/* ============================================================
   Salsalate Patient Information — shared stylesheet
   Palette: clinical blue system, calm & high-contrast
   #0B3B52 ink / #1D6E8C primary / #4FA3C4 accent / #EAF3F6 panel / #FBFDFE bg
   ============================================================ */

:root {
  --ink: #0B3B52;
  --primary: #1D6E8C;
  --primary-dark: #145268;
  --accent: #4FA3C4;
  --accent-light: #EAF3F6;
  --bg: #FBFDFE;
  --card: #FFFFFF;
  --border: #D7E5EA;
  --text: #223338;
  --text-muted: #52686F;
  --warn-bg: #FDF1EC;
  --warn-border: #E8B9A4;
  --warn-text: #7A3419;
  --danger-bg: #FBEBEC;
  --danger-border: #E7AEB2;
  --danger-text: #7A2027;
  --ok-bg: #EEF6EF;
  --ok-border: #BBDBC0;
  --ok-text: #24522C;
  --focus: #B45309;
  --radius: 10px;
  --max-w: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

h1, h2, h3, h4 {
  font-family: "Manrope", "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.9rem, 4vw, 2.5rem); margin: 0 0 0.5rem; }
h2 { font-size: clamp(1.35rem, 3vw, 1.7rem); margin: 2.2rem 0 0.8rem; padding-top: 0.4rem; border-top: 1px solid var(--border); }
h2:first-of-type { border-top: none; padding-top: 0; }
h3 { font-size: 1.15rem; margin: 1.5rem 0 0.6rem; color: var(--primary-dark); }

p { margin: 0 0 1rem; }
a { color: var(--primary); text-decoration-thickness: 1.5px; text-underline-offset: 2px; }
a:hover { color: var(--primary-dark); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

ul, ol { margin: 0 0 1rem; padding-left: 1.4rem; }
li { margin-bottom: 0.4rem; }

/* Skip link */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: 0.6rem 1rem;
  z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 253, 254, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1.25rem; gap: 1rem;
}
.brand {
  display: flex; align-items: center; gap: 0.55rem;
  font-family: "Manrope", sans-serif; font-weight: 800;
  color: var(--ink); text-decoration: none; font-size: 1.05rem;
  white-space: nowrap;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(160deg, var(--primary), var(--ink));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.85rem; font-weight: 800; flex: none;
}
.main-nav { display: flex; }
.main-nav ul {
  list-style: none; display: flex; gap: 0.15rem;
  margin: 0; padding: 0; flex-wrap: wrap;
}
.main-nav a {
  display: block; padding: 0.5rem 0.7rem; border-radius: 7px;
  color: var(--text); text-decoration: none; font-size: 0.94rem; font-weight: 600;
}
.main-nav a:hover { background: var(--accent-light); color: var(--primary-dark); }
.main-nav a[aria-current="page"] {
  color: var(--primary-dark); background: var(--accent-light);
}
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border);
  border-radius: 7px; padding: 0.4rem 0.6rem; font-size: 1.1rem; cursor: pointer;
}

/* Breadcrumb */
.breadcrumb {
  max-width: var(--max-w); margin: 1rem auto 0; padding: 0 1.25rem;
  font-size: 0.86rem; color: var(--text-muted);
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.3rem; margin: 0; padding: 0; }
.breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 0.4rem; color: var(--border); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ---------- Layout ---------- */
main { display: block; }
.page-wrap {
  max-width: var(--max-w); margin: 0 auto; padding: 1.5rem 1.25rem 4rem;
}
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--primary);
  background: var(--accent-light); padding: 0.3rem 0.65rem; border-radius: 999px;
  margin-bottom: 0.9rem;
}
.lede { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 1.6rem; }

/* ---------- Callout panels ---------- */
.panel {
  border: 1px solid var(--border); background: var(--card);
  border-radius: var(--radius); padding: 1.1rem 1.3rem; margin: 1.4rem 0;
}
.panel-warn { background: var(--warn-bg); border-color: var(--warn-border); }
.panel-danger { background: var(--danger-bg); border-color: var(--danger-border); }
.panel-ok { background: var(--ok-bg); border-color: var(--ok-border); }
.panel-title {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 800; font-size: 0.98rem; margin-bottom: 0.4rem;
}
.panel-warn .panel-title { color: var(--warn-text); }
.panel-danger .panel-title { color: var(--danger-text); }
.panel-ok .panel-title { color: var(--ok-text); }
.panel p:last-child { margin-bottom: 0; }
.panel-icon { font-size: 1.1rem; }

