/* TailAdmin-inspired Analytics Dashboard Styles */

/* Import Inter font for modern typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables for TailAdmin-like theme */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Gray Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Status Colors */
    --success-500: #10b981;
    --warning-500: #f59e0b;
    --danger-500: #ef4444;
    --info-500: #06b6d4;
    
    /* Chart Colors */
    --chart-color-1: #3b82f6;
    --chart-color-2: #f59e0b;
    --chart-color-3: #10b981;
    --chart-color-4: #ef4444;
    --chart-color-5: #8b5cf6;
    --chart-color-6: #f97316;
    --chart-color-7: #ec4899;
    --chart-color-8: #6b7280;
    --chart-color-9: #84cc16;
    --chart-color-10: #06b6d4;
    
    /* Sidebar */
    --sidebar-width: 256px;
    --sidebar-collapsed-width: 64px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Dark theme variables */
[data-theme="dark"] {
    --gray-50: #111827;
    --gray-100: #1f2937;
    --gray-200: #374151;
    --gray-300: #4b5563;
    --gray-400: #6b7280;
    --gray-500: #9ca3af;
    --gray-600: #d1d5db;
    --gray-700: #e5e7eb;
    --gray-800: #f3f4f6;
    --gray-900: #f9fafb;
}

/* Base styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--gray-50);
    margin: 0;
    padding: 0;
}

/* Layout Components */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: white;
    border-right: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: width 0.3s ease;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 40;
}

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

.sidebar-header {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-600);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: 0.375rem;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s ease;
}

.sidebar-toggle:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    margin: 0.25rem 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.875rem;
}

.nav-link:hover {
    background-color: var(--gray-100);
    color: var(--gray-900);
}

.nav-link.active {
    background-color: var(--primary-50);
    color: var(--primary-700);
    border-left: 3px solid var(--primary-500);
}

.nav-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.nav-text {
    white-space: nowrap;
    overflow: hidden;
    transition: opacity 0.3s ease;
}

.sidebar.collapsed .nav-text {
    opacity: 0;
    width: 0;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
    min-height: 100vh;
    background-color: var(--gray-50);
}

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

/* Header */
.main-header {
    background-color: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 30;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: 0.375rem;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-500);
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-separator {
    color: var(--gray-400);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.theme-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: 0.375rem;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

/* Page Content */
.page-content {
    padding: 2rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

/* Card Components */
.card {
    background-color: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0.25rem 0 0 0;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background-color: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

/* Grid System */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-600);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-700);
}

.btn-secondary {
    background-color: var(--gray-600);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--gray-700);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

/* === DROPDOWN MENUS === */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    position: relative;
    background: none;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    padding: 0.5rem;
    color: var(--gray-600);
    transition: all 0.2s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropdown-toggle:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--gray-700);
}

.dropdown-toggle:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 1000;
    min-width: 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    margin: 0;
    list-style: none;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.dropdown-menu.show,
.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
    padding: 0;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
}

.dropdown-item:hover {
    background-color: var(--primary-50);
    color: var(--primary-700);
    text-decoration: none;
}

.dropdown-item:focus {
    outline: none;
    background-color: var(--primary-100);
    color: var(--primary-800);
}

.dropdown-item:active {
    background-color: var(--primary-200);
    color: var(--primary-900);
}

/* Dropdown divider */
.dropdown-divider {
    height: 1px;
    background-color: var(--gray-200);
    margin: 0.5rem 0;
    border: none;
}

/* Chart help modal content */
.chart-help-content h6 {
    color: var(--gray-800);
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.chart-help-content ul {
    margin: 0;
    padding-left: 1.5rem;
}

.chart-help-content li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.chart-help-content strong {
    color: var(--gray-800);
    font-weight: 600;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-primary {
    background-color: var(--primary-100);
    color: var(--primary-800);
}

.badge-success {
    background-color: #dcfce7;
    color: #166534;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background-color: #e0f2fe;
    color: #0c4a6e;
}

/* Chart Containers */
.chart-container {
    position: relative;
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    margin-bottom: 1.5rem;
}

.chart-container svg {
    max-width: 100%;
    height: auto;
}

/* KPI Cards */
.kpi-card {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.kpi-value {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.kpi-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Loading States */
.loading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--gray-200);
    border-top: 2px solid var(--primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-info {
    background-color: #e0f2fe;
    border-color: #0891b2;
    color: #0c4a6e;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: #d97706;
    color: #92400e;
}

.alert-danger {
    background-color: #fee2e2;
    border-color: #dc2626;
    color: #991b1b;
}

.alert-success {
    background-color: #dcfce7;
    border-color: #16a34a;
    color: #166534;
}

