:root {
  --bg: #f3f1eb;
  --panel: #ffffff;
  --ink: #16130f;
  --muted: #5f5a52;
  --brand: #0f5f6d;
  --brand-2: #1e88a8;
  --border: #d5cabb;
  --shadow: 0 12px 30px rgba(10, 19, 24, 0.12);
  --radius: 14px;
  --maxw: 1100px;
  --mark: #ffe9a2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Merriweather Sans", "Trebuchet MS", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, #e7d9c6 0%, transparent 32%),
    radial-gradient(circle at 85% 20%, #d8ecf4 0%, transparent 28%),
    var(--bg);
  line-height: 1.6;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  max-width: var(--maxw);
  margin: 24px auto 12px;
  padding: 34px;
  background: linear-gradient(140deg, #173b4a 0%, #1b6e79 50%, #2a90a9 100%);
  color: #f6fffa;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  opacity: 0.95;
}

h1 {
  margin: 12px 0 8px;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.lead {
  margin: 0 0 16px;
  max-width: 70ch;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-meta + .hero-meta {
  margin-top: 8px;
}

.pill {
  color: #edf8ff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  transition: background 0.2s ease;
}

.pill:hover {
  background: rgba(255, 255, 255, 0.15);
}

.controls {
  max-width: var(--maxw);
  margin: 14px auto 0;
  padding: 14px;
  display: grid;
  gap: 12px;
}

input[type="search"] {
  border: 1px solid var(--border);
  background: #fffdf9;
  border-radius: 12px;
  padding: 11px 14px;
  font-size: 1rem;
  outline: none;
}

input[type="search"]:focus {
  box-shadow: 0 0 0 3px rgba(15, 95, 109, 0.18);
  border-color: var(--brand);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  border: 1px solid var(--border);
  background: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
}

.chip.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.social-link {
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.layout {
  max-width: var(--maxw);
  margin: 10px auto 34px;
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 18px;
  padding: 0 12px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 12px;
}

.toc a {
  display: block;
  color: var(--ink);
  text-decoration: none;
  margin: 8px 0;
}

.toc a.active {
  color: var(--brand);
  font-weight: 700;
}

.progress-wrap {
  height: 6px;
  background: rgba(15, 95, 109, 0.2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}

#progress-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.content-block h2 {
  margin-top: 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.fact-grid,
.timeline {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.fact-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.mini,
.register,
.case-card {
  background: #fcfaf7;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.register-grid,
.case-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 12px;
}

.timeline {
  background: #f8f8f4;
  border-left: 4px solid var(--brand);
  padding: 10px 12px;
}

.compact-list {
  padding-left: 20px;
}

.compact-list li {
  margin: 6px 0;
}

#search-hint {
  margin: 0;
  color: var(--muted);
  min-height: 1.2rem;
  font-size: 0.95rem;
}

mark {
  background: var(--mark);
  padding: 0;
}

.hidden {
  display: none !important;
}

.attachment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.cta {
  display: inline-block;
  border: 1px solid var(--border);
  background: #f7fbfc;
  color: var(--ink);
  border-radius: 10px;
  text-decoration: none;
  padding: 8px 12px;
  font-weight: 600;
}

.cta:hover {
  background: #ffffff;
}

.ghost {
  background: #fbf6ed;
}

.pdf-frame {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.pdf-frame iframe {
  width: 100%;
  min-height: 560px;
  border: 0;
  display: block;
  background: #fff;
}

details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 8px;
  background: #fcfcf8;
}

details summary {
  cursor: pointer;
  font-weight: 600;
}

.footer-callout {
  max-width: var(--maxw);
  margin: 0 auto 28px;
}

.footer-callout a {
  color: #0e4350;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .toc {
    position: static;
  }
}

@media (max-width: 700px) {
  .hero {
    margin: 12px 8px 8px;
    padding: 24px;
  }

  .pdf-frame iframe {
    min-height: 420px;
  }

  .hero-meta {
    gap: 8px;
  }
}