@font-face {
  font-family: "Mehr";
  src: url("../fonts/mehr.woff") format("woff");
  font-display: swap;
}

@font-face {
  font-family: "Arabic Typesetting";
  src: url("../fonts/arabic-typesetting.woff2") format("woff2");
  font-display: swap;
}

:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #eef2fa;
  --surface-strong: #e3e9f6;
  --text: #172033;
  --muted: #677187;
  --border: #dce2ee;
  --brand: #183e8f;
  --brand-strong: #102f73;
  --focus: #d99112;
  --shadow: 0 20px 60px rgb(20 45 100 / 11%);
  --header-height: 4.75rem;
  --sidebar-width: 18.5rem;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #080b13;
  --surface: #0f1420;
  --surface-soft: #151c2c;
  --surface-strong: #1b2740;
  --text: #e8ecf4;
  --muted: #a7b0c2;
  --border: #27334a;
  --brand: #7da4ff;
  --brand-strong: #a8c1ff;
  --focus: #ffc45d;
  --shadow: 0 18px 55px rgb(0 0 0 / 28%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

html[lang="ur"] body {
  font-family: "Mehr", "Arabic Typesetting", serif;
  font-size: 1.08rem;
}

html[lang="ar"] body {
  font-family: "Arabic Typesetting", serif;
  font-size: 1.2rem;
}

a {
  color: var(--brand);
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

button,
select {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  inset-block-start: .5rem;
  inset-inline-start: .5rem;
  z-index: 100;
  padding: .6rem 1rem;
  background: var(--surface);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(11rem, auto) minmax(14rem, 35rem) auto;
  align-items: center;
  gap: 1rem;
  min-height: var(--header-height);
  padding: .75rem clamp(1rem, 3vw, 2.75rem);
  border-block-end: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: 0 1px 0 rgb(255 255 255 / 30%);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand-logo {
  display: grid;
  height: 3rem;
  padding: .2rem 0;
  place-items: center;
}

.brand-logo img {
  display: block;
  width: auto;
  height: 2.7rem;
}

.brand-logo .logo-dark {
  display: none;
}

[data-theme="dark"] .brand-logo .logo-light {
  display: none;
}

[data-theme="dark"] .brand-logo .logo-dark {
  display: block;
  height: 2.35rem;
}

.search {
  position: relative;
}

.search input {
  width: 100%;
  min-height: 2.85rem;
  padding: .58rem 2.65rem .58rem 1rem;
  border: 1px solid var(--border);
  border-radius: .85rem;
  background-color: var(--bg);
  background-image: linear-gradient(45deg, transparent 48%, var(--muted) 49%, var(--muted) 52%, transparent 53%);
  background-position: calc(100% - 1.1rem) 1.32rem;
  background-repeat: no-repeat;
  background-size: .55rem .55rem;
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}

[dir="rtl"] .search input {
  padding: .58rem 1rem .58rem 2.65rem;
  background-position: 1.1rem 1.32rem;
}

.search input:focus {
  border-color: var(--brand);
  background-color: var(--surface);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 13%, transparent);
  outline: 0;
}

.search-results {
  position: absolute;
  inset-block-start: calc(100% + .4rem);
  inset-inline: 0;
  display: none;
  margin: 0;
  padding: .4rem;
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  list-style: none;
}

.search-results.is-open {
  display: block;
}

.search-results a,
.search-empty {
  display: block;
  padding: .55rem .7rem;
  border-radius: .5rem;
}

.search-results a:hover {
  background: var(--surface-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: .65rem;
  justify-content: flex-end;
}

.language-links,
.theme-switch {
  display: flex;
  gap: .15rem;
  padding: .22rem;
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: var(--bg);
}

.language-dropdown {
  display: none;
}

.language-dropdown-toggle {
  min-height: 2.4rem;
  padding: .35rem .65rem;
  border: 1px solid var(--border);
  border-radius: .65rem;
  background: var(--bg);
  color: var(--text);
  font-size: .82rem;
  font-weight: 650;
}

