ease; }
        
        .empty-state { text-align: center; padding: 60px 20px; color: var(--gray-400); }
        .empty-state i { font-size: 48px; margin-bottom: 16px; }
        .empty-state h4 { font-size: 16px; color: var(--gray-500); margin-bottom: 8px; }

        /* ==================== Confirm Dialog ==================== */
        /* Gantiin native confirm() browser — dipanggil lewat showConfirmDialog() di app.js */
        .confirm-backdrop {
            position: fixed; inset: 0; z-index: 1200;
            background: rgba(15, 23, 42, 0.55);
            backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
            display: none; align-items: center; justify-content: center; padding: 16px;
            opacity: 0; transition: opacity 0.2s ease;
        }
        .confirm-backdrop.show { display: flex; opacity: 1; }
        .confirm-box {
            background: #fff; border-radius: 16px; width: 100%; max-width: 380px;
            padding: 28px 26px 22px; text-align: center;
            box-shadow: 0 25px 50px -12px rgba(0,0,0,0.35);
            transform: scale(0.9) translateY(8px); opacity: 0;
            transition: transform 0.25s cubic-bezier(.34,1.56,.64,1), opacity 0.2s ease;
        }
        .confirm-backdrop.show .confirm-box { transform: scale(1) translateY(0); opacity: 1; }
        .confirm-icon {
            width: 60px; height: 60px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 24px; margin: 0 auto 16px;
            animation: confirmIconPop 0.4s cubic-bezier(.34,1.56,.64,1) 0.05s both;
        }
        @keyframes confirmIconPop { from { transform: scale(0); } to { transform: scale(1); } }
        .confirm-icon.variant-danger { background: var(--danger-light); color: var(--danger); }
        .confirm-icon.variant-warning { background: var(--warning-light); color: var(--warning); }
        .confirm-icon.variant-info { background: var(--info-light); color: var(--info); }
        .confirm-icon.variant-primary { background: var(--primary-light); color: var(--primary); }
        .confirm-icon.variant-success { background: var(--success-light); color: var(--success); }
        .confirm-title { font-size: 17px; font-weight: 700; color: var(--gray-800); margin-bottom: 8px; }
        .confirm-message { font-size: 13.5px; color: var(--gray-500); line-height: 1.55; margin-bottom: 22px; }
        .confirm-actions { display: flex; gap: 10px; justify-content: center; }
        .confirm-actions .btn { flex: 1; justify-content: center; padding: 10px 16px; }
        #confirm-dialog-confirm.variant-warning { background: var(--warning); }
        #confirm-dialog-confirm.variant-info,
        #confirm-dialog-confirm.variant-primary { background: var(--primary); }
        #confirm-dialog-confirm.variant-success { background: var(--success); }

        /* ==================== Multi-select Dropdown (Finishing, Step 2 & 3) ==================== */
        .multiselect { position: relative; }
        .multiselect-toggle {
            display: flex; align-items: center; justify-content: space-between; gap: 8px;
            cursor: pointer; text-align: left; background: #fff;
        }
        .multiselect-toggle .ms-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--gray-800); }
        .multiselect-toggle .ms-text.ms-placeholder { color: var(--gray-400); }
        .multiselect-panel {
            display: none; position: absolute; z-index: 40; top: calc(100% + 4px); left: 0; right: 0;
            max-height: 260px; overflow-y: auto; background: #fff; border: 1.5px solid var(--gray-200);
            border-radius: 8px; box-shadow: 0 8px 24px rgba(15,23,42,0.12); padding: 6px;
        }
        .multiselect-panel.open { display: block; }
        .multiselect-item {
            display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 400;
            padding: 8px 10px; border-radius: 6px; cursor: pointer; color: var(--gray-800);
        }
        .multiselect-item:hover { background: var(--gray-50); }
        .multiselect-item input[type="checkbox"] { width: auto; margin: 0; flex-shrink: 0; }
        .multiselect-empty { padding: 10px; color: var(--gray-400); font-size: 13px; }
        .multiselect-search-wrap { padding: 4px 4px 8px; position: sticky; top: 0; background: #fff; z-index: 1; }
        .multiselect-search { font-size: 13px; padding: 8px 10px; }
        .multiselect-no-result { padding: 10px; color: var(--gray-400); font-size: 13px; }

