/* ==========================================================================
   FarmStack Design System
   Based on UI Specification
   ========================================================================== */

/* CSS Variables (Design Tokens) */
:root {
    /* Colors */
    --color-primary: #2E7D32;
    --color-primary-light: #4CAF50;
    --color-primary-dark: #1B5E20;
    --color-secondary: #1565C0;
    --color-secondary-light: #1976D2;
    --color-danger: #D32F2F;
    --color-warning: #F57C00;
    --color-success: #388E3C;
    --color-background: #F5F5F5;
    --color-card: #FFFFFF;
    --color-text: #212121;
    --color-text-secondary: #757575;
    --color-border: #E0E0E0;

    /* Layout */
    --sidebar-width: 220px;
    --sidebar-collapsed-width: 64px;
    --header-height: 64px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 2px 6px rgba(0,0,0,0.15);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* ==========================================================================
   Dark Theme - Complete Styling
   ========================================================================== */

:root[data-theme="dark"] {
    /* Color overrides for dark theme */
    --color-primary: #4CAF50;
    --color-primary-light: #66BB6A;
    --color-primary-dark: #388E3C;
    --color-secondary: #42A5F5;
    --color-secondary-light: #64B5F6;
    --color-danger: #EF5350;
    --color-warning: #FFB74D;
    --color-success: #66BB6A;
    --color-background: #0d1117;
    --color-card: #161b22;
    --color-surface: #21262d;
    --color-text: #e6edf3;
    --color-text-secondary: #8b949e;
    --color-border: #30363d;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 2px 6px rgba(0,0,0,0.5);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.5);
}

/* Body & Base - Multiple selectors for maximum compatibility */
:root[data-theme="dark"] body,
body[data-theme="dark"],
body.dark-theme {
    background-color: #0d1117 !important;
    color: #e6edf3 !important;
}

/* Links */
:root[data-theme="dark"] a {
    color: var(--color-primary-light);
}

:root[data-theme="dark"] a:hover {
    color: var(--color-primary);
}

/* Sidebar */
:root[data-theme="dark"] .sidebar,
body.dark-theme .sidebar {
    background: #161b22 !important;
    border-right-color: #30363d !important;
}

:root[data-theme="dark"] .sidebar-header,
body.dark-theme .sidebar-header {
    border-bottom-color: #30363d !important;
}

:root[data-theme="dark"] .nav-item,
body.dark-theme .nav-item {
    color: #8b949e !important;
}

:root[data-theme="dark"] .nav-item:hover,
body.dark-theme .nav-item:hover {
    background: #21262d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .nav-item.active,
body.dark-theme .nav-item.active {
    background: #4CAF50 !important;
    color: white !important;
}

:root[data-theme="dark"] .nav-section-title,
body.dark-theme .nav-section-title {
    color: #8b949e !important;
}

:root[data-theme="dark"] .nav-section-title:hover,
body.dark-theme .nav-section-title:hover {
    color: #e6edf3 !important;
}

/* Header */
:root[data-theme="dark"] .header,
body.dark-theme .header {
    background: #161b22 !important;
    border-bottom-color: #30363d !important;
}

:root[data-theme="dark"] .header-search input,
body.dark-theme .header-search input {
    background: #21262d !important;
    color: #e6edf3 !important;
    border-color: #30363d !important;
}

:root[data-theme="dark"] .header-search input::placeholder,
body.dark-theme .header-search input::placeholder {
    color: #8b949e !important;
}

:root[data-theme="dark"] .header-icon,
body.dark-theme .header-icon {
    color: #8b949e !important;
}

:root[data-theme="dark"] .header-icon:hover,
:root[data-theme="dark"] .header-profile:hover,
body.dark-theme .header-icon:hover,
body.dark-theme .header-profile:hover {
    background-color: #21262d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .sidebar-toggle,
body.dark-theme .sidebar-toggle {
    color: #8b949e !important;
    background-color: transparent !important;
}

:root[data-theme="dark"] .sidebar-toggle:hover,
body.dark-theme .sidebar-toggle:hover {
    background-color: #21262d !important;
    color: #e6edf3 !important;
}

/* Cards - All card-like elements */
:root[data-theme="dark"] .card,
:root[data-theme="dark"] .stat-card,
:root[data-theme="dark"] .query-input-card,
:root[data-theme="dark"] .query-response,
:root[data-theme="dark"] .sensor-card,
body.dark-theme .card,
body.dark-theme .stat-card,
body.dark-theme .query-input-card,
body.dark-theme .query-response,
body.dark-theme .sensor-card {
    background-color: #161b22 !important;
    border: 1px solid #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .card-header,
:root[data-theme="dark"] .sensor-card-header,
body.dark-theme .card-header,
body.dark-theme .sensor-card-header {
    border-bottom-color: #30363d !important;
}

:root[data-theme="dark"] .card-body,
body.dark-theme .card-body {
    color: #e6edf3 !important;
}

