/* Wikki.org — Regional Data Repository */
:root {
  --repo-bg: #f0f2f5;
  --repo-surface: #ffffff;
  --repo-ink: #1e293b;
  --repo-muted: #64748b;
  --repo-border: #cbd5e1;
  --repo-accent: #0f4c81;
  --repo-accent-light: #e8f1fa;
  --repo-tag: #0d9488;
  --repo-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
  --trust-blue: #0070ba;
  --margin-block: 28px;
  --touch-min: 44px;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--repo-ink);
  background: var(--repo-bg);
  line-height: 1.65;
  background-image:
    linear-gradient(rgba(15, 76, 129, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 76, 129, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

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

h1, h2, h3 { color: var(--repo-ink); }

/* ── Header ── */
header {
  background: var(--repo-ink);
  color: #e2e8f0;
  border-bottom: 3px solid var(--repo-tag);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px var(--margin-block);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand-block { display: flex; flex-direction: column; gap: 2px; }

header .brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-family: var(--repo-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--repo-tag);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

nav a {
  color: #94a3b8;
  font-size: 0.85rem;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  padding: 0 6px;
  font-family: var(--repo-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

nav a:hover { color: #fff; text-decoration: none; }

/* ── Layout ── */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--margin-block);
}

.repo-hero {
  background: var(--repo-surface);
  border: 1px solid var(--repo-border);
  border-radius: var(--radius);
  padding: calc(var(--margin-block) * 1.25);
  margin-bottom: var(--margin-block);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.repo-hero h1 {
  font-size: 1.75rem;
  margin: 0 0 8px;
  font-weight: 700;
}

.repo-hero .repo-id {
  font-family: var(--repo-mono);
  font-size: 0.75rem;
  color: var(--repo-muted);
  margin-bottom: 16px;
}

.repo-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--repo-border);
}

.stat-card {
  background: var(--repo-accent-light);
  border: 1px solid var(--repo-border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.stat-card .stat-value {
  font-family: var(--repo-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--repo-accent);
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--repo-muted);
  margin-top: 4px;
}

.ai-summary {
  background: var(--repo-surface);
  border: 1px solid var(--repo-border);
  border-left: 4px solid var(--repo-tag);
  padding: 16px 20px;
  margin-bottom: var(--margin-block);
  font-size: 0.92rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.repo-section-label {
  font-family: var(--repo-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--repo-muted);
  margin: calc(var(--margin-block) * 1.5) 0 12px;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin: 0 0 var(--margin-block);
}

h2 {
  font-size: 1.25rem;
  margin: calc(var(--margin-block) * 1.5) 0 var(--margin-block);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--repo-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

h2::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--repo-tag);
  border-radius: 1px;
  flex-shrink: 0;
}

h3 {
  font-size: 1.05rem;
  margin: var(--margin-block) 0 12px;
  color: var(--repo-accent);
}

p, ul, ol { margin: 0 0 var(--margin-block); }
ul, ol { padding-left: 1.4rem; }

/* ── Dataset catalog ── */
.dataset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: calc(var(--margin-block) * 1.5);
}

.dataset-card {
  background: var(--repo-surface);
  border: 1px solid var(--repo-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dataset-card:hover {
  border-color: var(--repo-accent);
  box-shadow: 0 4px 12px rgba(15, 76, 129, 0.1);
  text-decoration: none;
}

.dataset-card .ds-id {
  font-family: var(--repo-mono);
  font-size: 0.68rem;
  color: var(--repo-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dataset-card .ds-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--repo-ink);
}

.dataset-card .ds-meta {
  font-size: 0.8rem;
  color: var(--repo-muted);
  margin-top: auto;
}

.dataset-card .ds-tag {
  display: inline-block;
  font-family: var(--repo-mono);
  font-size: 0.65rem;
  padding: 3px 8px;
  background: var(--repo-accent-light);
  color: var(--repo-accent);
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Data tables ── */
.repo-table-wrap {
  overflow-x: auto;
  margin-bottom: var(--margin-block);
  border: 1px solid var(--repo-border);
  border-radius: var(--radius);
  background: var(--repo-surface);
}

