:root {
  --ink: #2a2420;
  --ink-soft: #574f47;
  --paper: #fdfbf7;
  --paper-alt: #f3ede2;
  --line: #ddd2c0;
  --accent: #7a3b2e;
  --accent-soft: #f0e2da;
  --radius: 6px;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

h1, h2, h3 { line-height: 1.25; }

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper-alt);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  flex-wrap: wrap;
}
.site-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.site-nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--accent); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.4rem 0.75rem;
  font-family: inherit;
  cursor: pointer;
}

main.wrap {
  padding-top: 2rem;
  padding-bottom: 3rem;
  min-height: 60vh;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-alt);
  padding: 1.5rem 0;
  margin-top: 2rem;
}
.site-footer p { margin: 0.25rem 0; font-size: 0.9rem; color: var(--ink-soft); }
.fine-print { font-size: 0.8rem; }

/* Hero / intro */
.hero {
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}
.hero h1 { font-size: 2.1rem; margin-bottom: 0.5rem; }
.hero .tagline { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.75rem; }
.hero p { max-width: 65ch; color: var(--ink-soft); font-size: 1.05rem; }

.section-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.section-links a {
  display: block;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  background: var(--paper-alt);
}
.section-links a:hover { border-color: var(--accent); }
.section-links strong { display: block; font-size: 1.1rem; margin-bottom: 0.25rem; }
.section-links span { color: var(--ink-soft); font-size: 0.9rem; }

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0 0.5rem;
}
.filter-bar input,
.filter-bar select {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}
.filter-bar input[type="text"] { flex: 1 1 240px; }
.button-secondary {
  cursor: pointer;
  background: var(--paper-alt);
}
.filter-count {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

/* Item grid */
.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}
.item-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-alt);
  transition: border-color 0.15s ease;
}
.item-card:hover { border-color: var(--accent); }
.item-card-link { display: block; color: inherit; text-decoration: none; }
.item-card-thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--line);
}
.item-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.item-card-body { padding: 0.9rem 1rem 1.1rem; }
.item-card-body h3 { margin: 0.35rem 0 0.3rem; font-size: 1.05rem; }
.item-card-meta { margin: 0 0 0.4rem; font-size: 0.8rem; color: var(--ink-soft); }
.item-card-desc { margin: 0; font-size: 0.9rem; color: var(--ink-soft); }
.item-card[hidden] { display: none; }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: system-ui, sans-serif;
}
.badge-document { background: var(--accent-soft); color: var(--accent); }
.badge-map { background: #e1ead9; color: #3d6b2c; }
.badge-article { background: #dbe6ef; color: #2c5170; }
.badge-book { background: #e8ddf0; color: #5b3a80; }
.badge-link { background: #e6e2da; color: #5c554a; }

/* Item detail page */
.item-detail { max-width: 75ch; }
.breadcrumb { font-size: 0.9rem; }
.breadcrumb a { text-decoration: none; }
.item-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin: 1.25rem 0;
  padding: 1rem;
  background: var(--paper-alt);
  border-radius: var(--radius);
}
.item-meta > div { display: flex; gap: 0.5rem; }
.item-meta dt {
  font-weight: 700;
  min-width: 9rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.item-meta dd { margin: 0; }
.tag {
  display: inline-block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  font-size: 0.8rem;
  margin: 0 0.3rem 0.3rem 0;
}
.item-detail-image {
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 1rem;
}
.button {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.55rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.9rem;
}
.button:hover { opacity: 0.9; }
.item-body { margin-top: 1.5rem; }
.item-body table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
  margin: 1rem 0;
}
.item-body .table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
}
.item-body .table-wrap table { margin: 0; }
.item-body th,
.item-body td {
  border: 1px solid var(--line);
  padding: 0.4rem 0.6rem;
  text-align: left;
  vertical-align: top;
}
.item-body th {
  background: var(--paper-alt);
  white-space: nowrap;
}

/* Timeline */
.timeline {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  border-left: 2px solid var(--line);
}
.timeline-entry {
  position: relative;
  padding: 0 0 1.1rem 1.25rem;
}
.timeline-entry::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.35rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline-date {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 0.1rem;
}
.timeline-label a { font-weight: 600; }
.timeline-source { color: var(--ink-soft); font-size: 0.9rem; }

/* Responsive nav */
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
    margin-top: 0.75rem;
  }
  .site-nav.is-open { display: flex; }
}