/* UMN Ed Tech Transparency Project — civic/document-centric design */

:root {
  --ink: #1c1c1c;
  --ink-soft: #4a4a4a;
  --ink-faint: #767676;
  --paper: #fbfaf7;
  --panel: #ffffff;
  --rule: #d9d5cc;
  --rule-light: #eae7df;
  --accent: #1a4480;       /* civic blue */
  --accent-dark: #122e57;
  --accent-wash: #eef2f8;
  --gold: #ffcc33;         /* a nod to Minnesota, used sparingly */
  --maroon: #7a0019;
  --verified: #2e6b34;
  --verified-wash: #ecf4ed;
  --caution: #8a5a00;
  --caution-wash: #fdf3dd;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

h1, h2, h3, .serif { font-family: var(--serif); font-weight: 600; line-height: 1.2; }
h1 { font-size: 2.4rem; margin: 0 0 0.5rem; letter-spacing: -0.01em; }
h2 { font-size: 1.6rem; margin: 2.5rem 0 0.75rem; }
h3 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-dark); }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 1.25rem; }
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 0 1.25rem; }

/* Skip link: hidden until keyboard focus */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* Anchor-landing highlight after async render */
.hash-target {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  transition: outline-color 1.5s ease;
}

/* ---------- Header ---------- */

.site-header {
  background: var(--panel);
  border-bottom: 3px solid var(--ink);
}

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 1.1rem 0 0.9rem;
}

.site-title {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.site-title .tick { color: var(--maroon); }

.site-tagline {
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding-bottom: 0;
}

.site-nav a {
  display: inline-block;
  padding: 0.5rem 0.8rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
}
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--rule); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--gold); }

/* ---------- Hero / search ---------- */

.hero {
  padding: 3.5rem 0 3rem;
  text-align: center;
}

.hero h1 { font-size: 2.7rem; max-width: 17em; margin: 0 auto 0.6rem; }
.hero p.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 38em;
  margin: 0 auto 2rem;
}

.search-box { position: relative; max-width: 640px; margin: 0 auto; text-align: left; }

.search-input {
  width: 100%;
  font-size: 1.1rem;
  font-family: var(--sans);
  padding: 0.9rem 1.1rem;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
}
.search-input:focus { outline: 3px solid var(--gold); outline-offset: 1px; }

.search-hint {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
  text-align: center;
}
.search-hint button {
  background: none; border: none; padding: 0;
  color: var(--accent); font-size: inherit; font-family: inherit;
  cursor: pointer; text-decoration: underline; text-underline-offset: 2px;
}

.search-results {
  position: absolute;
  z-index: 50;
  left: 0; right: 0;
  margin-top: 0.4rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
  box-shadow: 0 8px 28px rgba(20, 20, 20, 0.13);
  max-height: min(30rem, 65vh);
  overflow-y: auto;
}
.search-results[hidden] { display: none; }

.result {
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--rule-light);
}
.result:last-child { border-bottom: none; }
.result.active { background: var(--accent-wash); }

.result .r-type {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.result h4 { margin: 0.15rem 0 0.25rem; font-size: 1.02rem; font-family: var(--serif); }
.result h4 a { color: var(--ink); text-decoration: none; }
.result h4 a:hover { color: var(--accent); text-decoration: underline; }
.result p { margin: 0 0 0.35rem; font-size: 0.9rem; color: var(--ink-soft); }

.result .r-sources { font-size: 0.83rem; }
.result .r-sources a { margin-right: 0.9rem; }
.result-empty { padding: 1rem 1.1rem; color: var(--ink-faint); font-size: 0.95rem; }

/* Full-page search results (search.html) */
.search-results-page {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
  margin-top: 1rem;
}
.search-results-page .result { padding: 1.1rem 1.25rem; }
.search-results-page .result h4 { font-size: 1.12rem; }
.search-count { color: var(--ink-faint); font-size: 0.9rem; margin: 1rem 0 0; }

/* Request builder (records-request.html) */
.builder {
  background: var(--accent-wash);
  border: 1px solid #cdd9ea;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}
.builder-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  margin: 0.5rem 0;
}
.builder-row label { font-size: 0.93rem; }
.builder select, .builder input[type="text"], .builder input[type="number"] {
  font-family: var(--sans);
  font-size: 0.93rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--panel);
  color: var(--ink);
}
.builder input[type="text"] { min-width: 22rem; max-width: 100%; }
.builder input[type="number"] { width: 6rem; }
.builder .spacer { flex: 1; }

/* Template request (records-request.html) */
pre.template {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--gold);
  border-radius: 6px;
  padding: 1.25rem 1.4rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* ---------- Cards & sections ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}

.card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.1rem 1.2rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 120ms ease, transform 120ms ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: 0 0 0.35rem; font-size: 1.08rem; }
.card p { margin: 0; font-size: 0.88rem; color: var(--ink-soft); }
.card .card-kicker {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent);
}

.section-kicker {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
  margin: 2.5rem 0 0.25rem;
}
.section-kicker + h2 { margin-top: 0; }

