/* Design System / Variables */
:root {
    /* Color Palette - Dark Theme (Default) */
    --bg-primary: #0b0f19;
    --bg-secondary: #161f30;
    --bg-tertiary: #1f2d44;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Branding Colors */
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.15);
    --primary-hover: #4f46e5;
    --accent: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.15);
    
    /* Status Colors */
    --color-pending: #f59e0b;
    --color-pending-bg: rgba(245, 158, 11, 0.12);
    --color-purchased: #3b82f6;
    --color-purchased-bg: rgba(59, 130, 246, 0.12);
    --color-shipped: #a855f7;
    --color-shipped-bg: rgba(168, 85, 247, 0.12);
    --color-completed: #10b981;
    --color-completed-bg: rgba(16, 185, 129, 0.12);
    --color-cancelled: #ef4444;
    --color-cancelled-bg: rgba(239, 68, 68, 0.12);

    /* UI Tokens */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.35);
    --shadow-primary: 0 4px 14px rgba(99, 102, 241, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glass-bg: rgba(22, 31, 48, 0.7);
    --glass-blur: blur(12px);
}

/* Light Theme Variables */
body.light-theme {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --border-color: rgba(0, 0, 0, 0.06);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary: #4f46e5;
    --primary-glow: rgba(79, 70, 229, 0.08);
    --primary-hover: #3730a3;
    --accent: #0891b2;
    --accent-glow: rgba(8, 145, 178, 0.08);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.12);
    --glass-bg: rgba(255, 255, 255, 0.8);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

/* Typography override for headings */
h1, h2, h3, h4, .stat-value {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-sm);
}

.logo-area h2 {
    font-size: 20px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-area h2 span {
    color: var(--primary);
    font-size: 14px;
    vertical-align: super;
    font-weight: 800;
    margin-left: 2px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.nav-item {
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    text-align: left;
    transition: var(--transition);
    width: 100%;
}

.nav-item i {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.nav-item.active {
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    box-shadow: var(--shadow-primary);
}

.nav-item.active i {
    transform: scale(1.1);
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: auto;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--text-primary);
}

.sun-icon { display: none; }
body.light-theme .sun-icon { display: block; }
body.light-theme .moon-icon { display: none; }

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #a855f7, #6366f1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 40px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 32px;
    transition: var(--transition);
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

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

.date-badge {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.date-badge i {
    width: 16px;
    height: 16px;
}

/* Buttons */
.btn {
    border: none;
    outline: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
}

.btn-text {
    background: none;
    padding: 4px 8px;
    color: var(--primary);
}

.btn-text:hover {
    color: var(--accent);
}

.w-full {
    width: 100%;
}

/* Views Management */
.content-view {
    display: none;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.content-view.active {
    display: flex;
    flex-direction: column;
    gap: 32px;
    opacity: 1;
    transform: translateY(0);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: transparent;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.2);
}

.stat-card:hover::after {
    background: var(--primary);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    width: 24px;
    height: 24px;
}

.rev-icon {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--accent);
}

.profit-icon {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-completed);
}

.cost-icon {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-pending);
}

.active-icon {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.stat-info h3 {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 4px 0;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

/* Charts Layout */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.chart-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 14px;
}

.card-header h3 {
    font-size: 16px;
    color: var(--text-primary);
}

.card-header i {
    color: var(--text-muted);
}

.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
}

/* Bottom Dashboard Lists */
.bottom-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
}

.dashboard-list-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.alert-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.alert-name {
    font-weight: 500;
    color: var(--text-primary);
}

.alert-stock {
    background-color: var(--color-cancelled);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

/* Tables Configuration */
.table-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th, 
.data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: rgba(0, 0, 0, 0.05);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

.data-table td {
    font-size: 14px;
    color: var(--text-secondary);
}

.data-table td strong {
    color: var(--text-primary);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.filter-options {
    display: flex;
    align-items: center;
}

.filter-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    user-select: none;
}