/* Tree View Styles */
.tree-container {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    padding: 0.5rem;
    background-color: white;
}

.tree-node {
    margin: 0.125rem 0;
}

.tree-node-content {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tree-node-content:hover {
    background-color: var(--gray-100);
}

.tree-node-content.selected {
    background-color: var(--primary-50);
    color: var(--primary-700);
}

.tree-expand-icon {
    width: 0.75rem;
    height: 0.75rem;
    margin-right: 0.5rem;
    color: var(--gray-500);
}

.tree-node-label {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Form Elements */
.form-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-group {
    display: flex;
    align-items: center;
}

.input-group-text {
    padding: 0.5rem 0.75rem;
    background-color: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-right: none;
    border-radius: 0.375rem 0 0 0.375rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.input-group .form-input {
    border-radius: 0;
    border-left: none;
}

.input-group .btn {
    border-radius: 0 0.375rem 0.375rem 0;
    border-left: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 50;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .page-content {
        padding: 1rem;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .card-body {
        padding: 1rem;
    }
}

@media (max-width: 640px) {
    .main-header {
        padding: 1rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .chart-container {
        padding: 1rem;
    }
}

/* Dark Theme Styles */
[data-theme="dark"] {
    color-scheme: dark;
}

[data-theme="dark"] body {
    background-color: var(--gray-900);
    color: var(--gray-100);
}

[data-theme="dark"] .sidebar {
    background-color: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .card {
    background-color: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .main-header {
    background-color: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .card-header,
[data-theme="dark"] .card-footer {
    background-color: var(--gray-700);
    border-color: var(--gray-600);
}

/* Main content area dark theme */
[data-theme="dark"] .main-content {
    background-color: var(--gray-900);
}

/* Interactive elements dark theme */
[data-theme="dark"] .theme-toggle:hover {
    background-color: var(--gray-700);
}

[data-theme="dark"] .sidebar-toggle:hover {
    background-color: var(--gray-700);
}

[data-theme="dark"] .mobile-menu-toggle {
    color: var(--gray-400);
}

[data-theme="dark"] .mobile-menu-toggle:hover {
    background-color: var(--gray-700);
    color: var(--gray-200);
}

[data-theme="dark"] .nav-link:hover {
    background-color: var(--gray-700);
}

[data-theme="dark"] .nav-link.active {
    background-color: var(--primary-700);
    color: var(--primary-100);
}

/* Dropdown dark theme */
[data-theme="dark"] .dropdown-toggle:hover {
    background-color: var(--gray-700);
    border-color: var(--gray-600);
    color: var(--gray-300);
}

[data-theme="dark"] .dropdown-menu {
    background: var(--gray-800);
    border-color: var(--gray-600);
}

[data-theme="dark"] .dropdown-item {
    color: var(--gray-300);
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--gray-700);
    color: var(--gray-100);
}

[data-theme="dark"] .dropdown-item:focus {
    background-color: var(--gray-600);
    color: var(--gray-100);
}

/* Chart containers dark theme */
[data-theme="dark"] .chart-container {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

/* Tree container dark theme */
[data-theme="dark"] .tree-container {
    background-color: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .tree-node-content:hover {
    background-color: var(--gray-700);
}

[data-theme="dark"] .tree-node-content.selected {
    background-color: var(--gray-700);
    color: var(--primary-300);
}

/* Form elements dark theme */
[data-theme="dark"] .form-input {
    background-color: var(--gray-800);
    border-color: var(--gray-600);
    color: var(--gray-200);
}

[data-theme="dark"] .form-input:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .input-group-text {
    background-color: var(--gray-700);
    border-color: var(--gray-600);
    color: var(--gray-300);
}

/* Alert styles dark theme */
[data-theme="dark"] .alert-info {
    background-color: rgba(2, 132, 199, 0.2);
    border-color: var(--info-500);
    color: #7dd3fc;
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(245, 158, 11, 0.2);
    border-color: var(--warning-500);
    color: #fbbf24;
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(239, 68, 68, 0.2);
    border-color: var(--danger-500);
    color: #fca5a5;
}

[data-theme="dark"] .alert-success {
    background-color: rgba(16, 185, 129, 0.2);
    border-color: var(--success-500);
    color: #6ee7b7;
}

/* Button dark theme styles */
[data-theme="dark"] .btn {
    border-color: var(--gray-600);
}

[data-theme="dark"] .btn-outline {
    background-color: transparent;
    color: var(--gray-300);
    border-color: var(--gray-600);
}

[data-theme="dark"] .btn-outline:hover {
    background-color: var(--gray-700);
    color: var(--gray-100);
    border-color: var(--gray-500);
}

