/* ==========================================================================
   راهنمای ژُمار — استایل سایت مستندات
   دست‌نویس، بدون فریم‌ورک. توکن‌های رنگ آینهٔ D:\zhomar-app\tailwind.config.js
   و src/theme/tokens.ts هستند (سبز عمیق primary + طلایی accent).
   RTL بومی: همه‌جا inline-start / inline-end، هرگز left/right.
   ========================================================================== */

/* ---------------------------------------------------------------- فونت‌ها */
@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn_400Regular.ttf') format('truetype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn_500Medium.ttf') format('truetype');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn_700Bold.ttf') format('truetype');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn_800ExtraBold.ttf') format('truetype');
  font-weight: 800; font-style: normal; font-display: swap;
}
/* فقط لوگوتایپ «ژُمار» — 05 §۱ */
@font-face {
  font-family: 'NotoKufiArabic';
  src: url('fonts/NotoKufiArabic_700Bold.ttf') format('truetype');
  font-weight: 700; font-style: normal; font-display: swap;
}

/* ---------------------------------------------------------------- توکن‌ها */
:root {
  color-scheme: light;

  /* برند */
  --primary: #0F4C42;
  --primary-hover: #0C3E36;
  --primary-soft: #E3EEEB;
  --accent: #D9A441;
  --accent-hover: #C3922F;

  /* سطح‌ها */
  --bg: #F7F4EE;
  --surface: #FFFFFF;
  --surface-alt: #EDE8DC;
  --surface-raised: #FFFFFF;
  --border: #E4DFD3;
  --border-strong: #D6D0C0;

  /* متن */
  --ink: #1C201E;
  --ink-muted: #6B6B60;
  --ink-disabled: #A9A99E;

  /* وضعیت */
  --success: #2E7D5B;
  --success-soft: #E4F1EA;
  --danger: #B3502F;
  --danger-soft: #F6E6DF;
  --pending: #C7A94F;
  --pending-soft: #F5EEDA;
  --pending-ink: #8A6D1F;
  --info: #3E6B8F;
  --info-soft: #E6EEF5;
  --overlay: rgba(28, 32, 30, 0.45);

  /*
    «ink» = رنگ متن روی زمینهٔ soft هم‌خانواده (همان الگوی pending.ink در اپ).
    رنگ‌های پایه روی soft به AA نمی‌رسند (۴٫۲–۴٫۳)؛ این‌ها ≥۴٫۹ می‌دهند.
  */
  --success-ink: #2A7253;
  --danger-ink: #A24628;
  --info-ink: #375F80;

  /* شکل و فاصله */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-full: 999px;
  --header-h: 60px;
  --sidebar-w: 264px;
  --toc-w: 216px;
  --measure: 72ch;

  --shadow-sm: 0 1px 2px rgba(28, 32, 30, .05), 0 1px 3px rgba(28, 32, 30, .04);
  --shadow-md: 0 4px 12px rgba(28, 32, 30, .07), 0 1px 3px rgba(28, 32, 30, .05);
  --shadow-lg: 0 8px 32px rgba(28, 32, 30, .10);

  --focus: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent);
  --font: 'Vazirmatn', 'Segoe UI', Tahoma, system-ui, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Mono', 'SF Mono', Menlo, Consolas, monospace;
}

/* تیره — پیش‌فرض سیستم (وقتی کاربر دستی انتخاب نکرده) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --primary: #4FA894;
    --primary-hover: #6BBCA9;
    --primary-soft: #17302B;
    --accent: #E4B85E;
    --accent-hover: #EFC978;

    --bg: #131614;
    --surface: #1A1E1C;
    --surface-alt: #232825;
    --surface-raised: #1F2421;
    --border: #2E3431;
    --border-strong: #3D4440;

    --ink: #ECE9E1;
    --ink-muted: #A3A79E;
    --ink-disabled: #6E736C;

    --success: #5FB98F;
    --success-soft: #172C23;
    --danger: #E08A65;
    --danger-soft: #33201A;
    --pending: #D9BC6B;
    --pending-soft: #2E2718;
    --pending-ink: #E0C787;
    --info: #7FAAD0;
    --info-soft: #1A252E;
    --success-ink: #5FB98F;
    --danger-ink: #E08A65;
    --info-ink: #7FAAD0;
    --overlay: rgba(0, 0, 0, .6);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, .45);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, .55);
    --focus: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
  }
}

