/* Lavendell site: one light parchment palette, system fonts only, no external requests. */

:root {
  --paper: #f4ead5;
  --paper-card: #f9f2e2;
  --rule: #dccbab;
  --ink: #3b2a1a;
  --ink-soft: #6b5a45;
  --lavender: #7a6aa8;
  --lavender-ink: #574789;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  color-scheme: light;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--paper);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  overflow-wrap: break-word;
}

html:lang(zh) body { line-height: 1.8; }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

/* skip link */
.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  padding: 6px 12px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  z-index: 10;
}
.skip:focus { top: 8px; }

/* header */
.site-header { border-bottom: 1px solid var(--rule); }
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
}
.brand {
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}
.brand::before {
  content: "";
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  margin-right: 0.45em;
  border-radius: 50% 0 50% 0;
  background: var(--lavender);
  transform: translateY(-0.12em) rotate(-45deg);
}
.lang-switch {
  font-size: 0.95rem;
  padding: 6px 2px;
}

/* main text */
main { padding: 28px 0 48px; }

h1, h2, h3 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.3;
}
h1 { font-size: 2rem; margin: 0.2em 0 0.25em; }
h2 {
  font-size: 1.32rem;
  margin: 2.1em 0 0.6em;
  padding-top: 0.9em;
  border-top: 1px solid var(--rule);
}
h3 { font-size: 1.08rem; margin: 1.5em 0 0.4em; }
h2 + h3 { margin-top: 0.8em; }

p, ul, ol, dl { margin: 0 0 1em; }
ul, ol { padding-left: 1.35em; }
li { margin: 0.3em 0; }
li > ul { margin: 0.3em 0 0; }
strong { font-weight: 600; }

.meta {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 1.6em;
}
.lede { font-size: 1.06rem; }

a {
  color: var(--lavender-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover { color: var(--ink); }
:focus-visible {
  outline: 2px solid var(--lavender);
  outline-offset: 2px;
  border-radius: 2px;
}

/* an in-app path, e.g. Dormitory › Settings › Delete account */
.path {
  font-weight: 600;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0 0.3em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* the "in short" box */
.summary {
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--lavender);
  border-radius: 6px;
  padding: 4px 18px 6px;
  margin: 0 0 1.6em;
}
.summary h2 {
  border-top: 0;
  margin: 0.8em 0 0.4em;
  padding-top: 0;
  font-size: 1.15rem;
}

/* contents list */
.toc {
  font-size: 0.97rem;
  margin: 0 0 1em;
}
.toc ol {
  columns: 2;
  column-gap: 2em;
  margin: 0.4em 0 0;
}
.toc li { margin: 0.15em 0; break-inside: avoid; }
.toc h2 {
  border-top: 0;
  margin: 0;
  padding-top: 0;
  font-size: 1.05rem;
}

/* key-value facts, e.g. the cross-border transfer details */
.facts {
  display: grid;
  grid-template-columns: 9em 1fr;
  gap: 0.35em 1em;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 12px 16px;
}
.facts dt { color: var(--ink-soft); font-weight: 600; }
.facts dd { margin: 0; }

/* footer */
.site-footer {
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.95rem;
  padding: 20px 0 36px;
}
.site-footer p { margin: 0.4em 0; }
.site-footer nav a { white-space: nowrap; }

/* the root language chooser */
.chooser { text-align: center; padding-top: 18vh; }
.chooser h1 { font-size: 2.4rem; }
.chooser .choices { font-size: 1.15rem; }

@media (max-width: 520px) {
  body { font-size: 16.5px; }
  h1 { font-size: 1.7rem; }
  .toc ol { columns: 1; }
  .facts { grid-template-columns: 1fr; gap: 0; }
  .facts dd { margin-bottom: 0.6em; }
}

@media print {
  :root { --paper: #fff; --paper-card: #fff; --rule: #999; --ink: #000; --ink-soft: #333; --lavender-ink: #000; }
  html, body { background: #fff; }
  body { font-size: 11pt; line-height: 1.5; }
  .skip, .lang-switch, .site-footer nav, .toc { display: none; }
  .site-header { border-bottom: 1px solid #999; }
  main { padding: 12pt 0; }
  h2, h3 { break-after: avoid; page-break-after: avoid; }
  li, .facts, .summary { break-inside: avoid; }
  main a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.9em;
    word-break: break-all;
  }
}