/* Оформление в духе печатной методички: бумага, тушь, тонкие линейки,
   засечки для текста методик и один акцент — красный карандаш проверяющего. */

:root {
  --paper: #f5f1e8;
  --sheet: #fbf9f4;
  --shade: #ece6d9;
  --ink: #1e1c19;
  --ink-2: #5b554b;
  --ink-3: #8a8377;
  --rule: #d6cebe;
  --red: #a3262a;
  --green: #3b6a3e;
  --ochre: #8f6410;
  --serif: 'PT Serif', Georgia, 'Times New Roman', serif;
  --sans: 'IBM Plex Sans', 'Segoe UI', Arial, sans-serif;
  --mono: 'IBM Plex Mono', Consolas, monospace;
  color-scheme: light;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1b1a18;
    --sheet: #222120;
    --shade: #2c2a27;
    --ink: #ebe5da;
    --ink-2: #b1aa9d;
    --ink-3: #847d71;
    --rule: #3d3a34;
    --red: #e07a70;
    --green: #93c08e;
    --ochre: #d8b25e;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; background: var(--paper); color: var(--ink); -webkit-font-smoothing: antialiased; }
a { color: var(--ink); text-decoration-color: var(--rule); text-underline-offset: 0.18em; }
a:hover { text-decoration-color: var(--red); }
::selection { background: color-mix(in srgb, var(--red) 22%, transparent); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; line-height: 1.2; letter-spacing: -0.005em; }
h1 { font-size: 2rem; margin: 0 0 0.6rem; }
h2 { font-size: 1.4rem; margin: 2.2rem 0 0.8rem; }
h3 { font-size: 1.15rem; margin: 1.6rem 0 0.4rem; }
h4 { font-size: 1rem; margin: 1.2rem 0 0.3rem; }
p { margin: 0.45rem 0; }
.muted { color: var(--ink-2); }
.small { font-size: 0.875rem; }
.nowrap { white-space: nowrap; }
.pre { white-space: pre-wrap; }
.prose { font-family: var(--serif); font-size: 1.06rem; line-height: 1.6; }
.label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-2); }
.mono, code, .kbd { font-family: var(--mono); font-size: 0.86em; }

/* ── шапка ── */
.topbar { background: var(--paper); border-bottom: 3px double var(--ink); }
.topbar-inner { max-width: 1080px; margin: 0 auto; padding: 1rem 1.25rem 0.7rem; display: flex; gap: 0.4rem 2rem; align-items: flex-end; flex-wrap: wrap; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1.1; color: var(--ink); }
.brand-title { font-family: var(--serif); font-size: 1.45rem; font-weight: 700; }
.brand-sub { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); margin-top: 0.2rem; }
.nav { display: flex; gap: 0.2rem 1.3rem; flex-wrap: wrap; flex: 1; padding-bottom: 0.15rem; }
.nav a { text-decoration: none; color: var(--ink-2); padding: 0.1rem 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); }
.nav a.active { color: var(--ink); border-bottom-color: var(--red); }
.badge-count { color: var(--red); font-size: 0.72rem; font-weight: 600; vertical-align: super; margin-left: 0.15em; }
.userbox { display: flex; gap: 0.8rem; align-items: baseline; font-size: 0.85rem; color: var(--ink-2); padding-bottom: 0.15rem; }

/* ── страница ── */
.page { max-width: 1080px; margin: 0 auto; padding: 2rem 1.25rem 5rem; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem 2rem; flex-wrap: wrap; margin-bottom: 1.2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--rule); }
.page-head h1 { margin-bottom: 0.2rem; }
.lead { font-family: var(--serif); font-size: 1.08rem; color: var(--ink-2); max-width: 46rem; }
.crumbs { font-size: 0.85rem; margin-bottom: 0.8rem; }
.crumbs a { color: var(--ink-2); }

.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: 2px; padding: 1.1rem 1.25rem; }
.card + .card { margin-top: 0.9rem; }
.row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.stack > * + * { margin-top: 0.6rem; }
.spacer { flex: 1; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 1.2rem 0; }

/* ── каталог (библиотека, формы) ── */
.catalog { border-top: 2px solid var(--ink); }
.entry { display: grid; grid-template-columns: 11rem 1fr; gap: 0.3rem 1.5rem; padding: 1.1rem 0; border-bottom: 1px solid var(--rule); text-decoration: none; color: inherit; }
.entry:hover .entry-title { text-decoration: underline; text-decoration-color: var(--red); }
.entry-side { display: flex; flex-direction: column; gap: 0.35rem; }
.entry-code { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-3); }
.entry-title { font-family: var(--serif); font-size: 1.22rem; font-weight: 700; line-height: 1.25; margin: 0; }
.entry-text { font-family: var(--serif); color: var(--ink-2); margin: 0.3rem 0; }
.entry-meta { font-size: 0.85rem; color: var(--ink-2); }
.toolbar { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; margin: 0 0 1.2rem; }