/* تیره — انتخاب صریح کاربر (بر همه‌چیز مقدم) */
:root[data-theme='dark'] {
  color-scheme: dark;
  --primary: #4FA894;
  --primary-hover: #6BBCA9;
  --primary-soft: #17302B;
  --accent: #E4B85E;
  --accent-hover: #EFC978;

  --bg: #131614;
  --surface: #1A1E1C;
  --surface-alt: #232825;
  --surface-raised: #1F2421;
  --border: #2E3431;
  --border-strong: #3D4440;

  --ink: #ECE9E1;
  --ink-muted: #A3A79E;
  --ink-disabled: #6E736C;

  --success: #5FB98F;
  --success-soft: #172C23;
  --danger: #E08A65;
  --danger-soft: #33201A;
  --pending: #D9BC6B;
  --pending-soft: #2E2718;
  --pending-ink: #E0C787;
  --info: #7FAAD0;
  --info-soft: #1A252E;
  --success-ink: #5FB98F;
  --danger-ink: #E08A65;
  --info-ink: #7FAAD0;
  --overlay: rgba(0, 0, 0, .6);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .45);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, .55);
  --focus: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
}

/* ------------------------------------------------------------------ پایه */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-family: var(--font);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.5; font-weight: 800; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; height: auto; display: block; }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
button { font: inherit; color: inherit; }

:focus-visible { outline: none; box-shadow: var(--focus); border-radius: var(--r-sm); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; inset-block-start: 8px; inset-inline-start: 8px; z-index: 200;
  transform: translateY(-200%);
  background: var(--primary); color: #fff; padding: 10px 16px;
  border-radius: var(--r-md); font-weight: 700; box-shadow: var(--shadow-md);
}
.skip-link:focus { transform: translateY(0); color: #fff; }

/* شناسه‌های لاتین (شبا/صیاد/IMEI/slug) */
.ltr, code, kbd, .mono {
  direction: ltr;
  unicode-bidi: isolate;
  font-family: var(--font-mono);
}

code {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .08em .38em;
  font-size: .875em;
}

kbd {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-block-end-width: 2px;
  border-radius: 6px;
  padding: .05em .45em;
  font-size: .8em;
  line-height: 1.6;
  color: var(--ink-muted);
}

.icon { width: 20px; height: 20px; flex: none; }

/* ----------------------------------------------------------------- هدر */
.site-header {
  position: sticky; inset-block-start: 0; z-index: 60;
  height: var(--header-h);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  -webkit-backdrop-filter: saturate(1.6) blur(12px);
  backdrop-filter: saturate(1.6) blur(12px);
  border-block-end: 1px solid var(--border);
}
.header-inner {
  height: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: 20px;
  display: flex; align-items: center; gap: 12px;
}

.icon-btn {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; flex: none;
  background: transparent; border: 1px solid transparent;
  border-radius: var(--r-md); color: var(--ink-muted); cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.icon-btn:hover { background: var(--surface-alt); color: var(--ink); }
.icon-btn svg { width: 20px; height: 20px; }

.nav-toggle { display: none; }

.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); flex: none; }
.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  /* کاشی همیشه سبزِ برند می‌ماند (مثل آیکون رسمی)، در تم تیره هم عوض نمی‌شود */
  background: #0F4C42;
  box-shadow: inset 0 0 0 1px rgba(217, 164, 65, .45);
}
.brand-mark svg { width: 24px; height: 24px; display: block; }
.brand-text { display: flex; align-items: baseline; gap: 7px; }
.brand-name { font-family: 'NotoKufiArabic', var(--font); font-weight: 700; font-size: 17px; letter-spacing: -.2px; }
.brand-sub {
  font-size: 12px; color: var(--ink-muted); font-weight: 500;
  padding-inline-start: 7px; border-inline-start: 1px solid var(--border);
}

