/* Блог 2.0 (задание 29): список-«контактный лист», статья со шкалой REC, блоки разметки, мини-инструменты. Префикс bl-. Макет — tasks/29-blog-maket.html. */
.bl { --c-src: #2f6f5e; --c-med: #2c5aa0; --c-cmp: #b4541f; --c-cnt: #6b3fa0; --c-trm: #8a6a12; --night-2: #221d25; --on-night-muted: #b9b1ba; --ease: cubic-bezier(.23, 1, .32, 1); }
[data-theme="dark"] .bl { --c-src: #5fc796; --c-med: #7aa7ff; --c-cmp: #f0965a; --c-cnt: #b98cf0; --c-trm: #e2c25a; --night-2: #1a161d; }
.bl-wrap { max-width: 1180px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.bl h1, .bl h2, .bl h3 { font-family: var(--font-display); letter-spacing: -.03em; text-wrap: balance; }
.bl-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.bl-cov { display: block; width: 100%; height: auto; border-radius: 12px; background: var(--night); }

/* ---------- список ---------- */
.bl-lhead { padding-block: 40px 28px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: end; }
.bl-lhead h1 { margin: 0; font-size: clamp(34px, 5vw, 60px); line-height: 1.05; }
.bl-lhead p { color: var(--ink-muted); margin: 12px 0 0; max-width: 52ch; }
.bl-count { font: 500 13px var(--font-mono); color: var(--ink-muted); text-align: right; }
.bl-lead { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 28px; align-items: center; background: var(--night); color: var(--on-night); border-radius: 22px; padding: 22px; text-decoration: none; }
.bl-lead[hidden], .bl-card[hidden] { display: none; }
.bl-lead__meta { display: flex; gap: 10px; flex-wrap: wrap; font: 500 12px var(--font-mono); color: var(--on-night-muted); text-transform: uppercase; }
.bl-lead h2 { margin: 14px 0 0; font-size: clamp(22px, 3vw, 34px); line-height: 1.12; color: var(--on-night); }
.bl-lead p { color: var(--on-night-muted); margin: 12px 0 0; }
.bl-lead__go { display: inline-flex; margin-top: 20px; background: var(--rec-fill); color: #fff8f6; border-radius: 999px; padding: 10px 20px; font-weight: 600; }
.bl-filters[hidden] { display: none; }
.bl-filters { display: flex; gap: 8px; flex-wrap: wrap; padding-block: 30px 22px; }
.bl-chip { border: 1.5px solid var(--line); background: transparent; border-radius: 999px; padding: 8px 14px; cursor: pointer; min-height: 40px; font: 400 15px var(--font-text); color: var(--ink); display: inline-flex; gap: 8px; align-items: center; }
.bl-chip i { width: 9px; height: 9px; border-radius: 50%; background: var(--k, var(--ink-muted)); }
.bl-chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.bl-chip small { font: 500 11px var(--font-mono); opacity: .7; }
.bl-sheet { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 26px 22px; padding-bottom: 88px; }
.bl-card { text-decoration: none; display: grid; gap: 12px; align-content: start; position: relative; color: var(--ink); }
.bl-card__fr { position: relative; border-radius: 12px; }
.bl-card__fr::before, .bl-card__fr::after { content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--rec); opacity: 0; transition: opacity .2s, transform .35s var(--ease); pointer-events: none; }
.bl-card__fr::before { left: -6px; top: -6px; border-right: 0; border-bottom: 0; transform: translate(-6px, -6px); }
.bl-card__fr::after { right: -6px; bottom: -6px; border-left: 0; border-top: 0; transform: translate(6px, 6px); }
.bl-card:hover .bl-card__fr::before, .bl-card:hover .bl-card__fr::after, .bl-card:focus-visible .bl-card__fr::before, .bl-card:focus-visible .bl-card__fr::after { opacity: 1; transform: none; }
.bl-card h3 { margin: 0; font-size: 18px; line-height: 1.25; }
.bl-card__m { font: 500 12px var(--font-mono); color: var(--ink-muted); display: flex; gap: 10px; flex-wrap: wrap; }
.bl-empty { color: var(--ink-muted); padding-bottom: 60px; }

/* ---------- шкала REC ---------- */
.bl-rec { position: sticky; top: var(--header-height); z-index: 9; background: var(--night); color: var(--on-night); }
.bl-rec .bl-wrap { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; padding-block: 9px; }
.bl-rec__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--rec); display: inline-block; margin-right: 6px; vertical-align: 1px; }
.bl-rec__bar { position: relative; height: 10px; border-radius: 3px; background: #2e2832; overflow: hidden; }
.bl-rec__bar i { position: absolute; inset: 0 auto 0 0; width: var(--p, 0%); background: var(--rec); }
.bl-rec__bar b { position: absolute; top: 0; bottom: 0; width: 2px; background: #5a515d; }
.bl-rec__t { font: 500 12px var(--font-mono); white-space: nowrap; }

