/* EU Chemical Legislation News Aggregator - Styles */

/* CSS Variables - Light Theme (default) - CLP EU color scheme */
:root {
    --color-primary: #2c3e50;
    --color-primary-light: #3d5a73;
    --color-secondary: #32373c;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #cf2e2e;
    --color-light: #f8f9fa;
    --color-dark: #1a1d20;
    --color-text: #212529;
    --color-text-heading: #212529;
    --color-muted: #6c757d;
    --color-border: #dee2e6;
    --color-bg: #ffffff;
    --color-bg-secondary: #f0f4f7;
    --color-accent: #2c3e50;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height: 1.5;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    --border-radius: 4px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);

    /* Tag colors */
    --tag-source-bg: #e3eaf1;
    --tag-source-text: #1a3a5c;
    --tag-regulation-bg: #d4edda;
    --tag-regulation-text: #155724;

    /* Button hover colors */
    --btn-secondary-hover: #4a5157;
    --btn-danger-hover: #a82424;

    /* Indicator */
    --indicator-bg: rgba(255, 255, 255, 0.9);
}

/* Dark Theme - CLP EU color scheme */
[data-theme="dark"] {
    --color-primary: #5a8fc4;
    --color-primary-light: #7ba9d4;
    --color-secondary: #8c959d;
    --color-success: #3dd156;
    --color-warning: #ffda6a;
    --color-danger: #f06e6e;
    --color-light: #2d333b;
    --color-dark: #1c2128;
    --color-text: #e6edf3;
    --color-text-heading: #e6edf3;
    --color-muted: #8b949e;
    --color-border: #373e47;
    --color-bg: #1a1e24;
    --color-bg-secondary: #14171c;
    --color-accent: #5a8fc4;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);

    /* Tag colors for dark mode */
    --tag-source-bg: #1e3a50;
    --tag-source-text: #a0c4e8;
    --tag-regulation-bg: #1a3d2e;
    --tag-regulation-text: #7ee787;

    /* Button hover colors for dark mode */
    --btn-secondary-hover: #a8afb8;
    --btn-danger-hover: #f77d7d;

    /* Indicator for dark mode */
    --indicator-bg: rgba(26, 30, 36, 0.95);
}

/* Auto dark mode based on system preference - CLP EU color scheme */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-primary: #5a8fc4;
        --color-primary-light: #7ba9d4;
        --color-secondary: #8c959d;
        --color-success: #3dd156;
        --color-warning: #ffda6a;
        --color-danger: #f06e6e;
        --color-light: #2d333b;
        --color-dark: #1c2128;
        --color-text: #e6edf3;
        --color-text-heading: #e6edf3;
        --color-muted: #8b949e;
        --color-border: #373e47;
        --color-bg: #1a1e24;
        --color-bg-secondary: #14171c;
        --color-accent: #5a8fc4;
        --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);

        --tag-source-bg: #1e3a50;
        --tag-source-text: #a0c4e8;
        --tag-regulation-bg: #1a3d2e;
        --tag-regulation-text: #7ee787;

        /* Button hover colors for dark mode */
        --btn-secondary-hover: #a8afb8;
        --btn-danger-hover: #f77d7d;

        /* Indicator for dark mode */
        --indicator-bg: rgba(26, 30, 36, 0.95);
    }
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg-secondary);
    margin: 0;
    padding: 0;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.main-header {
    background: linear-gradient(135deg, #3d5a73 0%, #1a2d3d 100%);
    color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.3);
}

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

.logo {
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 4px;
}

.logo h1 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-sm);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.15);
}

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

.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    border-radius: 50%;
    transition: box-shadow 0.2s;
}

.user-dropdown-toggle:hover {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.user-avatar-large {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar-placeholder {
    background: var(--color-primary-light);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

.user-avatar-large.user-avatar-placeholder {
    font-size: 20px;
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 280px;
    display: none;
    z-index: 1000;
}

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

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

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

.user-dropdown-name {
    font-weight: 600;
    color: var(--color-text);
}

.user-dropdown-email {
    font-size: 0.85em;
    color: var(--color-muted);
}

.user-dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-xs) 0;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    color: var(--color-text);
    text-decoration: none;
    cursor: pointer;
    font-size: inherit;
}

.user-dropdown-item:hover {
    background: var(--color-bg-secondary);
}

.user-dropdown-logout:hover {
    background: var(--color-danger);
    color: white;
}

.theme-label {
    font-size: 0.85em;
    color: var(--color-muted);
}

.user-name {
    color: rgba(255, 255, 255, 0.85);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* Footer */
.main-footer {
    background: linear-gradient(135deg, #1a1d20 0%, #1e2a36 100%);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.main-footer p {
    margin: var(--spacing-xs) 0;
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h2 {
    color: var(--color-text-heading);
    margin: 0 0 var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(44, 62, 80, 0.2);
}

