:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --ink: #1a2330;
  --ink-soft: #4b5667;
  --muted: #7a8595;
  --border: #e3e7ec;
  --primary: #1f6f8b;
  --primary-dark: #155566;
  --primary-tint: #e6f1f5;
  --accent: #2e8b76;
  --warn: #c47a1a;
  --shadow: 0 1px 2px rgba(20, 30, 50, .04), 0 8px 24px rgba(20, 30, 50, .06);
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Top nav ---------- */
.site-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
}
.nav-brand:hover { text-decoration: none; }
.site-nav nav {
  display: flex;
  gap: 4px;
  flex: 1;
  flex-wrap: wrap;
}
.site-nav nav a {
  color: var(--ink-soft);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
}
.site-nav nav a:hover { background: var(--primary-tint); color: var(--primary-dark); text-decoration: none; }
.site-nav nav a.active { background: var(--primary-tint); color: var(--primary-dark); }

button, .ghost {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
}
button:hover { border-color: var(--primary); color: var(--primary-dark); }

/* ---------- Page ---------- */
.page-header {
  padding: 32px 0 8px;
}
.page-header h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: -0.01em;
}
.lede { color: var(--ink-soft); margin: 0 0 24px; font-size: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 0 0 20px;
  box-shadow: var(--shadow);
}
.card h2 { margin-top: 0; font-size: 18px; }

.muted { color: var(--muted); font-size: 13px; }
.small { font-size: 12px; }
code { background: #eef1f5; padding: 1px 5px; border-radius: 4px; font-size: 13px; }

/* ---------- Tile grid (home) ---------- */
.grid {
  display: grid;
  gap: 16px;
}
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  color: var(--ink);
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
  box-shadow: var(--shadow);
}
.tile:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  text-decoration: none;
}
.tile h2 { margin: 0 0 6px; font-size: 18px; color: var(--primary-dark); }
.tile p { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* ---------- Key-value blocks ---------- */
.kv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.kv > div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.kv > div:last-child { border-bottom: 0; }
.kv-key { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  padding: 4px 0 28px 40px;
}
.timeline-dot {
  position: absolute;
  left: 4px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--muted);
}
.timeline-item.done .timeline-dot { background: var(--accent); border-color: var(--accent); }
.timeline-item.current .timeline-dot {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-tint);
}
.timeline-date {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.timeline-body h3 { margin: 4px 0 4px; font-size: 16px; }
.timeline-body p { margin: 0; color: var(--ink-soft); }

/* ---------- Documents ---------- */
.search {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font: inherit;
  margin-bottom: 14px;
}
.search:focus { outline: 2px solid var(--primary-tint); border-color: var(--primary); }

.doc-table {
  width: 100%;
  border-collapse: collapse;
}
.doc-table th, .doc-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.doc-table th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 12px; letter-spacing: .04em; }
.doc-table tr:hover td { background: #fafbfc; }

/* ---------- Updates ---------- */
.update { padding: 14px 0; border-bottom: 1px solid var(--border); }
.update:last-of-type { border-bottom: 0; }
.update h2 { margin: 4px 0 6px; font-size: 16px; }
.update-date { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--border);
  color: var(--ink-soft);
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-info { background: var(--primary-tint); color: var(--primary-dark); }

/* ---------- Footer ---------- */
.site-foot {
  margin-top: 40px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 14px;
}
.site-foot p { margin: 2px 0; }

/* ---------- Login ---------- */
.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #1f6f8b 0%, #155566 60%, #0e3d4b 100%);
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  padding: 32px;
  border-radius: 14px;
  box-shadow: 0 30px 60px rgba(10, 25, 40, .35);
}
.brand { text-align: center; margin-bottom: 20px; }
.brand h1 { margin: 8px 0 2px; font-size: 22px; }
.brand-sub { color: var(--muted); font-size: 13px; margin: 0; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  font-weight: 700;
  letter-spacing: .04em;
}
.brand-mark.small { width: 30px; height: 30px; border-radius: 8px; font-size: 13px; }

.auth-form { display: flex; flex-direction: column; gap: 6px; }
.auth-form label { font-size: 13px; color: var(--ink-soft); margin-top: 8px; }
.auth-form input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font: inherit;
}
.auth-form input:focus { outline: 2px solid var(--primary-tint); border-color: var(--primary); }
.auth-form button {
  margin-top: 16px;
  padding: 11px 14px;
  background: var(--primary);
  color: white;
  border: 0;
  font-weight: 600;
}
.auth-form button:hover { background: var(--primary-dark); color: white; }
.auth-error {
  margin: 10px 0 0;
  color: #b03030;
  font-size: 13px;
  background: #fceaea;
  border: 1px solid #f3c8c8;
  padding: 8px 10px;
  border-radius: 6px;
}
.auth-foot {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .nav-inner { height: auto; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
  .site-nav nav { order: 3; width: 100%; }
  .kv > div { grid-template-columns: 1fr; }
  .kv-key { font-size: 11px; }
  .page-header h1 { font-size: 24px; }
}