/* Forms */
:root[data-theme="dark"] .form-input,
:root[data-theme="dark"] .form-select,
:root[data-theme="dark"] .form-textarea,
:root[data-theme="dark"] select,
:root[data-theme="dark"] input[type="number"],
:root[data-theme="dark"] input[type="text"],
:root[data-theme="dark"] input[type="email"],
:root[data-theme="dark"] input[type="time"],
body.dark-theme .form-input,
body.dark-theme .form-select,
body.dark-theme .form-textarea,
body.dark-theme select,
body.dark-theme input[type="number"],
body.dark-theme input[type="text"],
body.dark-theme input[type="email"],
body.dark-theme input[type="time"] {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] select option,
body.dark-theme select option {
    background-color: #21262d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .form-input::placeholder,
:root[data-theme="dark"] .form-textarea::placeholder {
    color: var(--color-text-secondary);
}

:root[data-theme="dark"] .form-input:focus,
:root[data-theme="dark"] .form-select:focus,
:root[data-theme="dark"] .form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

:root[data-theme="dark"] .form-label {
    color: var(--color-text);
}

/* Buttons - Dark Mode */
:root[data-theme="dark"] .btn,
body.dark-theme .btn {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .btn-secondary,
body.dark-theme .btn-secondary {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .btn-secondary:hover,
body.dark-theme .btn-secondary:hover {
    background-color: #30363d !important;
    border-color: #8b949e !important;
}

:root[data-theme="dark"] .btn-primary,
body.dark-theme .btn-primary {
    background-color: #4CAF50 !important;
    color: white !important;
}

:root[data-theme="dark"] .btn-primary:hover,
body.dark-theme .btn-primary:hover {
    background-color: #388E3C !important;
}

:root[data-theme="dark"] .btn-icon,
body.dark-theme .btn-icon {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .btn-icon:hover,
body.dark-theme .btn-icon:hover {
    background-color: #30363d !important;
}

/* Tables */
:root[data-theme="dark"] .data-table th {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border-bottom-color: var(--color-border);
}

:root[data-theme="dark"] .data-table td {
    border-bottom-color: var(--color-border);
}

:root[data-theme="dark"] .data-table tr:hover td {
    background: var(--color-surface);
}

/* Status Badges */
:root[data-theme="dark"] .status-badge.in-progress {
    background: rgba(66, 165, 245, 0.2);
    color: #64B5F6;
}

:root[data-theme="dark"] .status-badge.completed,
:root[data-theme="dark"] .status-badge.normal {
    background: rgba(102, 187, 106, 0.2);
    color: #81C784;
}

:root[data-theme="dark"] .status-badge.follow-up,
:root[data-theme="dark"] .status-badge.warning {
    background: rgba(255, 183, 77, 0.2);
    color: #FFB74D;
}

:root[data-theme="dark"] .status-badge.danger {
    background: rgba(239, 83, 80, 0.2);
    color: #EF5350;
}

/* Stat Cards Icons */
:root[data-theme="dark"] .stat-icon.primary {
    background: rgba(76, 175, 80, 0.15);
}

:root[data-theme="dark"] .stat-icon.secondary {
    background: rgba(66, 165, 245, 0.15);
}

:root[data-theme="dark"] .stat-icon.warning {
    background: rgba(255, 183, 77, 0.15);
}

:root[data-theme="dark"] .stat-icon.danger {
    background: rgba(239, 83, 80, 0.15);
}

/* Query/AI Chat */
:root[data-theme="dark"] .query-input-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
}

:root[data-theme="dark"] .query-textarea {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

:root[data-theme="dark"] .query-textarea:focus {
    border-color: var(--color-primary);
}

:root[data-theme="dark"] .query-btn {
    background: var(--color-surface);
    color: var(--color-text-secondary);
}

:root[data-theme="dark"] .query-btn:hover {
    background: var(--color-border);
    color: var(--color-text);
}

:root[data-theme="dark"] .query-response {
    background: var(--color-card);
    border: 1px solid var(--color-border);
}

:root[data-theme="dark"] .response-header {
    border-bottom-color: var(--color-border);
}

:root[data-theme="dark"] .response-content code {
    background: var(--color-surface);
    color: var(--color-text);
}

:root[data-theme="dark"] .sources-section {
    background: var(--color-surface);
    border-top-color: var(--color-border);
}

/* Sensor Cards */
:root[data-theme="dark"] .sensor-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
}

:root[data-theme="dark"] .sensor-card-header {
    border-bottom-color: var(--color-border);
}

/* Context Selector */
:root[data-theme="dark"] .context-selector {
    border-top-color: var(--color-border);
}

:root[data-theme="dark"] .context-item select {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

/* Toast Notifications */
.notification {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-width: 280px;
    max-width: 420px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: notif-slide-in 0.3s ease-out;
    margin-bottom: 8px;
    background: #fff;
    border-left: 4px solid var(--color-border);
    color: var(--color-text);
}

.notification button {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    padding: 0 2px;
    line-height: 1;
    flex-shrink: 0;
}

.notification button:hover {
    opacity: 1;
}

.notification-success {
    background: #f0fdf4;
    border-left-color: #22c55e;
    color: #166534;
}

.notification-error {
    background: #fef2f2;
    border-left-color: #ef4444;
    color: #991b1b;
}

.notification-warning {
    background: #fffbeb;
    border-left-color: #f59e0b;
    color: #92400e;
}

.notification-info {
    background: #eff6ff;
    border-left-color: #3b82f6;
    color: #1e40af;
}

@keyframes notif-slide-in {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

:root[data-theme="dark"] .notification {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

:root[data-theme="dark"] .notification-success {
    background: #052e16;
    border-left-color: #22c55e;
    color: #86efac;
}