/* ---------- Badges ---------- */

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  vertical-align: middle;
  white-space: nowrap;
}
.badge-verified { background: var(--verified-wash); color: var(--verified); border: 1px solid #c4dcc6; }
.badge-unverified { background: var(--caution-wash); color: var(--caution); border: 1px solid #ecd9a8; }
.badge-cat { background: var(--accent-wash); color: var(--accent); border: 1px solid #cdd9ea; }
.badge-new { background: var(--gold); color: var(--ink); border: 1px solid #d9ad22; }

/* ---------- Entry lists (policies, contracts) ---------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 1.25rem 0;
}
.toolbar .spacer { flex: 1; }
.toolbar-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-right: 0.25rem;
}

.filter-btn {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink-soft);
  cursor: pointer;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.entry {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.25rem 1.4rem;
  margin-bottom: 1rem;
}
.entry-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
  align-items: center;
}
.entry h3 { margin: 0; font-size: 1.18rem; flex-basis: 100%; }
.entry h3 a { color: var(--ink); text-decoration: none; }
.entry h3 a:hover { color: var(--accent); text-decoration: underline; }
.entry .meta { font-size: 0.82rem; color: var(--ink-faint); }
.entry p.summary { margin: 0.6rem 0; }
.entry ul.key-points { margin: 0.4rem 0 0.6rem; padding-left: 1.3rem; font-size: 0.93rem; }
.entry ul.key-points li { margin-bottom: 0.2rem; }
.entry .sources { font-size: 0.88rem; border-top: 1px dashed var(--rule-light); padding-top: 0.6rem; margin-top: 0.8rem; }
.entry .sources strong { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); }
.entry .sources a { margin-right: 1rem; }

/* ---------- Status / changelog ---------- */

.status-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
  background: var(--accent-wash);
  border: 1px solid #cdd9ea;
  border-radius: 6px;
  padding: 0.7rem 1.1rem;
  font-size: 0.9rem;
  margin: 1.25rem 0;
}
.status-dot {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  background: var(--verified); margin-right: 0.45rem;
}

.changelog { list-style: none; margin: 1rem 0; padding: 0; }
.changelog li {
  display: flex; gap: 1rem;
  padding: 0.7rem 0.25rem;
  border-bottom: 1px solid var(--rule-light);
  font-size: 0.93rem;
}
.changelog .cl-date { flex: 0 0 7.5rem; font-family: var(--mono); font-size: 0.8rem; color: var(--ink-faint); padding-top: 0.15rem; }

/* ---------- Timeline (history) ---------- */

.jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.5rem 0 0.5rem;
}
.jump-nav a {
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-soft);
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
}
.jump-nav a:hover { border-color: var(--accent); color: var(--accent); }

.era-label {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 2.75rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--ink);
}

.timeline { position: relative; margin: 0; padding: 0 0 0 1.5rem; border-left: 3px solid var(--rule); list-style: none; }
.timeline > li { position: relative; margin: 0 0 1.75rem; }
.timeline > li::before {
  content: "";
  position: absolute;
  left: calc(-1.5rem - 8px);
  top: 0.5rem;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--ink);
}
.tl-year { font-family: var(--mono); font-size: 0.85rem; font-weight: 700; color: var(--maroon); }
.timeline h3 { margin: 0.1rem 0 0.3rem; }
.timeline p { margin: 0 0 0.35rem; font-size: 0.95rem; }
.tl-significance { font-style: italic; color: var(--ink-soft); font-size: 0.9rem; }
.tl-sources { font-size: 0.85rem; }
.tl-sources a { margin-right: 0.9rem; }

/* ---------- Comparison table ---------- */

/* Vertical scrolling happens inside this container so the sticky header
 * actually sticks while reading down the table. */
.table-scroll {
  overflow: auto;
  max-height: 78vh;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--panel);
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 900px;
}
table.compare th, table.compare td {
  text-align: left;
  vertical-align: top;
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--rule-light);
}
table.compare th {
  position: sticky; top: 0;
  background: var(--ink);
  color: #fff;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
table.compare th .sort-arrow { opacity: 0.6; font-size: 0.7rem; }
table.compare tr.is-umn { background: #fff8e1; }
table.compare tr.is-umn td:first-child { border-left: 4px solid var(--gold); }
table.compare td.school-name { font-weight: 600; white-space: nowrap; }
table.compare td .conf { display: block; font-size: 0.72rem; font-weight: 400; color: var(--ink-faint); }

/* ---------- Footer ---------- */

.site-footer {
  margin-top: 4rem;
  border-top: 3px solid var(--ink);
  background: var(--panel);
  padding: 2rem 0 2.5rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; justify-content: space-between; }
.site-footer p { margin: 0.25rem 0; max-width: 34em; }
.site-footer nav a { display: block; color: var(--ink-soft); margin-bottom: 0.3rem; }

.disclaimer {
  font-size: 0.82rem;
  color: var(--ink-faint);
}

/* ---------- Utility ---------- */

.loading { color: var(--ink-faint); font-style: italic; padding: 2rem 0; }
.lead-banner {
  background: var(--accent-wash);
  border-left: 4px solid var(--accent);
  border-radius: 0 6px 6px 0;
  padding: 0.9rem 1.2rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 2rem; }
  h1 { font-size: 1.9rem; }
  .changelog li { flex-direction: column; gap: 0.1rem; }
}