:root {
  --ink: #141a2e;
  --ink-soft: #3d445c;
  --paper: #f4f6f8;
  --card: #ffffff;
  --line: #e2e8f0;
  --line-soft: #edf1f5;
  --navy: #141a2e;
  --navy-2: #242a44;
  --blue: #2563eb;
  --blue-dark: #1e40af;
  --met: #0a6e6e;
  --met-deep: #075353;
  --met-bg: #e2f2f2;
  --rx: #0f6d78;
  --rx-bg: #e6f2f3;
  --rx-deep: #0b525a;
  --amber: #c07d10;
  --amber-bg: #fbefd6;
  --danger: #bb2418;
  --danger-bg: #fbe0dc;
  --danger-deep: #8f1a11;
  --ok: #2f8f5b;
  --ok-bg: #e8f4ec;
  --verify-bg: #fdf3d8;
  --verify-border: #c9960f;
  --verify-ink: #7a5c06;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- NAV SHELL ---------- */
.navbar {
  background: var(--navy);
  padding: 0 16px;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  gap: 12px;
}

.navbar .brand {
  font-size: 17px;
  font-weight: 700;
  margin: 0;
  padding: 14px 0;
  white-space: nowrap;
  color: #fff;
  text-decoration: none;
}

.nav-search {
  flex: 1;
  max-width: 420px;
  position: relative;
  margin: 10px 0;
}

.nav-search input {
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 14px;
  font-family: inherit;
}

.nav-search input::placeholder { color: #9aa3b8; }
.nav-search input:focus {
  outline: none;
  background: rgba(255,255,255,0.14);
  border-color: var(--blue);
}

.nav-search .results {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--card);
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
  overflow: hidden;
  max-height: 60vh;
  overflow-y: auto;
  z-index: 30;
}

.nav-search .results.show { display: block; }

.nav-search .result-item {
  display: block;
  padding: 10px 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.nav-search .result-item:last-child { border-bottom: none; }
.nav-search .result-item:hover { background: var(--met-bg); }
.nav-search .result-item .rt { font-weight: 700; font-size: 13.5px; }
.nav-search .result-item .rc { font-size: 11.5px; color: var(--ink-soft); }
.nav-search .no-results { padding: 12px 14px; font-size: 13px; color: var(--ink-soft); }

.nav-home { color: #cbd5e1; text-decoration: none; font-size: 13px; font-weight: 600; white-space: nowrap; }
.nav-home:hover { color: #fff; }

.page { min-width: 0; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 22px 18px 60px; }

/* ---------- INDEX PAGE ---------- */
.index-hero {
  background: linear-gradient(120deg, var(--navy), var(--met-deep));
  color: #eef7f6;
  border-radius: 14px;
  padding: 26px 24px;
}
.index-hero h1 { margin: 0; font-size: 24px; }
.index-hero p { margin: 8px 0 0; color: #b9dede; font-size: 13.5px; max-width: 70ch; }

.cat-group { margin-top: 26px; }
.cat-group h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 12px;
}
.topic-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.topic-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--ink);
  transition: box-shadow 0.15s, border-color 0.15s;
}
.topic-card:hover { box-shadow: 0 8px 18px rgba(0,0,0,0.08); border-color: var(--met); }
.topic-card h3 { margin: 0 0 6px; font-size: 15px; color: var(--navy); }
.topic-card p { margin: 0; font-size: 12.5px; color: var(--ink-soft); }
.empty-state { padding: 40px 20px; text-align: center; color: var(--ink-soft); }

/* ---------- TOPIC PAGE ---------- */
.backnav { padding: 0 0 12px; }
.backnav a { color: var(--rx); text-decoration: none; font-weight: 600; font-size: 12.5px; }
.backnav a:hover { text-decoration: underline; }

header.mast {
  background: linear-gradient(120deg, var(--navy), var(--met-deep));
  color: #eef7f6;
  border-radius: 14px;
  padding: 22px 24px;
}
.mast .eyebrow { font-size: 11.5px; letter-spacing: 0.4px; text-transform: uppercase; color: #9fd6d2; margin: 0 0 4px; }
.mast h1 { margin: 0; font-size: 25px; line-height: 1.15; font-weight: 700; }
.mast .sub { margin: 7px 0 0; color: #cfe9e7; font-size: 13.5px; max-width: 82ch; }
.mast .source { margin-top: 12px; font-size: 11.5px; color: #9fd6d2; }

