/* ============================================
   ZENTER Dashboard - Universal Styles
   ============================================ */

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

:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #3730A3;
    --primary-bg: #EEF2FF;
    --success: #059669;
    --success-bg: #ECFDF5;
    --warning: #D97706;
    --warning-bg: #FFFBEB;
    --danger: #DC2626;
    --danger-bg: #FEF2F2;
    --info: #0284C7;
    --info-bg: #F0F9FF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --sidebar-width: 260px;
    --header-height: 70px;
    --radius: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 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);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--gray-900);
    color: white;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    font-size: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.shop-info {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.shop-name {
    font-weight: 600;
    font-size: 14px;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.shop-type {
    font-size: 12px;
    color: var(--gray-400);
    text-transform: capitalize;
    margin-top: 2px;
}

.shop-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(5, 150, 105, 0.2);
    color: #34D399;
}

.shop-status .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #34D399;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

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

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    margin-bottom: 2px;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: white;
}

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

.nav-item svg, .nav-item .nav-emoji {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
}

.user-profile:hover {
    background: rgba(255,255,255,0.08);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: white;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: white;
}

.user-email {
    font-size: 11px;
    color: var(--gray-500);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.top-header {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    border-radius: 8px;
    color: var(--gray-600);
}

.menu-toggle:hover {
    background: var(--gray-100);
}

.page-title h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.page-title p {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--gray-200);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all 0.15s;
    color: var(--gray-600);
}

.header-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid white;
}

.logout-btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    background: white;
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
}

.logout-btn:hover {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}

/* ===== DASHBOARD CONTENT ===== */
.dashboard-content {
    padding: 32px;
    max-width: 1400px;
}

/* Welcome Banner */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    padding: 28px 32px;
    color: white;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}

.welcome-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
}

.welcome-banner h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
    position: relative;
}

.welcome-banner p {
    font-size: 14px;
    opacity: 0.85;
    position: relative;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.revenue { background: var(--primary-bg); }
.stat-icon.orders { background: var(--success-bg); }
.stat-icon.products { background: var(--warning-bg); }
.stat-icon.customers { background: var(--info-bg); }

.stat-trend {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
}

.stat-trend.up { color: var(--success); background: var(--success-bg); }
.stat-trend.down { color: var(--danger); background: var(--danger-bg); }

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 4px;
}

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

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.card-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
}

.card-header-btn {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 6px;
    transition: background 0.15s;
}

.card-header-btn:hover {
    background: var(--primary-bg);
}

.card-body {
    padding: 20px 24px;
}

/* Orders Table */
.orders-table {
    width: 100%;
    border-collapse: collapse;
}

.orders-table th {
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
}

.orders-table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-50);
    vertical-align: middle;
}

.orders-table tr:last-child td {
    border-bottom: none;
}

.orders-table tr:hover td {
    background: var(--gray-50);
}

.order-id {
    font-weight: 600;
    color: var(--primary);
    font-size: 13px;
}

.order-customer {
    font-weight: 500;
    color: var(--gray-800);
}

.order-amount {
    font-weight: 700;
    color: var(--gray-900);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.pending { background: var(--warning-bg); color: var(--warning); }
.status-badge.processing { background: var(--info-bg); color: var(--info); }
.status-badge.completed { background: var(--success-bg); color: var(--success); }
.status-badge.cancelled { background: var(--danger-bg); color: var(--danger); }

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Products List */
.product-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
}

.product-item:last-child {
    border-bottom: none;
}

.product-emoji {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.product-info {
    flex: 1;
    min-width: 0;
}

.product-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-category {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 2px;
}

.product-price {
    font-weight: 700;
    font-size: 14px;
    color: var(--gray-900);
    text-align: right;
}

.product-stock {
    font-size: 11px;
    color: var(--gray-500);
    text-align: right;
    margin-top: 2px;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 20px 24px;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    border-radius: 10px;
    border: 1px solid var(--gray-200);
    background: white;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
}

.quick-action:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
    color: var(--primary);
}

.quick-action .action-icon {
    font-size: 24px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-500);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 14px;
}

/* ===== PAGE SECTIONS (Products, Orders, Settings) ===== */
.page-section {
    display: none;
}

.page-section.active {
    display: block;
}

/* ===== ADD PRODUCT MODAL ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: var(--gray-100);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--gray-600);
    transition: all 0.15s;
}

.modal-close:hover {
    background: var(--gray-200);
}

.modal-body {
    padding: 24px;
}

.modal-body .form-group {
    margin-bottom: 16px;
}

.modal-body label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.modal-body input,
.modal-body select,
.modal-body textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.15s;
    background: white;
    color: var(--gray-800);
}

.modal-body input:focus,
.modal-body select:focus,
.modal-body textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.modal-body textarea {
    resize: vertical;
    min-height: 80px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    border: none;
    font-family: inherit;
}

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

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

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .top-header {
        padding: 0 16px;
    }

    .dashboard-content {
        padding: 20px 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 22px;
    }

    .welcome-banner {
        padding: 20px;
    }

    .welcome-banner h1 {
        font-size: 20px;
    }

    .quick-actions {
        padding: 16px;
    }

    .orders-table {
        font-size: 13px;
    }

    .orders-table th,
    .orders-table td {
        padding: 10px 8px;
    }

    .logout-btn span {
        display: none;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}