/* ── кнопки ── */
.btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.42rem 0.95rem; border-radius: 2px; border: 1px solid var(--ink); background: transparent; color: var(--ink); font: 500 0.92rem/1.3 var(--sans); cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--shade); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: color-mix(in srgb, var(--ink) 85%, var(--red)); }
.btn.danger { color: var(--red); border-color: color-mix(in srgb, var(--red) 55%, transparent); }
.btn.small { padding: 0.15rem 0.55rem; font-size: 0.82rem; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; background: transparent; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--red); cursor: pointer; font: inherit; text-decoration: underline; text-underline-offset: 0.18em; }

/* ── поля ── */
label.field { display: block; margin: 0.9rem 0; }
label.field > span { display: block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 0.3rem; }
label.field > small, .hint { display: block; color: var(--ink-3); font-size: 0.84rem; margin-top: 0.25rem; }
input[type=text], input[type=email], input[type=number], input[type=password], textarea, select {
  width: 100%; padding: 0.45rem 0.6rem; border: 1px solid var(--rule); border-bottom-color: var(--ink-3); border-radius: 2px; background: var(--sheet); color: var(--ink); font: inherit;
}
textarea { min-height: 5rem; resize: vertical; font-family: var(--serif); font-size: 1rem; line-height: 1.5; }
textarea.code { font-family: var(--mono); font-size: 0.78rem; min-height: 16rem; line-height: 1.45; }
input[type=number] { max-width: 8rem; }
input:focus, textarea:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--red) 60%, transparent); outline-offset: 0; border-color: var(--ink-2); }
input[type=checkbox], input[type=radio] { accent-color: var(--ink); }
.check { display: flex; gap: 0.55rem; align-items: flex-start; margin: 0.35rem 0; }
.check input { margin-top: 0.32rem; }

/* ── пометки статуса: как надписи на полях, без «пилюль» ── */
.tag { display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }
.tag.ok { color: var(--green); }
.tag.warn { color: var(--ochre); }
.tag.bad { color: var(--red); }
.tag.grey { color: var(--ink-3); }
.tag + .tag::before { content: '·'; margin: 0 0.5em 0 -0.1em; color: var(--ink-3); }

.notice { padding: 0.7rem 1rem; border-left: 3px solid var(--ink-3); background: color-mix(in srgb, var(--ink-3) 7%, var(--paper)); margin: 1rem 0; }
.notice.ok { border-left-color: var(--green); background: color-mix(in srgb, var(--green) 8%, var(--paper)); }
.notice.warn { border-left-color: var(--ochre); background: color-mix(in srgb, var(--ochre) 9%, var(--paper)); }
.notice.bad { border-left-color: var(--red); background: color-mix(in srgb, var(--red) 8%, var(--paper)); }
.notice.info { border-left-color: var(--ink); }
.notice ul { margin: 0.35rem 0 0; padding-left: 1.2rem; }

/* ── оглавление разделов и шаги мастера ── */
.tabs { display: flex; gap: 0.3rem 1.6rem; flex-wrap: wrap; margin: 1.4rem 0 1.2rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--rule); }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 0.2rem 0; margin-bottom: -0.45rem; font: inherit; color: var(--ink-2); cursor: pointer; }
.tabs button:hover { color: var(--ink); }
.tabs button.active { color: var(--ink); border-bottom-color: var(--red); }
.steps { display: flex; gap: 0.3rem 1.4rem; flex-wrap: wrap; margin: 1rem 0 1.4rem; padding: 0.7rem 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.steps button { background: none; border: 0; padding: 0; font: inherit; color: var(--ink-2); cursor: pointer; }
.steps button:hover { color: var(--ink); }
.steps button.active { color: var(--ink); font-weight: 600; text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 2px; text-underline-offset: 0.35em; }

