.rules-layout {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.rules-sidebar {
    width: 200px;
    flex-shrink: 0;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.rules-sidebar-title {
    padding: 12px var(--spacing-md);
    font-weight: 700;
    font-size: 14px;
    background: linear-gradient(135deg, #8b6914, var(--accent), #e8c36a);
    color: #fff;
}

.rules-nav-item {
    display: block;
    padding: 10px var(--spacing-md);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--divider);
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.rules-nav-item:hover {
    background: var(--bg-sidebar);
    color: var(--accent);
}

.rules-nav-item.active {
    color: var(--accent);
    background: rgba(212,168,83,0.06);
    border-left: 3px solid var(--accent);
}

.rules-content {
    flex: 1;
    min-width: 0;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.rules-content h2 {
    font-size: 20px;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--accent);
    color: var(--text-primary);
    text-align: center;
}

.rules-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

/* Rules HTML content from backend */
.rules-html-content {
    font-size: 14px;
    line-height: 2;
    color: var(--text-primary);
}

.rules-html-content p {
    margin-bottom: var(--spacing-sm);
    text-indent: 2em;
}

.rules-html-content b,
.rules-html-content strong {
    color: var(--danger, #e53e3e);
    font-weight: 700;
}

.rules-html-content h3,
.rules-html-content h4 {
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-weight: 700;
    color: var(--text-primary);
}

.rules-html-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-size: 13px;
}

.rules-html-content table th,
.rules-html-content table td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.rules-html-content table th {
    background: var(--bg-sidebar);
    font-weight: 600;
}

.rules-html-content ul,
.rules-html-content ol {
    padding-left: 2em;
    margin-bottom: var(--spacing-md);
}

.rules-html-content li {
    margin-bottom: 4px;
}

/* Dividends page */
.dividends-year-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.year-tab {
    padding: 8px 20px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.year-tab:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.year-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

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

.dividends-table thead {
    background: linear-gradient(135deg, #8b6914, var(--accent), #e8c36a);
}

.dividends-table thead th {
    background: transparent;
    color: #fff;
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
}

.dividends-table tbody td {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid var(--divider);
    font-size: 14px;
}

.dividends-table tbody tr:nth-child(even) {
    background: var(--bg-sidebar);
}

.dividends-table tbody tr:hover {
    background: rgba(212,168,83,0.05);
}

.dividends-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(245,158,11,0.08);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--text-secondary);
    border-left: 3px solid var(--warning);
}

.dividends-desc {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(59,130,246,0.06);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--text-secondary);
    border-left: 3px solid var(--info);
}

/* Rankings page */
.rankings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.ranking-column {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.ranking-column-header {
    padding: 10px var(--spacing-md);
    font-weight: 700;
    font-size: 14px;
    background: linear-gradient(135deg, #8b6914, var(--accent), #e8c36a);
    color: #fff;
    text-align: center;
}

.ranking-column-body {
    padding: var(--spacing-sm) var(--spacing-md);
}

.ranking-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--divider);
}

.ranking-entry:last-child {
    border-bottom: none;
}

.ranking-position {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
    background: var(--bg-sidebar);
    color: var(--text-muted);
}

.ranking-position.gold { background: #FFF3CD; color: #B8860B; }
.ranking-position.silver { background: #E8E8E8; color: #696969; }
.ranking-position.bronze { background: #FDEBD0; color: #CD7F32; }

.ranking-entry-logo {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--divider);
    flex-shrink: 0;
}

.ranking-entry-name {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ranking-entry-name a {
    color: var(--text-primary);
    text-decoration: none;
}

.ranking-entry-name a:hover {
    color: var(--accent);
}

.ranking-entry-views {
    font-size: 12px;
    color: var(--accent-dark);
    font-weight: 700;
    flex-shrink: 0;
    font-family: "Courier New", monospace;
}

/* Submit page */
.submit-conditions {
    background: rgba(34,197,94,0.06);
    border: 1px solid rgba(34,197,94,0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.submit-conditions h3 {
    color: var(--success);
    font-size: 15px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 8px;
}

.submit-conditions ol {
    list-style: decimal;
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 2;
}

.submit-form {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.submit-form .form-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.submit-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.submit-form input,
.submit-form textarea,
.submit-form select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: border-color var(--transition-fast);
    background: var(--bg-card);
    color: var(--text-primary);
}

