/**
 * Articles Management Styles
 * 
 * Unified styling for admin and public views.
 * Follows SITE_STANDARDS.md - CSS variables only.
 * 
 * @package FreeconomyToday
 * @subpackage CSS\Articles
 */

/* =================================================================
   SECTION 1: LAYOUT & STRUCTURE
   ================================================================= */

.articles-hero,
.article-detail-hero,
.articles-form-hero,
.articles-categories-hero {
    min-height: auto;
    padding: 40px 20px;
    background: linear-gradient(135deg,
            rgba(34, 139, 34, 0.05) 0%,
            rgba(50, 205, 50, 0.02) 50%,
            rgba(144, 238, 144, 0.05) 100%);
}

.articles-header {
    margin-bottom: 40px;
    text-align: center;
}

.articles-header-content {
    margin-bottom: 20px;
}

.articles-title,
.categories-title,
.form-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color, #228B22);
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.articles-subtitle,
.categories-subtitle,
.form-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary, #666);
    margin-bottom: 20px;
}

/* =================================================================
   SECTION 2: ADMIN CONTROLS
   ================================================================= */

.articles-admin-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

/* =================================================================
   SECTION 3: STATISTICS CARDS
   ================================================================= */

.articles-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(34, 139, 34, 0.1);
    border-radius: 15px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-color: rgba(34, 139, 34, 0.3);
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color, #228B22);
    margin-bottom: 5px;
}

.stat-card .stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary, #666);
    font-weight: 500;
}

.stat-card--success {
    border-left: 4px solid #28a745;
}

.stat-card--success .stat-number {
    color: #28a745;
}

.stat-card--warning {
    border-left: 4px solid #ffc107;
}

.stat-card--warning .stat-number {
    color: #ffc107;
}

.stat-card--info {
    border-left: 4px solid #17a2b8;
}

.stat-card--info .stat-number {
    color: #17a2b8;
}

/* =================================================================
   SECTION 4: SEARCH & FILTERS
   ================================================================= */

.articles-search {
    margin-bottom: var(--space-8);
    display: flex;
    justify-content: center;
}

.search-form {
    display: flex;
    max-width: 500px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: var(--space-4);
    border: none;
    font-size: var(--font-size-base);
    background: transparent;
}

.search-input:focus {
    outline: none;
}

.search-btn {
    padding: var(--space-4) var(--space-5);
    background: var(--color-primary);
    border: none;
    color: white;
    cursor: pointer;
    font-size: var(--font-size-lg);
    transition: background 0.2s;
}

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


.articles-filters {
    margin-bottom: var(--space-4);
    /* Remove background/padding if it's too heavy inside the main column,
       but keeping some structure might be good. Let's make it cleaner. */
    background: transparent;
    padding: 0;
    border-radius: 0;
}

.filters-form {
    display: flex;
    flex-direction: row;
    /* Explicitly row */
    flex-wrap: nowrap;
    /* Try to force single line if possible, or wrap only on very small screens */
    gap: var(--space-4);
    /* Good spacing between groups */
    align-items: flex-end;
    /* Align bottom of inputs */
    justify-content: flex-start;
    /* Left adjust */
    width: 100%;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    /* Small gap between label and input */
    align-items: flex-start;
    /* Align label to start-left of input */
}

.filter-group label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1;
    /* Tighter line height for label */
    margin: 0;
}

.filter-select {
    padding: 6px 12px;
    height: 38px;
    /* Fixed height for consistency */
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    min-width: 140px;
    background-color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
}

.filter-actions {
    display: flex;
    gap: var(--space-2);
    margin-bottom: 2px;
    /* Slight visual adjustment to align with inputs if needed */
}

/* =================================================================
   SECTION 5: CONTENT LAYOUT (Sidebar + Main)
   ================================================================= */

.articles-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-8);
    align-items: start;
    margin-top: 0;
}

.articles-sidebar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    height: fit-content;
    position: sticky;
    top: 20px;
    margin-top: 0;
}

.sidebar-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-4) 0;
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.category-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.category-link {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.2s;
    font-size: var(--font-size-sm);
}

.category-link:hover {
    background: var(--color-background-secondary);
    color: var(--color-primary);
}

.category-link.active {
    background: var(--color-primary);
    color: white;
}

.category-link--child {
    padding-left: var(--space-6);
    font-size: var(--font-size-xs);
}

.category-children-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* =================================================================
   SECTION 6: ARTICLE CARDS
   ================================================================= */

.articles-main {
    min-width: 0;
    margin-top: 0;
}

.articles-grid {
    display: grid;
    gap: var(--space-4);
    margin-top: 0;
}

.article-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.article-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
}

.article-type {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-base);
    background: var(--color-background-secondary);
}

.article-type--guide {
    background: #e8f5e9;
    color: #2e7d32;
}

.article-type--troubleshooting {
    background: #fff3e0;
    color: #e65100;
}

.status-badge {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-base);
    font-weight: var(--font-weight-medium);
}

.status-badge--draft {
    background: #fff3cd;
    color: #856404;
}

.status-badge--published {
    background: #d4edda;
    color: #155724;
}

.status-badge--archived {
    background: #f8d7da;
    color: #721c24;
}

.article-card-title {
    margin: 0 0 var(--space-3) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

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

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

.article-card-excerpt {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0 0 var(--space-4) 0;
}

.article-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.article-card-actions {
    display: flex;
    gap: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

/* =================================================================
   SECTION 7: ARTICLE DETAIL
   ================================================================= */

.article-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
}

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

.article-breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--color-text-muted);
}

