/* StillValid: one small hand-written stylesheet. Mobile first, light and dark. */
:root {
  --bg: #ffffff;
  --surface: #f5f6f8;
  --text: #16181d;
  --muted: #4a505c;
  --border: #d5d9e0;
  --link: #0b57b0;
  --focus: #b4530a;
  --ok-bg: #e3f4e8; --ok-fg: #14532d;
  --chg-bg: #fff2d6; --chg-fg: #6b4300;
  --end-bg: #fde4e4; --end-fg: #8a1414;
  --unc-bg: #e9ebef; --unc-fg: #333a46;
  --radius: 10px;
  --max: 46rem;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --surface: #1b1e24;
    --text: #eceef2;
    --muted: #b3b9c4;
    --border: #343a45;
    --link: #8fc1ff;
    --focus: #ffb86b;
    --ok-bg: #12321f; --ok-fg: #a6e9bd;
    --chg-bg: #3a2c09; --chg-fg: #ffd98a;
    --end-bg: #3d1515; --end-fg: #ffb4b4;
    --unc-bg: #2a2f38; --unc-fg: #d6dae2;
  }
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1rem; }
a { color: var(--link); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
h1 { font-size: 1.75rem; line-height: 1.25; margin: 1.5rem 0 1rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 0.5rem; }
h3 { font-size: 1.1rem; margin: 0 0 0.25rem; }
code { font-size: 0.9em; background: var(--surface); padding: 0.1em 0.3em; border-radius: 4px; }
.lede { font-size: 1.1rem; color: var(--muted); }
.small { font-size: 0.9rem; color: var(--muted); }
.url { overflow-wrap: anywhere; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--bg); padding: 0.5rem 1rem; z-index: 10; }
.skip:focus { left: 0.5rem; }

.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; padding-top: 0.75rem; padding-bottom: 0.75rem; }
.logo { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }
.site-footer { margin-top: 3rem; border-top: 1px solid var(--border); padding: 1rem 0 2rem; font-size: 0.9rem; color: var(--muted); }

.crumbs ol { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-wrap: wrap; font-size: 0.9rem; color: var(--muted); }
.crumbs li + li::before { content: "/"; padding: 0 0.4rem; }

.badge { display: inline-block; padding: 0.05rem 0.55rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600; white-space: nowrap; }
.badge-verified { background: var(--ok-bg); color: var(--ok-fg); }
.badge-changed { background: var(--chg-bg); color: var(--chg-fg); }
.badge-ended { background: var(--end-bg); color: var(--end-fg); }
.badge-unconfirmed { background: var(--unc-bg); color: var(--unc-fg); }

.cards { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: 0.75rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.card p { margin: 0.35rem 0; }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--muted); }
.cat { font-size: 0.9rem; }
.empty { padding: 1rem; background: var(--surface); border-radius: var(--radius); }

.filters { display: grid; gap: 0.75rem; margin: 1.25rem 0 0.25rem; }
.field { display: grid; gap: 0.25rem; }
.field label { font-weight: 600; font-size: 0.9rem; }
input, select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--muted); border-radius: 6px; padding: 0.5rem 0.6rem; width: 100%;
}

.answer { border: 2px solid var(--border); border-radius: var(--radius); padding: 1rem; margin: 1rem 0; background: var(--surface); }
.answer-verified { border-color: var(--ok-fg); }
.answer-changed { border-color: var(--chg-fg); }
.answer-ended { border-color: var(--end-fg); }
.answer p { margin: 0.35rem 0; font-size: 1.05rem; }
.dates { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; margin: 0.75rem 0 0; }
.dates dt { font-size: 0.85rem; color: var(--muted); }
.dates dd { margin: 0; font-weight: 600; }

.button {
  display: inline-block; padding: 0.65rem 1rem; border-radius: 8px; font-weight: 600;
  background: var(--link); color: var(--bg); text-decoration: none;
}
.button:hover { text-decoration: underline; }

.history { padding-left: 1.25rem; }
.history li { margin-bottom: 0.75rem; }
.history p { margin: 0.15rem 0; }
.changes { padding-left: 1.25rem; }
.changes li { margin-bottom: 0.75rem; }
.defs dt { margin-top: 0.75rem; }
.defs dd { margin: 0.25rem 0 0; }

@media (min-width: 40rem) {
  h1 { font-size: 2rem; }
  .filters { grid-template-columns: 2fr 1fr 1fr; align-items: end; }
}