.language-dropdown .dropdown-menu {
  min-width: 8rem;
  padding: .35rem;
  border-color: var(--border);
  border-radius: .75rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.language-dropdown .dropdown-item {
  padding: .45rem .65rem;
  border-radius: .5rem;
  color: var(--text);
  text-align: start;
}

.language-dropdown .dropdown-item:hover,
.language-dropdown .dropdown-item:focus {
  background: var(--surface-soft);
}

.language-dropdown .dropdown-item.active {
  background: var(--surface-strong);
  color: var(--brand-strong);
  font-weight: 700;
}

.language-links a,
.theme-switch button,
.icon-button,
.theme-select {
  min-height: 2.4rem;
  padding: .35rem .65rem;
  border: 1px solid transparent;
  border-radius: .55rem;
  background: transparent;
  color: var(--muted);
  text-decoration: none;
}

.language-links a[aria-current="page"] {
  border-color: transparent;
  background: var(--surface);
  box-shadow: 0 2px 8px rgb(24 62 143 / 9%);
  color: var(--brand-strong);
  font-weight: 700;
}

.theme-switch button {
  border: 1px solid transparent;
  background: transparent;
}

.theme-switch button[aria-pressed="true"] {
  background: var(--surface);
  box-shadow: 0 2px 8px rgb(24 62 143 / 9%);
  color: var(--brand-strong);
  font-weight: 700;
}

.menu-button {
  display: none;
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  grid-template-areas: "sidebar main";
  direction: ltr;
  max-width: 92rem;
  min-height: calc(100vh - var(--header-height));
  margin: 0 auto;
}

[dir="rtl"] .layout {
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  grid-template-areas: "main sidebar";
}

[dir="rtl"] .sidebar,
[dir="rtl"] .main {
  direction: rtl;
}

[dir="ltr"] .sidebar,
[dir="ltr"] .main {
  direction: ltr;
}

.sidebar {
  grid-area: sidebar;
  border-inline-end: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.sidebar .offcanvas-body {
  display: block;
  padding: 2.4rem 1.5rem;
  overflow-y: auto;
}

[dir="rtl"] .sidebar {
  border-inline-start: 1px solid var(--border);
  border-inline-end: 0;
  text-align: right;
}

[dir="ltr"] .sidebar {
  text-align: left;
}

.nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-section {
  margin-block-end: .35rem;
}

.nav-section summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .7rem .75rem;
  border-radius: .7rem;
  color: var(--text);
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}

.nav-section summary::-webkit-details-marker {
  display: none;
}

.nav-section summary::after {
  content: "⌄";
  color: var(--muted);
  font-family: system-ui, sans-serif;
  transition: transform .18s ease;
}

.nav-section:not([open]) summary::after {
  transform: rotate(-90deg);
}

[dir="rtl"] .nav-section:not([open]) summary::after {
  transform: rotate(90deg);
}

.nav-count {
  margin-inline-start: auto;
  padding: .05rem .45rem;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: .68rem;
  font-weight: 700;
}

.nav-section .nav-list {
  padding-inline-start: .65rem;
}

.nav-list a {
  display: block;
  padding: .65rem .8rem;
  border-radius: .7rem;
  color: var(--muted);
  text-decoration: none;
}

.nav-list a {
  display: flex;
  align-items: center;
  gap: .55rem;
}

.nav-page-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
}

.nav-list a[aria-current="page"] {
  background: var(--surface-strong);
  color: var(--brand-strong);
  font-weight: 700;
}

.main {
  grid-area: main;
  min-width: 0;
  padding: clamp(2.5rem, 5vw, 5.5rem);
}

.article {
  max-width: 50rem;
  margin: 0 auto;
}

.breadcrumbs {
  display: flex;
  gap: .45rem;
  margin-block-end: 2rem;
  color: var(--muted);
  font-size: .9rem;
}

h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 4.25rem);
  line-height: 1.14;
  letter-spacing: -.025em;
  color: var(--text);
}

.lede {
  max-width: 42rem;
  margin-block: 1.25rem 2rem;
  color: var(--muted);
  font-size: 1.22em;
  line-height: 1.9;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block: 1rem;
  border-block: 1px solid var(--border);
  color: var(--muted);
  font-size: .88rem;
}