/* --------------------------------------------------------------- جستجو */
.search { position: relative; flex: 1 1 auto; max-width: 460px; margin-inline: auto; }
.search-icon {
  position: absolute; inset-inline-start: 11px; inset-block-start: 50%;
  transform: translateY(-50%); width: 17px; height: 17px;
  color: var(--ink-muted); pointer-events: none;
}
.search input {
  width: 100%; height: 38px;
  padding-inline: 36px 38px;
  font: inherit; font-size: 14px; color: var(--ink);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  transition: background .15s, border-color .15s, box-shadow .15s;
}
.search input::placeholder { color: var(--ink-muted); }
.search input::-webkit-search-cancel-button { display: none; }
.search input:hover { border-color: var(--border-strong); }
.search input:focus {
  outline: none; background: var(--surface);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}
.search-hint {
  position: absolute; inset-inline-end: 10px; inset-block-start: 50%;
  transform: translateY(-50%); pointer-events: none;
  direction: ltr; font-size: 11px;
}
.search input:focus ~ .search-hint,
.search input:not(:placeholder-shown) ~ .search-hint { opacity: 0; }

.search-results {
  position: absolute; inset-block-start: calc(100% + 8px);
  inset-inline: 0;
  max-height: min(60vh, 460px); overflow-y: auto;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 70;
}
.search-results[hidden] { display: none; }
.sr-item {
  display: block; padding: 9px 12px; border-radius: var(--r-md);
  color: var(--ink); cursor: pointer;
}
.sr-item + .sr-item { margin-block-start: 2px; }
.sr-item:hover, .sr-item.active { background: var(--primary-soft); }
.sr-item.active { box-shadow: inset 2px 0 0 var(--accent); }
.sr-title { display: block; font-weight: 700; font-size: 14.5px; line-height: 1.6; }
.sr-title mark { background: color-mix(in srgb, var(--accent) 38%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }
.sr-meta { display: block; font-size: 12px; color: var(--ink-muted); line-height: 1.7; }
.sr-section {
  display: inline-block; font-size: 11px; font-weight: 500;
  color: var(--primary); background: var(--primary-soft);
  border-radius: var(--r-full); padding: 1px 8px; margin-inline-end: 6px;
}
.sr-empty { padding: 18px 12px; text-align: center; color: var(--ink-muted); font-size: 14px; }

/* حالت روشن/تیره در دکمهٔ تم */
.theme-toggle .i-moon { display: none; }
:root[data-theme='dark'] .theme-toggle .i-sun { display: none; }
:root[data-theme='dark'] .theme-toggle .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .theme-toggle .i-sun { display: none; }
  :root:not([data-theme='light']) .theme-toggle .i-moon { display: block; }
}

/* -------------------------------------------------------------- چیدمان */
.layout {
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: 20px;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  gap: 40px;
  align-items: start;
}

/* ------------------------------------------------------------- سایدبار */
.sidebar {
  position: sticky;
  inset-block-start: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-block: 28px 40px;
  scrollbar-width: thin;
}
.sidebar-inner { padding-inline-end: 6px; }

.nav-sections { list-style: none; }
.nav-section + .nav-section { margin-block-start: 22px; }

.nav-section-head {
  display: flex; align-items: center; gap: 9px;
  color: var(--ink); font-weight: 700; font-size: 14px;
  padding: 4px 8px; border-radius: var(--r-sm);
  margin-block-end: 6px;
}
.nav-section-head:hover { color: var(--primary); background: var(--surface-alt); }
.nav-icon { width: 17px; height: 17px; color: var(--accent); }
.nav-section.open .nav-section-head { color: var(--primary); }

.nav-pages {
  list-style: none;
  margin-inline-start: 8px;
  padding-inline-start: 9px;
  border-inline-start: 1.5px solid var(--border);
}
.nav-link {
  display: block; position: relative;
  padding: 5px 10px; margin-inline-start: -1px;
  border-radius: var(--r-sm);
  color: var(--ink-muted); font-size: 14px; line-height: 1.75;
  transition: color .12s, background .12s;
}
.nav-link:hover { color: var(--ink); background: var(--surface-alt); }
.nav-link.current { color: var(--primary); font-weight: 700; background: var(--primary-soft); }
.nav-link.current::before {
  content: ''; position: absolute;
  inset-inline-start: -10.5px; inset-block: 5px;
  width: 2px; border-radius: 2px; background: var(--accent);
}