.filter-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.mobile-expand-chevron {
    display: none;
}

.search-input {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-input i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 18px;
    height: 18px;
}

.search-input input {
    width: 100%;
    padding: 12px 16px 12px 42px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.search-input input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.filter-actions {
    display: flex;
    gap: 12px;
}

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

.badge-pending {
    background-color: var(--color-pending-bg);
    color: var(--color-pending);
}

.badge-purchased {
    background-color: var(--color-purchased-bg);
    color: var(--color-purchased);
}

.badge-shipped {
    background-color: var(--color-shipped-bg);
    color: var(--color-shipped);
}

.badge-completed {
    background-color: var(--color-completed-bg);
    color: var(--color-completed);
}

.badge-cancelled {
    background-color: var(--color-cancelled-bg);
    color: var(--color-cancelled);
}

/* Form Controls */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-row {
    display: flex;
    gap: 16px;
}

.col-6 { flex: 0 0 calc(50% - 8px); }
.col-4 { flex: 0 0 calc(33.333% - 10.66px); }

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    transition: var(--transition);
}

.modal.open .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-close-btn:hover {
    color: var(--text-primary);
}

.modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.profit-preview {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.profit-preview span {
    font-weight: 700;
    font-size: 16px;
}

.modal-buttons {
    display: flex;
    gap: 12px;
}

/* Action Buttons in Table */
.action-btn-group {
    display: flex;
    gap: 8px;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: var(--transition);
}

.icon-btn:hover {
    background-color: var(--bg-tertiary);
}

.icon-btn.edit-btn:hover {
    color: var(--primary);
}

.icon-btn.delete-btn:hover {
    color: var(--color-cancelled);
}

/* Exchange Rate view layout */
.rates-layout {
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 24px;
}

.rates-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.rate-display-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.rate-display-card .currency-code {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.rate-display-card .rate-val {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.rate-display-card .rate-date {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 8px;
}

.rates-info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.rates-info-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.alert-box-info {
    background-color: var(--primary-glow);
    border-left: 4px solid var(--primary);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 13px !important;
}

.rate-form {
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

/* Toast Notification */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateX(100px);
    transition: opacity 0.3s, transform 0.3s;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success { border-left-color: var(--color-completed); }
.toast-error { border-left-color: var(--color-cancelled); }

/* Theme Toggle Button in Header (Mobile only) */
.theme-toggle-header-btn {
    display: none;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.theme-toggle-header-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

body.light-theme .theme-toggle-header-btn .sun-icon { display: block; }
body.light-theme .theme-toggle-header-btn .moon-icon { display: none; }
body:not(.light-theme) .theme-toggle-header-btn .sun-icon { display: none; }
body:not(.light-theme) .theme-toggle-header-btn .moon-icon { display: block; }

/* Responsive adjustments */
@media(max-width: 1024px) {
    .charts-grid, 
    .bottom-grid, 
    .rates-layout {
        grid-template-columns: 1fr;
    }
}

@media(max-width: 768px) {
    /* Show theme toggle in header on mobile */
    .theme-toggle-header-btn {
        display: flex;
    }

    /* Convert sidebar to bottom navigation bar */
    .sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        width: 100%;
        height: 64px;
        flex-direction: row;
        border-right: none;
        border-top: 1px solid var(--border-color);
        padding: 0 12px;
        justify-content: space-around;
        gap: 0;
        align-items: center;
        z-index: 1000;
        background-color: var(--bg-secondary);
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    }
    
    .logo-area, .sidebar-footer {
        display: none !important;
    }
    
    .nav-menu {
        flex-direction: row;
        justify-content: space-around;
        width: 100%;
        gap: 4px;
        margin: 0;
    }
    
    .nav-item {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        padding: 6px 0;
        font-size: 10px;
        text-align: center;
        border-radius: var(--radius-sm);
        background: none;
        box-shadow: none;
        flex: 1;
        color: var(--text-secondary);
    }
    
