/* ==================================================================
   استایل مشترک صفحات عمومی محتوا (وبلاگ و برگه‌ها)
   همان توکن‌ها و زبان طراحی صفحه اصلی؛ بدون وابستگی خارجی.
   ================================================================== */

:root {
  --bg: oklch(0.985 0.005 265);
  --bg-soft: oklch(0.965 0.012 265);
  --fg: oklch(0.23 0.03 265);
  --muted: oklch(0.52 0.03 265);
  --card: oklch(1 0 0);
  --line: oklch(0.915 0.012 265);
  --primary: oklch(0.55 0.20 268);
  --primary-strong: oklch(0.47 0.19 268);
  --primary-soft: oklch(0.94 0.04 268);
  --on-primary: #fff;
  --shadow: 0 1px 2px oklch(0.2 0.03 265 / 5%), 0 12px 32px -8px oklch(0.2 0.05 265 / 14%);
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: oklch(0.19 0.025 265);
    --bg-soft: oklch(0.225 0.03 265);
    --fg: oklch(0.96 0.01 265);
    --muted: oklch(0.74 0.03 265);
    --card: oklch(0.245 0.032 265);
    --line: oklch(1 0 0 / 11%);
    --primary: oklch(0.70 0.15 268);
    --primary-strong: oklch(0.78 0.12 268);
    --primary-soft: oklch(0.32 0.07 268);
    --on-primary: oklch(0.18 0.04 268);
    --shadow: 0 1px 2px #0003, 0 12px 32px -8px #0006;
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  font-family: "IRANYekan", "Vazirmatn", Tahoma, system-ui, sans-serif;
  background: var(--bg); color: var(--fg); line-height: 1.9;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.ico { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.wrap { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 20px; }
.wrap-narrow { max-width: 780px; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; inset-inline-start: 12px; top: -60px; z-index: 100; background: var(--primary);
  color: #fff; padding: 8px 14px; border-radius: 10px; }
.skip:focus { top: 12px; }

/* ---------- نوار بالا ---------- */
.top { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); }
.nav { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 38px; height: 38px; border-radius: 11px; background: var(--primary); color: #fff;
  display: grid; place-items: center; }
.brand-mark .ico { width: 22px; height: 22px; stroke-width: 2.1; }
.brand b { font-size: 17px; font-weight: 800; line-height: 1.3; display: block; }
.brand small { font-size: 11px; color: var(--muted); display: block; direction: ltr; text-align: right; }
.links { display: none; gap: 26px; margin-inline-start: 12px; }
.links a { font-size: 15px; color: var(--muted); }
.links a:hover, .links a[aria-current="page"] { color: var(--fg); }
.actions { display: flex; gap: 8px; margin-inline-start: auto; }
@media (min-width: 900px) { .links { display: flex; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px;
  padding-inline: 18px; border-radius: 12px; font: inherit; font-size: 15px; font-weight: 700;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: background .15s; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-strong); }
.btn-ghost { background: var(--card); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-soft); }
@media (max-width: 420px) { .actions .btn-ghost { display: none; } }

/* ---------- نوار پیش‌نمایش ---------- */
.preview-bar { background: #f59e0b; color: #1c1300; text-align: center; font-size: 14px;
  font-weight: 700; padding: 8px 16px; }

/* ---------- سربرگ صفحه ---------- */
.page-head { padding: 44px 0 28px; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 13.5px;
  color: var(--muted); list-style: none; margin-bottom: 14px; }
.crumbs li { display: flex; align-items: center; gap: 6px; }
.crumbs li + li::before { content: ""; width: 6px; height: 6px; border-inline-start: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor; transform: rotate(45deg); opacity: .6; }
.crumbs a:hover { color: var(--primary); }
.page-head h1 { font-size: clamp(28px, 4.4vw, 44px); line-height: 1.4; font-weight: 900; letter-spacing: -.3px; }
.page-head .lead { color: var(--muted); font-size: 17px; margin-top: 10px; max-width: 46rem; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 16px; font-size: 14px; color: var(--muted); }
.meta span { display: inline-flex; align-items: center; gap: 6px; }
.meta .ico { width: 16px; height: 16px; }
.chip { display: inline-flex; align-items: center; font-size: 13px; font-weight: 700; color: var(--primary);
  background: var(--primary-soft); padding: 3px 12px; border-radius: 99px; }