        /* ==================== Searchable Select (combobox) — dipakai buat "Kertas (Plano)" ==================== */
        .searchselect { position: relative; }
        .searchselect-list {
            display: none; position: absolute; z-index: 40; top: calc(100% + 4px); left: 0; right: 0;
            max-height: 260px; overflow-y: auto; background: #fff; border: 1.5px solid var(--gray-200);
            border-radius: 8px; box-shadow: 0 8px 24px rgba(15,23,42,0.12); padding: 6px;
        }
        .searchselect-list.open { display: block; }
        .searchselect-item {
            font-size: 13px; padding: 8px 10px; border-radius: 6px; cursor: pointer; color: var(--gray-800);
        }
        .searchselect-item:hover, .searchselect-item.active { background: var(--gray-50); }
        .searchselect-empty { padding: 10px; color: var(--gray-400); font-size: 13px; }
        .searchselect-input.is-invalid { border-color: var(--danger); }

        /* ==================== Finishing Cards (Step 3, layout ikutin Master_Finishing.xlsx) ==================== */
        .finishing-card {
            border: 1px solid var(--gray-200); border-radius: 10px; padding: 14px 16px;
            margin-bottom: 12px; background: var(--gray-50);
        }
        .finishing-card-head {
            display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 10px;
        }
        .finishing-card-title { font-size: 13.5px; font-weight: 700; color: var(--gray-800); }
        .finishing-card-sub { font-size: 11.5px; color: var(--gray-400); font-weight: 400; margin-top: 2px; }
        .finishing-card-factors {
            display: flex; flex-wrap: wrap; align-items: flex-end; gap: 6px 10px; margin-bottom: 8px;
        }
        .finishing-factor { min-width: 108px; }
        .finishing-factor label {
            display: block; font-size: 10.5px; font-weight: 600; color: var(--gray-500);
            text-transform: uppercase; letter-spacing: 0.02em; margin-bottom: 4px;
        }
        .finishing-factor input {
            width: 100%; padding: 7px 10px; border: 1.5px solid var(--gray-200); border-radius: 6px;
            font-size: 13px; font-family: inherit; background: #fff; color: var(--gray-800);
        }
        .finishing-factor input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
        .finishing-factor input.is-auto,
        .calc-stat input.is-auto { background: var(--primary-light); border-color: var(--primary-light); }
        .finishing-factor-op { color: var(--gray-400); font-size: 15px; font-weight: 600; padding-bottom: 8px; }
        .finishing-card-total {
            display: flex; justify-content: space-between; align-items: center; gap: 8px;
            border-top: 1px dashed var(--gray-200); padding-top: 8px; margin-top: 2px;
        }
        .finishing-card-total .total-label { font-size: 12px; color: var(--gray-500); }
        .finishing-card-total .total-value { font-size: 14px; font-weight: 700; color: var(--primary); }

