/* Статья: типографика (UI-5), блоки, оглавление, сравнение версий. */

.article-grid { display: grid; grid-template-columns: minmax(0, 720px) 230px; gap: 56px; justify-content: center; }
.article { min-width: 0; }
.article-side { position: sticky; top: calc(var(--topbar) + 28px); align-self: start; max-height: calc(100vh - var(--topbar) - 48px); overflow-y: auto; padding-top: 64px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 13px; color: var(--text-2); margin: 0 0 14px; }
.crumbs a { color: var(--text-2); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { opacity: .5; }
.crumb-current { color: var(--text); }
.article-title { font: 650 40px/1.15 var(--font-serif); margin: 6px 0 12px; letter-spacing: -0.015em; overflow-wrap: anywhere; }
.article-meta { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 14px; color: var(--text-2); margin: 0 0 16px; }
.article-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 32px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 36px 0 0; }
.tag { font-size: 13px; padding: 3px 10px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); text-decoration: none; display: inline-flex; align-items: center; }
a.tag:hover { color: var(--accent); }
.article-foot { margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--border); }

.toc { font-size: 13px; border-left: 1px solid var(--border); padding-left: 14px; }
.toc-title { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-2); font-weight: 600; margin-bottom: 8px; }
.toc a { display: block; padding: 4px 0; color: var(--text-2); text-decoration: none; line-height: 1.35; }
.toc a:hover { color: var(--text); }
.toc a.current { color: var(--accent); font-weight: 500; }
.toc .toc-l2 { padding-left: 12px; }
.toc .toc-l3 { padding-left: 24px; }

.prose { font: 18px/1.6 var(--font-serif); color: var(--text); overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 1em; }
.prose p.empty { margin: 0; }
.prose h2, .prose h3, .prose h4 { position: relative; scroll-margin-top: calc(var(--topbar) + 16px); line-height: 1.25; font-weight: 650; }
.prose h2 { font-size: 28px; margin: 1.7em 0 .5em; letter-spacing: -0.01em; }
.prose h3 { font-size: 22px; margin: 1.5em 0 .4em; }
.prose h4 { font-size: 19px; margin: 1.3em 0 .3em; font-weight: 600; }
.prose .anchor { margin-left: .35em; color: var(--text-2); text-decoration: none; opacity: 0; font-weight: 400; }
.prose h2:hover .anchor, .prose h3:hover .anchor, .prose h4:hover .anchor, .prose .anchor:focus { opacity: .7; }
.prose a { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose a:hover { color: var(--accent-hover); }
.prose ul, .prose ol { padding-left: 1.5em; margin: 0 0 1em; }
.prose li { margin: .25em 0; }
.prose ul.todo { list-style: none; padding-left: .1em; }
.prose ul.todo li { display: flex; gap: 10px; align-items: baseline; }
.prose ul.todo input { margin: 0; transform: translateY(1px); accent-color: var(--accent); }
.prose ul.todo li.done span { text-decoration: line-through; color: var(--text-2); }
.prose blockquote { margin: 1.3em 0; padding: 2px 0 2px 20px; border-left: 3px solid var(--border-strong); color: var(--text-2); font-style: italic; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2.2em 0; }
.prose code { font: .86em var(--font-mono); background: var(--code-bg); padding: .12em .38em; border-radius: 5px; border: 1px solid var(--border); }
.prose mark { background: var(--mark-bg); color: inherit; padding: 0 .1em; border-radius: 2px; }
.prose strong { font-weight: 650; }

.callout { display: grid; gap: 4px; margin: 1.3em 0; padding: 14px 18px; border-radius: 10px; border-left: 4px solid; font: 16px/1.55 var(--font-ui); }
.callout-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.callout-note { background: var(--note-bg); border-color: var(--note-line); }
.callout-note .callout-label { color: var(--note-text); }
.callout-warn { background: var(--warn-bg); border-color: var(--warn-line); }
.callout-warn .callout-label { color: var(--warn-text); }
.callout-danger { background: var(--danger-bg); border-color: var(--danger-line); }
.callout-danger .callout-label { color: var(--danger); }

.toggle { border: 1px solid var(--border); border-radius: 10px; margin: 1em 0; background: var(--surface); }
.toggle summary { cursor: pointer; padding: 10px 14px; font: 600 16px/1.4 var(--font-ui); list-style-position: inside; }
.toggle > div { padding: 0 16px 12px; }