:root[data-theme="dark"] .notification-error {
    background: #450a0a;
    border-left-color: #ef4444;
    color: #fca5a5;
}

:root[data-theme="dark"] .notification-warning {
    background: #451a03;
    border-left-color: #f59e0b;
    color: #fde68a;
}

:root[data-theme="dark"] .notification-info {
    background: #172554;
    border-left-color: #3b82f6;
    color: #93c5fd;
}

/* Miscellaneous */
:root[data-theme="dark"] hr {
    border-color: var(--color-border);
}

:root[data-theme="dark"] .text-muted {
    color: var(--color-text-secondary) !important;
}

:root[data-theme="dark"] .empty-state {
    color: var(--color-text-secondary);
}

:root[data-theme="dark"] .loading-spinner {
    border-color: var(--color-border);
    border-top-color: var(--color-primary);
}

/* Page Header */
:root[data-theme="dark"] .page-title,
body.dark-theme .page-title {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .page-subtitle,
body.dark-theme .page-subtitle {
    color: #8b949e !important;
}

/* Main content area */
:root[data-theme="dark"] .page-content,
body.dark-theme .page-content,
:root[data-theme="dark"] .main-content,
body.dark-theme .main-content {
    background: #0d1117 !important;
}

/* Dropdown menus */
:root[data-theme="dark"] .dropdown-menu {
    background: var(--color-card);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .dropdown-item:hover {
    background: var(--color-surface);
}

/* Modal/Dialog */
:root[data-theme="dark"] .modal-content {
    background: var(--color-card);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .modal-header,
:root[data-theme="dark"] .modal-footer {
    border-color: var(--color-border);
}

/* Tabs */
:root[data-theme="dark"] .tab-btn {
    color: var(--color-text-secondary);
}

:root[data-theme="dark"] .tab-btn:hover,
:root[data-theme="dark"] .tab-btn.active {
    color: var(--color-primary);
}

:root[data-theme="dark"] .settings-tabs {
    border-bottom-color: var(--color-border);
}

/* Scrollbar for dark theme */
:root[data-theme="dark"] ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

:root[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--color-background);
}

:root[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 5px;
}

:root[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* Settings Page Components (Dark) */
:root[data-theme="dark"] .provider-box,
:root[data-theme="dark"] .mode-box {
    border-color: var(--color-border);
    background-color: var(--color-surface);
}

:root[data-theme="dark"] .provider-option input:checked + .provider-box,
:root[data-theme="dark"] .search-mode-option input:checked + .mode-box {
    border-color: var(--color-primary);
    background: rgba(76, 175, 80, 0.1);
}

:root[data-theme="dark"] .theme-preview {
    border-color: var(--color-border);
    background-color: var(--color-surface);
}

:root[data-theme="dark"] .theme-preview.light {
    background-color: #f5f5f5;
    color: #333;
}

:root[data-theme="dark"] .theme-preview.dark {
    background-color: #1e1e1e;
    color: #e0e0e0;
}

:root[data-theme="dark"] .weight-item,
:root[data-theme="dark"] .backup-item,
:root[data-theme="dark"] .index-stat,
body.dark-theme .weight-item,
body.dark-theme .backup-item,
body.dark-theme .index-stat {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .weight-label,
body.dark-theme .weight-label {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .index-count,
body.dark-theme .index-count {
    color: #4CAF50 !important;
}

:root[data-theme="dark"] .index-label,
body.dark-theme .index-label {
    color: #8b949e !important;
}

:root[data-theme="dark"] .api-key-preview code {
    background-color: var(--color-surface);
}

:root[data-theme="dark"] .loading-overlay {
    background: rgba(13, 17, 23, 0.95);
}

:root[data-theme="dark"] .hybrid-ratio span {
    color: var(--color-text-secondary);
}

/* Query Page - Dark Mode */
:root[data-theme="dark"] .mode-btn,
body.dark-theme .mode-btn {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .mode-btn small,
body.dark-theme .mode-btn small {
    color: #8b949e !important;
}

:root[data-theme="dark"] .mode-option input:checked + .mode-btn,
body.dark-theme .mode-option input:checked + .mode-btn {
    border-color: #4CAF50 !important;
    background-color: rgba(76, 175, 80, 0.15) !important;
    color: #4CAF50 !important;
}

:root[data-theme="dark"] .query-btn,
body.dark-theme .query-btn {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .query-btn:hover,
body.dark-theme .query-btn:hover {
    background-color: #30363d !important;
    border-color: #8b949e !important;
}

:root[data-theme="dark"] .quick-query-btn,
body.dark-theme .quick-query-btn {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .quick-query-btn:hover,
body.dark-theme .quick-query-btn:hover {
    background-color: #30363d !important;
    border-color: #4CAF50 !important;
}

:root[data-theme="dark"] .filter-btn,
body.dark-theme .filter-btn {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .filter-btn:hover,
body.dark-theme .filter-btn:hover {
    background-color: #30363d !important;
}

:root[data-theme="dark"] .filter-btn.active,
body.dark-theme .filter-btn.active {
    background-color: #4CAF50 !important;
    border-color: #4CAF50 !important;
    color: white !important;
}

:root[data-theme="dark"] .icon-btn,
body.dark-theme .icon-btn {
    color: #8b949e !important;
}

