/* Wilkipedia. Borrows the BountyBoard look: paper white, a Newsreader serif for
   titles, monospace small caps for labels, hairline rules instead of boxes, and
   one deep-green accent. */

@font-face {
  font-family: 'Newsreader';
  src: url('fonts/Newsreader.woff2') format('woff2');
  font-weight: 200 800;
  font-display: swap;
}

:root {
  --paper: #fbfaf6;
  --card: #ffffff;
  --ink: #1b1d1a;
  --muted: #676b63;
  --rule: #e2dfd6;
  --accent: #1f5a41;
  --accent-ink: #ffffff;
  --accent-soft: #e5efe8;
  --warn: #8a5a00;
  --warn-soft: #fbf0d9;
  --bad: #a3322a;
  --empty: #a9aca4;
  --serif: 'Newsreader', Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #161714; --card: #1d1f1b; --ink: #e8e6df; --muted: #a2a59c; --rule: #33352f;
    --accent: #7fc39c; --accent-ink: #10150f; --accent-soft: #22342a;
    --warn: #e5b45a; --warn-soft: #3a2f1a; --bad: #ef8a80; --empty: #6d7068;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.55 var(--sans); }
a { color: var(--accent); text-underline-offset: 2px; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 2.8rem); letter-spacing: -.01em; }
h2 { font-size: 1.5rem; margin-top: 1.8em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: .88em; }
[hidden] { display: none !important; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--card); padding: 8px; z-index: 10; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.label, .label-h, legend {
  font: 600 .72rem/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.label { display: block; margin-bottom: 2px; }
.label-h { margin: 2.5em 0 1em; }
.meta { color: var(--muted); font-size: .86rem; }
.lede { font-size: 1.12rem; color: var(--muted); max-width: 44em; }

/* ── header / footer ── */
.demo-banner { background: var(--warn-soft); color: var(--warn); font-size: .85rem; padding: 6px 16px; text-align: center; }
.demo-banner a { color: inherit; }
header.site { border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; align-items: center; gap: 20px; min-height: 58px; flex-wrap: wrap; }
.brand { font: 600 1.45rem var(--serif); color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.main-nav { display: flex; gap: 18px; font-size: .92rem; }
.main-nav a { color: var(--muted); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a[aria-current] { color: var(--ink); border-color: var(--accent); }
.hsearch { margin-left: auto; }
.hsearch input { width: 220px; }
.auth { display: flex; gap: 12px; align-items: center; font-size: .9rem; }
.auth .who { color: var(--ink); font-weight: 600; text-decoration: none; }
.nav-review { font: 600 .72rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
footer.site { border-top: 1px solid var(--rule); margin-top: 80px; padding: 28px 0 40px; font-size: .9rem; }
footer.site p { max-width: 50em; }

@media (max-width: 760px) {
  .bar { gap: 10px 16px; padding: 10px 16px; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; gap: 16px; padding-bottom: 2px; }
  .hsearch { display: none; }
  .auth { margin-left: auto; }
}

/* ── inputs & buttons ── */
input, select, textarea {
  font: inherit; color: inherit; background: var(--card); border: 1px solid var(--rule);
  border-radius: 3px; padding: 8px 10px; width: 100%; max-width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.invalid { border-color: var(--bad); }
textarea { resize: vertical; }
.btn {
  font: 600 .92rem var(--sans); background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent);
  border-radius: 3px; padding: 8px 16px; cursor: pointer; text-decoration: none; display: inline-block;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.small { padding: 4px 10px; font-size: .85rem; }
.btn.big { padding: 12px 22px; font-size: 1rem; }
.linkish { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font: inherit; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0; }
.chip {
  font: 500 .82rem var(--sans); border: 1px solid var(--rule); background: transparent; color: var(--muted);
  padding: 4px 11px; border-radius: 999px; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.tag {
  display: inline-block; font: 600 .66rem/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  padding: 1px 6px; border: 1px solid var(--rule); border-radius: 3px; color: var(--muted); vertical-align: middle;
}
.tag.ap { color: var(--accent); border-color: var(--accent); }
.badge-school {
  display: inline-block; font: 600 .62rem/1.5 var(--mono); letter-spacing: .04em; white-space: nowrap;
  padding: 0 5px; margin-left: 4px; border-radius: 3px; background: var(--accent-soft); color: var(--accent); vertical-align: 1px;
}
.tag.warn, .tag.st-changes { color: var(--warn); border-color: var(--warn); background: var(--warn-soft); }
.tag.st-approved { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.tag.st-rejected { color: var(--bad); border-color: var(--bad); }