.btn:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(44, 62, 80, 0.3);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

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

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

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

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

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

/* Cards */
.article-card {
    background-color: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border-left: 4px solid var(--color-primary);
    transition: all 0.25s ease;
}

.article-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(44, 62, 80, 0.12);
    border-left-color: var(--color-primary-light);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.article-title {
    margin: 0 0 var(--spacing-sm);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
}

.article-title a {
    color: var(--color-text-heading);
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-title a:hover {
    color: var(--color-accent);
}

.article-summary {
    color: var(--color-muted);
    margin: 0 0 var(--spacing-sm);
    font-size: 0.9rem;
}

.article-date {
    color: var(--color-muted);
    font-size: 0.8rem;
}

.article-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Tags */
.tag {
    display: inline-block;
    padding: 4px 10px;
    background-color: var(--color-light);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
}

.tag-source {
    background-color: var(--tag-source-bg);
    color: var(--tag-source-text);
}

.tag-source:hover {
    background-color: var(--color-primary);
    color: white;
}

.tag-regulation {
    background-color: var(--tag-regulation-bg);
    color: var(--tag-regulation-text);
}

.tag-regulation:hover {
    filter: brightness(0.95);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background-color: var(--color-success);
    color: white;
}

.badge-warning {
    background-color: var(--color-warning);
    color: var(--color-dark);
}

.badge-secondary {
    background-color: var(--color-secondary);
    color: white;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background-color: var(--color-bg);
    border-radius: 10px;
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.25s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(44, 62, 80, 0.15);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-text-heading);
}

.stat-label {
    color: var(--color-muted);
    font-size: 0.875rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
}

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

.dashboard-section {
    background-color: var(--color-bg);
    border-radius: 10px;
    padding: var(--spacing-xl);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

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

.section-header h3 {
    margin: 0;
    color: var(--color-text-heading);
}

/* Sidebar */
.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.sidebar-section {
    background-color: var(--color-bg);
    border-radius: 10px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.sidebar-section h3 {
    margin: 0 0 var(--spacing-md);
    font-size: 1rem;
    color: var(--color-text-heading);
}

.stat-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.stat-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.stat-list li:last-child {
    border-bottom: none;
}

.stat-list a {
    color: var(--color-text);
    text-decoration: none;
}

.stat-list a:hover {
    color: var(--color-accent);
}

.stat-list .count {
    background-color: var(--color-light);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
}

/* Filters */
.filters-section {
    background-color: var(--color-bg);
    border-radius: 10px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.filter-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.filter-group select,
.filter-group input[type="date"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    background-color: var(--color-bg);
    color: var(--color-text);
}

.filter-group select:focus,
.filter-group input[type="date"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.15);
}

.filter-group select option {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.filter-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.filter-actions .btn-secondary {
    border: 1px solid var(--color-border);
    transition: all 0.2s;
}

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

/* Search */
.search-section {
    margin-bottom: var(--spacing-xl);
}

.search-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.search-input-group input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.search-tips {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

/* Results */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.results-count {
    color: var(--color-muted);
    font-size: 0.9rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.page-info {
    color: var(--color-muted);
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

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

.data-table th {
    background-color: var(--color-light);
    font-weight: 600;
}

.data-table td.actions {
    white-space: nowrap;
}

.data-table td.actions .btn {
    margin-right: var(--spacing-xs);
}

/* Forms */
.form {
    max-width: 600px;
    background-color: var(--color-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: var(--color-bg);
    color: var(--color-text);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--color-muted);
    font-size: 0.8rem;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: normal;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

/* Article Detail */
.article-detail {
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--box-shadow);
}

.article-detail .article-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.article-detail h1 {
    color: var(--color-text-heading);
    margin: var(--spacing-md) 0;
}

.article-detail .article-info {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.article-detail .article-content {
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.article-detail .article-metadata {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-xl);
}

.article-detail .article-metadata h3 {
    margin-top: 0;
}

.article-detail .article-metadata dl {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--spacing-sm);
    margin: 0;
}

.article-detail .article-metadata dt {
    font-weight: 500;
}

.article-detail .article-metadata dd {
    margin: 0;
    color: var(--color-muted);
    word-break: break-word;
}

/* Info Section */
.info-section {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-xl);
}

.info-section h3 {
    margin-top: 0;
    color: var(--color-text-heading);
}

.info-section ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.info-section li {
    margin-bottom: var(--spacing-sm);
}

/* Section Actions */
.section-actions {
    margin-bottom: var(--spacing-lg);
}

/* Loading Indicator */
.htmx-indicator {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--indicator-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
}

