/* Конвертор УПД. Цвета, шрифты и отступы по макету design/Assistant.dc.html */
:root {
  --bg: #F6F5F1;
  --surface: #FFFFFF;
  --surface-2: #FAFAF7;
  --chip: #EFEDE7;
  --line: #DAD7CE;
  --line-soft: #EEECE6;
  --text: #16202E;
  --text-2: #3E4757;
  --muted: #586172;
  --accent: #1D4ED8;
  --accent-hover: #163BA6;
  --accent-soft: #E4EBFC;
  --drop-line: #B9C6EA;
  --drop-bg: #F7F9FF;
  --green: #1E7A4C;
  --green-soft: #E6F2EC;
  --amber: #A35C00;
  --amber-soft: #FBEEDB;
  --red: #B42318;
  --red-soft: #FDECEA;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: 'Golos Text', system-ui, sans-serif; font-size: 15px; line-height: 1.5;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; }
code, .mono { font-family: var(--mono); font-size: 0.86em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header .bar { padding: 0 24px; min-height: 56px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 32px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 16px; }
.logo:hover { color: var(--text); }
.logo-mark { width: 26px; height: 26px; border-radius: 7px; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 11px; font-weight: 500; }
.ver { font-family: var(--mono); font-size: 11px; color: var(--muted); background: var(--chip); padding: 3px 8px; border-radius: 6px; font-weight: 500; }
.nav { display: flex; flex-wrap: wrap; gap: 0 24px; flex: 1 1 auto; align-self: stretch; }
.nav a { color: var(--muted); text-decoration: none; display: flex; align-items: center; min-height: 56px; }
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--text); font-weight: 600; box-shadow: inset 0 -2px 0 var(--accent); }
.user-box { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.user-box .email { color: var(--muted); font-size: 13px; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-box form { margin: 0; }

/* ---------- buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 0 14px; border-radius: 8px; font: inherit; font-weight: 600; font-size: 14px; text-decoration: none; cursor: pointer; border: 1px solid var(--line); background: var(--surface); color: var(--text); }
.btn:hover { color: var(--text); border-color: #C9C5B9; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; min-height: 44px; padding: 0 22px; font-size: 15px; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-soft { background: var(--accent-soft); border-color: var(--accent-soft); color: var(--accent); }
.btn-soft:hover { color: var(--accent-hover); border-color: var(--drop-line); }
.btn-danger { color: var(--red); }
.btn-link { border: 0; background: none; color: var(--muted); padding: 0 6px; min-height: 32px; font-weight: 500; }
.btn-link:hover { color: var(--text); }
.btn svg { flex: 0 0 auto; }

/* ---------- layout */
main { flex: 1 1 auto; }
.workspace { display: flex; flex-wrap: wrap; align-items: stretch; }
.side { flex: 1 1 260px; max-width: 320px; min-width: 0; padding: 32px 24px; display: flex; flex-direction: column; gap: 28px; border-right: 1px solid var(--line); }
.work { flex: 999 1 460px; min-width: 0; padding: 32px 24px 48px; display: flex; flex-direction: column; gap: 20px; }
@media (max-width: 760px) {
  /* На телефоне инструмент сразу под заголовком, подсказки после него */
  .workspace { display: flex; flex-direction: column; }
  .side { display: contents; }
  .side > *, .work { flex: none; width: 100%; min-width: 0; max-width: none; }
  .side > * { padding: 0 16px; }
  .side > .side-group:first-child { order: 1; padding-top: 20px; }
  .work { order: 2; padding: 16px 16px 8px; }
  .side > .side-group:not(:first-child), .side > .downloads { order: 3; margin-top: 20px; }
  .side > .downloads { margin-bottom: 28px; }
  .site-header .bar { padding: 0 16px; gap: 0 16px; }
  .nav { order: 3; flex: 1 1 100%; flex-wrap: nowrap; overflow-x: auto; gap: 0 20px; scrollbar-width: none; }
  .nav a { min-height: 44px; white-space: nowrap; }
  .user-box { margin-left: auto; }
  .user-box .btn { min-height: 36px; padding: 0 10px; font-size: 13px; }
  .logo .ver { display: none; }
}
.side h1, .page-head h1 { margin: 0; font-size: 26px; line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
.lead { margin: 0; color: var(--text-2); font-size: 14px; }
.side-group { display: flex; flex-direction: column; gap: 10px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.steps { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; font-size: 14px; }
.steps li { display: flex; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line-soft); }
.steps li:last-child { border-bottom: 1px solid var(--line-soft); }
.steps .num { width: 22px; height: 22px; border-radius: 50%; background: var(--text); color: #fff; font-size: 12px; font-weight: 600; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.checks { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--text-2); font-size: 14px; }
.checks li { display: flex; gap: 8px; align-items: flex-start; }
.checks svg { flex: 0 0 auto; margin-top: 3px; }
.downloads { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.file-link { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 44px; padding: 0 14px; border-radius: 8px; background: var(--surface); border: 1px solid var(--line); color: var(--text); text-decoration: none; font-weight: 600; font-size: 14px; }
.file-link:hover { color: var(--text); border-color: #C9C5B9; }
.file-link small { font-family: var(--mono); font-size: 11px; color: var(--muted); font-weight: 400; }

