:root {
  --ink: #201d17; --mut: #7d7566; --fade: #a49c8c; --line: #e5e0d2;
  --bg: #f6f4ee; --card: #fff; --gold: #b08428;
  --ok: #2f6b52; --ok-bg: #e4efe8; --no: #8c2f3d; --no-bg: #f5e3e5;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ece7dc; --mut: #a49c8c; --fade: #7d7566; --line: #3a352c;
    --bg: #17150f; --card: #221f18; --gold: #d3a54a;
    --ok: #7cc39d; --ok-bg: #1d3328; --no: #e48a97; --no-bg: #3a1e23;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px; line-height: 1.45; -webkit-tap-highlight-color: transparent;
}
h1, h2, .q-prompt, .today-n, .stats b, blockquote, .done-score {
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
}
h1 { font-size: 30px; letter-spacing: -.4px; margin: 0; }
h2 { font-size: 19px; margin: 0 0 10px; }
.mut { color: var(--mut); }
.small { font-size: 13px; }
.err { color: var(--no); }
code { font-size: 13px; }
[hidden] { display: none !important; }

.screen {
  max-width: 560px; margin: 0 auto; min-height: 100dvh;
  padding: calc(20px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));
}

/* Knoepfe */
.btn {
  font: inherit; font-weight: 600; border: 0; border-radius: 12px; cursor: pointer;
  background: var(--ink); color: var(--bg); padding: 12px 18px;
}
.btn:disabled { opacity: .45; cursor: default; }
.btn-big { display: block; width: 100%; padding: 16px; font-size: 17px; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-small { padding: 8px 14px; font-size: 14px; }

/* Schluessel */
#lock h1 { margin: 18vh 0 10px; }
#lock-form { display: flex; gap: 8px; margin-top: 18px; }
#lock-form input {
  flex: 1; min-width: 0; font: inherit; padding: 12px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}

/* Start */
.top { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 22px; }
.streak { font-size: 14px; color: var(--gold); font-weight: 600; }
.today {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 26px 20px 20px; text-align: center; margin-bottom: 18px;
}
.today-n { font-size: 64px; line-height: 1; }
.today-l { font-size: 15px; margin-top: 4px; }
.today-split { font-size: 13px; min-height: 18px; margin: 6px 0 20px; }
.today .btn-ghost { margin-top: 10px; width: 100%; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 26px; }
.stats div {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 8px; text-align: center;
}
.stats b { display: block; font-size: 22px; }
.stats span { font-size: 12px; color: var(--mut); }

.books { margin-bottom: 26px; }
#book-list { list-style: none; margin: 0; padding: 0; }
#book-list li { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
#book-list .t { color: inherit; text-decoration: none; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#book-list .m { width: 64px; height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; flex: none; }
#book-list .m i { display: block; height: 100%; background: var(--gold); }
#book-list .c { width: 44px; text-align: right; color: var(--mut); font-size: 12px; flex: none; }

.settings .row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px;
}
.settings select {
  font: inherit; padding: 6px 8px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
.settings p { margin: 8px 0; }

/* Nachschlagen */
.lookup { margin-bottom: 26px; }
#lookup-q {
  width: 100%; font: inherit; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
#lookup-list { list-style: none; margin: 6px 0 0; padding: 0; }
#lookup-list button {
  display: block; width: 100%; text-align: left; font: inherit; color: var(--ink);
  background: none; border: 0; border-bottom: 1px solid var(--line); padding: 11px 2px; cursor: pointer;
}
#lookup-list b { font-weight: 600; }
#lookup-list span { display: block; font-size: 13px; color: var(--mut); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Frage */
.play-top { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.x { font-size: 18px; background: none; border: 0; color: var(--mut); padding: 4px 6px; cursor: pointer; }
.bar { flex: 1; height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--gold); transition: width .25s; }
.q-book { font-size: 12px; letter-spacing: .4px; text-transform: uppercase; color: var(--mut); margin-bottom: 8px; }
.q-prompt { font-size: 23px; line-height: 1.3; margin: 0 0 22px; font-weight: normal; }
.q-opts { display: grid; gap: 10px; }
.q-opt {
  font: inherit; text-align: left; padding: 14px 16px; border-radius: 12px; cursor: pointer;
  background: var(--card); color: var(--ink); border: 1.5px solid var(--line);
}
.q-opt.ok { border-color: var(--ok); background: var(--ok-bg); }
.q-opt.no { border-color: var(--no); background: var(--no-bg); }
.locked .q-opt { cursor: default; }
.locked .q-opt:not(.ok):not(.no) { opacity: .55; }

.fb { margin-top: 22px; }
.fb-verdict { font-weight: 700; margin-bottom: 10px; }
.fb-verdict.ok { color: var(--ok); }
.fb-verdict.no { color: var(--no); }
.fb blockquote {
  margin: 0; padding: 2px 0 2px 14px; border-left: 3px solid var(--gold);
  font-size: 15px; line-height: 1.55; max-height: 40vh; overflow: auto;
}
.fb cite { display: block; font-style: normal; font-size: 12px; color: var(--mut); margin-top: 8px; }
.btn-next { margin-top: 22px; }
.fb-terms { margin-top: 16px; }
.fb-terms-h { font-size: 12px; letter-spacing: .4px; text-transform: uppercase; color: var(--mut); margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: inherit; font-size: 14px; color: var(--ink); background: var(--card); cursor: pointer;
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; min-height: 40px;
}
.term-link {
  font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer;
  text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 2px; text-underline-offset: 3px;
}

/* Begriffsfenster */
.sheet {
  border: 0; padding: 0; margin: auto 0 0; width: 100%; max-width: 100%; max-height: 85dvh;
  background: var(--bg); color: var(--ink); border-radius: 18px 18px 0 0;
}
@media (min-width: 600px) { .sheet { margin: auto; max-width: 560px; border-radius: 18px; } }
.sheet::backdrop { background: rgba(0, 0, 0, .45); }
.sheet-in { padding: 18px 16px calc(24px + env(safe-area-inset-bottom)); }
.sheet-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.sheet-top h2 { font-size: 24px; margin: 4px 0 12px; }
.sheet-label { font-size: 12px; letter-spacing: .4px; text-transform: uppercase; color: var(--mut); margin: 14px 0 6px; }
.term-def { margin: 0 0 4px; font-size: 16px; line-height: 1.5; }
.sheet .small { margin: 0 0 10px; }
.hits { list-style: none; margin: 0; padding: 0; }
.hits li { padding: 10px 0; border-top: 1px solid var(--line); }
.hits blockquote {
  margin: 0; padding: 0 0 0 12px; border-left: 3px solid var(--gold);
  font-size: 14.5px; line-height: 1.5;
}
.hits blockquote strong { font-weight: 700; background: color-mix(in srgb, var(--gold) 22%, transparent); border-radius: 3px; padding: 0 2px; }
.hits blockquote.cut { cursor: pointer; }
.hits cite { display: block; font-style: normal; font-size: 12px; color: var(--mut); margin-top: 6px; }
.fb-link, .h-link { color: var(--gold); text-decoration: none; font-size: 13px; font-weight: 600; }
.fb-link { display: inline-block; margin-top: 12px; }
.h-link { float: right; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; line-height: 26px; }

/* Ende */
#done { text-align: center; }
#done h1 { margin-top: 16vh; }
.done-score { font-size: 22px; margin: 14px 0 6px; }
#done .btn { margin-top: 28px; }