.copy-link {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--brand);
}

.callout {
  margin-block: 2rem;
  padding: 1.25rem 1.4rem;
  border-inline-start: .3rem solid var(--brand);
  border-radius: .8rem;
  background: var(--surface-soft);
}

.steps {
  padding-inline-start: 1.5rem;
}

.steps li {
  margin-block: 1rem;
  padding-inline-start: .4rem;
}

.page-navigation {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-block-start: 4rem;
  padding-block-start: 1.25rem;
  border-block-start: 1px solid var(--border);
}

.page-navigation a {
  padding: .8rem 1rem;
  border: 1px solid var(--border);
  border-radius: .7rem;
  text-decoration: none;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  margin-block-start: .5rem;
  padding: .82rem 1.1rem;
  border-radius: .75rem;
  background: var(--brand);
  box-shadow: 0 10px 25px color-mix(in srgb, var(--brand) 25%, transparent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease;
}

.article h2 {
  color: var(--brand-strong);
}

.article h3,
.article h4,
.article h5,
.article h6 {
  color: var(--text);
}

.manual-screenshot {
  margin-block: 1.75rem;
}

.manual-screenshot img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-inline: auto;
  border: 1px solid var(--border);
  border-radius: .8rem;
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.manual-screenshot[data-appearance="dark"] {
  display: none;
}

[data-theme="dark"] .manual-screenshot[data-appearance="light"] {
  display: none;
}

[data-theme="dark"] .manual-screenshot[data-appearance="dark"] {
  display: block;
}

.manual-mode-dark {
  display: none;
}

[data-theme="dark"] .manual-mode-light {
  display: none;
}

[data-theme="dark"] .manual-mode-dark {
  display: block;
}

.primary-action:hover {
  background: var(--brand-strong);
  transform: translateY(-2px);
}

@media (min-width: 992px) {
  .sidebar {
    position: sticky;
    inset-block-start: var(--header-height);
    height: calc(100vh - var(--header-height));
  }

  .sidebar .offcanvas-header {
    display: none;
  }

  .sidebar .offcanvas-body {
    height: 100%;
  }
}

@media (max-width: 991.98px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .search {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .language-links a {
    padding-inline: .35rem;
  }

  .layout,
  [dir="rtl"] .layout {
    display: block;
  }

  .main,
  [dir="rtl"] .main {
    padding: 2rem clamp(1rem, 5vw, 3rem);
  }

  .menu-button {
    display: inline-grid;
    place-items: center;
  }

  .sidebar {
    --bs-offcanvas-width: min(85vw, var(--sidebar-width));
    border-color: var(--border);
    background: var(--surface);
  }

  .sidebar .offcanvas-header {
    min-height: 3.5rem;
    justify-content: flex-end;
    border-block-end: 1px solid var(--border);
  }

  [data-theme="dark"] .sidebar .btn-close {
    filter: invert(1) grayscale(1);
  }

  .sidebar .offcanvas-body {
    padding: 1.25rem;
  }
}

@media (max-width: 620px) {
  .site-header {
    grid-template-columns: minmax(4rem, 1fr) auto;
    gap: .55rem;
    padding-inline: .7rem;
  }

  .brand-logo img {
    height: 2rem;
  }

  [data-theme="dark"] .brand-logo .logo-dark {
    height: 1.85rem;
  }

  .header-actions {
    gap: .15rem;
  }

  .language-links {
    display: none;
  }

  .language-dropdown {
    display: block;
  }

  .language-dropdown-toggle {
    max-width: 6.8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .theme-switch {
    padding: .15rem;
  }

  .theme-switch button {
    min-height: 2.15rem;
    padding: .25rem .45rem;
    font-size: .78rem;
  }
}

@media print {
  .site-header,
  .sidebar,
  .copy-link {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .main {
    padding: 0;
  }

  .article {
    max-width: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  .manual-screenshot[data-appearance="light"] {
    display: block;
  }

  .manual-screenshot[data-appearance="dark"] {
    display: none;
  }
}