/* ── home ── */
.hero { padding: 28px 0 8px; }
.hero h1 { font-size: clamp(2.3rem, 7vw, 3.8rem); max-width: 14em; }
.big-search { display: flex; gap: 8px; max-width: 620px; margin-top: 24px; }
.big-search input { font-size: 1.1rem; padding: 12px 14px; }
.results { max-width: 620px; margin-top: 6px; }
.results.page { max-width: none; }
.result { display: flex; justify-content: space-between; gap: 12px; padding: 10px 2px; border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none; }
.result:hover b { color: var(--accent); }
.subjects { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.subject { padding: 18px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 4px; }
.subject b { font: 500 1.2rem var(--serif); }
.subject span { font-size: .82rem; color: var(--muted); }
.subject:hover { background: var(--accent-soft); }
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .three, .two { grid-template-columns: 1fr; } }
.panel { border: 1px solid var(--rule); padding: 18px; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 6px; background: var(--card); }
.panel b { font: 500 1.15rem/1.25 var(--serif); }
.panel.accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.panel.accent .label, .panel.accent .meta { color: inherit; opacity: .8; }
.mini-list a { display: block; padding: 9px 0; border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none; }
.mini-list a:hover { color: var(--accent); }
.mini-list .meta { display: block; }
.b-id { font: 600 .75rem var(--mono); color: var(--muted); margin-right: 6px; }

/* ── subject / course lists ── */
#main { padding-top: 28px; }
.crumbs { font-size: .86rem; margin: 0 0 6px; color: var(--muted); }
.legend { font-size: .85rem; white-space: nowrap; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--empty); margin: 0 3px 0 10px; }
.dot.on { background: var(--accent); border-color: var(--accent); }
.dept-block h2 a { color: var(--ink); text-decoration: none; }
.course-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.course-row { display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--rule); }
.course-row > a { flex: 1; display: flex; flex-direction: column; padding: 11px 0; text-decoration: none; color: var(--ink); min-width: 0; }
.course-row .c-name { font-weight: 600; }
.course-row .c-name::before { content: ''; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); margin-right: 10px; vertical-align: 1px; }
.course-row .c-meta { font-size: .82rem; color: var(--muted); padding-left: 19px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.course-row.is-empty .c-name { color: var(--empty); font-weight: 500; }
.course-row.is-empty .c-name::before { background: transparent; border: 1.5px solid var(--empty); width: 6px; height: 6px; }
.course-row > a:hover .c-name { color: var(--accent); }
.c-badges { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.status { font-size: .75rem; color: var(--empty); white-space: nowrap; }
@media (max-width: 560px) { .course-row .c-badges .tag:not(.ap), .status { display: none; } }
.plain-list { list-style: none; padding: 0; }
.plain-list li { padding: 7px 0; border-bottom: 1px solid var(--rule); }

/* ── course page ── */
.course-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 32px; padding: 14px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin: 10px 0 16px; font-size: .95rem; }
.facts > div { max-width: 100%; }
.toc { display: flex; gap: 18px; flex-wrap: wrap; font-size: .88rem; margin-bottom: 8px; }
section { scroll-margin-top: 80px; }
details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary h2 { display: inline; }
details > summary::after { content: ' +'; font: 1.3rem var(--serif); color: var(--muted); }
details[open] > summary::after { content: ' −'; }
.catalog-desc { max-width: 44em; margin-top: 12px; }
.lede p { margin-bottom: .6em; color: var(--ink); }
.kv { display: grid; grid-template-columns: 200px 1fr; gap: 16px; padding: 10px 0; border-top: 1px solid var(--rule); }
.kv .k { font: 600 .72rem/1.9 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.kv .v p:last-child { margin: 0; }
@media (max-width: 560px) { .kv { grid-template-columns: 1fr; gap: 2px; } }
.teachers { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.teacher { border: 1px solid var(--rule); background: var(--card); padding: 16px; min-width: 0; }
.teacher.is-empty { background: transparent; border-style: dashed; }
.teacher.is-empty h3 { color: var(--muted); }
.teacher .kv { grid-template-columns: 1fr; gap: 2px; }
.empty { color: var(--muted); padding: 14px 0; }
.stale { background: var(--warn-soft); color: var(--warn); padding: 6px 10px; font-size: .86rem; margin-top: 10px; border-left: 3px solid var(--warn); }
.edit { font-size: .86rem; display: inline-block; margin-top: 8px; }
.res, .tips, .subs { list-style: none; padding: 0; margin: 0; }
.res li, .tips li, .subs li { padding: 12px 0; border-bottom: 1px solid var(--rule); }
.tips li p { font: 1.05rem/1.5 var(--serif); margin-bottom: 4px; }
.note { background: var(--accent-soft); padding: 10px 14px; margin: 12px 0; font-size: .92rem; }
.scroll-x { overflow-x: auto; }
.compare, .plain { border-collapse: collapse; width: 100%; font-size: .92rem; }
.compare th, .compare td, .plain td { border-bottom: 1px solid var(--rule); padding: 8px 10px; text-align: left; vertical-align: top; }
.compare thead th { font-family: var(--serif); font-size: 1.05rem; font-weight: 500; }
.compare tbody th { font: 600 .72rem var(--mono); text-transform: uppercase; color: var(--muted); width: 110px; }

