/* База знаний: /faq (routes/faq). Каркас - app/public.html для гостя, app/base.html в кабинете */

.kb--public { padding-top: 40px; padding-bottom: 96px; }
.kb > * + * { margin-top: 24px; }

/* ---------- хлебные крошки ---------- */
.kb-crumbs { display: flex; align-items: center; gap: 4px 6px; flex-wrap: wrap; font-size: 13px; color: var(--text-3); }
.kb-crumbs a { display: inline-flex; align-items: center; gap: 6px; color: var(--text-2); font-weight: 600; }
.kb-crumbs a:hover { color: var(--brand); }
.kb-crumbs a i { font-size: 16px; }
.kb-crumbs > i { font-size: 16px; }
.kb-crumbs span { color: var(--text); font-weight: 600; }

/* ---------- шапка оглавления ---------- */
.kb-hero { max-width: 760px; }
.kb-hero h1, .kb-page-head h1 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.15; letter-spacing: -.02em; font-weight: 800; }
.kb-hero > p { margin-top: 12px; font-size: 15px; line-height: 1.6; }
.kb-hero__nav { margin-top: 16px; }

.kb-search {
  position: relative; display: flex; align-items: center; margin-top: 24px;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius);
  box-shadow: var(--shadow); transition: border-color .15s, box-shadow .15s;
}
.kb-search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.kb-search > i { position: absolute; left: 16px; font-size: 20px; color: var(--text-3); pointer-events: none; }
.kb-search__input { flex: 1; min-width: 0; height: 52px; padding: 0 16px 0 46px; border: 0; background: none; font-size: 15px; }
.kb-search__input:focus { outline: none; }
.kb-search__input::placeholder { color: var(--text-3); }
.kb-search kbd, .kb kbd {
  margin-right: 14px; padding: 2px 7px; border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 6px;
  background: var(--surface-2); font: 600 12px/1.4 var(--font); color: var(--text-2);
}

/* ---------- чипы ---------- */
.kb-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.kb-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px;
  border: 1px solid var(--border); border-radius: 99px; background: var(--surface);
  font-size: 13px; font-weight: 600; color: var(--text);
  transition: border-color .15s, color .15s;
}
.kb-chip:hover { border-color: var(--brand); color: var(--brand); }
.kb-chip i { font-size: 15px; color: var(--text-3); }
.kb-chip .subtle { font-size: 12px; }

/* ---------- список вопросов ---------- */
.kb-qs { list-style: none; margin: 0; padding: 0; }
.kb-q {
  display: flex; align-items: flex-start; gap: 10px; padding: 8px 10px; margin: 0 -10px;
  border-radius: var(--radius-sm); color: var(--text); font-size: 14px; line-height: 1.45;
  transition: background .15s, color .15s;
}
.kb-q i { flex-shrink: 0; margin-top: 1px; font-size: 18px; color: var(--text-3); transition: color .15s; }
.kb-q:hover { background: var(--surface-hover); color: var(--brand); }
.kb-q:hover i { color: var(--brand); }
.kb-q.is-current { background: var(--brand-soft); color: var(--brand-soft-text); font-weight: 600; }
.kb-q.is-current i { color: var(--brand); }
.kb-q em { font-style: normal; vertical-align: middle; height: 20px; font-size: 11px; }
.kb-q small { display: block; margin-top: 2px; font-size: 12px; color: var(--text-3); }
.kb-q mark { background: var(--warning-soft); color: inherit; border-radius: 3px; padding: 0 1px; }

/* ---------- популярные ---------- */
.kb-popular { padding: 20px 24px; }
.kb-popular__title { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 16px; }
.kb-popular__title i { font-size: 20px; color: var(--brand); }
.kb-popular .kb-qs { columns: 2; column-gap: 32px; }
.kb-popular .kb-qs li { break-inside: avoid; }
@media (max-width: 760px) { .kb-popular .kb-qs { columns: 1; } }

/* ---------- раздел и сетка блоков ---------- */
.kb-section { scroll-margin-top: 90px; }
.kb-section + .kb-section { margin-top: 48px; }
.kb-section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 20px; flex-wrap: wrap; margin-bottom: 16px; }
.kb-section__head h2 { font-size: 22px; letter-spacing: -.015em; }
.kb-section__head h2 a { color: var(--text); }
.kb-section__head h2 a:hover { color: var(--brand); }
.kb-section__head p { margin-top: 6px; max-width: 680px; }

.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; align-items: start; }
.kb-grid--wide { grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); }
@media (max-width: 520px) { .kb-grid, .kb-grid--wide { grid-template-columns: 1fr; } }

.kb-block { padding: 20px 22px; }
.kb-block__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.kb-block__title { font-size: 16px; font-weight: 700; color: var(--text); }
a.kb-block__title:hover { color: var(--brand); }
.kb-block__opis { margin-top: 4px; font-size: 13px; }
.kb-block .kb-qs { margin-top: 10px; }
.kb-block .kb-chips { margin-top: 12px; }
.kb-block__more { display: inline-flex; align-items: center; gap: 4px; margin-top: 10px; font-size: 13px; font-weight: 700; }
.kb-block__more i { font-size: 18px; }

.kb-sub { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.kb-sub__title { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); }
.kb-sub__title:hover { color: var(--brand); }
.kb-sub__title i { font-size: 18px; color: var(--text-3); }
.kb-sub .kb-qs { margin-top: 6px; }
.kb-sub .kb-chip { margin-top: 6px; }