[data-theme="dark"] .btn-primary {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

[data-theme="dark"] .btn-primary:hover {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
}

/* Page content dark theme */
[data-theme="dark"] .page-content {
    color: var(--gray-200);
}

[data-theme="dark"] .page-title {
    color: var(--gray-100);
}

[data-theme="dark"] .page-subtitle {
    color: var(--gray-400);
}

/* Text colors for dark theme */
[data-theme="dark"] .card-title {
    color: var(--gray-100);
}

[data-theme="dark"] .card-subtitle {
    color: var(--gray-400);
}

/* Modal dark theme (for our help dialogs) */
[data-theme="dark"] #chart-help-modal .modal-content {
    background: var(--gray-800) !important;
    border-color: var(--gray-700);
}

[data-theme="dark"] #chart-help-modal .modal-header {
    border-color: var(--gray-700);
}

[data-theme="dark"] #chart-help-modal .modal-footer {
    border-color: var(--gray-700);
}

[data-theme="dark"] #chart-help-modal .modal-title {
    color: var(--gray-100) !important;
}

[data-theme="dark"] #chart-help-modal .modal-body {
    color: var(--gray-300) !important;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }

.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Print Styles */
@media print {
    .sidebar,
    .main-header,
    .btn,
    .theme-toggle {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    .page-content {
        padding: 0;
    }
}

/* Brand Perception Summaries - Integrated Tabbed Interface */
.perception-summaries-container {
    padding: 0;
}

.perception-tabs-nav {
    display: flex;
    background: none;
    border: none;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) transparent;
    margin-top: 0.5rem;
    gap: 0.25rem;
}

.perception-tabs-nav::-webkit-scrollbar {
    height: 4px;
}

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

.perception-tabs-nav::-webkit-scrollbar-thumb {
    background-color: var(--gray-300);
    border-radius: 2px;
}

.perception-tab {
    flex: 0 0 auto;
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 0.375rem;
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    position: relative;
}

.perception-tab:hover {
    color: var(--gray-900);
    background-color: var(--gray-200);
    border-color: var(--gray-300);
}

.perception-tab.active {
    color: var(--primary-700);
    background-color: var(--primary-50);
    border-color: var(--primary-300);
}

/* Authority score badge in perception tabs */
.authority-score-badge {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.125rem 0.5rem;
    background-color: var(--primary-100);
    color: var(--primary-700);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    line-height: 1.2;
}

.perception-tab:hover .authority-score-badge {
    background-color: var(--primary-200);
    color: var(--primary-800);
}

.perception-tab.active .authority-score-badge {
    background-color: var(--primary-200);
    color: var(--primary-800);
}

.perception-tab-content {
    padding: 0;
    min-height: 300px;
}

.perception-card {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    transition: opacity 0.3s ease;
    position: relative;
    overflow: visible;
}

.perception-card.hidden {
    display: none;
}

.perception-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.perception-brand-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.perception-confidence {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.confidence-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.confidence-high {
    background-color: #dcfce7;
    color: #166534;
}

.confidence-medium {
    background-color: #fef3c7;
    color: #92400e;
}

.confidence-low {
    background-color: #fee2e2;
    color: #991b1b;
}

.perception-text {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 1rem;
    max-height: 4.8rem;
    overflow: hidden;
    position: relative;
}

.perception-text.expanded {
    max-height: none;
}

.perception-text-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2rem;
    background: linear-gradient(to bottom, transparent, white);
    pointer-events: none;
}

.perception-text.expanded + .perception-text-fade {
    display: none;
}

.perception-read-more {
    color: var(--primary-600);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s ease;
}

.perception-read-more:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

.perception-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
    font-size: 0.75rem;
    color: var(--gray-500);
}

.perception-date {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.perception-sample-size {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* PCA Explanation Styles */
.pca-explanation-container {
    padding: 1.5rem;
}

.explanation-mode {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.explanation-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--gray-50);
    border-radius: 0.5rem;
    border: 1px solid var(--gray-200);
}

.explanation-section h6 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.explanation-section h6 i {
    color: var(--primary-600);
}

.explanation-section p {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.explanation-section ul,
.explanation-section ol {
    margin-left: 1.5rem;
    color: var(--gray-700);
    line-height: 1.8;
}

.explanation-section li {
    margin-bottom: 0.5rem;
}

.axes-explanation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.axis-item {
    padding: 1rem;
    background: white;
    border-radius: 0.375rem;
    border: 1px solid var(--gray-300);
}

.axis-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.variance-indicator {
    margin-top: 0.5rem;
    height: 0.5rem;
    background-color: var(--gray-200);
    border-radius: 0.25rem;
    overflow: hidden;
    position: relative;
}