/* ── comments ── */
.comment-form { display: grid; gap: 8px; max-width: 640px; margin-bottom: 20px; }
.comment-form select { max-width: 320px; }
.comment-form .btn { justify-self: start; }
.comment { padding: 14px 0; border-top: 1px solid var(--rule); }
.comment.reply { margin-left: 24px; padding: 10px 0 0; border-top: 0; border-left: 2px solid var(--rule); padding-left: 12px; margin-top: 10px; }
.c-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.c-body p { margin: 4px 0; }
.c-actions { display: flex; gap: 14px; font-size: .84rem; }
.c-actions .linkish { color: var(--muted); }
.c-actions [aria-pressed="true"] { color: var(--bad); }

/* ── bounty board ── */
.stats { display: flex; gap: 40px; padding: 18px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin: 20px 0; }
.stats b { font: 500 2.2rem/1 var(--serif); display: block; }
.stats span { font: 600 .7rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.filters { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0 20px; }
.board { border-top: 1px solid var(--rule); }
.bounty { border-bottom: 1px solid var(--rule); }
.b-row { display: grid; grid-template-columns: 70px 1fr auto; gap: 14px; align-items: center; width: 100%; background: none; border: 0; padding: 14px 4px; text-align: left; cursor: pointer; color: var(--ink); font: inherit; }
.b-row:hover .b-title { color: var(--accent); }
.b-title { font-weight: 600; }
.b-sub { display: block; font-weight: 400; font-size: .84rem; color: var(--muted); }
.b-size { font: .82rem var(--mono); color: var(--muted); text-align: right; white-space: nowrap; }
.dots { display: block; color: var(--accent); letter-spacing: 2px; font-size: .7rem; }
.dots .off { color: var(--rule); }
.b-brief { padding: 0 4px 18px 88px; max-width: 760px; }
.b-actions { display: flex; gap: 8px; }
@media (max-width: 560px) {
  .b-row { grid-template-columns: 1fr auto; }
  .b-row .b-id { grid-column: 1 / -1; }
  .b-brief { padding-left: 4px; }
  .stats { gap: 24px; }
}
.how { margin-top: 40px; max-width: 760px; }

/* ── forms ── */
fieldset { border: 0; padding: 0; margin: 28px 0 0; }
legend { margin-bottom: 12px; }
.kinds { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.kind-card { border: 1px solid var(--rule); padding: 12px 14px; cursor: pointer; display: flex; flex-direction: column; gap: 3px; background: var(--card); }
.kind-card input { width: auto; margin: 0 0 4px; align-self: flex-start; }
.kind-card span { font-size: .85rem; color: var(--muted); }
.kind-card:has(input:checked) { border-color: var(--accent); outline: 1px solid var(--accent); }
.field { margin-bottom: 16px; max-width: 640px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; }
.hint { font-size: .84rem; color: var(--muted); margin-bottom: 6px; }
.hint-inline { font-weight: 400; color: var(--muted); }
.req { color: var(--bad); }
.check { display: flex; gap: 10px; align-items: flex-start; margin: 20px 0; max-width: 640px; }
.check input { width: auto; margin-top: 4px; }
.error { color: var(--bad); font-weight: 600; }
.done { padding: 30px 0; }
.grid2, .grid3 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 560px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
form.inline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
form.inline input { max-width: 260px; }

/* ── cards, review, leaderboard ── */
.card { border: 1px solid var(--rule); background: var(--card); padding: 18px; margin: 16px 0; }
.card h2 { margin-top: 0; }
.review .r-head { display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; margin-bottom: 8px; }
.review .r-head .meta { margin-left: auto; }
.r-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.checklist { margin-top: 10px; }
.bad { color: var(--bad); }
.leaders { list-style: none; counter-reset: rank; padding: 0; max-width: 640px; }
.leaders li { counter-increment: rank; display: grid; grid-template-columns: 36px 1fr auto 60px; gap: 12px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.leaders li::before { content: counter(rank); font: 500 1.3rem var(--serif); color: var(--muted); }
.leaders li.empty { display: block; }
.leaders li.empty::before { content: none; }
.leaders b { font: 500 1.3rem var(--serif); text-align: right; }
.topic article { padding: 12px 0; border-top: 1px solid var(--rule); }
.summer-item { padding: 8px 0; }
.rules li { margin-bottom: 12px; max-width: 44em; }

#toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; transition: .2s; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 4px; font-size: .92rem; z-index: 20; max-width: calc(100% - 32px); pointer-events: none; }
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.bad { background: var(--bad); color: #fff; }