/* -------------------------------------------------------------- محتوا */
.content {
  min-width: 0;
  padding-block: 26px 64px;
  max-width: var(--measure);
}
.content:focus { outline: none; }

.breadcrumbs { margin-block-end: 18px; }
.breadcrumbs ol {
  list-style: none; display: flex; flex-wrap: wrap; align-items: center;
  gap: 7px; font-size: 13px; color: var(--ink-muted);
}
.breadcrumbs a { color: var(--ink-muted); }
.breadcrumbs a:hover { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.breadcrumbs .sep { color: var(--ink-disabled); }
.breadcrumbs [aria-current='page'] { color: var(--ink); font-weight: 500; }

/* ---------------------------------------------------------- تایپوگرافی */
.prose h1 {
  font-size: 34px; line-height: 1.4; letter-spacing: -.4px;
  margin-block-end: 14px;
}
.prose > .lead, .prose p.lead {
  font-size: 18px; line-height: 1.9; color: var(--ink-muted);
  margin-block-end: 30px;
}
.prose h2 {
  font-size: 25px; letter-spacing: -.2px;
  margin-block: 44px 14px;
  padding-block-end: 10px;
  border-block-end: 1px solid var(--border);
  scroll-margin-block-start: calc(var(--header-h) + 16px);
}
.prose h3 {
  font-size: 19px; font-weight: 700;
  margin-block: 32px 10px;
  scroll-margin-block-start: calc(var(--header-h) + 16px);
}
.prose h4 { font-size: 16px; font-weight: 700; margin-block: 24px 8px; }
.prose p { margin-block: 0 16px; }
.prose > *:last-child { margin-block-end: 0; }

.prose a:not(.card):not(.pager-link) {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--primary) 35%, transparent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
}
.prose a:not(.card):not(.pager-link):hover { text-decoration-color: var(--primary); }

.prose strong, .prose b { font-weight: 700; color: var(--ink); }

.h-anchor {
  margin-inline-start: 8px;
  color: var(--ink-disabled);
  font-weight: 400;
  opacity: 0;
  transition: opacity .12s;
  text-decoration: none !important;
}
h2:hover .h-anchor, h3:hover .h-anchor, .h-anchor:focus-visible { opacity: 1; }

/* فهرست‌های عادی */
.prose ul:not(.steps):not(.nav-pages):not(.nav-sections) {
  list-style: none; margin-block: 0 18px; padding-inline-start: 4px;
}
.prose ul:not(.steps) > li {
  position: relative; padding-inline-start: 20px; margin-block-end: 8px;
}
.prose ul:not(.steps) > li::before {
  content: ''; position: absolute;
  inset-inline-start: 4px; inset-block-start: .78em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.prose ol:not(.steps) {
  margin-block: 0 18px; padding-inline-start: 26px; list-style: decimal;
}
.prose ol:not(.steps) > li { margin-block-end: 8px; padding-inline-start: 4px; }
.prose li > ul, .prose li > ol { margin-block-start: 8px; }

/* ------------------------------------------------------------ گام‌ها */
ol.steps {
  list-style: none;
  counter-reset: step;
  margin-block: 22px 26px;
  padding: 0;
  border-inline-start: 1.5px solid var(--border);
  padding-inline-start: 0;
  margin-inline-start: 15px;
}
ol.steps > li {
  counter-increment: step;
  position: relative;
  padding-inline-start: 26px;
  padding-block: 0 20px;
  margin: 0;
}
ol.steps > li:last-child { padding-block-end: 0; }
ol.steps > li::before {
  content: counter(step, persian);
  position: absolute;
  inset-inline-start: -15.75px;
  inset-block-start: -1px;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  color: var(--primary);
  font-size: 13.5px; font-weight: 700; line-height: 1;
}
ol.steps > li > b:first-child,
ol.steps > li > strong:first-child {
  display: block;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.7;
  margin-block-end: 2px;
  padding-block-start: 2px;
}

