:root {
  --bg: #faf9f6;
  --fg: #1f2328;
  --muted: #6b7280;
  --card: #ffffff;
  --border: #e5e3dd;
  --accent: #2563eb;
  --ko: #3f4854;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e6e6e3;
    --muted: #8b929c;
    --card: #1c1f24;
    --border: #2b2f36;
    --accent: #7aa2f7;
    --ko: #aab3bf;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.7 -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", Georgia, serif;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
#home-link { font-weight: 700; font-size: 18px; color: var(--fg); text-decoration: none; }
main { max-width: 1100px; margin: 0 auto; padding: 24px 20px 80px; }

/* lists */
.list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--fg);
  text-decoration: none;
}
.card:hover { border-color: var(--accent); }
.card .title { font-weight: 600; }
.card .meta { color: var(--muted); font-size: 13px; margin-top: 2px; }
h1 { font-size: 22px; margin: 8px 0 4px; }
.crumb { color: var(--muted); font-size: 14px; }
.crumb a { color: var(--muted); }

/* reader */
.doc-head { margin-bottom: 20px; }
button.toggle {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
}
button.toggle:hover { border-color: var(--accent); }
.para {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.para .en { }
.para .ko { color: var(--ko); }
.para .t {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 12px;
  font-family: ui-monospace, monospace;
  margin-bottom: -8px;
}
body.hide-ko .para { grid-template-columns: 1fr; }
body.hide-ko .para .ko { display: none; }

@media (max-width: 760px) {
  .para { grid-template-columns: 1fr; gap: 8px; }
  .para .ko { font-size: 15px; }
}
.empty { color: var(--muted); text-align: center; padding: 60px 0; }