:root[data-theme="dark"] .icon-btn:hover,
body.dark-theme .icon-btn:hover {
    background-color: #21262d !important;
    color: #4CAF50 !important;
}

:root[data-theme="dark"] .source-item,
body.dark-theme .source-item {
    background-color: #21262d !important;
}

:root[data-theme="dark"] .search-analytics,
body.dark-theme .search-analytics {
    background-color: #21262d !important;
}

:root[data-theme="dark"] .env-item,
body.dark-theme .env-item {
    background-color: #21262d !important;
}

:root[data-theme="dark"] .attached-audio-item,
body.dark-theme .attached-audio-item {
    background-color: #21262d !important;
    border-color: #30363d !important;
}

:root[data-theme="dark"] .data-table tr,
body.dark-theme .data-table tr {
    background-color: transparent !important;
}

:root[data-theme="dark"] .data-table tr:hover td,
body.dark-theme .data-table tr:hover td {
    background-color: #21262d !important;
}

:root[data-theme="dark"] .data-table a,
body.dark-theme .data-table a {
    color: #4CAF50 !important;
}

/* Additional Dark Mode - Cards and Card-like Containers */
:root[data-theme="dark"] [class*="card"],
body.dark-theme [class*="card"] {
    background-color: #161b22 !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .card-title,
:root[data-theme="dark"] .card-header h3,
body.dark-theme .card-title,
body.dark-theme .card-header h3 {
    color: #e6edf3 !important;
}

/* Dark mode for all elements using --color-background */
:root[data-theme="dark"] .source-item,
:root[data-theme="dark"] .quick-query-btn,
:root[data-theme="dark"] .env-item,
:root[data-theme="dark"] .analytics-header,
:root[data-theme="dark"] .score-bar .bar,
:root[data-theme="dark"] .response-content blockquote,
body.dark-theme .source-item,
body.dark-theme .quick-query-btn,
body.dark-theme .env-item,
body.dark-theme .analytics-header,
body.dark-theme .score-bar .bar,
body.dark-theme .response-content blockquote {
    background-color: #21262d !important;
    border-color: #30363d !important;
}

/* Fix filter-btn hardcoded white background */
:root[data-theme="dark"] .filter-btn,
:root[data-theme="dark"] .sources-filter .filter-btn,
body.dark-theme .filter-btn,
body.dark-theme .sources-filter .filter-btn {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .filter-btn.active,
body.dark-theme .filter-btn.active {
    background-color: #4CAF50 !important;
    border-color: #4CAF50 !important;
    color: white !important;
}

/* Dark mode for table headers and cells */
:root[data-theme="dark"] .data-table th,
:root[data-theme="dark"] table thead th,
body.dark-theme .data-table th,
body.dark-theme table thead th {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #8b949e !important;
}

:root[data-theme="dark"] .data-table td,
:root[data-theme="dark"] table tbody td,
body.dark-theme .data-table td,
body.dark-theme table tbody td {
    background-color: transparent !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .data-table tbody tr:hover td,
body.dark-theme .data-table tbody tr:hover td {
    background-color: #21262d !important;
}

/* Table row selection and active states */
:root[data-theme="dark"] .data-table tbody tr.selected td,
:root[data-theme="dark"] .data-table tbody tr.active td,
:root[data-theme="dark"] table tbody tr.selected td,
:root[data-theme="dark"] table tbody tr.active td,
body.dark-theme .data-table tbody tr.selected td,
body.dark-theme .data-table tbody tr.active td,
body.dark-theme table tbody tr.selected td,
body.dark-theme table tbody tr.active td {
    background-color: rgba(76, 175, 80, 0.15) !important;
    color: #e6edf3 !important;
}

/* General selection highlight */
:root[data-theme="dark"] ::selection,
body.dark-theme ::selection {
    background-color: rgba(76, 175, 80, 0.3) !important;
    color: #e6edf3 !important;
}

/* Focus states for interactive elements */
:root[data-theme="dark"] input:focus,
:root[data-theme="dark"] select:focus,
:root[data-theme="dark"] textarea:focus,
:root[data-theme="dark"] button:focus,
body.dark-theme input:focus,
body.dark-theme select:focus,
body.dark-theme textarea:focus,
body.dark-theme button:focus {
    outline-color: #4CAF50 !important;
    border-color: #4CAF50 !important;
}

/* List item selection states */
:root[data-theme="dark"] li.selected,
:root[data-theme="dark"] li.active,
:root[data-theme="dark"] .list-item.selected,
:root[data-theme="dark"] .list-item.active,
body.dark-theme li.selected,
body.dark-theme li.active,
body.dark-theme .list-item.selected,
body.dark-theme .list-item.active {
    background-color: rgba(76, 175, 80, 0.15) !important;
    color: #e6edf3 !important;
}

/* Dropdown/Select option hover and selected */
:root[data-theme="dark"] option:hover,
:root[data-theme="dark"] option:checked,
body.dark-theme option:hover,
body.dark-theme option:checked {
    background-color: #30363d !important;
    color: #e6edf3 !important;
}

/* Query page specific dark mode */
:root[data-theme="dark"] .query-input-card,
:root[data-theme="dark"] .query-response,
body.dark-theme .query-input-card,
body.dark-theme .query-response {
    background-color: #161b22 !important;
    border-color: #30363d !important;
}