.breadcrumb-current {
    color: var(--color-text-muted);
}

.article-detail {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.article-detail-header {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.article-meta-top {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.article-detail-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-4) 0;
    line-height: 1.2;
}

.article-detail-excerpt {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin: 0 0 var(--space-6) 0;
}

.article-meta-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.article-meta-bottom>div {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.article-detail-content {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text);
}

.article-detail-content h2 {
    font-size: var(--font-size-2xl);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
}

.article-detail-content h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
}

.article-detail-content p {
    margin-bottom: var(--space-4);
}

.article-detail-content ul,
.article-detail-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.article-detail-content code {
    background: var(--color-background-secondary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-base);
    font-size: 0.9em;
}

.article-detail-content pre {
    background: var(--color-background-secondary);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-4);
}

.article-detail-footer {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.article-footer-meta {
    margin-bottom: var(--space-4);
}

.last-updated {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.article-navigation {
    display: flex;
    gap: var(--space-3);
}

/* =================================================================
   SECTION 8: FORMS
   ================================================================= */

.form-header {
    margin-bottom: var(--space-6);
}

.article-form,
.category-form {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-6);
}

.form-column--main {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-column--sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-error);
}

.form-control {
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: white;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 139, 34, 0.1);
}

.form-control--editor {
    min-height: 400px;
    font-family: monospace;
}

.form-help {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    line-height: 1.5;
}

.form-stats-card {
    background: var(--color-background-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.form-stats-card h4 {
    font-size: var(--font-size-sm);
    margin: 0 0 var(--space-3) 0;
    color: var(--color-text-muted);
}

.stats-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
}

.stats-row:last-child {
    border-bottom: none;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.form-row {
    display: flex;
    gap: var(--space-4);
}

.form-group--full {
    flex: 1;
}

/* =================================================================
   SECTION 9: CATEGORIES PAGE
   ================================================================= */

.categories-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.category-form-card,
.categories-list-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-5) 0;
}

.categories-table-container {
    overflow-x: auto;
}

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

.categories-table th,
.categories-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.categories-table th {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    background: var(--color-background-secondary);
}

.category-row--child {
    background: var(--color-background-secondary);
}

.child-indicator {
    color: var(--color-text-muted);
    margin-right: var(--space-2);
}

.category-slug code {
    background: var(--color-background-secondary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-base);
    font-size: var(--font-size-xs);
}

.permission-badge {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-base);
}

.permission-badge--public {
    background: #d4edda;
    color: #155724;
}

.permission-badge--restricted {
    background: #fff3cd;
    color: #856404;
}

.category-actions {
    display: flex;
    gap: var(--space-2);
}

.page-actions {
    margin-top: var(--space-6);
}

/* =================================================================
   SECTION 10: EMPTY STATE
   ================================================================= */

.articles-empty-state,
.empty-state {
    text-align: center;
    padding: var(--space-12);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-xl);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    margin: 0 0 var(--space-3) 0;
}

.empty-state-text {
    color: var(--color-text-muted);
    margin: 0 0 var(--space-6) 0;
}

/* =================================================================
   SECTION 11: BUTTONS
   ================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

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

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

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

.btn-danger:hover {
    background: #c53030;
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

.inline-form {
    display: inline;
}

/* =================================================================
   SECTION 12: MODAL
   ================================================================= */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-xl);
}

.modal-content h2 {
    margin: 0 0 var(--space-5) 0;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

/* =================================================================
   SECTION 13: RESPONSIVE DESIGN
   ================================================================= */

@media (max-width: 1024px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-column--sidebar {
        order: -1;
    }
}

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

    .articles-sidebar {
        position: static;
        order: -1;
    }

    .articles-main {
        order: 0;
    }

    .articles-header {
        flex-direction: column;
    }

    .articles-title,
    .form-title,
    .categories-title {
        font-size: var(--font-size-2xl);
    }

    .article-detail-title {
        font-size: var(--font-size-2xl);
    }

    .article-detail {
        padding: var(--space-4);
    }

    .form-row {
        flex-direction: column;
    }

    .categories-table th:nth-child(2),
    .categories-table td:nth-child(2) {
        display: none;
    }
}

/* =================================================================
   SECTION 14: DARK MODE
   ================================================================= */

[data-theme="dark"] .articles-hero,
[data-theme="dark"] .article-detail-hero,
[data-theme="dark"] .articles-form-hero,
[data-theme="dark"] .articles-categories-hero {
    background: var(--color-background);
}

[data-theme="dark"] .stat-card,
[data-theme="dark"] .articles-sidebar,
[data-theme="dark"] .article-card,
[data-theme="dark"] .article-detail,
[data-theme="dark"] .article-form,
[data-theme="dark"] .category-form-card,
[data-theme="dark"] .categories-list-card,
[data-theme="dark"] .modal-content {
    background: rgba(30, 41, 59, 0.85);
    border-color: rgba(148, 163, 184, 0.18);
}

[data-theme="dark"] .search-form {
    background: rgba(30, 41, 59, 0.85);
}

[data-theme="dark"] .search-input,
[data-theme="dark"] .form-control {
    background: rgba(15, 23, 42, 0.5);
    border-color: rgba(148, 163, 184, 0.3);
    color: var(--color-text);
}

[data-theme="dark"] .category-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .btn-secondary {
    background: rgba(148, 163, 184, 0.2);
    color: var(--color-text);
}

[data-theme="dark"] .articles-empty-state,
[data-theme="dark"] .empty-state {
    background: rgba(30, 41, 59, 0.5);
}