/* ---------- cards */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding: 0 20px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.card-head h2 { margin: 0; font-size: 15px; font-weight: 600; padding: 14px 0; }
.card-head .hint { font-size: 13px; color: var(--muted); }
.card-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.tabs { display: flex; gap: 0; }
.tab { min-height: 48px; padding: 0 4px; margin-right: 20px; border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 14px; font-weight: 500; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; }
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--text); font-weight: 600; box-shadow: inset 0 -2px 0 var(--accent); }
.tabs-small .tab { min-height: 0; padding: 14px 0; margin: 0 0 0 16px; }
.tabs-small .tab[aria-selected="true"] { box-shadow: inset 0 -2px 0 var(--text); }
.card-head .spacer { margin-left: auto; }

.drop { position: relative; border: 1.5px dashed var(--drop-line); background: var(--drop-bg); border-radius: 10px; padding: 32px 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 20px; cursor: pointer; }
.drop.is-over { border-color: var(--accent); background: var(--accent-soft); }
.drop.small { padding: 20px; }
.drop-text { display: flex; flex-direction: column; gap: 2px; flex: 1 1 220px; min-width: 0; }
.drop-title { font-size: 17px; font-weight: 600; overflow-wrap: anywhere; }
.drop-hint { color: var(--muted); font-size: 13px; }
.drop-btn { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 8px; background: var(--surface); border: 1px solid var(--drop-line); color: var(--accent); font-weight: 600; font-size: 14px; }
.drop input[type=file] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.drop:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.form-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; }
.opts { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--text-2); font-size: 14px; align-items: center; }
.opts label { display: flex; gap: 8px; align-items: center; }
.opts input[type=radio], .opts input[type=checkbox] { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); }
.anon-note { display: flex; flex-direction: column; gap: 4px; align-items: flex-end; font-size: 13px; color: var(--muted); text-align: right; }
textarea, input[type=email], input[type=password], input[type=text], select { font: inherit; font-size: 14px; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; width: 100%; }
textarea { min-height: 120px; font-family: var(--mono); font-size: 12px; resize: vertical; }
textarea:focus, input:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.field > span { font-weight: 600; }
.field small { color: var(--muted); font-size: 12px; }

.alert { border-radius: 10px; padding: 12px 14px; font-size: 14px; display: flex; gap: 10px; align-items: flex-start; }
.alert-error { background: var(--red-soft); color: #7A1A12; }
.alert-ok { background: var(--green-soft); color: #14532D; }
.alert-warn { background: var(--amber-soft); color: #6B3D00; }

/* таблица «Как устроен файл» */
.table-scroll { overflow-x: auto; }
.grid-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
.grid-table th { text-align: left; padding: 10px 20px; font-weight: 500; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--line-soft); }
.grid-table td { padding: 10px 20px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.grid-table tr:last-child td { border-bottom: 0; }
.grid-table .val { color: var(--muted); }
.grid-table .path { font-family: var(--mono); font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }

.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 760px) { .tiles { grid-template-columns: 1fr; } }
.tile { text-decoration: none; color: inherit; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; gap: 12px; align-items: flex-start; min-width: 0; }
.tile:hover { color: inherit; border-color: #C9C5B9; }
.tile-ico { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.tile-ico.blue { background: var(--accent-soft); color: var(--accent); }
.tile-ico.green { background: var(--green-soft); color: var(--green); }
.tile-ico.amber { background: var(--amber-soft); color: var(--amber); }
.tile b { display: block; font-weight: 600; }
.tile small { color: var(--muted); font-size: 13px; }

