/* ===================================================================
   FastKnowledge Public Portal Theme (viewer.css)
   Inspired by Infobip Docs — clean, professional documentation design.
   =================================================================== */

/* ── Google Fonts ───────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Colors */
  --color-primary: #2176AE;
  --color-primary-dark: #0F5583;
  --color-primary-light: #E8EFFF;
  --color-primary-soft: #EBF4FF;
  --color-accent: #FC6423;

  /* Background Layers */
  --bg-body: #F8F9FD;
  --bg-card: #FFFFFF;
  --bg-sidebar: #F8F9FD;
  --bg-code: #0c0c25;

  /* Text */
  --text-main: #1B1A19;
  --text-secondary: #424B5C;
  --text-muted: #677796;
  --text-light: #A0ADB8;

  /* Borders */
  --border-color: #D0DCF2;
  --border-light: #E8EEF8;

  /* Fonts */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15,23,42,0.06), 0 4px 6px -4px rgba(15,23,42,0.04);

  /* Layout */
  --sidebar-width: 260px;
  --toc-width: 154px;
  --nav-height: 60px;

  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Base Reset & Typography ───────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0;
  line-height: 1.2;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ── Topbar / Jumbotron ────────────────────────────────────────── */
.jumbotron {
  position: relative;
  background-color: var(--color-header, var(--color-primary));
  background-image: linear-gradient(135deg, var(--color-header, var(--color-primary)) 0%, var(--color-header-dark, var(--color-primary-dark)) 100%);
  padding: 1.5rem 0 3rem 0;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.jumbotron.header-small {
  padding: 1rem 0 2rem 0;
}

.navbar {
  display: flex;
  align-items: center;
  min-height: var(--nav-height);
  margin-bottom: 1.25rem;
  padding: 0;
}

.jumbotron.header-small .navbar {
  margin-bottom: 0.75rem;
}

.navbar-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #fff !important;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.navbar-brand:hover {
  text-decoration: none;
  opacity: 0.9;
}

/* ── AI Assistant button in navbar ────────────────────────────── */
.ai-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff !important;
  text-decoration: none !important;
  font-size: 0.82rem;
  font-weight: 500;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}
.ai-nav-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-primary) 40%, transparent);
  color: #fff !important;
}


/* ── Search Bar ───────────────────────────────────────────────── */
.search-form {
  position: relative;
  width: 100%;
}

.input-group.search {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(12px);
  border-radius: 50px;
  padding: 4px 4px 4px 8px;
  transition: var(--transition);
  overflow: hidden;
}

.input-group.search:focus-within {
  background: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(33, 118, 174, 0.15);
}

.search-field {
  background: transparent !important;
  border: none !important;
  color: #fff !important;
  font-size: 1rem;
  font-weight: 400;
  padding: 0.65rem 1rem !important;
  outline: none !important;
  box-shadow: none !important;
  flex-grow: 1;
}

.input-group.search:focus-within .search-field {
  color: var(--text-main) !important;
}

.search-field::placeholder {
  color: rgba(255,255,255,0.55);
}

.input-group.search:focus-within .search-field::placeholder {
  color: var(--text-light);
}

.input-group.search button.input-group-text {
  background: rgba(255,255,255,0.18) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 50px !important;
  padding: 0.5rem 1.25rem !important;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.input-group.search:focus-within button.input-group-text {
  background: var(--color-primary) !important;
  color: #fff !important;
}

.input-group.search button.input-group-text:hover {
  background: #fff !important;
  color: var(--color-primary) !important;
}

/* ── Docs Layout Shell ─────────────────────────────────────────── */
.docs-layout {
  display: flex;
  min-height: calc(100vh - var(--nav-height));
  background: var(--bg-body);
}

/* ── Sidebar ───────────────────────────────────────────────────── */
.docs-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  padding: 2rem 0 3rem 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.docs-sidebar::-webkit-scrollbar {
  width: 4px;
}
.docs-sidebar::-webkit-scrollbar-track { background: transparent; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }

.docs-sidebar-section {
  margin-bottom: 0.25rem;
}

.docs-sidebar-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  margin: 0.75rem 0 0.25rem 0;
}

.docs-sidebar-nav {
  list-style: none;
  margin: 0;
  padding: 0 0.75rem;
}

.docs-sidebar-nav .nav-item {
  width: 100%;
  margin-bottom: 1px;
}

.docs-sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  transition: var(--transition);
  line-height: 1.4;
}