/* ---------- шапка и каркас статьи ---------- */
.bl-ahead { padding-block: 36px 30px; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 32px; align-items: end; }
.bl-crumbs { font: 500 12px var(--font-mono); color: var(--ink-muted); display: flex; gap: 10px; flex-wrap: wrap; text-transform: uppercase; }
.bl-ahead h1 { margin: 14px 0 0; font-size: clamp(26px, 4vw, 44px); line-height: 1.1; }
.bl-ahead__m { margin-top: 14px; font: 500 13px var(--font-mono); color: var(--ink-muted); display: flex; gap: 14px; flex-wrap: wrap; }
.bl-layout { display: grid; grid-template-columns: 220px minmax(0, 680px); gap: 56px; padding-bottom: 40px; }
.bl-toc { position: sticky; top: calc(var(--header-height) + 56px); align-self: start; font-size: 14px; }
.bl-toc__h { font: 500 11px var(--font-mono); color: var(--ink-muted); letter-spacing: .06em; }
.bl-toc ol { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 2px; border-left: 2px solid var(--line); }
.bl-toc a { display: block; padding: 6px 10px 6px 14px; text-decoration: none; color: var(--ink-muted); margin-left: -2px; border-left: 2px solid transparent; line-height: 1.35; }
.bl-toc a small { font: 500 11px var(--font-mono); display: block; opacity: .7; }
.bl-toc a.on { color: var(--ink); border-left-color: var(--rec); }
.bl-toc summary { display: none; }
.bl-art { min-width: 0; }
.bl-art > * { max-width: 100%; }
.bl-art h2 { margin: 52px 0 16px; font-size: 26px; line-height: 1.15; scroll-margin-top: calc(var(--header-height) + 60px); }
.bl-art h3 { margin: 28px 0 10px; font-size: 19px; }
.bl-art p, .bl-art li { font: 400 17px/1.6 var(--font-text); }
.bl-art p { margin: 0 0 16px; }
.bl-art ul, .bl-art ol { margin: 0 0 16px; padding-left: 1.3em; }
.bl-art code { font: 500 .86em var(--font-mono); background: var(--surface-sunken); padding: 2px 6px; border-radius: 5px; overflow-wrap: anywhere; }

/* ---------- блоки разметки ---------- */
.bl-short { background: var(--night); color: var(--on-night); border-radius: 18px; padding: 22px 24px; margin: 0 0 30px; }
.bl-short__k { font: 500 12px var(--font-mono); color: var(--on-night-muted); margin-bottom: 10px; }
.bl-art .bl-short p { margin: 0; color: var(--on-night); }
.bl-art .bl-short p + p { margin-top: 10px; }
.bl-call { border-radius: 14px; padding: 16px 18px; margin: 22px 0; display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; background: var(--surface-sunken); }
.bl-call__ic { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font: 700 15px var(--font-display); color: #fff8f6; }
.bl-call--tip .bl-call__ic { background: var(--c-src); }
.bl-call--warn .bl-call__ic { background: var(--rec-fill); }
.bl-call--error .bl-call__ic { background: var(--ink); color: var(--paper); }
.bl-call b { display: block; font-size: 14px; margin-bottom: 2px; }
.bl-art .bl-call p { margin: 0 0 8px; font-size: 16px; }
.bl-art .bl-call p:last-child { margin: 0; }
.bl-quote { border-left: 3px solid var(--rec); padding: 4px 0 4px 18px; margin: 26px 0; font: 500 20px/1.45 var(--font-display); letter-spacing: -.01em; }
.bl-quote small { display: block; font: 400 14px var(--font-text); color: var(--ink-muted); margin-top: 8px; letter-spacing: 0; }
.bl-art .bl-quote p { margin: 0; font: inherit; }
.bl-fig { margin: 26px 0; }
.bl-fig img, .bl-fig svg { max-width: 100%; height: auto; display: block; border-radius: 12px; }
.bl-fig figcaption { font-size: 14px; color: var(--ink-muted); margin-top: 8px; }
.bl-fig--scheme > div { background: var(--surface-sunken); border-radius: 14px; padding: 18px; overflow-x: auto; }
.bl-anat { background: var(--surface-sunken); border-radius: 14px; padding: 18px; overflow-x: auto; }
.bl-anat__url { font: 500 15px/2 var(--font-mono); white-space: nowrap; }
.bl-anat__url span, .bl-w-out span { border-radius: 4px; padding: 1px 3px; }
.bl-art .legal__table { margin: 20px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.bl-art .legal__table table { margin: 0; min-width: 520px; }
.bl-sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; }