    .nav-item i {
        width: 18px;
        height: 18px;
        margin: 0;
    }

    .nav-item.active {
        color: white;
        background: linear-gradient(135deg, var(--primary), var(--primary-hover));
        box-shadow: var(--shadow-primary);
        font-weight: 600;
    }
    
    /* Main Content Adjustments */
    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-bottom: 84px; /* Ensure content isn't covered by bottom nav */
    }
    
    .main-header {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        margin-bottom: 8px;
    }

    .header-left {
        text-align: left;
    }

    #page-title {
        font-size: 24px;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;
        gap: 8px;
    }

    .header-actions .date-badge {
        flex-grow: 1;
        justify-content: center;
    }

    .header-actions .btn {
        flex-grow: 2;
    }
    
    /* Stats Grid: 2 columns */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-card {
        padding: 16px;
        gap: 12px;
        border-radius: var(--radius-md);
    }
    
    .stat-icon {
        width: 38px;
        height: 38px;
        border-radius: var(--radius-sm);
    }

    .stat-icon i {
        width: 18px;
        height: 18px;
    }
    
    .stat-value {
        font-size: 18px;
    }

    .stat-label {
        font-size: 11px;
    }

    /* Adjust Toast Container */
    .toast-container {
        bottom: 80px;
        right: 16px;
        left: 16px;
    }

    /* Convert Tables to Cards */
    .table-card {
        background: none;
        border: none;
        box-shadow: none;
        padding: 0;
        overflow-x: visible;
    }

    .data-table, .data-table thead, .data-table tbody, .data-table th, .data-table td, .data-table tr {
        display: block;
    }

    .data-table thead {
        display: none;
    }

    .data-table tr {
        background-color: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 16px;
        margin-bottom: 16px;
        box-shadow: var(--shadow-sm);
    }

    .data-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        font-size: 13px;
        text-align: right;
    }

    body.light-theme .data-table td {
        border-bottom-color: rgba(0, 0, 0, 0.04);
    }

    .data-table td:last-child {
        border-bottom: none;
        padding-top: 12px;
        justify-content: flex-end;
        gap: 12px;
    }

    .data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        float: left;
        text-align: left;
        padding-right: 16px;
    }

    .product-cell-with-img {
        justify-content: flex-end;
        width: auto;
    }

    /* Mobile-only collapsed rows in product-table */
    #products-list-table tr {
        display: grid !important;
        grid-template-columns: 1fr auto !important;
        gap: 8px !important;
        padding: 14px !important;
        cursor: pointer;
        position: relative;
        background-color: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        box-shadow: var(--shadow-sm);
        transition: background-color 0.2s;
        align-items: center !important;
    }
    
    #products-list-table tr:hover {
        background-color: var(--bg-tertiary);
    }
    
    #products-list-table tr td {
        display: none;
        grid-column: 1 / span 2;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        padding: 10px 0;
        font-size: 13px;
        justify-content: space-between;
        align-items: center;
        text-align: right;
    }

    body.light-theme #products-list-table tr td {
        border-bottom-color: rgba(0, 0, 0, 0.04);
    }
    
    /* Keep only product name and stock visible by default */
    #products-list-table tr td[data-label="商品名称"] {
        display: flex !important;
        grid-column: 1 !important;
        border-bottom: none !important;
        padding: 0 !important;
        justify-content: flex-start !important;
        align-items: center !important;
        text-align: left !important;
    }

    #products-list-table tr td[data-label="商品名称"]::before {
        display: none !important;
    }
    
    #products-list-table tr td[data-label="库存"] {
        display: flex !important;
        grid-column: 2 !important;
        border-bottom: none !important;
        padding: 0 !important;
        flex-direction: column !important;
        align-items: flex-end !important;
        justify-content: center !important;
        text-align: right !important;
        min-width: 60px !important;
    }