/* ---------- Quick facts card (signature element) ---------- */
.quickfacts {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--accent-light), var(--card) 70%);
  padding: 1.2rem 1.3rem 0.4rem; margin: 1.6rem 0 2rem;
}
.quickfacts h2 {
  border-top: none; margin-top: 0; padding-top: 0; font-size: 1.05rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.quickfacts dl { display: grid; grid-template-columns: auto 1fr; gap: 0.35rem 1rem; margin: 0 0 0.8rem; }
.quickfacts dt { font-weight: 700; color: var(--primary-dark); white-space: nowrap; }
.quickfacts dd { margin: 0; color: var(--text); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 1.2rem 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
caption { text-align: left; font-weight: 700; color: var(--ink); margin-bottom: 0.5rem; }
th, td { text-align: left; padding: 0.65rem 0.8rem; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { background: var(--accent-light); color: var(--ink); font-weight: 700; }
tbody tr:hover { background: #F5FAFB; }

/* ---------- FAQ ---------- */
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 0.7rem; background: var(--card);
}
.faq-item summary {
  cursor: pointer; padding: 0.9rem 1.1rem; font-weight: 700; color: var(--ink);
  list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--primary); flex: none; }
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-answer { padding: 0 1.1rem 1rem; color: var(--text); }

/* ---------- Cards / grids ---------- */
.card-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin: 1.5rem 0; }
.card {
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--card);
  padding: 1.1rem 1.2rem; text-decoration: none; color: var(--text); display: block;
}
.card:hover { border-color: var(--accent); box-shadow: 0 4px 14px rgba(29, 110, 140, 0.08); }
.card h3 { margin-top: 0; color: var(--ink); }
.card p { margin-bottom: 0; color: var(--text-muted); font-size: 0.94rem; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border); background: var(--ink); color: #DCEAF0;
  margin-top: 3rem;
}
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 2.4rem 1.25rem 1.6rem; }
.footer-grid { display: grid; gap: 1.8rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-bottom: 1.6rem; }
.footer-grid h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 0.7rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 0.45rem; font-size: 0.92rem; }
.footer-grid a { color: #B9D6E1; text-decoration: none; }
.footer-grid a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15); padding-top: 1.1rem;
  font-size: 0.82rem; color: #9FC2CF; display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem; justify-content: space-between;
}
.footer-disclaimer {
  font-size: 0.82rem; color: #B9D6E1; max-width: 760px; margin-bottom: 1.4rem; line-height: 1.6;
}

/* ---------- Misc ---------- */
.reviewed-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; color: var(--text-muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 0.3rem 0.75rem; margin-top: 0.5rem;
}
.emergency-strip {
  background: var(--danger-bg); border-bottom: 1px solid var(--danger-border);
  color: var(--danger-text); text-align: center; font-size: 0.86rem; padding: 0.5rem 1rem;
}
.emergency-strip strong { color: var(--danger-text); }
.emergency-strip a { color: var(--danger-text); font-weight: 700; }
.toc { border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.3rem; background: var(--card); margin: 1.5rem 0; }
.toc h2 { margin-top: 0; border-top: none; padding-top: 0; font-size: 1rem; }
.toc ol { margin-bottom: 0; }
.btn {
  display: inline-block; background: var(--primary); color: #fff !important;
  padding: 0.75rem 1.4rem; border-radius: 8px; font-weight: 700; text-decoration: none;
  border: none; cursor: pointer; font-size: 1rem;
}
.btn:hover { background: var(--primary-dark); }
.btn-secondary { background: transparent; color: var(--primary) !important; border: 1.5px solid var(--primary); }
.btn-secondary:hover { background: var(--accent-light); }
.form-field { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.form-field label { font-weight: 700; color: var(--ink); font-size: 0.94rem; }
.form-field input, .form-field textarea, .form-field select {
  padding: 0.65rem 0.8rem; border: 1px solid var(--border); border-radius: 8px;
  font-size: 1rem; font-family: inherit; background: #fff;
}
.form-field input:focus, .form-field textarea:focus { outline: 2px solid var(--accent); border-color: var(--primary); }

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    display: none;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; padding: 0.6rem 1rem 1rem; }
  .main-nav a { padding: 0.7rem 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}