/* Meridian Atlas Theme: cartographic chart, parchment field, teal ink */

:root {
  --parchment: #f4ead5;
  --parchment-deep: #e8dcc4;
  --ink: #1a3d3d;
  --teal: #1a5f5f;
  --teal-light: #2a8a8a;
  --copper: #c47a3a;
  --grid: rgba(26, 95, 95, 0.18);
  --bg: var(--parchment);
  --text: var(--ink);
  --accent: var(--teal);
  --muted: #5a6e6e;
  --chart-line: rgba(26, 61, 61, 0.35);
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    radial-gradient(ellipse at 75% 15%, rgba(42, 138, 138, 0.08) 0%, transparent 55%);
  background-size: 48px 48px, 48px 48px, 100% 100%;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.65;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 1.75rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink);
  line-height: 1.25;
}

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

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

.site-header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--chart-line);
  background: rgba(244, 234, 213, 0.92);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-serif);
  font-weight: bold;
  font-size: 1.15rem;
  color: var(--ink);
}

.brand img { width: 36px; height: 36px; }

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav a[aria-current="page"] {
  color: var(--teal);
  border-bottom: 2px solid var(--copper);
}

.page-hero {
  padding: 4.5rem 0 2.5rem;
}

.eyebrow {
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
}

.page-title {
  font-size: clamp(2.2rem, 5vw, 3.25rem);
  margin: 0 0 1rem;
  max-width: 18ch;
}

.page-summary {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 42rem;
}

.chart-intro {
  margin: 2rem 0 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.atlas-sheet {
  margin: 2rem 0 4rem;
  border: 2px solid var(--chart-line);
  background: rgba(255, 252, 245, 0.7);
  position: relative;
}

.atlas-sheet::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed var(--grid);
  pointer-events: none;
}

.compass-rose {
  width: 72px;
  height: 72px;
  margin: 1.5rem auto 0;
  border: 1px solid var(--chart-line);
  border-radius: 50%;
  background:
    conic-gradient(from 0deg, transparent 0 22.5deg, var(--teal-light) 22.5deg 45deg, transparent 45deg 67.5deg, var(--teal-light) 67.5deg 90deg, transparent 90deg 112.5deg, var(--teal-light) 112.5deg 135deg, transparent 135deg 157.5deg, var(--teal-light) 157.5deg 180deg, transparent 180deg 202.5deg, var(--teal-light) 202.5deg 225deg, transparent 225deg 247.5deg, var(--teal-light) 247.5deg 270deg, transparent 270deg 292.5deg, var(--teal-light) 292.5deg 315deg, transparent 315deg 337.5deg, var(--teal-light) 337.5deg 360deg);
  opacity: 0.35;
}

.meridian-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.meridian-table th,
.meridian-table td {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--chart-line);
  text-align: left;
  vertical-align: top;
}

.meridian-table th {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(26, 95, 95, 0.06);
}

.meridian-table .coord {
  font-variant-numeric: tabular-nums;
  color: var(--copper);
  white-space: nowrap;
  font-size: 0.85rem;
}

.meridian-table .layer-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

.legend-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 1.25rem 1.25rem;
  border-top: 2px solid var(--chart-line);
  font-size: 0.8rem;
  color: var(--muted);
}

.legend-strip span::before {
  content: "◆ ";
  color: var(--copper);
}

.panel-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0 5rem;
}

.chart-panel {
  padding: 1.5rem;
  border: 1px solid var(--chart-line);
  background: rgba(255, 252, 245, 0.85);
}

.chart-panel h2 {
  font-size: 1.35rem;
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--grid);
}

.glass-card,
.chart-panel .excerpt {
  padding: 1.25rem;
  border-left: 3px solid var(--teal);
  background: rgba(26, 95, 95, 0.05);
  margin: 1rem 0;
}

.prose { margin-bottom: 5rem; }

.prose h2 {
  font-size: 1.75rem;
  margin: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--chart-line);
  padding-bottom: 0.4rem;
}

.prose p { margin-bottom: 1.25rem; }

blockquote {
  margin: 2rem 0;
  padding: 1.5rem;
  border-left: 4px solid var(--copper);
  background: rgba(196, 122, 58, 0.08);
  font-family: var(--font-serif);
  font-style: italic;
}

.method-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 2rem 0 4rem;
}

.method-steps li {
  counter-increment: step;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  border: 1px solid var(--chart-line);
  margin-bottom: 0.75rem;
  position: relative;
  background: rgba(255, 252, 245, 0.7);
}

.method-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  font-family: var(--font-serif);
  color: var(--copper);
  font-weight: bold;
}

.method-steps h2 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  border: none;
  padding: 0;
}

.archive-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 4rem;
}

.archive-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--chart-line);
  margin-bottom: 0.65rem;
  background: rgba(255, 252, 245, 0.75);
}

.archive-info h3 { margin: 0 0 0.2rem; font-size: 1.1rem; }

.archive-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.fact {
  padding: 1rem;
  border: 1px solid var(--chart-line);
  background: rgba(255, 252, 245, 0.8);
}

.fact b {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.35rem;
}

.status {
  display: inline-flex;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--chart-line);
  border-radius: 2px;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.status.live {
  border-color: var(--teal);
  color: var(--teal);
}

.status.pending {
  border-color: var(--copper);
  color: var(--copper);
}

.button {
  display: inline-flex;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--teal);
  color: var(--ink);
  font-size: 0.85rem;
  background: rgba(26, 95, 95, 0.08);
}

.transcript .speech {
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--chart-line);
}

.transcript .speech.human { border-left-color: var(--copper); }
.transcript .speech.ai { border-left-color: var(--teal); }

.speaker {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.hidden-origin {
  background: var(--parchment-deep);
}

.hidden-origin .notice {
  padding: 1rem;
  border: 1px dashed var(--copper);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.site-footer {
  margin-top: auto;
  padding: 2.5rem 2rem;
  border-top: 2px solid var(--chart-line);
  color: var(--muted);
  font-size: 0.78rem;
  background: rgba(232, 220, 196, 0.5);
}

.footer-inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--teal);
  color: var(--parchment);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus { top: 0; }

@media (max-width: 640px) {
  .site-header { flex-direction: column; gap: 1rem; text-align: center; }
  .archive-item { flex-direction: column; align-items: flex-start; }
  .meridian-table th, .meridian-table td { padding: 0.75rem; }
}