/* ROLL'N SOP site — warm & friendly. Deliberately NOT ROLL'N brand colours. */

:root {
  --bg: #faf5ec;
  --card: #ffffff;
  --ink: #3a2f26;
  --muted: #8a7a68;
  --accent: #c05f33;
  --accent-dark: #9c4b26;
  --accent-soft: #f7e6da;
  --border: #eadfce;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.65;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--accent-dark); }

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.header-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.nav-toggle {
  display: none;
  font: inherit;
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 14px;
  cursor: pointer;
}
.site-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.site-name:hover { color: var(--accent-dark); }
.site-tag { color: var(--muted); font-size: 0.95rem; }

/* Layout: sidebar + content */
.layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  padding-top: 28px;
  padding-bottom: 56px;
}
main { flex: 1; min-width: 0; }

/* Sidebar directory */
.sidebar {
  width: 230px;
  flex-shrink: 0;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.sidebar nav { display: flex; flex-direction: column; gap: 2px; font-size: 0.95rem; }
.sidebar a {
  display: block;
  text-decoration: none;
  color: var(--ink);
  padding: 6px 12px;
  border-radius: 8px;
  line-height: 1.4;
}
.sidebar a:hover { background: var(--accent-soft); }
.sidebar a.active { background: var(--accent-soft); color: var(--accent-dark); font-weight: 600; }
.nav-home { font-weight: 600; margin-bottom: 8px; }
.nav-section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
  padding: 12px 12px 4px;
  border-top: 1px solid var(--border);
  margin-top: 6px;
}
.nav-group { margin-bottom: 10px; }
.nav-cat {
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted) !important;
}
.nav-cat.active { color: var(--accent-dark) !important; }
.nav-sop { padding-left: 22px !important; }

/* Breadcrumbs */
.crumbs { margin: 4px 0 20px; color: var(--muted); font-size: 0.95rem; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--accent-dark); }
.crumb-sep { margin: 0 8px; }

/* Home hero + search */
.hero { margin-bottom: 28px; }
.hero h1 { margin: 18px 0 8px; font-size: 2rem; line-height: 1.2; }
.lede { color: var(--muted); margin: 0 0 20px; max-width: 40em; }
.search {
  width: 100%;
  padding: 14px 18px;
  font-size: 1.05rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  outline: none;
}
.search:focus { border-color: var(--accent); }

/* Cards */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.card h2, .card h3 { margin: 0 0 6px; line-height: 1.3; }
.card h2 { font-size: 1.3rem; }
.card h3 { font-size: 1.15rem; }
.card p { margin: 0 0 10px; color: var(--muted); font-size: 0.98rem; }
.card-meta { color: var(--accent-dark); font-size: 0.88rem; margin: 0; }
.no-results { color: var(--muted); }
.home-section {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 30px 0 14px;
}
.kb-updated { color: var(--muted); font-size: 0.92rem; margin: -8px 0 22px; }

/* SOP page */
.sop h1 { font-size: 1.9rem; line-height: 1.2; margin: 6px 0 18px; }

.meta-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2px;
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 26px;
}
.meta-item { display: flex; flex-direction: column; padding: 4px 8px; }
.meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-dark);
  font-weight: 600;
}
.meta-value { font-size: 0.98rem; }

.sop-body h2 {
  font-size: 1.3rem;
  margin: 34px 0 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--accent-soft);
}
.sop-body ol, .sop-body ul { padding-left: 26px; }
.sop-body ol li, .sop-body ul li { margin-bottom: 10px; }
.sop-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 14px 0;
  font-size: 0.95rem;
  background: var(--card);
  border-radius: 8px;
  overflow: hidden;
}
.sop-body th, .sop-body td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}
.sop-body th { background: var(--accent-soft); font-weight: 600; }
.sop-body blockquote {
  margin: 14px 0;
  padding: 10px 18px;
  border-left: 4px solid var(--accent);
  background: var(--card);
  border-radius: 0 8px 8px 0;
}

/* Flowcharts (Mermaid) */
.sop-body pre.mermaid {
  display: flex;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin: 18px 0;
  overflow-x: auto;
}
.sop-body pre.mermaid svg { max-width: 100%; height: auto; }
/* Hide raw diagram text until mermaid replaces it with an SVG */
.sop-body pre.mermaid:not([data-processed]) { color: transparent; min-height: 60px; }

/* Past versions */
.past-versions { margin-top: 48px; }
.past-versions h2 { font-size: 1.2rem; color: var(--muted); }
.no-past { color: var(--muted); font-size: 0.95rem; }
.past-version {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.past-version summary {
  cursor: pointer;
  padding: 14px 20px;
  font-weight: 600;
  color: var(--accent-dark);
}
.past-version .past-body {
  padding: 4px 24px 20px;
  border-top: 1px solid var(--border);
  opacity: 0.85;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 40px;
  color: var(--muted);
  font-size: 0.88rem;
}

/* Tablet & mobile: sidebar collapses behind the Menu button */
@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  .layout { display: block; }
  .sidebar {
    display: none;
    width: auto;
    position: static;
    max-height: none;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 24px;
  }
  .sidebar.open { display: block; }
}

@media (max-width: 700px) {
  body { font-size: 17px; }
  .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.6rem; }
  .sop h1 { font-size: 1.5rem; }
}

/* Print: current version only, clean black-on-white */
@media print {
  body { background: #fff; color: #000; font-size: 12pt; }
  .site-header, .site-footer, .crumbs, .past-versions, .search, .sidebar, .nav-toggle { display: none; }
  .meta-box { background: none; border: 1pt solid #000; }
  .card, .past-version { border-color: #000; }
  .sop-body pre.mermaid { border-color: #000; }
}