/* OFMOS SOP Portal. Quiet minimal: white, near-black text, one cyan accent. */

:root {
  --cyan: #22D3EE;
  --cyan-ink: #0E7490;
  --ink: #0B0B0F;
  --body: #3F4451;
  --muted: #6B7280;
  --line: #E6E8EC;
  --surface: #FFFFFF;
  --raise: #F7F8FA;
  --radius: 12px;
  --wrap: 1080px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan-ink); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- masthead ---------- */

.masthead {
  background: #0B0B0F;
  color: #fff;
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 20;
}
.masthead .wrap { display: flex; align-items: center; gap: 16px; }
.logo { font-weight: 800; font-size: 20px; letter-spacing: -0.4px; color: #fff; text-decoration: none; }
.logo span { color: var(--cyan); font-size: 13px; vertical-align: super; font-weight: 800; }
.masthead nav { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.masthead nav a, .masthead nav button {
  color: #B9BEC9; background: none; border: 0; font: inherit; font-size: 14px;
  cursor: pointer; text-decoration: none; padding: 0;
}
.masthead nav a:hover, .masthead nav button:hover { color: #fff; }

/* ---------- page intro ---------- */

.intro { padding: 44px 0 28px; border-bottom: 1px solid var(--line); }
.intro h1 { margin: 0 0 8px; font-size: 30px; line-height: 1.2; letter-spacing: -0.6px; color: var(--ink); }
.intro p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- category pills ---------- */

.toolbar { padding: 22px 0 0; }

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.pill {
  font: inherit; font-size: 13.5px; font-weight: 600; cursor: pointer;
  padding: 7px 14px; border-radius: 999px; color: var(--body);
  border: 1px solid var(--line); background: var(--surface);
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  transition: border-color .12s ease, background .12s ease, color .12s ease;
}
.pill em { font-style: normal; font-weight: 500; font-size: 12px; color: var(--muted); }
.pill:hover { border-color: #CFD4DC; background: var(--raise); }
.pill.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.pill.active em { color: var(--cyan); }

.count { margin: 0 0 4px; font-size: 13px; color: var(--muted); }

/* ---------- shelves ---------- */

.shelf { padding: 34px 0 6px; }
.shelf h2 {
  margin: 0 0 4px; font-size: 13px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--ink);
}
.shelf h2 em { font-style: normal; color: var(--muted); font-weight: 500; margin-left: 8px; letter-spacing: 0; text-transform: none; }
.rule { height: 2px; background: var(--cyan); width: 44px; margin: 0 0 20px; border-radius: 2px; }

.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }

.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.card:hover { border-color: #CFD4DC; box-shadow: 0 2px 14px rgba(11,11,15,0.06); }

.card .thumb { display: block; position: relative; background: #0F1522; line-height: 0; }
.card .thumb img { width: 100%; height: auto; aspect-ratio: 700 / 279; object-fit: cover; display: block; }
.card:hover .thumb img { opacity: .92; }

.card-body { padding: 16px 18px 14px; display: flex; flex-direction: column; gap: 10px; flex: 1; }

.card h3 { margin: 0; font-size: 16px; line-height: 1.35; color: var(--ink); letter-spacing: -0.2px; }
.card p { margin: 0; font-size: 14px; color: var(--body); flex: 1; }

.badge {
  display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: 0.8px;
  text-transform: uppercase; padding: 3px 8px; border-radius: 999px;
  background: rgba(34,211,238,0.12); color: var(--cyan-ink); border: 1px solid rgba(34,211,238,0.35);
}

.actions { display: flex; gap: 8px; flex-wrap: wrap; padding-top: 4px; }

.btn {
  font: inherit; font-size: 13.5px; font-weight: 600; cursor: pointer;
  padding: 8px 14px; border-radius: 8px; text-decoration: none;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { border-color: #CFD4DC; background: var(--raise); }
.btn-primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-primary:hover { background: #23242C; border-color: #23242C; }

