/* === Variables === */
:root {
  --color-bg: #faf9f7;
  --color-text: #1a1a1a;
  --color-muted: #666;
  --color-border: #ddd;
  --color-accent: #8b4513; /* saddle brown — old-newsroom feel */
  --color-accent-hover: #6b3410;
  --color-badge-bg: #f0e8dc;
  --color-badge-text: #7a3c10;
  --color-card-bg: #fff;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --max-width: 900px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === Layout === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}
main.container { flex: 1; padding-top: 2rem; padding-bottom: 3rem; }

/* === Header === */
.site-header {
  background: var(--color-accent);
  color: #fff;
  padding: 1rem 0;
  border-bottom: 3px solid var(--color-accent-hover);
}
.site-header .container {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.site-title {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-serif);
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
}
.site-title:hover { text-decoration: underline; }
.site-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  flex: 1;
}
.site-nav { margin-left: auto; display: flex; gap: 1.25rem; }
.site-nav a { color: rgba(255,255,255,0.9); text-decoration: none; font-size: 0.9rem; font-weight: 500; }
.site-nav a:hover { color: #fff; text-decoration: underline; }

/* === Footer === */
.site-footer {
  background: #f0ebe3;
  border-top: 1px solid var(--color-border);
  padding: 1rem 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}
.site-footer a { color: var(--color-accent); }

/* === Page header === */
.page-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-border);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.page-header h1 {
  font-size: 1.5rem;
  font-family: var(--font-serif);
  font-weight: 700;
}
.count { font-size: 1rem; font-weight: 400; color: var(--color-muted); }

/* === Filters === */
.filters {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  flex-wrap: wrap;
  margin-left: auto;
}
.filters label { color: var(--color-muted); }
.filters select {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #fff;
  font-size: 0.875rem;
  cursor: pointer;
}

/* === Article cards === */
.article-list { display: flex; flex-direction: column; gap: 1.25rem; }
.article-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  transition: border-color 0.15s;
}
.article-card:hover { border-color: var(--color-accent); }
.article-card__title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.35rem; }
.article-card__title a { color: var(--color-text); text-decoration: none; }
.article-card__title a:hover { color: var(--color-accent); text-decoration: underline; }
.article-card__meta {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
  display: flex;
  gap: 1rem;
}
.article-card__summary {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 0.5rem;
}

/* === Badges === */
.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  background: var(--color-badge-bg);
  color: var(--color-badge-text);
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  margin: 0 0.25rem 0.25rem 0;
}
.badge:hover { background: var(--color-badge-text); color: #fff; }

/* === Topic grid === */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.topic-card {
  display: block;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.topic-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(139,69,19,0.1);
}
.topic-card h2 { font-size: 1rem; font-weight: 600; margin-bottom: 0.25rem; }
.topic-count { font-size: 0.82rem; color: var(--color-muted); }

/* === Back link === */
.back-link { font-size: 0.875rem; color: var(--color-accent); text-decoration: none; }
.back-link:hover { text-decoration: underline; }

/* === Article detail === */
.article-page main.container {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 700px) {
  .article-page main.container { grid-template-columns: 1fr; }
}

.article-detail { min-width: 0; }
.article-header { margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 2px solid var(--color-border); }
.article-header h1 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}
.article-byline {
  font-size: 0.875rem;
  color: var(--color-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 0.75rem;
}
.author { font-weight: 600; color: var(--color-text); }
.author-title { font-style: italic; }
.article-json-link {
  font-size: 0.8rem;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.1rem 0.45rem;
  text-decoration: none;
}
.article-json-link:hover { color: var(--color-accent); border-color: var(--color-accent); }

.article-summary {
  background: #f5f0e8;
  border-left: 3px solid var(--color-accent);
  padding: 0.875rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  border-radius: 0 4px 4px 0;
}

.article-body {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: #222;
}
.article-body p { margin-bottom: 1.1rem; }

/* === Similar articles === */
.similar-articles {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.25rem;
  position: sticky;
  top: 1.5rem;
}
.similar-articles h3 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}
.similar-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.similar-item { font-size: 0.875rem; }
.similar-item a { color: var(--color-text); text-decoration: none; font-weight: 500; }
.similar-item a:hover { color: var(--color-accent); text-decoration: underline; }
.similar-meta { display: block; font-size: 0.78rem; color: var(--color-muted); margin-top: 0.1rem; }

/* === Article nav === */
.article-nav {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
}
.article-nav a { color: var(--color-accent); text-decoration: none; max-width: 45%; }
.article-nav a:hover { text-decoration: underline; }
.article-nav__next { text-align: right; margin-left: auto; }

/* === Search === */
.search-box { margin-bottom: 1.5rem; }
#search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1.1rem;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  background: #fff;
  color: var(--color-text);
  outline: none;
  margin-bottom: 0.5rem;
}
#search-input:focus { border-color: var(--color-accent); }
.search-hint { font-size: 0.82rem; color: var(--color-muted); }

.search-placeholder, .no-results { color: var(--color-muted); font-style: italic; }
.result-count { font-size: 0.875rem; color: var(--color-muted); margin-bottom: 1rem; }
.search-results .article-card { margin-bottom: 0; }

/* === Data page === */
.data-page h2 { margin: 1.5rem 0 0.75rem; }
.data-page ul { margin: 0 0 1rem 1.25rem; }
.data-page li { margin-bottom: 0.5rem; }
.data-page pre {
  background: #f5f0e8;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.875rem 1rem;
  overflow-x: auto;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.table-wrap { overflow-x: auto; margin-bottom: 1rem; }
.field-table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
.field-table th, .field-table td {
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}
.field-table th { background: #f5f0e8; }

/* === Responsive === */
@media (max-width: 600px) {
  .site-header .container { flex-direction: column; gap: 0.35rem; }
  .site-nav { margin-left: 0; }
  .page-header { flex-direction: column; }
  .filters { margin-left: 0; }
  .article-header h1 { font-size: 1.4rem; }
}