/* Base styles */
:root {
    --primary-color: #333;
    --secondary-color: #666;
    --background-color: #f5f5f5;
    --border-color: #ddd;
    --accent-color: #0066cc;
    --accent-hover: #0055aa;
}

[data-theme="dark"] {
    --primary-color: #e0e0e0;
    --secondary-color: #a0a0a0;
    --background-color: #1a1a1a;
    --border-color: #444;
    --accent-color: #4dabf7;
    --accent-hover: #339af0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--primary-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header */
header {
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

[data-theme="dark"] header {
    background-color: #2d2d2d;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

header nav a {
    color: var(--primary-color);
    text-decoration: none;
    margin-left: 1rem;
    transition: color 0.3s ease;
}

header nav a:hover {
    color: var(--accent-color);
}

main {
    padding: 1rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    transition: color 0.3s ease;
}

/* Newspaper list */
.newspaper-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.newspaper-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .newspaper-item {
    background: #2d2d2d;
}

.newspaper-info h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.newspaper-info h2 a {
    color: var(--primary-color);
    text-decoration: none;
}

.newspaper-info h2 a:hover {
    color: var(--accent-color);
}

.newspaper-info p {
    margin: 0.2rem 0;
    color: var(--secondary-color);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.status-success {
    color: #4caf50;
    font-weight: bold;
}

.status-pending {
    color: #ff9800;
    font-weight: bold;
}

.pull-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

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

/* Article list */
.article-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.article-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .article-item {
    background: #2d2d2d;
}

.article-item h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.article-item h3 a {
    color: var(--primary-color);
    text-decoration: none;
}

.article-item h3 a:hover {
    color: var(--accent-color);
}

.article-date {
    color: var(--secondary-color);
    font-size: 0.85rem;
    margin: 0.2rem 0;
    transition: color 0.3s ease;
}

.article-summary {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin: 0.5rem 0 0 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

/* Timeline layout */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-date {
    position: relative;
    margin: 2rem 0 1rem;
    padding-left: 1.5rem;
}

.timeline-date::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 0.35rem;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--accent-color);
    border: 2px solid var(--background-color);
}

.date-label {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.date-count {
    margin-left: 0.75rem;
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.article-item {
    padding-left: 1rem;
}

.article-main {
    flex: 1;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.pagination a {
    color: var(--accent-color);
    text-decoration: none;
}

.pagination a:hover {
    text-decoration: underline;
}

/* Article view */
.article-view {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .article-view {
    background: #2d2d2d;
}

.article-header {
    margin-bottom: 1.5rem;
    transition: color 0.3s ease;
}

.article-source {
    display: inline-block;
    background: #f0f7ff;
    color: #0066cc;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] .article-source {
    background: #1a365d;
    color: #60a5fa;
}

.source-label {
    margin-right: 0.5rem;
    color: #667599;
    transition: color 0.3s ease;
}

.source-name {
    font-weight: 700;
}

.article-view h1 {
    margin-top: 0;
    font-size: 2rem;
    line-height: 1.3;
    color: #222;
    font-weight: 700;
    transition: color 0.3s ease;
}

[data-theme="dark"] .article-view h1 {
    color: #e0e0e0;
}

.article-meta {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s ease;
}

.article-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.article-meta-row time,
.article-meta-row span {
    font-size: 0.9rem;
    color: var(--secondary-color);
    transition: color 0.3s ease;
}

.article-meta a {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.85rem;
    word-break: break-all;
    transition: color 0.3s ease;
}

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

.article-content {
    margin: 1.5rem 0;
    transition: color 0.3s ease;
}

.article-text {
    white-space: pre-wrap;
    font-size: 1.05rem;
    line-height: 1.8;
    color: #333;
    transition: color 0.3s ease;
}

[data-theme="dark"] .article-text {
    color: #e0e0e0;
}

.article-text p {
    margin: 0;
    text-indent: 2rem;
    transition: color 0.3s ease;
}

.article-text p:first-child {
    margin-top: 0;
    text-indent: 0;
}

.archived-html {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    margin-top: 1rem;
    background: #fafafa;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

[data-theme="dark"] .archived-html {
    border-color: var(--border-color);
    background: #2d2d2d;
}

.article-actions {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 2px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    transition: border-color 0.3s ease;
}

.back-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    background: #f0f7ff;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.back-link:hover {
    text-decoration: none;
    background: #e0efff;
    transform: translateY(-1px);
}

[data-theme="dark"] .back-link {
    background: #1a365d;
}

[data-theme="dark"] .back-link:hover {
    background: #0d2a4c;
}

/* Disabled feeds */
.source-disabled {
    color: var(--secondary-color);
    text-decoration: line-through;
    transition: color 0.3s ease;
}

.source-disabled:hover {
    text-decoration: none;
    cursor: not-allowed;
}

.status-badge {
    display: inline-block;
    background: #dc3545;
    color: white;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    margin-left: 0.5rem;
    transition: background-color 0.3s ease;
}

.disable-reason {
    color: #666;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    font-style: italic;
    transition: color 0.3s ease;
}

/* Status page */
.status-page {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1.5rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .status-page {
    background: #2d2d2d;
}

.status-page h1 {
    margin-top: 0;
    transition: color 0.3s ease;
}

.status-page h2 {
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.status-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
    transition: color 0.3s ease;
}

.status-item h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    color: var(--secondary-color);
    transition: color 0.3s ease;
}

.status-item p {
    margin: 0.2rem 0;
    transition: color 0.3s ease;
}

.status-online {
    color: #28a745;
    font-weight: bold;
}

.status-warning {
    color: #ffc107;
    font-weight: bold;
}

/* Responsive */
@media (max-width: 600px) {
    header {
        padding: 0.75rem 1rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    header nav {
        display: flex;
        gap: 1rem;
    }
    
    main {
        padding: 0.75rem 1rem;
    }
    
    .newspaper-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pull-btn {
        margin-top: 0.75rem;
    }
    
    .status-summary {
        grid-template-columns: 1fr;
    }
    
    .article-view {
        padding: 1.25rem;
    }
    
    .article-view h1 {
        font-size: 1.4rem;
    }
    
    .article-meta-row {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .article-text {
        font-size: 0.95rem;
    }
}

/* Kobo compatibility */
@media (max-width: 600px) {
    body {
        font-size: 14px;
    }
    
    h1 {
        font-size: 1.25rem;
    }
    
    h2 {
        font-size: 1.1rem;
    }
}

/* Print styles */
@media print {
    header, .pull-btn, .pagination, .article-actions, .back-link {
        display: none;
    }
    
    .article-view {
        border: none;
        padding: 0;
    }
    
    .article-content {
        margin: 0;
    }
}