/* Public reference book (/spravochnik): the app's palette and fonts, large readable text, no scripts. */
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 400; font-display: swap; src: url('sans-cyr-400.woff2') format('woff2'); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 400; font-display: swap; src: url('sans-lat-400.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215; }
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 700; font-display: swap; src: url('sans-cyr-700.woff2') format('woff2'); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 700; font-display: swap; src: url('sans-lat-700.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215; }
@font-face { font-family: 'Lora'; font-style: normal; font-weight: 400 700; font-display: swap; src: url('lora.woff') format('woff'); }

:root {
  --bg: #f4f6f3; --card: #ffffff; --card-2: #edf1ec; --text: #1f2924; --text-2: #4b5751; --muted: #6d7973;
  --accent: #3651d4; --accent-dark: #22349a; --accent-light: #e7ecff; --ok: #2f8f5b; --ok-light: #e0f2e7;
  --rye: #f2b640; --warn: #8a5608; --warn-light: #fcefd0; --border: #dbe0d8; --border-soft: #e4e9e3;
  --shadow: 0 1px 2px rgba(42, 36, 31, .05), 0 8px 22px -14px rgba(54, 81, 212, .28);
  --serif: 'Lora', Georgia, 'Times New Roman', serif;
  --sans: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c; --card: #1a1f27; --card-2: #212732; --text: #eceff3; --text-2: #b8bfca; --muted: #8a92a0;
    --accent: #8ea2ff; --accent-dark: #c7d1ff; --accent-light: #232c52; --ok: #5cc48b; --ok-light: #1d3a2a;
    --rye: #f5c565; --warn: #f5c565; --warn-light: #3a2f18; --border: #2d3441; --border-soft: #262c37;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 26px -16px rgba(0, 0, 0, .7);
  }
  .entry-art { background: #e9e5da; }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); font-size: 18px; line-height: 1.6; background: var(--bg); color: var(--text); overflow-wrap: break-word; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.25; margin: 0; font-weight: 650; }
h1 { font-size: clamp(30px, 6vw, 40px); }
h2 { font-size: 24px; margin: 30px 0 10px; }
h3 { font-size: 20px; margin: 20px 0 8px; }
h4 { font-size: 18px; margin: 14px 0 6px; }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 12px; padding-left: 1.3em; }
li { margin: 4px 0; }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

/* Header */
.top { background: var(--card); border-bottom: 1px solid var(--border); }
.top-in { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-family: var(--serif); font-size: 21px; font-weight: 700; margin-right: auto; }
.brand img { border-radius: 10px; display: block; }
.menu { display: flex; align-items: center; gap: 6px 16px; flex-wrap: wrap; font-size: 17px; }
.menu a { text-decoration: none; font-weight: 700; padding: 6px 2px; }
.menu a[aria-current] { color: var(--text); border-bottom: 3px solid var(--rye); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 18px; border-radius: 14px; font-weight: 700;
  text-decoration: none; border: 1.5px solid var(--border); background: var(--card); color: var(--accent); line-height: 1.25; text-align: center; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); color: #fff; }
.menu .btn { min-height: 42px; padding: 8px 14px; }
@media (prefers-color-scheme: dark) { .btn.primary, .btn.primary:hover { color: #0e1433; } }

/* Breadcrumbs */
.crumbs ol { list-style: none; padding: 0; margin: 16px 0 6px; display: flex; flex-wrap: wrap; gap: 2px 0; font-size: 16px; color: var(--muted); }
.crumbs li { margin: 0; }
.crumbs li + li::before { content: '›'; margin: 0 8px; color: var(--muted); }
.crumbs [aria-current] { color: var(--text-2); }

/* Page heads */
.hero { margin: 18px 0 8px; }
.hero h1 { margin-bottom: 10px; }
.lead { font-size: 19px; color: var(--text-2); margin-top: 8px; }
.entry-head { display: flex; gap: 18px; align-items: center; margin: 14px 0 10px; }
.entry-art { width: 120px; height: 120px; border-radius: 22px; object-fit: cover; flex-shrink: 0; background: var(--card-2); box-shadow: var(--shadow); }
@media (min-width: 640px) { .entry-art { width: 160px; height: 160px; } }
.kicker { margin: 0 0 4px; color: var(--muted); font-size: 16px; font-weight: 700; }
.latin { font-style: italic; color: var(--text-2); margin: 6px 0 0; }
.up { margin: 6px 0 0; }