:root[data-theme="dark"] .query-textarea,
body.dark-theme .query-textarea {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .query-textarea::placeholder,
body.dark-theme .query-textarea::placeholder {
    color: #8b949e !important;
}

:root[data-theme="dark"] .context-selector,
:root[data-theme="dark"] .search-mode-selector,
body.dark-theme .context-selector,
body.dark-theme .search-mode-selector {
    border-color: #30363d !important;
}

:root[data-theme="dark"] .context-item label,
body.dark-theme .context-item label {
    color: #8b949e !important;
}

:root[data-theme="dark"] .sources-section,
body.dark-theme .sources-section {
    background-color: #161b22 !important;
    border-color: #30363d !important;
}

:root[data-theme="dark"] .sources-title,
body.dark-theme .sources-title {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .source-title,
body.dark-theme .source-title {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .source-meta,
body.dark-theme .source-meta {
    color: #8b949e !important;
}

/* Response content dark mode */
:root[data-theme="dark"] .response-content,
body.dark-theme .response-content {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .response-content h2,
:root[data-theme="dark"] .response-content h3,
:root[data-theme="dark"] .response-content h4,
:root[data-theme="dark"] .response-content strong,
body.dark-theme .response-content h2,
body.dark-theme .response-content h3,
body.dark-theme .response-content h4,
body.dark-theme .response-content strong {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .response-content code,
body.dark-theme .response-content code {
    background-color: rgba(76, 175, 80, 0.2) !important;
    color: #4CAF50 !important;
}

:root[data-theme="dark"] .loading-steps .step,
body.dark-theme .loading-steps .step {
    color: #8b949e !important;
}

:root[data-theme="dark"] .loading-steps .step.active,
body.dark-theme .loading-steps .step.active {
    color: #4CAF50 !important;
}

/* Trust badges */
:root[data-theme="dark"] .trust-badge,
body.dark-theme .trust-badge {
    background-color: #21262d !important;
}

/* Analytics */
:root[data-theme="dark"] .analytics-label,
body.dark-theme .analytics-label {
    color: #8b949e !important;
}

:root[data-theme="dark"] .analytics-value,
body.dark-theme .analytics-value {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .score-breakdown h5,
body.dark-theme .score-breakdown h5 {
    color: #8b949e !important;
}

/* Mode tags */
:root[data-theme="dark"] .mode-tag,
body.dark-theme .mode-tag {
    background-color: #21262d !important;
}

/* Stat cards */
:root[data-theme="dark"] .stat-card,
body.dark-theme .stat-card {
    background-color: #161b22 !important;
    border: 1px solid #30363d !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important;
}

:root[data-theme="dark"] .stat-label,
body.dark-theme .stat-label {
    color: #8b949e !important;
}

:root[data-theme="dark"] .stat-value,
body.dark-theme .stat-value {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .stat-change,
body.dark-theme .stat-change {
    color: #8b949e !important;
}

/* Sensor cards */
:root[data-theme="dark"] .sensor-card,
body.dark-theme .sensor-card {
    background-color: #161b22 !important;
    border: 1px solid #30363d !important;
}

:root[data-theme="dark"] .sensor-value,
body.dark-theme .sensor-value {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .sensor-label,
body.dark-theme .sensor-label {
    color: #8b949e !important;
}

/* Empty state */
:root[data-theme="dark"] .empty-state,
:root[data-theme="dark"] .text-center.text-muted,
body.dark-theme .empty-state,
body.dark-theme .text-center.text-muted {
    color: #8b949e !important;
}

/* Table container */
:root[data-theme="dark"] .table-container,
body.dark-theme .table-container {
    background-color: transparent !important;
}

/* Modal/Popup/Overlay elements */
:root[data-theme="dark"] .modal,
:root[data-theme="dark"] .modal-content,
:root[data-theme="dark"] .popup,
:root[data-theme="dark"] .dropdown-menu,
:root[data-theme="dark"] .tooltip,
body.dark-theme .modal,
body.dark-theme .modal-content,
body.dark-theme .popup,
body.dark-theme .dropdown-menu,
body.dark-theme .tooltip {
    background-color: #161b22 !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

/* Form wrappers and containers */
:root[data-theme="dark"] .form-group,
:root[data-theme="dark"] .form-row,
:root[data-theme="dark"] .input-group,
body.dark-theme .form-group,
body.dark-theme .form-row,
body.dark-theme .input-group {
    background-color: transparent !important;
}

/* Content wrappers */
:root[data-theme="dark"] .content-wrapper,
:root[data-theme="dark"] .panel,
:root[data-theme="dark"] .box,
:root[data-theme="dark"] .section,
body.dark-theme .content-wrapper,
body.dark-theme .panel,
body.dark-theme .box,
body.dark-theme .section {
    background-color: #161b22 !important;
    border-color: #30363d !important;
}

/* List items */
:root[data-theme="dark"] .list-item,
:root[data-theme="dark"] .list-group-item,
body.dark-theme .list-item,
body.dark-theme .list-group-item {
    background-color: #161b22 !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

/* Info/Alert boxes */
:root[data-theme="dark"] .alert,
:root[data-theme="dark"] .info-box,
:root[data-theme="dark"] .notice,
body.dark-theme .alert,
body.dark-theme .info-box,
body.dark-theme .notice {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