/* --------------------------------------------------------- کال‌اوت‌ها */
.callout {
  margin-block: 22px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  border-inline-start: 3px solid var(--ink-muted);
  background: var(--surface);
  font-size: 15px;
}
.callout .callout-head {
  display: flex; align-items: center; gap: 7px;
  font-weight: 700; font-size: 13.5px; line-height: 1.6;
  margin-block-end: 5px;
}
.callout .icon { width: 17px; height: 17px; }
.callout p { margin-block: 0 8px; }
.callout > p:last-child { margin-block-end: 0; }
.callout ul, .callout ol { margin-block-end: 0 !important; }

.callout.note { background: var(--info-soft); border-color: color-mix(in srgb, var(--info) 30%, transparent); border-inline-start-color: var(--info); }
.callout.note .callout-head { color: var(--info-ink); }
.callout.tip { background: var(--success-soft); border-color: color-mix(in srgb, var(--success) 30%, transparent); border-inline-start-color: var(--success); }
.callout.tip .callout-head { color: var(--success-ink); }
.callout.warning { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 30%, transparent); border-inline-start-color: var(--danger); }
.callout.warning .callout-head { color: var(--danger-ink); }

/* -------------------------------------------------------------- جدول */
.table-wrap {
  margin-block: 22px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
}
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 380px; }
.table-wrap th, .table-wrap td {
  padding: 11px 14px;
  text-align: start;
  border-block-end: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.75;
}
.table-wrap thead th {
  background: var(--surface-alt);
  font-weight: 700; font-size: 13.5px;
  color: var(--ink);
  white-space: nowrap;
}
.table-wrap tbody tr:last-child th,
.table-wrap tbody tr:last-child td { border-block-end: 0; }
.table-wrap tbody tr:hover { background: color-mix(in srgb, var(--surface-alt) 45%, transparent); }

/* ----------------------------------------------------------- تصویرها */
/*
  هر تصویر تا دو نسخه دارد: دسکتاپ (تمام‌عرضِ ستون محتوا) و موبایل (قاب باریکِ
  وسط‌چین شبیه گوشی). نسخهٔ فعال یا روی خود figure نشسته (شات تک‌viewport) یا از
  data-docs-viewport روی <html> می‌آید (شات دوحالته — تا پیش از اجرای JS هم قاب
  درست بیفتد و صفحه نپَرد).
*/
figure.shot { margin: 26px 0; }
figure.shot .shot-frame { margin: 0; }
figure.shot img {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  background: var(--surface);
  cursor: zoom-in;
}
figure.shot figcaption {
  margin-block-start: 10px;
  font-size: 13.5px;
  color: var(--ink-muted);
  text-align: center;
  line-height: 1.8;
}

/* نسخهٔ گرفته‌نشده: تصویر پنهان، جعبهٔ placeholder سرِ جایش */
figure.shot .ph-box { display: none; }
figure.shot.is-missing .shot-img { display: none; }
figure.shot.is-missing .ph-box {
  display: grid; place-items: center; gap: 8px;
  min-height: 190px;
  padding: 28px 22px;
  text-align: center;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-lg);
  background:
    repeating-linear-gradient(135deg,
      transparent 0 10px,
      color-mix(in srgb, var(--surface-alt) 55%, transparent) 10px 20px),
    var(--surface);
}
figure.shot .ph-icon { width: 30px; height: 30px; color: var(--ink-disabled); }
figure.shot .ph-alt { font-size: 14.5px; color: var(--ink-muted); max-width: 46ch; margin: 0; }
figure.shot .ph-file { font-size: 11.5px; color: var(--ink-disabled); margin: 0; }

/* ---- قاب نسخهٔ موبایل ---- */
figure.shot[data-viewport='mobile'] .shot-frame,
:root[data-docs-viewport='mobile'] figure.shot[data-dual] .shot-frame {
  max-width: 400px;
  margin-inline: auto;
}
figure.shot[data-viewport='mobile'] .shot-frame img,
:root[data-docs-viewport='mobile'] figure.shot[data-dual] .shot-frame img {
  border-radius: 30px;
  border-width: 1.5px;
}
figure.shot[data-viewport='mobile'] .ph-box,
:root[data-docs-viewport='mobile'] figure.shot[data-dual] .ph-box {
  min-height: 320px;
  border-radius: 30px;
}