/* ── таблицы: как в научной статье ── */
table { border-collapse: collapse; width: 100%; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
th, td { padding: 0.4rem 0.6rem; text-align: left; vertical-align: top; }
th { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); border-bottom: 1px solid var(--ink); background: var(--paper); position: sticky; top: 0; z-index: 1; }
td { border-bottom: 1px solid color-mix(in srgb, var(--rule) 60%, transparent); }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow: auto; max-height: 70vh; }
.mini-table td, .mini-table th { padding: 0.25rem 0.5rem; font-size: 0.9rem; }
.mini-table th { font-size: 0.68rem; }
.mini-table input[type=number] { max-width: 5.5rem; padding: 0.2rem 0.35rem; }
.mini-table input[type=text] { padding: 0.2rem 0.35rem; }
.keygrid select { min-width: 6.5rem; padding: 0.15rem 0.3rem; font-size: 0.85rem; }
.keygrid td.text { min-width: 22rem; max-width: 34rem; font-family: var(--serif); }
.keygrid td.on { background: color-mix(in srgb, var(--red) 7%, transparent); }

/* ── паспорт методики ── */
.passport { display: grid; grid-template-columns: 13rem 1fr; gap: 0.15rem 1.5rem; margin: 0; }
.passport dt { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-2); padding: 0.75rem 0 0.3rem; border-top: 1px solid var(--rule); }
.passport dd { margin: 0; padding: 0.6rem 0 0.4rem; border-top: 1px solid var(--rule); font-family: var(--serif); font-size: 1.05rem; line-height: 1.6; white-space: pre-wrap; }
.sources { font-family: var(--serif); padding-left: 1.4rem; }
.sources li { margin: 0.35rem 0; }
.item-list { padding-left: 2.4rem; font-family: var(--serif); }
.item-list li { margin: 0.45rem 0; }
.item-list li::marker { font-family: var(--mono); font-size: 0.8em; color: var(--ink-3); }
.item-list .small { font-family: var(--sans); }
.keytext { font-family: var(--mono); font-size: 0.88rem; line-height: 1.7; padding: 0.5rem 0 0.5rem 0.9rem; border-left: 2px solid var(--ink); margin: 0.5rem 0; }
.scale-card { border-left: 2px solid var(--ink); }
.method-kicker { margin-bottom: 0.35rem; }

/* ── прочее ── */
.sticky-bar { position: sticky; bottom: 0; background: var(--paper); border-top: 2px solid var(--ink); padding: 0.65rem 1.25rem; margin: 2rem -1.25rem -5rem; display: flex; gap: 0.7rem; align-items: center; flex-wrap: wrap; z-index: 5; }
.modal-back { position: fixed; inset: 0; background: rgba(20, 18, 15, 0.45); display: grid; place-items: center; z-index: 50; padding: 1rem; }
.modal { background: var(--sheet); border: 1px solid var(--ink); border-radius: 2px; padding: 1.3rem 1.5rem; max-width: 580px; width: 100%; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22); max-height: 90vh; overflow: auto; }
.modal h2 { margin-top: 0; }
.toasts { position: fixed; right: 1.25rem; bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; z-index: 60; }
.toast { background: var(--ink); color: var(--paper); padding: 0.6rem 0.95rem; border-radius: 2px; max-width: 380px; font-size: 0.92rem; }
.toast.bad { background: var(--red); color: #fff; }
.drop { display: block; border: 1px dashed var(--ink-3); padding: 2.4rem 1rem; text-align: center; background: var(--sheet); cursor: pointer; margin: 1rem 0; }
.drop.over { border-color: var(--red); background: color-mix(in srgb, var(--red) 6%, var(--sheet)); }
.drop strong { font-family: var(--serif); font-size: 1.15rem; }
.chart-box { position: relative; height: 260px; margin: 0.6rem 0; }
.steps-list { padding-left: 1.4rem; font-family: var(--serif); font-size: 1.03rem; }
.steps-list li { margin: 0.55rem 0; }
.kbd { background: var(--shade); border-radius: 2px; padding: 0 0.3rem; }
details > summary { cursor: pointer; }
.login { max-width: 440px; margin: 3rem auto; }
.login h1 { font-size: 2.2rem; }
.section-num { font-family: var(--serif); color: var(--red); margin-right: 0.35rem; }

@media (max-width: 720px) {
  .page { padding: 1.3rem 1rem 5rem; }
  .topbar-inner { padding: 0.8rem 1rem 0.6rem; }
  h1 { font-size: 1.6rem; }
  .entry { grid-template-columns: 1fr; }
  .passport { grid-template-columns: 1fr; }
  .passport dd { border-top: 0; padding-top: 0; }
  .keygrid td.text { min-width: 14rem; }
  .sticky-bar { margin: 2rem -1rem -5rem; padding: 0.6rem 1rem; }
}