/* ---------- article */
.article-wrap { border-top: 1px solid var(--line); background: var(--surface); }
.article-wrap.plain { border-top: 0; background: transparent; }
.article { max-width: 780px; margin: 0 auto; padding: 40px 24px 56px; }
@media (max-width: 760px) { .article { padding: 28px 16px 40px; } }
.crumbs { display: flex; flex-wrap: wrap; gap: 4px 8px; font-size: 13px; color: var(--muted); margin: 0 0 16px; padding: 0; list-style: none; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--line); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.page-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.page-head h1 { font-size: 32px; }
.prose { font-size: 16px; line-height: 1.65; color: var(--text); overflow-wrap: break-word; }
.prose h2 { font-size: 22px; line-height: 1.25; margin: 36px 0 12px; letter-spacing: -0.01em; }
.prose h3 { font-size: 18px; margin: 28px 0 8px; }
.prose h4 { font-size: 16px; margin: 20px 0 6px; }
.prose p, .prose ul, .prose ol { margin: 0 0 14px; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin: 4px 0; }
.prose li > ul, .prose li > ol { margin: 6px 0; }
.prose blockquote { margin: 0 0 16px; padding: 12px 16px; border-left: 3px solid var(--accent); background: var(--drop-bg); border-radius: 0 8px 8px 0; color: var(--text-2); }
.prose blockquote p:last-child { margin: 0; }
.prose pre { background: #101826; color: #E6E9EF; padding: 14px 16px; border-radius: 10px; overflow-x: auto; font-size: 13px; line-height: 1.5; margin: 0 0 16px; }
.prose pre code { font-size: inherit; }
.prose :not(pre) > code { background: var(--chip); padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.table-wrap { overflow-x: auto; margin: 0 0 18px; border: 1px solid var(--line); border-radius: 10px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.45; }
.prose th { text-align: left; background: var(--surface-2); font-weight: 600; }
.prose th, .prose td { padding: 9px 12px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.prose tr:last-child td { border-bottom: 0; }
.prose .cta { margin: 20px 0; }
.related { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.related h2 { margin: 0 0 12px; font-size: 18px; }
.related ul { margin: 0; padding-left: 20px; }
.cta-card { margin-top: 36px; background: var(--drop-bg); border: 1px solid var(--drop-line); border-radius: var(--radius); padding: 20px; display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.cta-card b { display: block; font-size: 17px; }
.cta-card span { color: var(--muted); font-size: 14px; }

/* ---------- blog */
.blog-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.blog-group { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.blog-group h2 { margin: 0 0 10px; font-size: 16px; }
.blog-group h2 a { color: var(--text); text-decoration: none; }
.blog-group h2 a:hover { color: var(--accent); }
.blog-group ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.blog-group li a { text-decoration: none; }
.container { max-width: 1120px; margin: 0 auto; padding: 32px 24px 56px; }
@media (max-width: 760px) { .container { padding: 24px 16px 40px; } }

/* ---------- result */
.result-grid { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
.result-main { flex: 999 1 480px; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
.result-side { flex: 1 1 280px; min-width: 0; }
.done { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.done-title { display: flex; gap: 12px; align-items: center; min-width: 0; }
.done-title .ico { width: 40px; height: 40px; border-radius: 10px; background: var(--green-soft); color: var(--green); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.done-title b { display: block; font-size: 17px; }
.done-title .fname { font-family: var(--mono); font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.issues { list-style: none; margin: 0; padding: 0; }
.issues li { display: flex; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--line-soft); font-size: 14px; }
.issues li:last-child { border-bottom: 0; }
.badge { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 999px; font-size: 12px; font-weight: 600; flex: 0 0 auto; }
.badge-error { background: var(--red-soft); color: var(--red); }
.badge-warn { background: var(--amber-soft); color: var(--amber); }
.badge-ok { background: var(--green-soft); color: var(--green); }
.issue-where { display: block; font-family: var(--mono); font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.facts { margin: 0; padding: 4px 20px 12px; }
.facts div { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line-soft); font-size: 14px; }
.facts div:last-child { border-bottom: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; text-align: right; font-weight: 500; overflow-wrap: anywhere; min-width: 0; }

/* ---------- auth */
.auth { max-width: 420px; margin: 48px auto; padding: 0 16px; }
.auth .card-body { gap: 14px; }
.auth h1 { margin: 0; font-size: 24px; }
.check-line { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: var(--text-2); }
.check-line input { margin-top: 3px; accent-color: var(--accent); }

/* ---------- footer */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); }
.site-footer .cols { padding: 24px; display: flex; flex-wrap: wrap; gap: 20px 48px; }
.site-footer nav { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.site-footer nav a { color: var(--text-2); text-decoration: none; }
.site-footer nav a:hover { color: var(--accent); }
.site-footer .bottom { padding: 16px 24px; border-top: 1px solid var(--line-soft); display: flex; flex-wrap: wrap; gap: 8px 32px; justify-content: space-between; color: var(--muted); font-size: 13px; }
@media (max-width: 760px) { .site-footer .cols, .site-footer .bottom { padding-left: 16px; padding-right: 16px; } }
[hidden] { display: none !important; }
@media (max-width: 760px) { .card-head .hint.spacer { margin-left: 0; padding-bottom: 12px; } }