/* ---------- فهرست نوشته‌ها ---------- */
.layout { display: grid; gap: 40px; padding-bottom: 72px; }
@media (min-width: 1000px) { .layout { grid-template-columns: 1fr 300px; } }
.cards { display: grid; gap: 22px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card-img { aspect-ratio: 16 / 9; background: var(--bg-soft); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-img.empty { display: grid; place-items: center; color: var(--muted); }
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card h2, .card h3 { font-size: 18px; line-height: 1.6; font-weight: 800; }
.card h2 a:hover, .card h3 a:hover { color: var(--primary); }
.card p { color: var(--muted); font-size: 14.5px; }
.card .meta { margin-top: auto; padding-top: 6px; font-size: 13px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); border: 1px dashed var(--line);
  border-radius: var(--radius); }

.pager { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 36px; font-size: 14px; }
.pager span { color: var(--muted); }

.side { display: grid; gap: 20px; align-content: start; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.box h2 { font-size: 16px; font-weight: 800; margin-bottom: 12px; }
.box ul { list-style: none; display: grid; gap: 8px; }
.box li a { display: flex; justify-content: space-between; gap: 10px; font-size: 14.5px; }
.box li a:hover { color: var(--primary); }
.box li small { color: var(--muted); }

/* ---------- نوشته و برگه ---------- */
.hero-img { border-radius: var(--radius); overflow: hidden; margin-bottom: 32px; border: 1px solid var(--line); }
.hero-img img { width: 100%; }

.prose { font-size: 17.5px; line-height: 2.05; overflow-wrap: anywhere; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: 1.55em; line-height: 1.55; font-weight: 900; margin-top: 1.8em; }
.prose h3 { font-size: 1.28em; line-height: 1.6; font-weight: 800; margin-top: 1.5em; }
.prose h4, .prose h5, .prose h6 { font-size: 1.08em; font-weight: 800; margin-top: 1.3em; }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px;
  text-decoration-thickness: 1px; }
.prose ul, .prose ol { padding-inline-start: 1.6em; }
.prose li + li { margin-top: .4em; }
.prose blockquote { border-inline-start: 4px solid var(--primary); background: var(--bg-soft);
  padding: 14px 20px; border-radius: 0 12px 12px 0; color: var(--fg); }
.prose img { border-radius: 14px; margin-inline: auto; }
.prose figure figcaption { text-align: center; font-size: 14px; color: var(--muted); margin-top: 8px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin-block: 2em; }
.prose code { background: var(--bg-soft); padding: 2px 6px; border-radius: 6px; font-size: .9em; direction: ltr; unicode-bidi: embed; }
.prose pre { background: oklch(0.2 0.02 265); color: #e8eaf6; padding: 16px 18px; border-radius: 14px;
  overflow-x: auto; direction: ltr; text-align: left; font-size: 14px; line-height: 1.7; }
.prose pre code { background: none; padding: 0; color: inherit; }
.prose .table-wrap, .prose table { width: 100%; }
.prose table { border-collapse: collapse; font-size: .92em; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: start; }
.prose th { background: var(--bg-soft); font-weight: 800; }
.prose iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 14px; }
.prose mark { background: oklch(0.92 0.12 95); color: inherit; padding: 0 3px; border-radius: 4px; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.tags a { font-size: 13.5px; padding: 4px 12px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }
.tags a:hover { color: var(--primary); border-color: var(--primary); }

.section-title { font-size: 22px; font-weight: 900; margin: 56px 0 20px; }
.children { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); margin-top: 40px; }
.children a { display: block; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.children a:hover { border-color: var(--primary); }
.children b { display: block; margin-bottom: 4px; }
.children small { color: var(--muted); }

/* ---------- پایین صفحه ---------- */
footer { padding: 36px 0 44px; color: var(--muted); font-size: 14.5px; border-top: 1px solid var(--line); }
.foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.foot .brand { color: var(--fg); }
.foot nav { display: flex; flex-wrap: wrap; gap: 20px; }
.foot nav a:hover { color: var(--fg); }