/* GoodLinks Webapp - Minimal CSS */

:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #666666;
    --color-link: #0066cc;
    --color-link-hover: #004499;
    --color-border: #e0e0e0;
    --color-accent: #0066cc;
    --color-article: #2e7d32;
    --color-entity: #1565c0;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', SFMono-Regular, Consolas, monospace;
    --max-width: 1200px;
    --content-width: 720px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

/* Header */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-main {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.nav-brand:hover {
    text-decoration: none;
}

.nav-search {
    flex: 1;
    max-width: 400px;
    display: flex;
    gap: 0.5rem;
}

.nav-search input {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.875rem;
}

.nav-search button {
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
}

.nav-search button:hover {
    opacity: 0.9;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Main Content */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 200px);
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-border);
}

/* Home Page */
.hero {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stats-summary {
    color: var(--color-text-muted);
}

.home-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.home-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border);
}

.object-list {
    list-style: none;
}

.object-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
}

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

.object-list .summary {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.entity-type {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
}

/* Content Pages (Article/Entity) */
.content-page {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
}

@media (max-width: 900px) {
    .content-page {
        grid-template-columns: 1fr;
    }
}

.main-article {
    max-width: var(--content-width);
}

.article-header h1,
.entity-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.article-meta {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.article-meta span:not(:last-child)::after {
    content: ' · ';
    margin-left: 0.25rem;
}

.article-meta .source-domain {
    font-weight: 500;
}

.source-link {
    margin-bottom: 1.5rem;
}

.source-link a {
    font-size: 0.875rem;
}

.source-link .link-sep {
    color: var(--color-text-muted);
    margin: 0 0.5rem;
}

.source-link .archive-link {
    color: var(--color-text-muted);
}

.source-link .archive-link:hover {
    color: var(--color-link);
}

.article-summary {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    padding: 1rem;
    background: var(--color-bg);
    border-left: 3px solid var(--color-accent);
    margin-bottom: 2rem;
}

.article-content,
.entity-content {
    line-height: 1.8;
}

.article-content p,
.entity-content p {
    margin-bottom: 1rem;
}

.article-content h1,
.entity-content h1 {
    font-size: 1.75rem;
    margin: 2rem 0 1rem;
}

.article-content h2,
.entity-content h2 {
    font-size: 1.5rem;
    margin: 1.5rem 0 0.75rem;
}

.article-content h3,
.entity-content h3 {
    font-size: 1.25rem;
    margin: 1.25rem 0 0.5rem;
}

.article-content code,
.entity-content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--color-bg);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
}

/* Wiki Links */
.wiki-link {
    color: var(--color-link);
    background: rgba(0, 102, 204, 0.05);
    padding: 0 0.125rem;
    border-radius: 2px;
}

.wiki-link:hover {
    background: rgba(0, 102, 204, 0.1);
}

.broken-link {
    color: #c62828;
    text-decoration: line-through;
    cursor: help;
}

.external-link::after {
    content: ' ↗';
    font-size: 0.75em;
}

/* Entity specific */
.entity-type-badge {
    display: inline-block;
    background: var(--color-entity);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.entity-metadata {
    background: var(--color-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.entity-metadata dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem 1rem;
}

.entity-metadata dt {
    font-weight: 600;
    color: var(--color-text-muted);
}

.entity-metadata dd {
    word-break: break-word;
}

/* Tags */
.article-footer,
.entity-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.tag {
    display: inline-block;
    background: var(--color-bg);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    margin-right: 0.25rem;
}

.tag:hover {
    background: var(--color-border);
    text-decoration: none;
}

/* Sidebar */
.sidebar {
    font-size: 0.875rem;
}

.backlinks h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.backlinks ul {
    list-style: none;
}

.backlinks li {
    padding: 0.375rem 0;
}

.backlinks .source-type {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.backlinks .more {
    color: var(--color-text-muted);
    font-style: italic;
}

.backlinks .source-meta {
    display: block;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 0.125rem;
}

.backlinks .source-domain {
    font-weight: 500;
}

.backlinks .source-domain::after {
    content: ' · ';
}

.backlinks .backlink-date {
    /* inherits from source-meta */
}

/* Backlinks in main content (entity pages) */
.backlinks-main {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.backlinks-main h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.backlinks-main .backlinks-list {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.backlinks-main .backlinks-list li {
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border-radius: 6px;
    border: 1px solid var(--color-border);
}