.repo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.repo-table th {
  background: var(--repo-ink);
  color: #e2e8f0;
  font-family: var(--repo-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
}

.repo-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--repo-border);
  vertical-align: top;
}

.repo-table tr:last-child td { border-bottom: none; }
.repo-table tr:nth-child(even) td { background: #f8fafc; }

.repo-table .mono {
  font-family: var(--repo-mono);
  font-size: 0.82rem;
  color: var(--repo-muted);
}

.repo-table .status-live {
  color: var(--repo-tag);
  font-family: var(--repo-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

/* ── Content panels ── */
.content-panel {
  background: var(--repo-surface);
  border: 1px solid var(--repo-border);
  border-radius: var(--radius);
  padding: calc(var(--margin-block) * 1.1);
  margin-bottom: var(--margin-block);
}

.content-panel h2:first-child { margin-top: 0; }

.ad-container-leaderboard,
.ad-container-responsive {
  min-height: 100px;
  margin: var(--margin-block) 0;
  padding: 12px;
  background: var(--repo-surface);
  border: 1px solid var(--repo-border);
  border-radius: var(--radius);
  text-align: center;
  overflow: hidden;
}

.ad-container-responsive { min-height: 280px; }

.author-bio,
.repo-meta-block {
  background: var(--repo-surface);
  border: 1px solid var(--repo-border);
  border-left: 4px solid var(--repo-accent);
  padding: 20px;
  margin: calc(var(--margin-block) * 1.5) 0;
  font-size: 0.9rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.repo-meta-block .meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-family: var(--repo-mono);
  font-size: 0.78rem;
  color: var(--repo-muted);
  margin-bottom: 12px;
}

/* ── Footer ── */
footer {
  background: var(--repo-ink);
  color: #94a3b8;
  padding: calc(var(--margin-block) * 1.5) var(--margin-block);
  margin-top: calc(var(--margin-block) * 2);
  font-size: 0.85rem;
  border-top: 3px solid var(--repo-tag);
}

footer .footer-inner { max-width: 1100px; margin: 0 auto; }

.sovereign-block-a {
  background: #fff;
  border: 2px solid var(--trust-blue);
  border-radius: var(--radius);
  padding: var(--margin-block);
  margin-bottom: var(--margin-block);
  color: var(--repo-ink);
}

.sovereign-block-a .kicker {
  font-family: var(--repo-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--repo-muted);
  margin-bottom: 16px;
}

.payment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.payment-actions > div,
.payment-actions a,
.payment-actions iframe {
  min-height: var(--touch-min);
  min-width: var(--touch-min);
}

footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 16px;
}

footer a {
  color: #cbd5e1;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  font-family: var(--repo-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sovereign-block-b {
  border-top: 1px solid #334155;
  padding-top: 16px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.ymyl-disclaimer {
  border-top: 1px solid #334155;
  padding-top: 16px;
  font-size: 0.78rem;
  line-height: 1.5;
  color: #64748b;
}

.contact-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  max-width: 520px;
  padding: 12px;
  margin-bottom: 16px;
  border: 1px solid var(--repo-border);
  border-radius: var(--radius);
  font-size: 1rem;
  min-height: var(--touch-min);
  background: var(--repo-surface);
  font-family: inherit;
}

.contact-form button {
  background: var(--repo-accent);
  color: #fff;
  border: none;
  padding: 12px 28px;
  font-size: 0.9rem;
  border-radius: var(--radius);
  cursor: pointer;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  font-family: var(--repo-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.error-page {
  text-align: center;
  padding: 80px var(--margin-block);
  background: var(--repo-surface);
  border: 1px solid var(--repo-border);
  border-radius: var(--radius);
}

.error-page h1 {
  font-family: var(--repo-mono);
  font-size: 5rem;
  margin-bottom: 12px;
  color: var(--repo-accent);
}

.error-code {
  font-family: var(--repo-mono);
  font-size: 0.8rem;
  color: var(--repo-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (max-width: 600px) {
  h1 { font-size: 1.4rem; }
  main { padding: 20px 16px; }
  .repo-stats { grid-template-columns: 1fr 1fr; }
}