.submit-form input:focus,
.submit-form textarea:focus,
.submit-form select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(212,168,83,0.1);
}

.submit-form textarea {
    min-height: 80px;
    resize: vertical;
}

.submit-form .form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.submit-form .tdk-btn {
    padding: 10px 20px;
    background: var(--info);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    transition: background var(--transition-fast);
    white-space: nowrap;
}

.submit-form .tdk-btn:hover {
    background: #2563eb;
}

.submit-form .url-row {
    display: flex;
    gap: 8px;
}

.submit-form .url-row input {
    flex: 1;
}

/* Logo Upload Area */
.logo-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-upload-area:hover,
.logo-upload-area.dragover {
    border-color: var(--accent);
    background: rgba(212, 168, 83, 0.04);
}

.logo-upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 13px;
}

.logo-upload-placeholder i {
    font-size: 28px;
    color: var(--border-color);
    transition: color var(--transition-fast);
}

.logo-upload-area:hover .logo-upload-placeholder i {
    color: var(--accent);
}

.logo-upload-hint {
    font-size: 11px;
    color: var(--text-muted);
}

.logo-upload-preview {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 10px;
}

.logo-upload-preview img {
    max-height: 100%;
    max-width: 200px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.logo-upload-remove {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--danger);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logo-upload-remove:hover {
    background: #dc2626;
    transform: scale(1.1);
}

/* Articles page - card with tag filter + flat list */
.articles-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.articles-tag-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.articles-pill {
    display: inline-block;
    padding: 6px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.articles-pill:hover {
    color: var(--accent-dark);
    border-color: var(--accent);
    background: rgba(212, 168, 83, 0.04);
}

.articles-pill.active {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
}

.articles-body {
    padding: 12px 20px 20px;
}

/* Article card item */
.article-card-item {
    padding: 16px 18px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.article-card-item:last-child {
    margin-bottom: 0;
}

.article-card-item:hover {
    border-color: var(--accent);
    box-shadow: 0 2px 10px rgba(212, 168, 83, 0.1);
}

.article-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.5;
}

.article-card-item:hover .article-card-title {
    color: var(--accent-dark);
}

.article-card-summary {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: var(--text-muted);
}

.article-card-meta i {
    margin-right: 4px;
    font-size: 11px;
}

.article-card-meta span:last-child i {
    color: var(--accent);
}

/* Article detail */
.article-detail {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.article-detail-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    line-height: 1.4;
}

.article-detail-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--divider);
}

.article-detail-meta .tag {
    margin-left: 4px;
}

.article-detail-content {
    line-height: 1.8;
    font-size: 15px;
}

.article-detail-content h2 {
    font-size: 20px;
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.article-detail-content h3 {
    font-size: 17px;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.article-detail-content p {
    margin-bottom: var(--spacing-md);
}

.article-detail-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.article-detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.article-detail-content table th,
.article-detail-content table td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
}

.article-detail-content table th {
    background: var(--bg-sidebar);
    font-weight: 600;
}

/* About page */
.about-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.about-section-header {
    padding: 14px var(--spacing-lg);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: none;
    background: linear-gradient(135deg, #8b6914, var(--accent), #e8c36a);
    color: #fff;
}

.about-section-header i {
    color: #fff;
}

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

.about-info-row {
    display: flex;
    padding: 8px 0;
    border-bottom: 1px solid var(--divider);
    font-size: 14px;
}

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

.about-info-label {
    width: 120px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.about-info-value {
    flex: 1;
    color: var(--text-primary);
    word-break: break-all;
}

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

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-sidebar);
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    font-family: "Courier New", monospace;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.running-days {
    text-align: center;
    padding: var(--spacing-lg);
    font-size: 16px;
    color: var(--text-secondary);
}

.running-days strong {
    color: var(--accent);
    font-size: 24px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 14px;
}

.contact-item img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

.contact-item > i {
    width: 24px;
    font-size: 18px;
    color: var(--accent);
    text-align: center;
    flex-shrink: 0;
}

.contact-item > img[src=""],
.contact-item > img:not([src]) {
    display: none;
}

.contact-item .contact-label {
    color: var(--text-secondary);
    width: 60px;
}

.contact-item .contact-value {
    color: var(--text-primary);
}