:root {
  --bg: #f7f4ee;
  --surface: #fffdf8;
  --line: #e4ddd0;
  --text: #1f1d1a;
  --muted: #6b655c;
  --primary: #2f5a3a;
  --primary-ink: #ffffff;
  --focus: #fbf0d0;
  --mark: #f3e2a9;
  --danger: #8a2d1f;
  --radius: 10px;
  --ui: "Rubik", system-ui, sans-serif;
  --read: "Frank Ruhl Libre", "David", serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --surface: #1f1e1b;
    --line: #34312c;
    --text: #ece7de;
    --muted: #a39b8f;
    --primary: #7fb28b;
    --primary-ink: #10140f;
    --focus: #302b1b;
    --mark: #66551f;
    --danger: #e0907f;
    color-scheme: dark;
  }
  .passage.focus { box-shadow: inset 0 0 0 1px #61583c; }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--ui); }
a { color: var(--primary); }
button, input { font: inherit; color: inherit; }
[hidden] { display: none !important; }
:where(a, button, input):focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }

.top { position: sticky; top: 0; z-index: 5; background: var(--surface); border-bottom: 1px solid var(--line); }
.top-inner { max-width: 760px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 16px; }
.brand { font: 700 1.35rem var(--read); color: var(--text); text-decoration: none; }
.nav { display: flex; gap: 4px; }
.nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); }
.nav a[aria-current="page"] { color: var(--text); background: var(--bg); }
.who { margin-inline-start: auto; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .9rem; }
.link-btn { min-height: 44px; background: none; border: 0; padding: 6px 8px; color: var(--primary); cursor: pointer; text-decoration: underline; }

.main { max-width: 760px; margin: 0 auto; padding: 20px 16px 64px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.signin { max-width: 440px; margin: 10vh auto 0; text-align: center; }
.signin h1 { font: 700 2rem var(--read); margin: 0 0 8px; }
.signin p { color: var(--muted); margin: 0 0 20px; }
.notice { border-radius: 8px; padding: 10px 12px; margin: 0 0 16px; background: var(--focus); text-align: start; }
.notice.error { color: var(--danger); }

.btn { display: inline-block; border: 0; border-radius: 8px; padding: 12px 20px; min-height: 44px;
  background: var(--primary); color: var(--primary-ink); text-decoration: none; cursor: pointer; font-weight: 500; }
.btn.secondary { background: transparent; color: var(--primary); border: 1px solid var(--line); }

.search-form { display: flex; gap: 8px; margin-bottom: 16px; }
.search-form input, .filter { flex: 1; min-width: 0; min-height: 44px; padding: 10px 14px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--surface); }
.search-form input:focus, .filter:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

.status { color: var(--muted); margin: 8px 0 16px; }
.results { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.result a { display: block; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); color: inherit; text-decoration: none; }
.result a:hover, .result a:focus-visible { border-color: var(--primary); }
.result .where { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; margin-bottom: 8px; }
.result .title { margin: 0; font: 600 1rem/1.4 var(--ui); }
.result .ref, .passage .ref { color: var(--muted); font-size: .8rem; direction: ltr; unicode-bidi: isolate; }
.snippet { font: 1.08rem/1.75 var(--read); margin: 0;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 5; overflow: hidden; }
mark { background: var(--mark); color: inherit; border-radius: 2px; }

.reader-head, .passages, .more { width: min(100%, 42rem); margin-inline: auto; }
.reader-head { margin-bottom: 12px; }
.reader-head h1 { font: 700 1.6rem var(--read); margin: 4px 0; }
.reader-head .meta { color: var(--muted); font-size: .9rem; }
.passages { display: grid; gap: 2px; }
.passage { padding: 10px 12px; border-radius: 8px; scroll-margin-top: 80px; }
.passage.focus { background: var(--focus); }
.passage p { font: clamp(1.2rem, 1.1rem + .35vw, 1.35rem)/1.85 var(--read); margin: 0; white-space: pre-line; }
.passage .ref { display: block; text-align: right; margin-bottom: 2px; }
.more { display: flex; justify-content: center; margin: 12px 0; }

.books { list-style: none; margin: 12px 0 0; padding: 0; }
.books h2 { font-size: .95rem; color: var(--muted); margin: 18px 0 6px; font-weight: 500; }
.books a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 4px; min-height: 44px;
  border-bottom: 1px solid var(--line); color: inherit; text-decoration: none; }
.books .count { color: var(--muted); font-size: .85rem; white-space: nowrap; }

@media (max-width: 520px) {
  .top-inner { flex-wrap: wrap; gap: 8px 12px; }
  .top-inner { gap: 4px 8px; }
  .nav a { padding-inline: 8px; }
  .who { font-size: .85rem; }
  .card { padding: 20px 16px; }
}