.jump {
  margin-top: 14px;
  background: var(--danger);
  color: #fff;
  border-radius: 12px;
  padding: 13px 16px;
}
.jump .jt { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.4px; opacity: 0.9; margin-bottom: 6px; }
.jump ul { margin: 0; padding-left: 18px; font-size: 13px; }
.jump li { margin: 4px 0; }

section.sec { margin-top: 26px; scroll-margin-top: 12px; }
.sec-h { display: flex; align-items: baseline; gap: 10px; margin: 0 0 12px; }
.sec-n {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 12.5px;
  color: #fff;
  background: var(--navy);
  border-radius: 6px;
  padding: 2px 8px;
  flex: none;
}
.sec-h h2 { margin: 0; font-size: 17px; letter-spacing: -0.2px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.card + .card { margin-top: 12px; }
.sub-h { font-size: 13.5px; font-weight: 700; color: var(--navy); margin: 16px 0 8px; padding-left: 10px; border-left: 3px solid var(--met); }
.sub-h:first-child { margin-top: 0; }

ul.plain, ol.plain { margin: 0; padding-left: 18px; font-size: 13px; }
ul.plain li, ol.plain li { margin: 5px 0; }

.alert { padding: 12px 14px; border-radius: 10px; font-size: 13px; line-height: 1.55; border-left: 5px solid; }
.alert-title { font-weight: 700; display: block; margin-bottom: 4px; }
.alert-danger { background: var(--danger-bg); border-color: var(--danger); color: var(--danger-deep); }
.alert-info { background: var(--met-bg); border-color: var(--met); color: #123939; }
.alert ul { margin: 6px 0 0 18px; padding: 0; }
.alert li { margin-bottom: 4px; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-top: 4px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
table.tbl th, table.tbl td { padding: 8px 10px; border-bottom: 1px solid var(--line-soft); text-align: left; vertical-align: top; }
table.tbl thead th { background: var(--navy); color: #fff; font-weight: 600; }
table.tbl tbody tr:last-child td { border-bottom: none; }
@media (max-width: 560px) { table.tbl { min-width: 480px; } }

.verify-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  background: var(--verify-bg);
  border: 1px solid var(--verify-border);
  color: var(--verify-ink);
  padding: 2px 8px;
  border-radius: 999px;
}
.verify-notice {
  background: var(--verify-bg);
  border: 1px solid var(--verify-border);
  border-left: 4px solid var(--verify-border);
  border-radius: 10px;
  padding: 11px 14px;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: var(--verify-ink);
}
.verify-notice b { color: #5c4505; }

.med-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fafbfc; }
.med-card + .med-card { margin-top: 10px; }
.med-card .mh { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.med-card .mh h4 { margin: 0; font-size: 14px; color: var(--navy); }
.med-card .row { font-size: 12.5px; margin: 4px 0; }
.med-card .row b { color: var(--navy); font-weight: 700; }

.pill-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.pill { font-size: 11px; font-weight: 600; background: var(--rx-bg); color: var(--rx-deep); border: 1px solid #bcd6d8; border-radius: 999px; padding: 3px 9px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 760px) { .two-col { grid-template-columns: 1fr; } }

.source-note {
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-top: 30px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  line-height: 1.6;
}

footer.site-footer {
  text-align: center;
  font-size: 12px;
  color: #888;
  margin: 24px 0 30px;
}

@media (min-width: 769px) {
  body { display: flex; }
  .navbar {
    flex-direction: column;
    align-items: stretch;
    width: 230px;
    flex: none;
    height: 100vh;
    position: sticky;
    top: 0;
    padding: 0 16px;
    gap: 6px;
  }
  .navbar .brand { padding: 20px 0 4px; }
  .nav-search { max-width: none; margin: 6px 0 14px; }
  .page { flex: 1; }
}