.code { margin: 1.3em 0; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--code-bg); }
.code-bar { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 5px 8px 5px 14px; font: 12px var(--font-ui); color: var(--text-2); border-bottom: 1px solid var(--border); }
.code-copy { border: 1px solid var(--border); background: var(--surface); border-radius: 6px; font-size: 12px; padding: 3px 9px; cursor: pointer; color: var(--text-2); }
.code-copy:hover { color: var(--text); }
.prose .code pre, .code pre { margin: 0; padding: 14px 16px; overflow-x: auto; font: 14px/1.6 var(--font-mono); tab-size: 2; }
.prose .code code { background: none; border: 0; padding: 0; font-size: inherit; }
.tk-k { color: var(--tk-k); } .tk-s { color: var(--tk-s); } .tk-c { color: var(--tk-c); font-style: italic; }
.tk-n { color: var(--tk-n); } .tk-a { color: var(--tk-a); } .tk-t { color: var(--tk-t); } .tk-v { color: var(--tk-v); }

.prose .table-wrap { overflow-x: auto; margin: 1.3em 0; }
.prose table { border-collapse: collapse; width: 100%; font: 15px/1.5 var(--font-ui); }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px 11px; text-align: left; vertical-align: top; }
.prose th { background: var(--surface-2); font-weight: 600; }

figure.img { margin: 1.5em auto; }
figure.img img { display: block; max-width: 100%; height: auto; border-radius: 8px; cursor: zoom-in; background: var(--surface-2); }
figure.img figcaption { font: 14px/1.4 var(--font-ui); color: var(--text-2); text-align: center; margin-top: 8px; }
figure.w-25 { width: 25%; } figure.w-50 { width: 50%; } figure.w-75 { width: 75%; } figure.w-100 { width: 100%; }
figure.align-left { margin-left: 0; } figure.align-right { margin-right: 0; } figure.align-center { margin-left: auto; margin-right: auto; }
.img-ph { padding: 40px 16px; text-align: center; background: var(--surface-2); border-radius: 8px; color: var(--text-2); font: 14px var(--font-ui); }

.ilink-closed { color: var(--text-2); font-style: italic; }
.ilink-closed::before { content: '🔒 '; font-style: normal; }

/* ---------- сравнение версий ---------- */

.diff { display: grid; gap: 6px; margin: 16px 0 24px; }
.diff-block { padding: 8px 12px; border-radius: 8px; font: 16px/1.55 var(--font-serif); white-space: pre-wrap; overflow-wrap: anywhere; border: 1px solid transparent; }
.diff-eq { color: var(--text-2); }
.diff-add { background: var(--ins-bg); color: var(--ins-text); }
.diff-del { background: var(--del-bg); color: var(--del-text); text-decoration: line-through; text-decoration-thickness: 1px; }
.diff-mod { background: var(--surface); border-color: var(--border); }
.diff-title { margin: 12px 0; font-size: 20px; }
.diff-label { display: block; font: 600 11px/1.6 var(--font-ui); text-transform: uppercase; letter-spacing: .06em; color: var(--text-2); text-decoration: none; }
.diff-add .diff-label, .diff-del .diff-label { color: inherit; opacity: .8; }
.diff-skip { text-align: center; padding: 2px; }
ins { background: var(--ins-bg); color: var(--ins-text); text-decoration: none; border-radius: 3px; padding: 0 1px; }
del { background: var(--del-bg); color: var(--del-text); border-radius: 3px; padding: 0 1px; }
.diff-legend { display: flex; gap: 8px; margin: 8px 0; }
.type-h1 { font-weight: 650; font-size: 20px; }
.type-h2 { font-weight: 650; font-size: 18px; }
.type-code { font: 14px/1.55 var(--font-mono); }
.versions td:first-child, .versions td:nth-child(2) { width: 36px; }