.htmx-request .htmx-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error Page */
.error-page {
    text-align: center;
    padding: var(--spacing-xl);
}

.error-page h1 {
    color: var(--color-danger);
}

.error-message {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
}

/* Utilities */
.text-muted {
    color: var(--color-muted);
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

.theme-toggle .icon {
    font-size: 1rem;
}

/* Hide icons based on current theme */
[data-theme="dark"] .theme-toggle .icon-moon,
[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun,
[data-theme="light"] .theme-toggle .icon-moon {
    display: inline;
}

/* Auto mode (system preference) */
:root:not([data-theme]) .theme-toggle .icon-moon,
:root:not([data-theme]) .theme-toggle .icon-sun {
    display: none;
}

:root:not([data-theme]) .theme-toggle .icon-auto {
    display: inline;
}

[data-theme] .theme-toggle .icon-auto {
    display: none;
}

/* Responsive - Tablet */
@media (max-width: 992px) {
    .dashboard-sidebar {
        order: -1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    /* Base typography */
    :root {
        --font-size-base: 15px;
    }

    /* Container padding */
    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Header */
    .main-header {
        padding: var(--spacing-md) 0;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .logo {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .logo-img {
        height: 35px;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    /* Navigation */
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-xs);
    }

    .main-nav a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }

    /* User menu */
    .user-menu {
        width: 100%;
        justify-content: center;
    }

    .user-dropdown-menu {
        right: -50%;
        min-width: 260px;
    }

    /* Page header */
    .page-header {
        margin-bottom: var(--spacing-md);
    }

    .page-header h2 {
        font-size: 1.4rem;
    }

    /* Stats grid */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    /* Article cards */
    .article-card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }

    .article-title {
        font-size: 1rem;
        line-height: 1.3;
    }

    .article-summary {
        font-size: 0.85rem;
        -webkit-line-clamp: 3;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .article-meta {
        gap: var(--spacing-xs);
    }

    /* Tags */
    .tag {
        padding: 3px 8px;
        font-size: 0.65rem;
    }

    /* Filters */
    .filters-section {
        padding: var(--spacing-md);
    }

    .filters-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .filter-group select,
    .filter-group input[type="date"] {
        padding: 8px 10px;
        font-size: 0.85rem;
    }

    .filter-actions {
        flex-direction: column;
    }

    .filter-actions .btn {
        width: 100%;
        text-align: center;
    }

    /* Search */
    .search-input-group {
        flex-direction: column;
    }

    .search-input-group input {
        font-size: 0.9rem;
    }

    /* Sidebar */
    .sidebar-section {
        padding: var(--spacing-md);
    }

    .sidebar-section h3 {
        font-size: 1rem;
    }

    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8rem;
    }

    .btn-sm {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.7rem;
    }

    /* Tables */
    .data-table {
        display: block;
        overflow-x: auto;
        font-size: 0.85rem;
    }

    .data-table th,
    .data-table td {
        padding: var(--spacing-sm);
    }

    /* Article detail */
    .article-detail .article-metadata dl {
        grid-template-columns: 1fr;
    }

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

    /* Footer */
    .main-footer {
        padding: var(--spacing-lg) 0;
    }

    .main-footer p {
        font-size: 0.85rem;
    }

    /* Pagination */
    .pagination {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .pagination a,
    .pagination span {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
    .logo h1 {
        font-size: 1rem;
    }

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

    .stat-value {
        font-size: 1.3rem;
    }

    .main-nav ul {
        gap: 2px;
    }

    .main-nav a {
        padding: var(--spacing-xs);
        font-size: 0.8rem;
    }

    .article-title {
        font-size: 0.95rem;
    }

    .tag {
        padding: 2px 6px;
        font-size: 0.6rem;
    }
}

/* Skeleton Loading Animations */
@keyframes skeleton-pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        opacity: 1;
    }
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-border) 25%,
        var(--color-bg-secondary) 50%,
        var(--color-border) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 4px;
}

.skeleton-card {
    background-color: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--color-border);
}

.skeleton-title {
    height: 1.4rem;
    width: 70%;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text {
    height: 1rem;
    width: 100%;
    margin-bottom: var(--spacing-xs);
}

.skeleton-text-short {
    height: 1rem;
    width: 40%;
}

.skeleton-tag {
    display: inline-block;
    height: 1.5rem;
    width: 80px;
    border-radius: 20px;
    margin-right: var(--spacing-xs);
}

.skeleton-stat {
    background-color: var(--color-bg);
    border-radius: 10px;
    padding: var(--spacing-lg);
    text-align: center;
}

.skeleton-stat-value {
    height: 2rem;
    width: 60%;
    margin: 0 auto var(--spacing-sm);
}