/* ---------- заголовок раздела/блока ---------- */
.kb-page-head { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; max-width: 760px; }
.kb-page-head p { font-size: 15px; line-height: 1.6; }

/* ---------- поиск: результаты ---------- */
.kb-results { padding: 20px 24px; }
.kb-results__head { margin-bottom: 8px; font-size: 14px; }
.kb-results .kb-qs:empty { display: none; }

/* ---------- статья ---------- */
.kb-post { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.kb-article { padding: 36px 44px; }
.kb-article__head h1 { font-size: clamp(24px, 3vw, 32px); line-height: 1.2; letter-spacing: -.02em; font-weight: 800; }
.kb-article__meta { display: flex; align-items: center; gap: 8px 18px; flex-wrap: wrap; margin-top: 12px; font-size: 13px; color: var(--text-3); }
.kb-article__meta > span:not(.badge), .kb-article__meta > a { display: inline-flex; align-items: center; gap: 6px; }
.kb-article__meta i { font-size: 16px; }

.kb-aside { position: sticky; top: calc(var(--topbar-h) + 20px); display: flex; flex-direction: column; gap: 16px; max-height: calc(100vh - var(--topbar-h) - 40px); overflow-y: auto; }
.kb--public .kb-aside { top: 92px; max-height: calc(100vh - 112px); }
.kb-toc, .kb-related { padding: 18px 20px; }
.kb-toc__title { margin-bottom: 8px; font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }
.kb-toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.kb-toc li { counter-increment: toc; }
.kb-toc a {
  display: flex; gap: 8px; padding: 6px 0; font-size: 13px; line-height: 1.4; color: var(--text-2);
  border-left: 2px solid transparent; transition: color .15s;
}
.kb-toc a::before { content: counter(toc); min-width: 14px; color: var(--text-3); font-variant-numeric: tabular-nums; }
.kb-toc a:hover, .kb-toc a.is-active { color: var(--brand); }
.kb-related .kb-q { font-size: 13px; padding: 6px 10px; }
.kb-related .kb-q i { font-size: 16px; }

/* на узком экране оглавление - внутри статьи, боковая колонка уходит вниз */
.kb-toc--inline { display: none; margin-top: 24px; padding: 16px 18px; border-radius: var(--radius); background: var(--surface-2); border: 1px solid var(--border); }
@media (max-width: 1100px) {
  .kb-post { grid-template-columns: 1fr; }
  .kb-aside { position: static; max-height: none; overflow: visible; }
  .kb-aside .kb-toc { display: none; }
  .kb-toc--inline { display: block; }
}
@media (max-width: 640px) { .kb-article { padding: 24px 18px; } }

/* текст статьи */
.kb-content { margin-top: 28px; font-size: 15.5px; line-height: 1.7; color: var(--text); overflow-wrap: anywhere; }
.kb-content > * + * { margin-top: 14px; }
.kb-content h2 { margin-top: 36px; font-size: 21px; line-height: 1.3; scroll-margin-top: 90px; }
.kb-content h3 { margin-top: 26px; font-size: 17px; line-height: 1.35; }
.kb-content h2 + *, .kb-content h3 + * { margin-top: 10px; }
.kb-content a { font-weight: 600; text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--brand) 35%, transparent); text-underline-offset: 3px; }
.kb-content a:hover { text-decoration-color: var(--brand); }
.kb-content ul, .kb-content ol { padding-left: 24px; }
.kb-content li + li { margin-top: 6px; }
.kb-content li::marker { color: var(--text-3); }
.kb-content ol > li::marker { font-weight: 700; }
.kb-content li > ul, .kb-content li > ol { margin-top: 6px; }
.kb-content hr { border: 0; height: 1px; margin: 28px 0; background: var(--border); }
.kb-content b, .kb-content strong { font-weight: 700; }

.kb-figure { margin: 20px 0; }
.kb-figure img {
  display: block; max-width: 100%; height: auto; margin: 0 auto;
  border: 1px solid var(--border); border-radius: var(--radius); background: #fff;
}
.kb-figure--gif img { max-width: 360px; }
.kb-video { position: relative; aspect-ratio: 16 / 9; margin: 20px 0; border-radius: var(--radius); overflow: hidden; background: #000; }
.kb-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.kb-note { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--radius); background: var(--brand-soft); color: var(--text); }
.kb-note i { flex-shrink: 0; font-size: 20px; color: var(--brand); margin-top: 2px; }

/* соседние вопросы */
.kb-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.kb-pager__link {
  display: flex; flex-direction: column; gap: 4px; padding: 14px 16px;
  border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-weight: 600; font-size: 14px; line-height: 1.4;
  transition: border-color .15s, color .15s;
}
.kb-pager__link:hover { border-color: var(--brand); color: var(--brand); }
.kb-pager__link .subtle { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; }
.kb-pager__link--next { grid-column: 2; text-align: right; align-items: flex-end; }
@media (max-width: 640px) { .kb-pager { grid-template-columns: 1fr; } .kb-pager__link--next { grid-column: auto; } }

/* ---------- не нашли ответ ---------- */
.kb .kb-help { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 48px; padding: 24px 28px; }
.kb-help__icon { display: grid; place-items: center; flex-shrink: 0; width: 52px; height: 52px; border-radius: 14px; background: var(--brand-grad); color: #fff; font-size: 26px; }
.kb-help__body { flex: 1; min-width: 240px; }
.kb-help__body h2 { font-size: 18px; }
.kb-help__body p { margin-top: 4px; font-size: 14px; }
.kb-help__actions { display: flex; gap: 8px; flex-wrap: wrap; }