.modal-version .prose { font-size: 16px; }

/* ---------- изменения с прошлого визита ---------- */

/* Новое — подчёркнуто и залито зелёным, удалённое — зачёркнуто на красном.
   Форма (подчёркивание/зачёркивание) различима и без цвета. */
ins.chg-ins { background: var(--chg-ins-bg); color: var(--text); text-decoration: underline 2px var(--chg-ins-line); text-underline-offset: 3px; text-decoration-skip-ink: none; border-radius: 3px; padding: 0 2px; }
del.chg-del { background: var(--chg-del-bg); color: var(--del-text); text-decoration: line-through 2px var(--chg-del-line); border-radius: 3px; padding: 0 2px; }
/* Изменённый блок — полоса слева (тень не обрезается прокруткой таблиц). */
.prose .chg { box-shadow: -14px 0 0 -10px var(--chg-mod-line); }
.prose .chg-add { box-shadow: -14px 0 0 -10px var(--chg-ins-line); }
.prose .chg-del { box-shadow: -14px 0 0 -10px var(--chg-del-line); }
.prose :is(p, li, blockquote, h2, h3, h4).chg-add { background: var(--chg-ins-bg); text-decoration: underline 2px var(--chg-ins-line); text-underline-offset: 3px; border-radius: 4px; }
.prose .chg-del { background: var(--chg-del-bg); color: var(--del-text); text-decoration: line-through 2px var(--chg-del-line); border-radius: 4px; }
.prose li.chg { box-shadow: none; }
.prose :is(p, li, blockquote, h2, h3, h4)[data-chg]::before { content: attr(data-chg); display: inline-block; margin-right: 8px; padding: 0 6px; border-radius: 4px; font: 600 11px/18px var(--font-ui); letter-spacing: .03em; text-transform: uppercase; vertical-align: 2px; color: var(--bg); background: var(--chg-ins-line); }
.prose [data-chg="Удалено"]::before { background: var(--chg-del-line); }
.prose hr.chg-add { border-top: 3px solid var(--chg-ins-line); }
.prose hr.chg-del { border-top: 3px dashed var(--chg-del-line); }
.prose figure.chg-del img { opacity: .5; }
.prose figure.chg { outline: 3px solid var(--chg-ins-line); outline-offset: 4px; box-shadow: none; }
.prose figure.chg-del { outline-color: var(--chg-del-line); background: none; }
.prose tr.chg-row-add > * { background: var(--chg-ins-bg); }
.prose tr.chg-row-del > * { background: var(--chg-del-bg); color: var(--del-text); text-decoration: line-through 2px var(--chg-del-line); }
.prose tr.chg-row-mod > * { box-shadow: inset 0 0 0 1px var(--chg-mod-line); }
.prose .chg-focus, .article-title.chg-focus { outline: 3px solid var(--attn); outline-offset: 4px; border-radius: 4px; }

.chg-info { display: grid; gap: 8px; margin: -12px 0 24px; padding: 12px 16px; border: 2px solid var(--attn); border-radius: 10px; background: var(--surface); font-size: 14px; }
.chg-notes { margin: 0; padding-left: 18px; display: grid; gap: 2px; }
.chg-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; color: var(--text-2); }
.chg-legend-bar { padding-left: 10px; box-shadow: inset 4px 0 0 var(--chg-mod-line); }

.btn-attn { background: var(--attn); border-color: var(--attn); color: var(--attn-text); font-weight: 600; box-shadow: 0 0 0 3px var(--attn-ring); }
.btn-attn:hover { background: var(--attn); color: var(--attn-text); filter: brightness(1.06); }
@media (prefers-reduced-motion: no-preference) {
  .btn-attn { animation: attn-pulse 1.6s ease-in-out 3; }
}
@keyframes attn-pulse { 50% { box-shadow: 0 0 0 8px var(--attn-ring); } }

.chg-nav { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 30; display: flex; align-items: center; gap: 8px; padding: 6px 6px 6px 16px;
  max-width: calc(100vw - 32px); border: 2px solid var(--attn); border-radius: 999px; background: var(--surface); box-shadow: var(--shadow); font-size: 14px; }
.chg-nav-count { white-space: nowrap; font-weight: 500; margin-right: 4px; }

/* ---------- просмотры ---------- */

.link-btn { display: inline-flex; align-items: center; gap: 5px; padding: 0; border: 0; background: none; color: inherit; font: inherit; cursor: pointer; text-decoration: underline dotted; text-underline-offset: 3px; }
.link-btn:hover { color: var(--accent); }
.link-btn .icon { width: 16px; height: 16px; }
.views-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.views-stat { display: grid; gap: 2px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px; }
.views-stat strong { font-size: 24px; font-weight: 600; }
.views-table td { vertical-align: middle; }
.views-table th { white-space: normal; }
.views-table .num { text-align: right; }
.views-table .chip { margin-left: 8px; }
.views-ok { color: var(--ok); }
.views-old { color: var(--warn-text); }
.views-missing { margin: 16px 0 8px; font-size: 14px; }
.views-missing summary { cursor: pointer; font-weight: 500; }
.views-missing ul { margin-top: 8px; max-height: 260px; overflow: auto; }

@media (max-width: 1180px) {
  .article-grid { grid-template-columns: minmax(0, 720px); }
  .article-side { display: none; }
}
@media (max-width: 600px) {
  .views-stats { gap: 6px; }
  .views-stat { padding: 8px 10px; }
  .views-stat strong { font-size: 20px; }
  .views-table .hide-sm { display: none; }
  .views-table th, .views-table td { padding: 8px 4px; }
  .views-table .user-cell { gap: 6px; }
  .article-title { font-size: 31px; }
  .prose { font-size: 17px; }
  .prose h2 { font-size: 24px; }
  .prose h3 { font-size: 20px; }
  figure.w-25, figure.w-50 { width: 100%; }
}