.variance-indicator::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background-color: var(--primary-500);
    transition: width 0.5s ease;
}

.variance-details {
    padding: 1rem;
    background: white;
    border-radius: 0.375rem;
    border: 1px solid var(--gray-300);
}

.variance-breakdown {
    margin: 1rem 0;
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Dark theme adjustments for integrated tabbed interface */
[data-theme="dark"] .perception-tab {
    background-color: var(--gray-700);
    border-color: var(--gray-600);
    color: var(--gray-400);
}

[data-theme="dark"] .perception-tab:hover {
    color: var(--gray-200);
    background-color: var(--gray-600);
    border-color: var(--gray-500);
}

[data-theme="dark"] .perception-tab.active {
    color: var(--primary-300);
    background-color: var(--primary-900);
    border-color: var(--primary-600);
}

[data-theme="dark"] .perception-card {
    background-color: transparent;
    border-color: var(--gray-700);
}

[data-theme="dark"] .perception-brand-name {
    color: var(--gray-100);
}

[data-theme="dark"] .perception-text {
    color: var(--gray-300);
}

[data-theme="dark"] .perception-text-fade {
    background: linear-gradient(to bottom, transparent, var(--gray-800));
}

[data-theme="dark"] .perception-read-more {
    color: var(--primary-400);
}

[data-theme="dark"] .perception-read-more:hover {
    color: var(--primary-300);
}

[data-theme="dark"] .perception-meta {
    border-color: var(--gray-600);
    color: var(--gray-400);
}

[data-theme="dark"] .explanation-section {
    background-color: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .axis-item,
[data-theme="dark"] .variance-details {
    background-color: var(--gray-700);
    border-color: var(--gray-600);
}

/* Responsive adjustments for new components */
@media (max-width: 768px) {
    .perception-summaries-container {
        grid-template-columns: 1fr;
        padding: 0.5rem;
    }
    
    .axes-explanation {
        grid-template-columns: 1fr;
    }
    
    .perception-tab-content {
        padding: 1.5rem;
    }
    
    .perception-tab {
        padding: 0.75rem 1rem;
        font-size: 0.8125rem;
    }
}

@media (max-width: 640px) {
    .perception-tab-content {
        padding: 1rem;
    }
    
    .perception-tab {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .perception-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* Chart Info Icon Styles */
.chart-info-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--gray-400);
    z-index: 10;
    transition: all 0.2s ease;
    background: white;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.chart-info-icon:hover {
    color: var(--primary-600);
    background-color: var(--primary-50);
    transform: scale(1.1);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

/* Chart container adjustments for info icon */
.chart-container {
    position: relative;
}

/* Modal styles for chart explanations */
#chartInfoModal .modal-content {
    border-radius: 0.75rem;
    border: none;
    box-shadow: var(--shadow-xl);
}

#chartInfoModal .modal-header {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    border-radius: 0.75rem 0.75rem 0 0;
    padding: 1.25rem 1.5rem;
}

#chartInfoModal .modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

#chartInfoModal .modal-body {
    padding: 1.5rem;
    color: var(--gray-700);
    line-height: 1.6;
}

#chartInfoModal .modal-body h6 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

#chartInfoModal .modal-body h6:first-child {
    margin-top: 0;
}

#chartInfoModal .modal-body ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

#chartInfoModal .modal-body li {
    margin-bottom: 0.5rem;
}

#chartInfoModal .modal-body p {
    margin-bottom: 1rem;
}

#chartInfoModal .modal-body p:last-child {
    margin-bottom: 0;
}

#chartInfoModal .modal-footer {
    background-color: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    border-radius: 0 0 0.75rem 0.75rem;
    padding: 1rem 1.5rem;
}

/* Dark theme adjustments for chart info */
[data-theme="dark"] .chart-info-icon {
    background-color: var(--gray-700);
    color: var(--gray-400);
}

[data-theme="dark"] .chart-info-icon:hover {
    background-color: var(--primary-900);
    color: var(--primary-400);
}

[data-theme="dark"] #chartInfoModal .modal-content {
    background-color: var(--gray-800);
    color: var(--gray-100);
}

[data-theme="dark"] #chartInfoModal .modal-header,
[data-theme="dark"] #chartInfoModal .modal-footer {
    background-color: var(--gray-700);
    border-color: var(--gray-600);
}

[data-theme="dark"] #chartInfoModal .modal-title {
    color: var(--gray-100);
}

[data-theme="dark"] #chartInfoModal .modal-body {
    color: var(--gray-200);
}

[data-theme="dark"] #chartInfoModal .modal-body h6 {
    color: var(--gray-100);
}