    #products-list-table tr td[data-label="库存"]::before {
        content: "在库" !important;
        font-size: 10px !important;
        color: var(--text-muted) !important;
        margin-bottom: 2px !important;
        font-weight: normal !important;
        float: none !important;
        padding-right: 0 !important;
    }
    
    /* When tr is expanded, show all td */
    #products-list-table tr.expanded td {
        display: flex;
    }

    #products-list-table tr.expanded td[data-label="ID"] {
        border-top: 1px solid var(--border-color) !important;
        padding-top: 12px !important;
        margin-top: 4px !important;
    }

    /* Chevron icon */
    .mobile-expand-chevron {
        display: block;
        margin-left: 8px;
        color: var(--text-muted);
        transition: transform 0.3s;
        flex-shrink: 0;
    }

    #products-list-table tr.expanded .mobile-expand-chevron {
        transform: rotate(180deg);
    }

    /* Customize thumbnail size on mobile */
    #products-list-table .product-thumb {
        width: 80px !important;
        height: 80px !important;
        border-radius: var(--radius-md) !important;
        border: 1px solid var(--border-color) !important;
        background-color: var(--bg-secondary) !important;
        overflow: hidden !important;
        flex-shrink: 0 !important;
        margin-right: 12px !important;
    }

    #products-list-table .product-thumb img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
    }

    #products-list-table .product-cell-with-img {
        display: flex !important;
        align-items: center !important;
        width: 100% !important;
        justify-content: flex-start !important;
    }

    #products-list-table .product-cell-with-img strong {
        font-size: 15px !important;
        line-height: 1.4 !important;
        color: var(--text-primary) !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 2 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
    }

    #products-list-table tr.expanded td:last-child {
        border-bottom: none !important;
        padding-top: 12px !important;
        justify-content: flex-end !important;
        gap: 12px !important;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .search-input {
        max-width: none;
    }
    .filter-options {
        justify-content: flex-start;
        padding: 4px 0;
    }
    
    /* Layout forms stacked */
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .col-4, .col-6 {
        flex: 0 0 100%;
    }
    
    /* Modal responsive updates */
    .modal {
        z-index: 1500;
        align-items: flex-start;
        padding: 20px 0;
        overflow-y: auto;
    }
    
    .modal-content {
        padding: 20px 16px;
        border-radius: var(--radius-md);
        width: 95%;
        margin: 0 auto;
        max-height: calc(100vh - 40px);
        overflow-y: auto;
        box-sizing: border-box;
    }
    
    .modal-header h3 {
        font-size: 18px;
    }
    
    .modal-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    .modal-buttons {
        justify-content: space-between;
    }
    
    .modal-buttons button {
        flex: 1;
    }
    
    .image-upload-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
    
    .image-preview-box {
        align-self: center;
    }
}

/* Product Image Upload Styling */
.image-upload-wrapper {
    display: flex;
    gap: 16px;
    align-items: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 6px;
}

.image-preview-box {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    border: 2px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-secondary);
    flex-shrink: 0;
}

.image-preview-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-box .preview-placeholder {
    font-size: 24px;
    color: var(--text-muted);
}

.image-preview-box .remove-image-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background-color: rgba(239, 68, 68, 0.85);
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 10px;
    transition: var(--transition);
}

.image-preview-box .remove-image-btn:hover {
    background-color: rgb(239, 68, 68);
    transform: scale(1.1);
}

.upload-control-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.upload-btn-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.upload-status {
    font-size: 12px;
    color: var(--text-muted);
}

.url-input-row input {
    margin-top: 4px;
}

/* Product list image thumbnails */
.product-cell-with-img {
    display: flex;
    align-items: center;
    gap: 12px;
}

.product-thumb {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-thumb.no-img {
    color: var(--text-muted);
    cursor: default;
}

.product-thumb:hover img {
    transform: scale(1.15);
}

.product-thumb.no-img i {
    width: 16px;
    height: 16px;
}

/* Custom size for preview modal */
.preview-modal-content {
    max-width: 500px;
}