.empty { padding: 40px 0; color: var(--muted); }

/* ---------- login ---------- */

.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 400px; }
.login-card .logo { color: var(--ink); font-size: 24px; display: inline-block; margin-bottom: 26px; }
.login-card .logo span { color: var(--cyan-ink); }
.login-card h1 { margin: 0 0 8px; font-size: 22px; color: var(--ink); letter-spacing: -0.4px; }
.login-card p.lede { margin: 0 0 24px; color: var(--muted); font-size: 15px; }
.field { display: block; margin-bottom: 12px; }
.field input {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 15px;
  border: 1px solid var(--line); border-radius: 10px; color: var(--ink);
}
.field input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34,211,238,0.18); }
.login-card .btn-primary { width: 100%; justify-content: center; padding: 12px; font-size: 15px; }
.note { margin: 18px 0 0; font-size: 13px; color: var(--muted); }
.msg { margin: 14px 0 0; font-size: 14px; padding: 10px 12px; border-radius: 8px; display: none; }
.msg.error { display: block; background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }

/* ---------- reader ---------- */

.reader { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 48px; padding: 36px 0 80px; }
.toc { position: sticky; top: 92px; align-self: start; max-height: calc(100vh - 120px); overflow-y: auto; }
.toc strong { display: block; font-size: 11px; letter-spacing: 1.1px; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.toc a {
  display: block; padding: 5px 0 5px 12px; font-size: 13.5px; color: var(--body);
  text-decoration: none; border-left: 2px solid var(--line); line-height: 1.4;
}
.toc a:hover { color: var(--ink); border-left-color: #CFD4DC; }
.toc a.lvl3 { padding-left: 24px; font-size: 13px; color: var(--muted); }
.toc a.active { color: var(--cyan-ink); border-left-color: var(--cyan); font-weight: 600; }

.doc { min-width: 0; }
.doc h1 { font-size: 30px; line-height: 1.22; color: var(--ink); letter-spacing: -0.6px; margin: 0 0 14px; }
.doc h2 {
  font-size: 22px; color: var(--ink); letter-spacing: -0.3px;
  margin: 46px 0 14px; padding-top: 22px; border-top: 1px solid var(--line); scroll-margin-top: 96px;
}
.doc h3 { font-size: 17px; color: var(--ink); margin: 30px 0 10px; scroll-margin-top: 96px; }
.doc h4 { font-size: 15px; color: var(--ink); margin: 22px 0 8px; }
.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { margin: 0 0 16px; padding-left: 22px; }
.doc li { margin-bottom: 6px; }
.doc strong { color: var(--ink); }
.doc code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13.5px;
  background: var(--raise); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px;
}
.doc blockquote {
  margin: 20px 0; padding: 14px 18px; border-left: 3px solid var(--cyan);
  background: var(--raise); border-radius: 0 8px 8px 0;
}
.doc blockquote p:last-child { margin-bottom: 0; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; margin: 4px 0; }
.doc th, .doc td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; vertical-align: top; }
.doc th { background: var(--raise); color: var(--ink); font-weight: 600; }
.table-scroll { overflow-x: auto; margin: 0 0 18px; }
.doc .task-box {
  display: inline-block; width: 13px; height: 13px; margin-right: 8px;
  border: 1.5px solid #C3C8D2; border-radius: 3px; vertical-align: -1px;
}
.doc ul.task-list { list-style: none; padding-left: 2px; }

.doc-head { padding: 32px 0 0; }
.doc-head .crumb { font-size: 13px; color: var(--muted); text-decoration: none; }
.doc-head .crumb:hover { color: var(--ink); }
.doc-head .actions { margin-top: 16px; }

@media (max-width: 880px) {
  .reader { grid-template-columns: 1fr; gap: 0; }
  .toc { display: none; }
  .intro h1 { font-size: 25px; }
  .doc h1 { font-size: 25px; }
}
@media (max-width: 420px) {
  .wrap { padding: 0 16px; }
  .cards { grid-template-columns: 1fr; }
}