/* Content */
.entry section { margin-top: 6px; }
.entry section > h2 { padding-top: 6px; border-top: 1px solid var(--border-soft); }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin: 14px 0; padding: 0; }
.facts div { background: var(--card); border: 1px solid var(--border-soft); border-radius: 14px; padding: 10px 14px; }
.facts dt { color: var(--muted); font-size: 15px; }
.facts dd { margin: 0; font-weight: 700; }
.chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 14px; }
.chips li { margin: 0; }
.chips a, .chips span { display: inline-block; padding: 7px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--border); text-decoration: none; font-weight: 600; }
.chips span { color: var(--text-2); font-weight: 400; }
.chips a:hover { border-color: var(--accent); }
.links { list-style: none; padding: 0; margin: 8px 0 16px; display: grid; gap: 8px; }
.links li { margin: 0; background: var(--card); border: 1px solid var(--border-soft); border-radius: 14px; padding: 10px 14px; }
.links a { font-weight: 700; }
.hint { display: block; color: var(--text-2); font-size: 16px; }
.hint a { font-weight: 400; }
.count { display: inline-block; white-space: nowrap; flex-shrink: 0; min-width: 1.8em; padding: 0 8px; border-radius: 999px; background: var(--card-2); color: var(--text-2); font: 700 15px/1.6 var(--sans); text-align: center; vertical-align: middle; }
.about { color: var(--text-2); }
.toc { margin-top: 14px; }

.note { margin: 26px 0 8px; padding: 12px 14px; border-radius: 14px; background: var(--card-2); color: var(--text-2); font-size: 16px; }
.in-app { padding: 14px 16px; border-radius: 14px; background: var(--warn-light); border-left: 5px solid var(--rye); }
.in-app a { font-weight: 700; white-space: nowrap; }

/* Guides */
.gp.tip { padding: 12px 14px; border-radius: 14px; background: var(--accent-light); margin-bottom: 12px; }
.gp.tip.warn, .gp.tip.danger { background: var(--warn-light); }
.gp.tip.ok { background: var(--ok-light); }
.gp .lbl { font-weight: 700; margin-bottom: 2px; }
.card { background: var(--card); border: 1px solid var(--border-soft); border-radius: 18px; padding: 4px 16px 6px; margin: 12px 0; box-shadow: var(--shadow); }
.card > h3, .card > h4 { margin-top: 12px; }
.card .sub { color: var(--muted); margin-top: 2px; }
.qa { margin: 10px 0 14px; }
.q { font-weight: 700; margin-bottom: 4px; }
.table { overflow-x: auto; margin: 8px 0 16px; border: 1px solid var(--border-soft); border-radius: 14px; background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { text-align: left; vertical-align: top; padding: 8px 12px; border-bottom: 1px solid var(--border-soft); }
th { background: var(--card-2); font-weight: 700; }
tr:last-child td { border-bottom: 0; }

/* Index */
.secs { display: grid; gap: 16px; margin: 18px 0; }
@media (min-width: 760px) { .secs { grid-template-columns: 1fr 1fr; } }
.sec { background: var(--card); border: 1px solid var(--border-soft); border-radius: 22px; padding: 18px 18px 8px; box-shadow: var(--shadow); }
.sec h2 { margin: 0 0 8px; }
.sec h2 a { color: var(--text); text-decoration: none; }
.sec > p { color: var(--text-2); font-size: 17px; }
.groups { list-style: none; padding: 0; margin: 0 0 8px; }
.groups li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 9px 0; border-top: 1px solid var(--border-soft); margin: 0; }
.groups a { font-weight: 700; }
.all a { font-weight: 700; }

/* Call to action and footer */
.cta { margin: 34px 0 24px; padding: 20px; border-radius: 22px; background: var(--card); border: 2px solid var(--rye); box-shadow: var(--shadow); }
.cta h2 { margin: 0 0 8px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 0; }
.foot { border-top: 1px solid var(--border); padding: 18px 0 28px; color: var(--text-2); font-size: 16px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }

@media (max-width: 480px) {
  body { font-size: 17.5px; }
  .entry-head { flex-direction: row; align-items: flex-start; }
  .entry-art { width: 92px; height: 92px; border-radius: 18px; }
  .cta-row .btn { width: 100%; }
  /* Logo and «Открыть приложение» on the first line, the two links under them. */
  .top-in { gap: 4px 14px; }
  .menu { display: contents; }
  .menu .btn { order: 1; padding: 8px 12px; font-size: 16px; }
  .menu a:not(.btn) { order: 2; }
}
@media print { .top, .cta, .foot { display: none; } body { background: #fff; } }