/* File upload areas */
:root[data-theme="dark"] .upload-area,
:root[data-theme="dark"] .dropzone,
:root[data-theme="dark"] .file-input-wrapper,
body.dark-theme .upload-area,
body.dark-theme .dropzone,
body.dark-theme .file-input-wrapper {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

/* Preview items */
:root[data-theme="dark"] .preview-item,
:root[data-theme="dark"] .preview-card,
:root[data-theme="dark"] .preview-box,
body.dark-theme .preview-item,
body.dark-theme .preview-card,
body.dark-theme .preview-box {
    background-color: #21262d !important;
    border-color: #30363d !important;
}

/* Step/Wizard elements */
:root[data-theme="dark"] .step-item,
:root[data-theme="dark"] .wizard-step,
body.dark-theme .step-item,
body.dark-theme .wizard-step {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

/* Knowledge/Document elements */
:root[data-theme="dark"] .document-item,
:root[data-theme="dark"] .knowledge-item,
:root[data-theme="dark"] .pest-item,
:root[data-theme="dark"] .chunk-item,
body.dark-theme .document-item,
body.dark-theme .knowledge-item,
body.dark-theme .pest-item,
body.dark-theme .chunk-item {
    background-color: #161b22 !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

/* Consultation elements */
:root[data-theme="dark"] .diagnosis-item,
:root[data-theme="dark"] .prescription-item,
:root[data-theme="dark"] .timeline-item,
body.dark-theme .diagnosis-item,
body.dark-theme .prescription-item,
body.dark-theme .timeline-item {
    background-color: #161b22 !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

/* Image/Gallery elements */
:root[data-theme="dark"] .image-item,
:root[data-theme="dark"] .gallery-item,
:root[data-theme="dark"] .thumbnail,
body.dark-theme .image-item,
body.dark-theme .gallery-item,
body.dark-theme .thumbnail {
    background-color: #21262d !important;
    border-color: #30363d !important;
}

/* Chip/Tag elements */
:root[data-theme="dark"] .chip,
:root[data-theme="dark"] .tag,
:root[data-theme="dark"] .badge:not(.active),
body.dark-theme .chip,
body.dark-theme .tag,
body.dark-theme .badge:not(.active) {
    background-color: #21262d !important;
    color: #e6edf3 !important;
}

/* Breadcrumb */
:root[data-theme="dark"] .breadcrumb,
body.dark-theme .breadcrumb {
    background-color: transparent !important;
    color: #8b949e !important;
}

/* Pagination - Dark Mode */
:root[data-theme="dark"] .pagination,
:root[data-theme="dark"] .pagination-container,
:root[data-theme="dark"] .pager,
body.dark-theme .pagination,
body.dark-theme .pagination-container,
body.dark-theme .pager {
    background-color: transparent !important;
}

:root[data-theme="dark"] .pagination-info,
body.dark-theme .pagination-info {
    color: #8b949e !important;
}

:root[data-theme="dark"] .page-btn,
:root[data-theme="dark"] .pager-btn,
:root[data-theme="dark"] .page-item,
:root[data-theme="dark"] .page-link,
body.dark-theme .page-btn,
body.dark-theme .pager-btn,
body.dark-theme .page-item,
body.dark-theme .page-link {
    background-color: #21262d !important;
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .page-btn:hover:not(:disabled):not(.active),
:root[data-theme="dark"] .pager-btn:hover:not(:disabled):not(.active),
:root[data-theme="dark"] .page-link:hover,
body.dark-theme .page-btn:hover:not(:disabled):not(.active),
body.dark-theme .pager-btn:hover:not(:disabled):not(.active),
body.dark-theme .page-link:hover {
    background-color: #30363d !important;
    border-color: #4CAF50 !important;
}

:root[data-theme="dark"] .page-btn.active,
:root[data-theme="dark"] .pager-btn.active,
:root[data-theme="dark"] .page-item.active .page-link,
body.dark-theme .page-btn.active,
body.dark-theme .pager-btn.active,
body.dark-theme .page-item.active .page-link {
    background-color: #4CAF50 !important;
    border-color: #4CAF50 !important;
    color: white !important;
}

:root[data-theme="dark"] .page-btn:disabled,
:root[data-theme="dark"] .pager-btn:disabled,
body.dark-theme .page-btn:disabled,
body.dark-theme .pager-btn:disabled {
    background-color: #161b22 !important;
    border-color: #30363d !important;
    color: #484f58 !important;
    opacity: 0.6 !important;
}

:root[data-theme="dark"] .page-dots,
body.dark-theme .page-dots {
    color: #8b949e !important;
}

/* General white background override - applies to common containers */
:root[data-theme="dark"] div[style*="background: white"],
:root[data-theme="dark"] div[style*="background-color: white"],
:root[data-theme="dark"] div[style*="background:#fff"],
:root[data-theme="dark"] div[style*="background-color:#fff"],
body.dark-theme div[style*="background: white"],
body.dark-theme div[style*="background-color: white"],
body.dark-theme div[style*="background:#fff"],
body.dark-theme div[style*="background-color:#fff"] {
    background-color: #161b22 !important;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary-dark);
}

/* ==========================================================================
   Layout
   ========================================================================== */

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-card);
    border-right: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: width var(--transition-normal);
    overflow: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar-logo img {
    width: 32px;
    height: 32px;
}

.sidebar-logo span {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}

.sidebar.collapsed .sidebar-logo span {
    display: none;
}

.sidebar-nav {
    padding: var(--spacing-md) 0;
    overflow-y: auto;
    height: calc(100vh - var(--header-height));
}

