:root {
  --bg: #f7efe2;
  --ink: #172026;
  --ink-muted: #42515c;
  --panel: #fffdf9;
  --line: #c8b6a1;
  --accent: #a34f2f;
  --accent-soft: #f4dfce;
  --accent-alt: #1e6f66;
  --radius: 14px;
  --shadow: 0 14px 30px rgba(36, 20, 4, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "IBM Plex Sans", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 600px at 12% -5%, #ffe4cc 0%, transparent 55%),
              radial-gradient(900px 500px at 100% 12%, #dcefe9 0%, transparent 52%),
              var(--bg);
  line-height: 1.55;
}
.bg-layer { position: fixed; inset: 0; pointer-events: none; z-index: -1; }
.bg-layer-one { background: linear-gradient(135deg, rgba(163,79,47,0.06), transparent 40%); }
.bg-layer-two { background: linear-gradient(310deg, rgba(30,111,102,0.08), transparent 45%); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(8px);
  background: rgba(247, 239, 226, 0.88);
  border-bottom: 1px solid rgba(163, 79, 47, 0.18);
}
.site-nav {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.25rem;
}
.site-nav a { color: var(--ink); text-decoration: none; }
.site-nav a:hover { color: var(--accent); }
.brand {
  font-family: "Fraunces", "Georgia", serif;
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: 0.01em;
}
.nav-links { display: flex; gap: 1rem; flex-wrap: wrap; font-weight: 500; }
.container { max-width: 1160px; margin: 0 auto; padding: 1.25rem; }
.shell { display: grid; gap: 1.2rem; }
.hero {
  background: linear-gradient(150deg, #1f403d 0%, #285552 35%, #a34f2f 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
}
.hero-compact { padding: 1.35rem 1.2rem; }
.hero h1 {
  font-family: "Fraunces", "Georgia", serif;
  margin: 0.15rem 0 0.45rem;
  line-height: 1.08;
  font-size: clamp(1.7rem, 2.8vw, 2.5rem);
}
.kicker {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.84;
  font-weight: 600;
}
.lede { margin: 0; color: rgba(255,255,255,0.9); max-width: 70ch; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.05rem 1.1rem;
  box-shadow: var(--shadow);
}
.toc-panel { position: sticky; top: 74px; z-index: 5; }
.toc-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.toc-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  text-decoration: none;
  background: #fffaf4;
}
.pager { display: flex; justify-content: space-between; gap: 0.75rem; }
.pager a { font-weight: 600; }
.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}
.filters label { display: grid; gap: 0.25rem; font-weight: 600; color: var(--ink-muted); }
.filters input, .filters select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  font: inherit;
  background: #fff;
}
select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 2rem;
  background-image:
    linear-gradient(45deg, transparent 50%, #5f4b3a 50%),
    linear-gradient(135deg, #5f4b3a 50%, transparent 50%),
    linear-gradient(to right, #ddc8af, #ddc8af);
  background-position:
    calc(100% - 15px) 50%,
    calc(100% - 10px) 50%,
    calc(100% - 2.1rem) 50%;
  background-size:
    6px 6px,
    6px 6px,
    1px 1.3rem;
  background-repeat: no-repeat;
  cursor: pointer;
}
h2, h3 {
  font-family: "Fraunces", "Georgia", serif;
  margin: 0.35rem 0 0.7rem;
  line-height: 1.2;
}
a { color: var(--accent-alt); text-decoration-thickness: 2px; text-underline-offset: 2px; }
a:hover { color: var(--accent); }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
}
.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem;
  background: #fffaf4;
  display: grid;
  gap: 0.4rem;
}
.card h3 { margin: 0; font-size: 1.05rem; }
.card p { margin: 0; color: var(--ink-muted); font-size: 0.94rem; }
.tag {
  justify-self: start;
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.22rem 0.55rem;
  border: 1px solid #d8b79a;
  background: var(--accent-soft);
  color: #7a331d;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.95rem;
}
.shot-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}
.artifact-frame {
  width: 100%;
  height: 320px;
  border: 0;
  background: #fff;
}
.artifact-body {
  padding: 0.65rem;
  display: grid;
  gap: 0.35rem;
}
.artifact-kind {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  font-weight: 700;
}
.artifact-link {
  font-weight: 600;
  word-break: break-word;
}
.artifact-desc {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}
.tab-bar { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 0.7rem; }
.tab-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0.34rem 0.66rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}
.tab-btn.active { background: var(--accent-soft); border-color: #d8b79a; }
.output-pane { display: none; }
.output-pane.active { display: block; }
.csv-preview { margin-top: 0.45rem; }
.csv-preview summary { cursor: pointer; font-weight: 600; }
.csv-preview-body { margin-top: 0.45rem; }
details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid #5f4b3a;
  border-bottom: 2px solid #5f4b3a;
  transform: rotate(-45deg);
  transition: transform 140ms ease;
  margin-top: -0.08rem;
  flex: 0 0 auto;
}
details[open] > summary::before {
  transform: rotate(45deg);
}
img { max-width: 100%; height: auto; display: block; }
figcaption {
  padding: 0.55rem 0.65rem;
  font-size: 0.82rem;
  color: var(--ink-muted);
  border-top: 1px solid var(--line);
}
.source-table, table { width: 100%; border-collapse: collapse; }
th, td {
  border: 1px solid var(--line);
  padding: 0.52rem 0.6rem;
  text-align: left;
  vertical-align: top;
}
th { background: #f4e5d2; font-weight: 700; }
.markdown h1, .markdown h2, .markdown h3 { margin-top: 1rem; }
.markdown p { margin: 0.65rem 0; }
.markdown ul, .markdown ol { margin: 0.45rem 0 0.65rem 1.2rem; }
.markdown table { margin: 0.8rem 0; }
pre.mermaid {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.6rem;
}
@media (max-width: 760px) {
  .site-nav { align-items: flex-start; flex-direction: column; }
  .nav-links { gap: 0.65rem; }
  .container { padding: 0.85rem; }
  .hero { padding: 1.2rem 0.95rem; }
  .toc-panel { position: static; }
  .pager { flex-direction: column; }
  .panel { padding: 0.85rem; }
  th, td { font-size: 0.9rem; }
}