/* ---- سوییچ «دسکتاپ | موبایل» ---- */
.shot-switch {
  display: flex;
  gap: 2px;
  width: max-content;
  margin: 10px auto 0;
  padding: 3px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
}
.vp-btn {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 30px;
  padding: 4px 14px;
  background: transparent;
  border: 0;
  border-radius: var(--r-full);
  color: var(--ink-muted);
  font-size: 13px; font-weight: 500; line-height: 1.6;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.vp-btn:hover { color: var(--ink); }
.vp-btn .icon { width: 15px; height: 15px; }
.vp-btn[aria-pressed='true'] {
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.vp-btn[aria-pressed='true']:hover { color: #fff; }
.vp-btn:focus-visible { border-radius: var(--r-full); }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 300;
  display: grid; place-items: center;
  padding: 32px;
  background: var(--overlay);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox img {
  max-width: min(1200px, 100%); max-height: 88vh;
  width: auto; object-fit: contain;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  background: var(--surface);
}
.lightbox-close {
  position: absolute; inset-block-start: 16px; inset-inline-end: 16px;
  background: var(--surface); color: var(--ink);
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------- کارت */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  margin-block: 26px;
}
.card {
  position: relative;
  display: block;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.card:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: var(--ink);
}
.card h3 { font-size: 16px; font-weight: 700; margin: 0 0 4px; }
.card p { font-size: 13.5px; color: var(--ink-muted); line-height: 1.8; margin: 0; }
.card-go {
  position: absolute; inset-block-start: 16px; inset-inline-end: 16px;
  color: var(--ink-disabled); font-size: 20px; line-height: 1;
  transform: scaleX(-1);
}
.card:hover .card-go { color: var(--accent); }

/* ------------------------------------------------------- قبلی / بعدی */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-block-start: 56px;
  padding-block-start: 26px;
  border-block-start: 1px solid var(--border);
}
.pager-link {
  display: flex; flex-direction: column; gap: 3px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.pager-link:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); color: var(--ink); }
.pager-link.empty { border: 0; background: none; pointer-events: none; }
.pager-link.next { text-align: start; }
.pager-link.prev { text-align: end; }
.pager-dir { font-size: 12px; color: var(--ink-muted); }
.pager-title { font-size: 15px; font-weight: 700; line-height: 1.7; }

.page-footer {
  margin-block-start: 40px;
  font-size: 13px;
  color: var(--ink-disabled);
}

/* --------------------------------------------------- «در این صفحه» */
.toc {
  position: sticky;
  inset-block-start: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding-block: 32px 40px;
  font-size: 13.5px;
}
.toc-title {
  font-size: 12px; font-weight: 700; letter-spacing: .3px;
  color: var(--ink-muted); text-transform: none;
  margin-block-end: 10px;
}
.toc ul { list-style: none; border-inline-start: 1.5px solid var(--border); }
.toc li a {
  display: block;
  padding: 4px 12px;
  margin-inline-start: -1.5px;
  border-inline-start: 1.5px solid transparent;
  color: var(--ink-muted);
  line-height: 1.7;
  transition: color .12s, border-color .12s;
}
.toc li a:hover { color: var(--ink); }
.toc li a.active { color: var(--primary); font-weight: 700; border-inline-start-color: var(--accent); }
.toc li.lv3 a { padding-inline-start: 24px; font-size: 13px; }

/* ------------------------------------------------------------ لندینگ */
body.landing .sidebar { display: none; }
body.landing .layout {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  max-width: 1080px;
}
body.landing .content { max-width: none; padding-block: 0 72px; }