/* Sidebar scrollbar styling */
.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 2px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

.sidebar-nav {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
}

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

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

.nav-item i {
    width: 24px;
    font-size: 18px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar.collapsed .nav-item span {
    display: none;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    transition: color var(--transition-fast);
    margin-top: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.nav-section-title:hover {
    color: var(--color-text);
}

.nav-section-chevron {
    font-size: 10px;
    transition: transform var(--transition-fast);
}

.nav-section-items {
    display: none;
    overflow: hidden;
}

.nav-section-items.open {
    display: block;
}

.sidebar.collapsed .nav-section-title {
    display: none;
}

.sidebar.collapsed .nav-section-items {
    display: block;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-normal);
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sidebar-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.sidebar-toggle:hover {
    background: var(--color-background);
}

.header-search {
    position: relative;
}

.header-search input {
    width: 300px;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: 36px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

.header-search input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.header-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-icon {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.header-icon:hover {
    background: var(--color-background);
}

.header-icon .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    background: var(--color-danger);
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.header-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.header-profile:hover {
    background: var(--color-background);
}

.header-profile img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.header-profile-info {
    display: flex;
    flex-direction: column;
}

.header-profile-name {
    font-size: 13px;
    font-weight: 500;
}

.header-profile-role {
    font-size: 11px;
    color: var(--color-text-secondary);
}

/* Header Dropdown */
.header-dropdown-wrapper {
    position: relative;
}

.header-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 280px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow: hidden;
}

.header-dropdown.open {
    display: block;
}

.header-dropdown-title {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.header-dropdown-body {
    max-height: 320px;
    overflow-y: auto;
}

.header-dropdown-empty {
    padding: var(--spacing-lg);
    text-align: center;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.header-dropdown-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.header-dropdown-footer a {
    font-size: 13px;
    font-weight: 500;
}

.header-dropdown-profile {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.header-dropdown-profile strong {
    font-size: 14px;
}

.header-dropdown-profile small {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.header-dropdown-divider {
    height: 1px;
    background: var(--color-border);
}

.header-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    color: var(--color-text);
    transition: background var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.header-dropdown-item:hover {
    background: var(--color-background);
    color: var(--color-text);
}

.header-dropdown-item-danger {
    color: var(--color-danger);
}

.header-dropdown-item-danger:hover {
    color: var(--color-danger);
    background: rgba(211, 47, 47, 0.05);
}

/* Notification items in dropdown */
.notification-dropdown-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
    cursor: pointer;
}

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

.notification-dropdown-item:hover {
    background: var(--color-background);
}

.notification-dropdown-item .notif-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.notification-dropdown-item .notif-icon.warning {
    background: rgba(245, 124, 0, 0.1);
    color: var(--color-warning);
}

.notification-dropdown-item .notif-icon.danger {
    background: rgba(211, 47, 47, 0.1);
    color: var(--color-danger);
}

.notification-dropdown-item .notif-icon.info {
    background: rgba(21, 101, 192, 0.1);
    color: var(--color-secondary);
}

.notification-dropdown-item .notif-content {
    flex: 1;
    min-width: 0;
}

.notification-dropdown-item .notif-title {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.notification-dropdown-item .notif-time {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* Dark mode for header dropdowns */
:root[data-theme="dark"] .header-dropdown,
body.dark-theme .header-dropdown {
    background: #161b22 !important;
    border-color: #30363d !important;
}

:root[data-theme="dark"] .header-dropdown-title,
body.dark-theme .header-dropdown-title {
    border-bottom-color: #30363d !important;
}

:root[data-theme="dark"] .header-dropdown-footer,
body.dark-theme .header-dropdown-footer {
    border-top-color: #30363d !important;
}

:root[data-theme="dark"] .header-dropdown-item,
body.dark-theme .header-dropdown-item {
    color: #e6edf3 !important;
}

:root[data-theme="dark"] .header-dropdown-item:hover,
body.dark-theme .header-dropdown-item:hover {
    background: #21262d !important;
}

:root[data-theme="dark"] .header-dropdown-item-danger,
body.dark-theme .header-dropdown-item-danger {
    color: #EF5350 !important;
}

:root[data-theme="dark"] .header-dropdown-divider,
body.dark-theme .header-dropdown-divider {
    background: #30363d !important;
}

:root[data-theme="dark"] .notification-dropdown-item,
body.dark-theme .notification-dropdown-item {
    border-bottom-color: #30363d !important;
}

:root[data-theme="dark"] .notification-dropdown-item:hover,
body.dark-theme .notification-dropdown-item:hover {
    background: #21262d !important;
}

/* Page Content */
.page-content {
    padding: var(--spacing-lg);
}

.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

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

/* ==========================================================================
   Components
   ========================================================================== */

/* Cards */
.card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

.card-title {
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-lg);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-icon.primary {
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-primary);
}

.stat-icon.secondary {
    background: rgba(21, 101, 192, 0.1);
    color: var(--color-secondary);
}

.stat-icon.warning {
    background: rgba(245, 124, 0, 0.1);
    color: var(--color-warning);
}

.stat-icon.danger {
    background: rgba(211, 47, 47, 0.1);
    color: var(--color-danger);
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    margin-top: var(--spacing-xs);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.stat-change.positive {
    color: var(--color-success);
    background: rgba(56, 142, 60, 0.1);
}

