* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-bg: #eef2ff;
    --dark: #0f172a;
    --dark-light: #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;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --shopee: #ee4d2d;
    --tiktok: #000000;
    --sidebar-width: 280px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: #fff;
    border-right: 1px solid var(--gray-200);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    padding: 24px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px 20px;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 16px;
}

.logo svg {
    flex-shrink: 0;
}

.logo span {
    font-size: 22px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-400);
    padding: 0 24px 8px;
    display: block;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    margin: 3px 16px;
    border-radius: 9px;
    color: var(--gray-600);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.01em;
}

.nav-item:hover {
    background: var(--gray-50);
    color: var(--gray-900);
    transform: translateX(2px);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary-bg) 0%, rgba(238, 242, 255, 0.5) 100%);
    color: var(--primary);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.1);
}

.nav-item.active svg {
    color: var(--primary);
}

.nav-item svg {
    flex-shrink: 0;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px 40px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-profile {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 10px;
    transition: background 0.2s;
}

.user-profile:hover {
    background: var(--gray-50);
}

.user-info {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-email {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.user-role {
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
}

.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    display: none;
    z-index: 1000;
    overflow: hidden;
}

.user-menu.show {
    display: block;
}

.menu-item {
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    text-align: left;
    font-size: 14px;
    color: var(--gray-700);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.2s;
    font-family: inherit;
}

.menu-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.menu-item svg {
    color: var(--gray-400);
}

.menu-item:hover svg {
    color: var(--primary);
}

/* Filters Bar */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    margin-bottom: 24px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
}

.filter-select,
.filter-date {
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    color: var(--gray-900);
    min-width: 160px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.filter-select:focus,
.filter-date:focus {
    outline: none;
    border-color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-dark {
    background: var(--dark);
    color: #fff;
}

.btn-dark:hover {
    background: var(--dark-light);
}

.btn-outline {
    background: #fff;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover {
    background: var(--gray-50);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.stat-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.stat-change {
    font-size: 12px;
    font-weight: 500;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--danger);
}

/* Charts */
.charts-row {
    display: grid;
    gap: 24px;
    margin-bottom: 24px;
}

.charts-row:first-child {
    grid-template-columns: 2fr 1fr;
}

.charts-row:last-child {
    grid-template-columns: 2fr 1fr;
}

.chart-card {
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.chart-card.wide {
    grid-column: span 2;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.chart-legend {
    display: flex;
    gap: 16px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--gray-600);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-dot.revenue {
    background: var(--primary);
}

.legend-dot.orders {
    background: var(--success);
}

.chart-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 20px;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--gray-50);
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    border-bottom: 1px solid var(--gray-200);
}

.data-table td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

.table-card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.table-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.table-actions {
    display: flex;
    gap: 8px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.badge.shopee {
    background: var(--shopee);
    color: #fff;
}

.badge.tiktok {
    background: var(--tiktok);
    color: #fff;
}

.status-badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.completed {
    background: var(--success-light);
    color: var(--success);
}

.status-badge.processing {
    background: var(--info-light);
    color: var(--info);
}

.status-badge.shipped {
    background: var(--warning-light);
    color: var(--warning);
}

.status-badge.pending {
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-badge.cancelled {
    background: var(--danger-light);
    color: var(--danger);
}

/* Icon Button */
.icon-btn {
    padding: 6px 12px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.icon-btn:hover {
    background: var(--primary-dark);
}

/* Responsive */
@media (max-width: 1400px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .charts-row:first-child,
    .charts-row:last-child {
        grid-template-columns: 1fr;
    }
    
    .chart-card.wide {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 100;
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-bar {
        flex-direction: column;
    }
    
    .filter-select,
    .filter-date {
        width: 100%;
    }
}