.skeleton-stat-label {
    height: 0.875rem;
    width: 80%;
    margin: 0 auto;
}

.skeleton-container {
    display: none;
}

.skeleton-container.htmx-request {
    display: block;
}

.skeleton-meta {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

/* Hide actual content while loading */
#article-list.htmx-request {
    display: none;
}

/* ============ UPCOMING EVENTS ============ */
.upcoming-events-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.upcoming-events-section .section-header {
    margin-bottom: var(--spacing-md);
}

.upcoming-events-section h3 {
    margin: 0;
    color: var(--color-text-heading);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.event-card {
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
}

.event-card.event-urgent {
    border-left-color: var(--color-danger);
    background: rgba(207, 46, 46, 0.1);
}

.event-card.event-soon {
    border-left-color: var(--color-warning);
    background: rgba(255, 193, 7, 0.1);
}

.event-type {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xs);
}

.event-title {
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.event-title a {
    color: var(--color-text);
    text-decoration: none;
}

.event-title a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.event-date {
    font-size: 0.875rem;
    color: var(--color-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.days-until {
    font-weight: 600;
    color: var(--color-primary);
}

.event-urgent .days-until {
    color: var(--color-danger);
}

.event-soon .days-until {
    color: #b8860b;
}

/* Event groups (collapsible) */
.event-group {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.event-group-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.event-group-header::-webkit-details-marker {
    display: none;
}

.event-group-header::before {
    content: "\25B6";
    font-size: 0.7rem;
    color: var(--color-muted);
    transition: transform 0.2s;
}

.event-group[open] > .event-group-header::before {
    transform: rotate(90deg);
}

.event-group-name {
    font-weight: 600;
    color: var(--color-text-heading);
}

.event-group-count {
    background: var(--color-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 10px;
}

.event-group-next {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--color-muted);
}

.event-group-next.text-urgent { color: var(--color-danger); font-weight: 600; }
.event-group-next.text-soon { color: #b8860b; font-weight: 600; }

.event-group > .events-grid {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
}

/* ============ LOGIN PAGE ============ */
.login-page {
    display: flex;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.login-card h2 {
    margin: 0 0 var(--spacing-lg);
    text-align: center;
    color: var(--color-text-heading);
}

.login-form .form-group {
    margin-bottom: var(--spacing-md);
}

.login-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.login-form input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    box-sizing: border-box;
}

.login-error {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: rgba(207, 46, 46, 0.1);
    border: 1px solid var(--color-danger);
    border-radius: var(--border-radius);
    color: var(--color-danger);
    font-size: 0.9rem;
}

.login-divider {
    text-align: center;
    margin: var(--spacing-lg) 0;
    position: relative;
}

.login-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    border-top: 1px solid var(--color-border);
}

.login-divider span {
    background: var(--color-bg);
    padding: 0 var(--spacing-md);
    position: relative;
    color: var(--color-muted);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

/* ============ COVERAGE MATRIX ============ */
.coverage-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.coverage-section .section-header {
    margin-bottom: var(--spacing-md);
}

.coverage-section h3 {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--color-text-heading);
}

.coverage-table-wrapper {
    overflow-x: auto;
}

.coverage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

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

.coverage-table th {
    background: var(--color-bg-secondary);
    font-weight: 600;
    color: var(--color-text-heading);
    white-space: nowrap;
}

.coverage-table .source-name {
    text-align: left;
    font-weight: 500;
    white-space: nowrap;
}

.coverage-table .count-cell {
    min-width: 50px;
}

.coverage-table .count-cell.has-data {
    background: rgba(40, 167, 69, 0.1);
}

.coverage-table .count-cell.high-count {
    background: rgba(40, 167, 69, 0.25);
    font-weight: 600;
}

.coverage-table .count-cell a {
    color: var(--color-text);
    text-decoration: none;
}

.coverage-table .count-cell a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.coverage-table .no-data {
    color: var(--color-muted);
}

.coverage-table .total-cell {
    font-weight: 600;
    background: var(--color-bg-secondary);
}

/* Dark mode adjustments */
[data-theme="dark"] .event-card.event-urgent {
    background: rgba(207, 46, 46, 0.15);
}

[data-theme="dark"] .event-card.event-soon {
    background: rgba(255, 193, 7, 0.15);
}

[data-theme="dark"] .coverage-table .count-cell.has-data {
    background: rgba(40, 167, 69, 0.15);
}

[data-theme="dark"] .coverage-table .count-cell.high-count {
    background: rgba(40, 167, 69, 0.3);
}

/* ============ ARTICLE SUMMARY PLACEHOLDER ============ */
.article-summary-placeholder {
    font-style: italic;
    color: var(--color-muted);
    font-size: 0.875rem;
}