.backlinks-main .backlinks-list li:hover {
    border-color: var(--color-accent);
}

.backlinks-main .backlinks-list a {
    font-weight: 500;
}

.backlinks-main .source-meta {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.backlinks-main .source-domain {
    font-weight: 500;
}

.backlinks-main .source-domain::after {
    content: ' · ';
}

.backlinks-main .more {
    color: var(--color-text-muted);
    font-style: italic;
    background: none;
    border: none;
    padding: 0.5rem 0;
}

.backlinks-main .backlink-title {
    display: block;
    margin-bottom: 0.25rem;
}

.backlinks-main .backlink-context {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    font-style: italic;
    line-height: 1.5;
}

.backlinks-main .backlink-summary {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    line-height: 1.5;
}

/* Related Articles */
.related-articles {
    margin-bottom: 2rem;
}

.related-articles h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.related-articles ul {
    list-style: none;
}

.related-articles li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.related-articles li:last-child {
    border-bottom: none;
}

.related-articles .source-meta {
    display: block;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 0.125rem;
}

.related-articles .source-domain {
    font-weight: 500;
}

.related-articles .source-domain::after {
    content: ' · ';
}

.related-articles .date {
    /* inherits from source-meta */
}

/* Search Page */
.search-header {
    margin-bottom: 2rem;
}

.search-header h1 {
    margin-bottom: 1rem;
}

.search-form-large {
    display: flex;
    gap: 0.5rem;
    max-width: 600px;
}

.search-form-large input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1rem;
}

.search-form-large button {
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

.results-count {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.results-list {
    list-style: none;
}

.result-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.result-type {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    padding: 0.125rem 0.5rem;
    border-radius: 3px;
    margin-right: 0.5rem;
}

.result-item.article .result-type {
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-article);
}

.result-item.entity .result-type {
    background: rgba(21, 101, 192, 0.1);
    color: var(--color-entity);
}

.result-title {
    font-weight: 500;
}

.result-summary {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.no-results {
    color: var(--color-text-muted);
    padding: 2rem;
    text-align: center;
}

/* Tag Page */
.tag-header {
    margin-bottom: 2rem;
}

.tag-header h1 {
    margin-bottom: 0.25rem;
}

.tag-count {
    color: var(--color-text-muted);
}

.tag-section {
    margin-bottom: 2rem;
}

.tag-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Stats Page */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-accent);
}

.stat-label {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.recent-section h2 {
    margin-bottom: 1rem;
}

.recent-section .object-type {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
}

.recent-section .updated {
    float: right;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Error Page */
.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50vh;
}

.error-content {
    text-align: center;
}

.error-content h1 {
    font-size: 6rem;
    color: var(--color-text-muted);
}

.error-content p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: white;
    border-radius: 4px;
}

.btn:hover {
    text-decoration: none;
    opacity: 0.9;
}

/* Archive Pages (Author/Date) */
.archive-page {
    max-width: var(--content-width);
}

.archive-header {
    margin-bottom: 2rem;
}

.archive-header h1 {
    margin-bottom: 0.25rem;
}

.archive-count {
    color: var(--color-text-muted);
}

.archive-content .object-list li {
    padding: 1rem 0;
}

.archive-content .article-meta {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.archive-content .article-meta .source-domain {
    font-weight: 500;
}

.archive-content .article-meta .source-domain::after,
.archive-content .article-meta .date::after {
    content: ' \00b7 ';
}

.archive-content .article-meta span:last-child::after {
    content: '';
}

/* Related Entities (Entity Sidebar) */
.related-entities {
    margin-bottom: 2rem;
}

.related-entities h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.related-entities ul {
    list-style: none;
}

.related-entities li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.related-entities li:last-child {
    border-bottom: none;
}

.related-entities .entity-meta {
    display: block;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 0.125rem;
}

.related-entities .entity-type {
    background: var(--color-bg);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    margin-right: 0.5rem;
}

.related-entities .shared-count {
    font-style: italic;
}

/* Article meta links */
.article-meta a {
    color: inherit;
    text-decoration: none;
}

.article-meta a:hover {
    color: var(--color-link);
    text-decoration: underline;
}