/* ---------- мини-инструменты ---------- */
.bl-widget { isolation: isolate; background: var(--night); color: var(--on-night); border-radius: 20px; padding: 22px; margin: 30px 0; position: relative; overflow: hidden; }
.bl-widget::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .05; background: repeating-linear-gradient(0deg, #fff 0 1px, transparent 1px 3px); }
.bl-w-h { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font: 500 12px var(--font-mono); color: var(--on-night-muted); margin-bottom: 14px; }
.bl-w-h b { color: var(--on-night); }
.bl-w-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.bl-w-grid label { display: grid; gap: 4px; font: 500 12px var(--font-mono); color: var(--on-night-muted); text-transform: uppercase; }
.bl-w-grid .full { grid-column: 1 / -1; }
.bl-w-grid input, .bl-w-grid select { background: var(--night-2); border: 1px solid #3a333d; border-radius: 10px; padding: 10px 12px; color: var(--on-night); font: 400 15px var(--font-text); width: 100%; min-width: 0; min-height: 44px; text-transform: none; }
.bl-w-grid input:focus, .bl-w-grid select:focus { outline: none; border-color: var(--rec); }
.bl-w-out { margin-top: 16px; background: #0f0d11; border-radius: 12px; padding: 14px; font: 500 14px/1.7 var(--font-mono); overflow-wrap: anywhere; }
.bl-w-big { font: 700 28px/1.1 var(--font-display); letter-spacing: -.02em; }
.bl-w-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; align-items: center; }
.bl-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; border-radius: 999px; padding: 0 20px; font: 600 16px var(--font-text); border: 0; cursor: pointer; text-decoration: none; transition: transform .12s var(--ease); }
.bl-btn:active { transform: scale(.97); }
.bl-btn--rec { background: var(--rec-fill); color: #fff8f6; }
.bl-btn--ghost { background: transparent; border: 1.5px solid #4a424d; color: var(--on-night); }
.bl-btn--line { background: transparent; border: 1.5px solid var(--line); color: var(--ink); }
.bl-w-msg { font-size: 13px; color: var(--on-night-muted); }
.bl-w-warn { color: #ffb4ac; }
.bl-presets { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.bl-presets button { background: var(--night-2); border: 1px solid #3a333d; border-radius: 999px; padding: 6px 12px; min-height: 36px; cursor: pointer; font: 400 13px var(--font-text); color: var(--on-night); }
.bl-presets button[aria-pressed="true"] { border-color: var(--rec); color: #fff; }
.bl-w-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 14px; }
.bl-w-table th, .bl-w-table td { text-align: left; padding: 6px 8px 6px 0; border-bottom: 1px solid #3a333d; }
.bl-w-table th { font: 500 11px var(--font-mono); color: var(--on-night-muted); }
.bl-w-table td:last-child, .bl-w-table th:last-child { text-align: right; }

/* ---------- конец статьи ---------- */
.bl-share { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding-block: 26px; border-top: 1px solid var(--line); margin-top: 40px; }
.bl-share > span { font: 500 12px var(--font-mono); color: var(--ink-muted); margin-right: 6px; }
.bl-share__hint { flex-basis: 100%; font-size: 13px; color: var(--ink-muted); min-height: 1.2em; }
.bl-cta { background: var(--night); color: var(--on-night); border-radius: 22px; padding: 28px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; align-items: center; margin: 20px 0 10px; }
.bl-cta h3 { margin: 0; font-size: 22px; color: var(--on-night); }
.bl-cta p { color: var(--on-night-muted); margin: 8px 0 0; }
.bl-more { padding-block: 56px 90px; }
.bl-more h2 { margin: 0 0 20px; font-size: 26px; }
.bl-more .bl-sheet { padding-bottom: 0; }

@media (max-width: 900px) {
  .bl-lead, .bl-ahead { grid-template-columns: 1fr; }
  .bl-layout { grid-template-columns: 1fr; gap: 0; }
  .bl-toc { position: static; margin-bottom: 22px; border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
  .bl-toc summary { display: flex; justify-content: space-between; cursor: pointer; font: 500 13px var(--font-mono); list-style: none; min-height: 28px; align-items: center; }
  .bl-toc summary::-webkit-details-marker { display: none; }
  .bl-toc__h { display: none; }
  .bl-cta { grid-template-columns: 1fr; }
  .bl-lhead { grid-template-columns: 1fr; }
  .bl-count { text-align: left; }
}
@media (min-width: 901px) { .bl-toc summary { display: none; } .bl-toc details > ol { display: grid; } }
@media (max-width: 560px) { .bl-w-grid { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .bl *, .bl-card__fr::before, .bl-card__fr::after { transition: none !important; animation: none !important; } }
.bl a.bl-btn { text-decoration: none; }
.bl a.bl-btn--rec { color: #fff8f6; }
.bl a.bl-btn--ghost { color: var(--on-night); }
.bl a.bl-btn--line { color: var(--ink); }
.bl-art .bl-share__hint { font-size: 13px; line-height: 1.4; margin: 0; }
.bl-art .bl-w-msg, .bl-art .bl-widget p { font-size: 13px; line-height: 1.5; margin: 0; }
.bl-art .bl-widget > p { font-size: 15px; color: var(--on-night-muted); margin-bottom: 14px; }
.bl-art .bl-w-out, .bl-art .bl-w-table td { color: var(--on-night); }
.bl-cta .bl-btn { white-space: nowrap; }