.stat-change.negative {
    color: var(--color-danger);
    background: rgba(211, 47, 47, 0.1);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

.data-table th,
.data-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--color-background);
}

.data-table tr:hover td {
    background: var(--color-background);
}

/* Pagination */
.pagination-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-md);
}

.pagination-info {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
}

.page-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    background: var(--color-card);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled):not(.active) {
    background: var(--color-background);
    border-color: var(--color-primary);
}

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

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-dots {
    padding: 0 8px;
    color: var(--color-text-secondary);
}

/* Pager (alternative pagination) */
.pager {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: var(--spacing-md) 0;
}

.pager-btn {
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    background: var(--color-card);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pager-btn:hover:not(:disabled):not(.active) {
    background: var(--color-background);
}

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

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.status-badge.in-progress {
    background: rgba(21, 101, 192, 0.1);
    color: var(--color-secondary);
}

.status-badge.completed {
    background: rgba(56, 142, 60, 0.1);
    color: var(--color-success);
}

.status-badge.follow-up {
    background: rgba(245, 124, 0, 0.1);
    color: var(--color-warning);
}

.status-badge.normal {
    background: rgba(56, 142, 60, 0.1);
    color: var(--color-success);
}

.status-badge.warning {
    background: rgba(245, 124, 0, 0.1);
    color: var(--color-warning);
}

.status-badge.danger {
    background: rgba(211, 47, 47, 0.1);
    color: var(--color-danger);
}

.status-badge.offline {
    background: rgba(117, 117, 117, 0.1);
    color: var(--color-text-secondary);
}

/* Trust Indicators */
.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
}

.trust-badge.verified {
    color: var(--color-success);
}

.trust-badge.unverified {
    color: var(--color-warning);
}

.trust-badge.official {
    color: var(--color-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

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

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

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

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

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* Sensor Cards */
.sensor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.sensor-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

.sensor-farm-name {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sensor-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
}

.sensor-item {
    text-align: center;
    padding: var(--spacing-sm);
}

.sensor-item i {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--color-text-secondary);
}

.sensor-item .value {
    font-size: 18px;
    font-weight: 600;
}

.sensor-item .unit {
    font-size: 11px;
    color: var(--color-text-secondary);
}

.sensor-chart {
    height: 80px;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

@media (max-width: 1200px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Loading */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* AI Query */
.query-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.query-input-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.query-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    resize: none;
    transition: border-color var(--transition-fast);
}

.query-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.query-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-md);
}

.query-options {
    display: flex;
    gap: var(--spacing-sm);
}

.query-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-background);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.query-btn:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.query-submit {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: background var(--transition-fast);
}

.query-submit:hover {
    background: var(--color-primary-dark);
}

.query-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.query-submit.is-loading {
    background: var(--color-text-secondary);
    pointer-events: none;
}

.query-response {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.response-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.response-content {
    padding: var(--spacing-lg);
    line-height: 1.7;
}

.response-content code {
    background: var(--color-background);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Fira Code', monospace;
    font-size: 13px;
}

.response-content pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.sources-section {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-background);
}

.sources-title {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.source-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: 13px;
}

.source-item .match {
    color: var(--color-text-secondary);
    font-size: 12px;
}

/* Context Selector */
.context-selector {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-md);
}

.context-item {
    flex: 1;
}

.context-item label {
    display: block;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.context-item select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

/* Utility Classes */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-secondary); }
.text-primary { color: var(--color-primary); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-success { color: var(--color-success); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }

/* Hamburger Button (hidden by default, shown on tablet/mobile) */
.hamburger-btn {
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--color-text);
}

.hamburger-btn:hover {
    background: var(--color-background);
}

/* ============================================
   모바일 반응형
   ============================================ */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: -220px;
        z-index: 1000;
        transition: left 0.3s ease;
        height: 100vh;
    }
    .sidebar.open {
        left: 0;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    .sidebar-overlay.active {
        display: block;
    }
    .main-content {
        margin-left: 0 !important;
    }
    .header {
        padding-left: 16px;
    }
    .hamburger-btn {
        display: flex !important;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .page-header .flex {
        width: 100%;
        flex-wrap: wrap;
    }
    .page-title {
        font-size: 22px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .stat-card {
        padding: 16px;
    }
    .content-grid {
        grid-template-columns: 1fr;
    }
    .info-grid {
        grid-template-columns: 1fr;
    }
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    table {
        min-width: 600px;
    }
    .header-search {
        display: none;
    }
    .header-actions {
        gap: 8px;
    }
    .sensor-grid {
        grid-template-columns: 1fr;
    }
    .sensor-value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .btn {
        min-height: 44px;
        padding: 10px 16px;
    }
    .btn-sm {
        min-height: 36px;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .page-content {
        padding: 12px;
    }
    .page-title {
        font-size: 18px;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .stat-number {
        font-size: 24px;
    }
    .card, .sensor-card {
        border-radius: 8px;
    }
    .modal-content {
        margin: 0;
        min-height: 100vh;
        border-radius: 0;
    }
    .sensor-value-grid {
        grid-template-columns: 1fr;
    }
    .notification-container {
        right: 8px;
        left: 8px;
        top: 60px;
    }
    .notification {
        width: auto;
    }
}