.hero {
  text-align: center;
  padding-block: 72px 44px;
}
.hero h1 {
  font-size: clamp(34px, 5.5vw, 50px);
  line-height: 1.35;
  letter-spacing: -1px;
  margin-block-end: 14px;
}
.hero h1 .hl {
  background: linear-gradient(180deg, transparent 62%, color-mix(in srgb, var(--accent) 45%, transparent) 62%);
}
.hero .lead {
  font-size: 18px;
  color: var(--ink-muted);
  max-width: 56ch;
  margin-inline: auto;
  margin-block-end: 30px;
  line-height: 1.95;
}
.hero-search {
  max-width: 560px;
  margin-inline: auto;
}
.hero-search .search { max-width: none; margin: 0; }
.hero-search .search input {
  height: 52px; font-size: 16px;
  padding-inline: 46px 46px;
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}
.hero-search .search-icon { inset-inline-start: 16px; width: 20px; height: 20px; }
.hero-search .search-hint { inset-inline-end: 14px; }

.hero-links {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px;
  margin-block-start: 18px;
  font-size: 13.5px; color: var(--ink-muted);
}
.hero-links a {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: var(--surface);
  color: var(--ink-muted);
}
.hero-links a:hover { border-color: var(--primary); color: var(--primary); }

.sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
  gap: 14px;
  margin-block: 20px 56px;
}
.section-card {
  display: flex; align-items: flex-start; gap: 13px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.section-card:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--ink);
}
.section-card-icon {
  display: grid; place-items: center;
  width: 40px; height: 40px; flex: none;
  border-radius: var(--r-md);
  background: var(--primary-soft);
  color: var(--primary);
}
.section-card-body { display: block; min-width: 0; }
.section-card-title { display: block; font-weight: 700; font-size: 16px; line-height: 1.7; }
.section-card-desc { display: block; font-size: 13.5px; color: var(--ink-muted); line-height: 1.75; }

.landing-section-title {
  font-size: 14px; font-weight: 700; color: var(--ink-muted);
  margin-block: 40px 4px;
}

/* ---------------------------------------------------------- واکنش‌گرا */
.scrim {
  position: fixed; inset: 0; z-index: 55;
  background: var(--overlay);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.scrim[hidden] { display: none; }

@media (max-width: 1180px) {
  .toc { display: none; }
  .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); gap: 32px; }
}

@media (max-width: 900px) {
  :root { --header-h: 56px; }
  .nav-toggle { display: inline-grid; }
  .header-inner { padding-inline: 12px; gap: 8px; }
  .brand-sub { display: none; }
  /* هدف لمسی ۴۴px — همان توکن spacing[11] اپ */
  .icon-btn { width: 44px; height: 44px; }
  .nav-link { padding-block: 8px; }
  .vp-btn { min-height: 44px; padding-inline: 18px; font-size: 14px; }

  .layout { grid-template-columns: minmax(0, 1fr); padding-inline: 16px; }

  /*
    کشوی موبایل: جای‌گیری منطقی است (inset-inline-start = سمت راست در RTL)،
    ولی translateX فیزیکی است — پس جهت «بسته» را با متغیر عوض می‌کنیم.
  */
  .sidebar {
    --drawer-off: -100%;
    position: fixed; z-index: 58;
    inset-block: var(--header-h) 0;
    inset-inline-start: 0;
    width: min(84vw, 300px);
    background: var(--surface);
    border-inline-end: 1px solid var(--border);
    padding: 20px 16px 40px;
    max-height: none;
    transform: translateX(var(--drawer-off));
    transition: transform .22s ease;
    box-shadow: var(--shadow-lg);
  }
  [dir='rtl'] .sidebar { --drawer-off: 100%; }
  .sidebar.open { transform: translateX(0); }

  .content { padding-block: 18px 56px; max-width: none; }
  .prose h1 { font-size: 28px; }
  .prose h2 { font-size: 22px; margin-block-start: 36px; }
  .prose h3 { font-size: 18px; }
  .pager { grid-template-columns: 1fr; }
  .hero { padding-block: 44px 32px; }
}

@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .search-hint { display: none; }
  .brand-text { display: none; }
  .search { max-width: none; }
  ol.steps { margin-inline-start: 14px; }
  .card-grid, .sections-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ------------------------------------------------------------- چاپ */
@media print {
  .site-header, .sidebar, .toc, .pager, .scrim, .skip-link, .h-anchor,
  .shot-switch { display: none !important; }
  .layout { display: block; padding: 0; }
  .content { max-width: none; padding: 0; }
  body { background: #fff; color: #000; }
  figure.shot img { box-shadow: none; }
}