.docs-sidebar-nav .nav-link i {
  font-size: 0.85rem;
  color: var(--text-muted);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.docs-sidebar-nav .nav-link:hover {
  background: rgba(33, 118, 174, 0.06);
  color: var(--color-primary-dark);
  text-decoration: none;
  border-color: transparent;
}

.docs-sidebar-nav .nav-link:hover i {
  color: var(--color-primary);
}

.docs-sidebar-nav .nav-link.active {
  background: var(--color-primary-light) !important;
  color: var(--color-primary-dark) !important;
  font-weight: 600;
  border-color: transparent;
}

.docs-sidebar-nav .nav-link.active i {
  color: var(--color-primary) !important;
}

/* ── Main Content Area ─────────────────────────────────────────── */
.docs-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.docs-content-wrapper {
  display: flex;
  flex: 1;
  max-width: 100%;
}

.docs-content {
  flex: 1;
  min-width: 0;
  padding: 2.5rem 2.5rem 4rem 2.5rem;
}

/* ── Table of Contents (Article only) ─────────────────────────── */
.docs-toc {
  width: var(--toc-width);
  flex-shrink: 0;
  padding: 1.75rem 0.75rem 2rem 0.25rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: none;
}

.docs-toc::-webkit-scrollbar { display: none; }

.docs-toc-heading {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
}

.docs-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 1px solid var(--border-color);
}

.docs-toc-list li a {
  display: block;
  padding: 0.2rem 0.5rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.4;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: var(--transition);
}

.docs-toc-list li a:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
  border-left-color: var(--color-primary);
}

.docs-toc-list li.active a {
  color: var(--color-primary-dark);
  font-weight: 600;
  border-left-color: var(--color-primary);
}

.docs-toc-list .toc-h3 a {
  padding-left: 1rem;
  font-size: 0.68rem;
}

/* ── Breadcrumb ────────────────────────────────────────────────── */
.docs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.75rem;
  font-size: 0.85rem;
}

.docs-breadcrumb a {
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.docs-breadcrumb a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.docs-breadcrumb .sep {
  color: var(--text-light);
  font-size: 0.75rem;
}

.docs-breadcrumb .current {
  color: var(--text-main);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

/* ── Article Header ────────────────────────────────────────────── */
.article-heading {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  color: var(--text-main);
  line-height: 1.15;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
  border: 2px solid var(--border-light);
  background-color: var(--bg-body);
}

.author-name {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.article-updated {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── Article Body ──────────────────────────────────────────────── */
.article-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.article-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.article-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.article-content a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content a:hover {
  color: var(--color-primary-dark);
}

.article-content ul,
.article-content ol {
  margin-left: 1.25rem;
  margin-bottom: 1.25rem;
}

.article-content li {
  margin-bottom: 0.4rem;
}

.article-content blockquote {
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-soft);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-content code {
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xs);
  padding: 0.1em 0.4em;
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--color-primary-dark);
}

.article-content pre {
  background: var(--bg-code);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid rgba(255,255,255,0.06);
}

.article-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: #e2e8f0;
  font-size: 0.875rem;
  line-height: 1.7;
}

.article-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.article-content thead {
  background: var(--bg-body);
}

.article-content th {
  padding: 0.65rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.article-content td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

.article-content tbody tr:last-child td {
  border-bottom: none;
}

.article-content tbody tr:hover {
  background: var(--bg-body);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  display: block;
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

/* ── Recommended Articles ──────────────────────────────────────── */
.recommendations {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.recommendations h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

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

.recommendations li {
  margin-bottom: 0.4rem;
}

.recommendations li a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  text-decoration: none;
  transition: var(--transition);
}

.recommendations li a::before {
  content: "→";
  color: var(--text-light);
  font-size: 0.85rem;
  transition: var(--transition);
}

.recommendations li a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.recommendations li a:hover::before {
  color: var(--color-primary);
  transform: translateX(3px);
}

/* ── Voting ────────────────────────────────────────────────────── */
.article-vote-section {
  margin-top: 3rem;
  padding: 1.75rem;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  text-align: center;
}

.article-vote-section p {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.article-vote {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

