:root {
  --bg: #fbfaf7;
  --fg: #1c1c1c;
  --muted: #555;
  --line: #d6d2c8;
  --box: #f1eee6;
  --accent: #1f5f73;
  --accent-fg: #fff;
  --danger: #9b2c2c;
  --focus: #e0a400;
  font-size: 19px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161616;
    --fg: #eeeeea;
    --muted: #b3b3ab;
    --line: #3a3a36;
    --box: #222220;
    --accent: #7cc3d6;
    --accent-fg: #0d0d0d;
    --danger: #f08a8a;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 0 1rem; }
header {
  display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: baseline; justify-content: space-between;
  padding-top: 1rem; padding-bottom: .75rem; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
.local { font-size: .85rem; color: var(--muted); }
main { padding-top: 1.25rem; padding-bottom: 2rem; }
footer { font-size: .85rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 1rem; padding-bottom: 2rem; }

h1 { font-size: 1.6rem; line-height: 1.25; margin: .25rem 0 1rem; }
h1:focus { outline: none; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 .5rem; }
.lead { font-size: 1.1rem; }
.progress { color: var(--muted); font-size: .9rem; margin: 0; }
.ref { color: var(--muted); font-size: .85rem; border-left: 3px solid var(--line); padding-left: .6rem; }
.hint { background: var(--box); padding: .75rem 1rem; border-radius: 6px; }
.help { color: var(--muted); font-size: .9rem; margin: .1rem 0 .4rem; }

.box { background: var(--box); padding: .25rem 1.1rem .75rem; border-radius: 8px; margin: 1rem 0; }
.box.muted { background: transparent; border: 1px solid var(--line); }
blockquote { margin: .5rem 0; padding-left: .8rem; border-left: 3px solid var(--accent); }

fieldset { border: 1px solid var(--line); border-radius: 8px; padding: .75rem 1rem 1rem; margin: 1.25rem 0; }
legend { font-weight: 700; padding: 0 .3rem; }
.field { margin: 1rem 0; }
.field label { display: block; font-weight: 600; margin-bottom: .25rem; }
input[type=text], input[type=number], textarea {
  width: 100%; font: inherit; color: var(--fg); background: var(--bg);
  border: 2px solid var(--line); border-radius: 6px; padding: .55rem .7rem;
}
input[type=number] { max-width: 10rem; }
textarea { resize: vertical; }
.check { display: flex; gap: .7rem; align-items: flex-start; padding: .45rem 0; }
.check input { width: 1.4rem; height: 1.4rem; margin-top: .15rem; flex: none; accent-color: var(--accent); }
.check label { cursor: pointer; }

.nav { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0; }
.btn {
  display: inline-block; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  background: var(--accent); color: var(--accent-fg); border: 2px solid var(--accent);
  border-radius: 8px; padding: .6rem 1.2rem; min-height: 2.9rem;
}
.btn.secondary { background: transparent; color: var(--accent); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.linkish { font: inherit; background: none; border: 0; color: var(--accent); text-decoration: underline; cursor: pointer; padding: 0; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.tools { margin-top: 2rem; }
.tools summary { cursor: pointer; color: var(--muted); }

.box.warn { background: transparent; border: 2px solid var(--danger); }
.box ol { padding-left: 1.3rem; }
.box ol li { margin: .35rem 0; }
.banner { background: var(--focus); color: #111; padding: .6rem 1rem; text-align: center; }
.banner a { color: #111; font-weight: 700; }
.tabs-label { align-self: center; color: var(--muted); }
.tabs { display: flex; gap: .5rem; flex-wrap: wrap; margin: 1.5rem 0 .5rem; }
.tab { padding: .5rem .9rem; border: 2px solid var(--line); border-radius: 8px; text-decoration: none; color: var(--fg); }
.tab.active { border-color: var(--accent); font-weight: 700; }

.doc { background: #fff; color: #111; padding: 2rem 2.2rem; border: 1px solid var(--line); border-radius: 4px; margin: 1rem 0; font-size: .95rem; }
.doc h1 { font-size: 1.3rem; margin: 0; }
.doc h2 { font-size: 1.05rem; margin: 1.3rem 0 .3rem; }
.doc .sub { margin: .2rem 0 1rem; color: #444; }
.doc .meta { margin-bottom: 1rem; }
.doc .rating { font-style: italic; }
.doc .ref { color: #555; border-color: #ccc; }
.doc .empty { color: #666; }
.doc p { margin: .35rem 0; }
.sign { display: flex; gap: 3rem; margin-top: 3rem; }
.sign span { flex: 1; border-top: 1px solid #333; padding-top: .3rem; font-size: .85rem; }

@media (max-width: 30rem) {
  :root { font-size: 18px; }
  .doc { padding: 1.2rem 1rem; }
}

@media print {
  :root { font-size: 11pt; }
  body { background: #fff; color: #000; }
  .noprint, header, footer, main > section > h1, .progress { display: none !important; }
  main { max-width: none; padding: 0; }
  .doc { border: 0; padding: 0; margin: 0; font-size: 11pt; }
  .doc section, .keep-together { break-inside: avoid; }
  .doc h2 { break-after: avoid; }
  @page { size: A4; margin: 20mm 18mm; }
}