        /* ==================== Finishing Picker Grid (card checklist "Tambah Jenis Finishing", Step 3) ==================== */
        .finishing-picker-grid {
            display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px;
        }
        .finishing-picker-card {
            position: relative; display: flex; align-items: flex-start; gap: 8px;
            border: 1.5px solid var(--gray-200); border-radius: 8px; padding: 10px 12px;
            cursor: pointer; background: #fff; transition: border-color 0.15s ease, background 0.15s ease;
        }
        .finishing-picker-card:hover { border-color: var(--primary); background: var(--gray-50); }
        .finishing-picker-card input[type="checkbox"] { width: auto; margin: 2px 0 0; flex-shrink: 0; }
        .finishing-picker-card:has(input:checked) { border-color: var(--primary); background: var(--primary-light); }
        .finishing-picker-card-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
        .finishing-picker-card-nama { font-size: 13px; font-weight: 600; color: var(--gray-800); line-height: 1.3; }
        .finishing-picker-card-harga { font-size: 11px; color: var(--gray-400); }
        .finishing-picker-card.is-added { background: var(--success-light); border-color: var(--success); cursor: default; }
        .finishing-picker-card.is-added:hover { background: var(--success-light); }
        .finishing-picker-card.is-added input[type="checkbox"] { cursor: default; }
        .finishing-picker-card-check { position: absolute; top: 8px; right: 8px; color: var(--success); font-size: 13px; }
        /* ==================== Sort & Filter per-kolom (tombol segitiga header, gaya Excel
           AutoFilter) — Daftar Estimasi, request Sam 12 Agustus 2026. Lihat
           resources/views/estimasi/partials/th-filter.blade.php. ==================== */
        table th .th-col { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
        table th .th-filter { position: relative; }
        table th .th-filter-btn {
            border: none; background: transparent; cursor: pointer; padding: 2px 4px;
            border-radius: 4px; color: var(--gray-400); font-size: 10px; line-height: 1;
        }
        table th .th-filter-btn:hover { background: var(--gray-200); color: var(--gray-700); }
        table th .th-filter-btn.active { color: var(--primary); background: var(--primary-light); }

        .col-filter-panel {
            display: none; position: absolute; top: calc(100% + 6px); left: 0; z-index: 40;
            width: 240px; background: #fff; border: 1px solid var(--gray-200); border-radius: 10px;
            box-shadow: 0 12px 28px rgba(15,23,42,0.14); padding: 10px; text-transform: none;
            letter-spacing: normal; font-weight: 400;
        }
        .col-filter-panel.open { display: block; }

        .col-filter-sort-row { display: flex; flex-direction: column; gap: 2px; margin-bottom: 8px; }
        .col-filter-sort-btn {
            display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 6px;
            font-size: 12.5px; font-weight: 500; color: var(--gray-700); text-decoration: none;
        }
        .col-filter-sort-btn i { width: 12px; color: var(--gray-400); font-size: 11px; }
        .col-filter-sort-btn:hover { background: var(--gray-100); }
        .col-filter-sort-btn.active { background: var(--primary-light); color: var(--primary); }
        .col-filter-sort-btn.active i { color: var(--primary); }

        .col-filter-form { border-top: 1px solid var(--gray-100); padding-top: 8px; }
        .col-filter-search {
            width: 100%; padding: 6px 10px; font-size: 12.5px; border: 1px solid var(--gray-200);
            border-radius: 6px; margin-bottom: 6px;
        }
        .col-filter-search:focus { outline: none; border-color: var(--primary); }

        .col-filter-quick { display: flex; gap: 6px; margin-bottom: 6px; }
        .col-filter-quick button {
            flex: 1; border: 1px solid var(--gray-200); background: var(--gray-50); border-radius: 6px;
            font-size: 11px; padding: 4px 6px; cursor: pointer; color: var(--gray-600);
        }
        .col-filter-quick button:hover { background: var(--gray-100); }

        .col-filter-options {
            max-height: 180px; overflow-y: auto; border: 1px solid var(--gray-100); border-radius: 6px;
            padding: 4px; margin-bottom: 8px;
        }
        .col-filter-option {
            display: flex; align-items: flex-start; gap: 6px; padding: 4px 6px; font-size: 12.5px;
            font-weight: 400; color: var(--gray-700); border-radius: 4px; cursor: pointer;
        }
        .col-filter-option:hover { background: var(--gray-50); }
        .col-filter-option input { width: auto; margin-top: 2px; flex-shrink: 0; }
        .col-filter-option span { word-break: break-word; }
        .col-filter-empty { font-size: 12px; color: var(--gray-400); padding: 6px; text-align: center; }

        .col-filter-actions { display: flex; align-items: center; gap: 8px; }
        .col-filter-actions .btn-secondary { text-decoration: none; }