/* ── Category Detail ───────────────────────────────────────────── */
.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.category-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: 1.3rem;
}

.category-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0;
  color: var(--text-main);
}

.category-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.category-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 1.25rem 0 1.5rem 0;
}

/* Articles list in category */
.articles-listing {
  list-style: none;
  padding: 0;
  margin: 0;
}

.articles-listing li {
  position: relative;
}

.articles-listing li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  border-bottom: 1px solid var(--border-light);
}

.articles-listing li:last-child a {
  border-bottom: none;
}

.articles-listing li a::before {
  content: "\f0f6";
  font-family: "Font Awesome 5 Free", "Font Awesome 6 Free", FontAwesome;
  font-weight: 400;
  color: var(--text-light);
  font-size: 0.875rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.articles-listing li a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding-left: 1.25rem;
}

.articles-listing li a:hover::before {
  color: var(--color-primary);
}

/* ── Search Results ────────────────────────────────────────────── */
.search-results-header {
  margin-bottom: 1.5rem;
}

.search-results-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.search-results-title span {
  color: var(--color-primary);
}

.search-results-count {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.search-result-item {
  display: block;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  text-decoration: none;
  transition: var(--transition);
  color: inherit;
}

.search-result-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: inherit;
  transform: translateY(-1px);
}

.search-result-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.search-result-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.search-result-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.search-result-meta {
  font-size: 0.8rem;
  color: var(--text-light);
}

.search-no-results {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.search-no-results .icon {
  font-size: 2.5rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.search-no-results h3 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.search-no-results p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ── Homepage Listing (home.html) ─────────────────────────────── */
.homepage-listing {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0 0;
}

.homepage-listing li a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.75rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  border-bottom: 1px solid var(--border-light);
}

.homepage-listing li:last-child a {
  border-bottom: none;
}

.homepage-listing li a::before {
  content: "\f0f6";
  font-family: "Font Awesome 5 Free", "Font Awesome 6 Free", FontAwesome;
  font-weight: 400;
  color: var(--text-light);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.homepage-listing li a:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  text-decoration: none;
}

.homepage-listing li a:hover::before {
  color: var(--color-primary);
}

/* ── Category Cards (home.html) ────────────────────────────────── */
.category-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.category-box:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.category-box .card-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  padding: 0;
}

.category-box i.cat-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  background: var(--color-primary-light);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.category-box:hover i.cat-icon {
  background: var(--color-primary);
  color: #fff;
}

.category-box .card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.category-box .author {
  color: var(--text-muted);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* ── White content card (old layout compat) ───────────────────── */
.white-background {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

/* ── Section spacing ───────────────────────────────────────────── */
.section {
  padding: 2.5rem 0;
}

/* ── Contact Form ──────────────────────────────────────────────── */
.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-control,
.form-select {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  background-color: var(--bg-body);
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  background-color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(33, 118, 174, 0.12);
  outline: none;
}

.btn-primary {
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.5rem;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* ── Footer ────────────────────────────────────────────────────── */
footer {
  padding: 2rem 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  margin-top: 0;
}

footer p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--color-primary);
}

/* ── Language Switcher ─────────────────────────────────────────── */
.lang-switcher .btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-weight: 500;
  font-size: 0.82rem;
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition);
}

.lang-switcher .btn:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

.lang-switcher .dropdown-menu {
  background: #0f172a;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.4rem;
  min-width: 140px;
}

.lang-switcher .dropdown-item {
  color: rgba(255,255,255,0.7);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.lang-switcher .dropdown-item:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.lang-switcher .dropdown-item.active-lang {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

/* ── Navbar brand image ────────────────────────────────────────── */
.navbar-brand img {
  height: 30px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  border-radius: var(--radius-xs);
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .docs-sidebar {
    display: none;
  }

  .docs-toc {
    display: none;
  }

  .docs-content {
    padding: 1.75rem 1.25rem 3rem 1.25rem;
    max-width: 100%;
  }

  .article-heading {
    font-size: 1.75rem;
  }
}

@media (max-width: 767.98px) {
  .docs-content {
    padding: 1.25rem 1rem 2.5rem 1rem;
  }

  .article-heading {
    font-size: 1.5rem;
  }

  .white-background {
    padding: 1.5rem 1rem;
  }

  .search-result-item {
    padding: 1rem;
  }
}