/* ==========================================================================
   Asem Abdullah Najee - Portfolio Stylesheet
   Modern, Clean, Responsive CSS Architecture
   Supports: Bilingual (EN/AR with RTL), Dark/Light Themes, Dynamic Template
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Almarai:wght@400;700;800&family=Cairo:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700;800&family=Tajawal:wght@400;500;700&display=swap');

/* --------------------------------------------------------------------------
   Local Arabic Typography (@font-face)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Adobe Naskh';
  src: url('../assets/fonts/ar/text/adobe-naskh.ttf') format('truetype'),
       url('../assets/fonts/ar/text/%D8%AE%D8%B7%20%D8%A7%D8%AF%D9%88%D8%A8%D9%8A%20%D9%86%D8%B3%D8%AE.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  size-adjust: 122%;
}

@font-face {
  font-family: 'KA Typical Naskh';
  src: url('../assets/fonts/ar/text/ka-typical.ttf') format('truetype'),
       url('../assets/fonts/ar/text/KATypicalNaskhv2.0.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  size-adjust: 120%;
}

@font-face {
  font-family: 'Muna';
  src: url('../assets/fonts/ar/text/muna.ttf') format('truetype'),
       url('../assets/fonts/ar/text/Muna.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  size-adjust: 110%;
}

@font-face {
  font-family: 'Muna';
  src: url('../assets/fonts/ar/heading/muna-black.ttf') format('truetype'),
       url('../assets/fonts/ar/heading/MunaBlack.ttf') format('truetype');
  font-weight: 700 900;
  font-style: normal;
  font-display: swap;
  size-adjust: 110%;
}

@font-face {
  font-family: 'Zain';
  src: url('../assets/fonts/ar/heading/zain.ttf') format('truetype'),
       url('../assets/fonts/ar/heading/Zain%20PC-VF.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  size-adjust: 102%;
}

@font-face {
  font-family: 'AlMohanad';
  src: url('../assets/fonts/ar/heading/almohanad.ttf') format('truetype'),
       url('../assets/fonts/ar/heading/%D8%AE%D8%B7%20%D8%AE%D8%A7%D9%84%D8%AF%D8%A8%D9%88%D9%84%D8%AF(%D8%A7%D9%84%D9%85%D9%87%D9%86%D8%AF).ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  size-adjust: 96%;
}

@font-face {
  font-family: 'Milan Display';
  src: url('../assets/fonts/ar/heading/milan-display.otf') format('opentype'),
       url('../assets/fonts/ar/heading/Milan%20Display%20Black.otf') format('opentype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
  size-adjust: 92%;
}

@font-face {
  font-family: 'AlJazeera';
  src: url('../assets/fonts/ar/text/aljazeera.ttf') format('truetype'),
       url('../assets/fonts/ar/text/%D8%A7%D9%84%D8%AC%D8%B2%D9%8A%D8%B1%D8%A9.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  size-adjust: 104%;
}

@font-face {
  font-family: 'AlJazeera';
  src: url('../assets/fonts/ar/heading/aljazeera-bold.ttf') format('truetype'),
       url('../assets/fonts/ar/heading/%D8%A7%D9%84%D8%AC%D8%B2%D9%8A%D8%B1%D8%A9%20%D8%B9%D8%B1%D9%8A%D8%B6.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  size-adjust: 104%;
}

@font-face {
  font-family: 'Amiri';
  src: local('Amiri'),
       url('https://fonts.gstatic.com/s/amiri/v28/J7acnpFqFp3u5v5K.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  size-adjust: 120%;
}

/* --------------------------------------------------------------------------
   1. Design System & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Light Theme (Default) */
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: rgba(2, 132, 199, 0.1);
  --primary-glow: rgba(2, 132, 199, 0.25);
  --primary-foreground: #ffffff;

  --background: #f8fafc;
  --foreground: #0f172a;
  --card: #ffffff;
  --card-foreground: #0f172a;
  --card-border: #e2e8f0;

  --secondary: #f1f5f9;
  --secondary-foreground: #334155;

  --muted: #f8fafc;
  --muted-foreground: #64748b;

  --border: #e2e8f0;
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-hover: 0 20px 25px -5px rgb(2 132 199 / 0.12), 0 8px 10px -6px rgb(2 132 199 / 0.08);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-arabic: 'Muna', 'Segoe UI', Tahoma, sans-serif;
  --font-heading: var(--font-arabic);
  --article-font: var(--font-arabic);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
  --surface: var(--card);
}

/* Dark Theme - Activated via .dark class on <html> */
html.dark {
  --surface: var(--card);
  --background: #0b0f19;
  --foreground: #f1f5f9;
  --card: #111827;
  --card-foreground: #f1f5f9;
  --card-border: #1f2937;

  --secondary: #172033;
  --secondary-foreground: #94a3b8;

  --muted: #111827;
  --muted-foreground: #94a3b8;

  --border: #1f2937;
  --primary-light: rgba(2, 132, 199, 0.2);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
}

/* RTL Typography & Direction */
html[dir="rtl"] {
  font-family: var(--font-arabic);
}

html[dir="rtl"] body {
  font-family: var(--font-arabic);
}

html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3,
html[dir="rtl"] h4,
html[dir="rtl"] h5,
html[dir="rtl"] h6,
html[dir="rtl"] .hero-title,
html[dir="rtl"] .section-title {
  font-family: var(--font-heading);
}

/* --------------------------------------------------------------------------
   2. Base & Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --------------------------------------------------------------------------
   3. Layout Components
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 7rem 0;
  }
}

.section-alt {
  background-color: var(--secondary);
  transition: background-color 0.3s ease;
}

.section-header {
  text-align: center;
  max-width: 44rem;
  margin: 0 auto 4rem auto;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   4. Navigation Bar & Controls
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

html.dark .navbar {
  background-color: rgba(11, 15, 25, 0.85);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: 1rem;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav-brand:hover {
  opacity: 0.9;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-divider {
  display: inline-block;
  width: 1.5px;
  height: 1.25rem;
  background-color: var(--border);
  margin: 0 0.5rem;
  border-radius: var(--radius-full);
  opacity: 0.8;
}

.nav-link {
  font-weight: 500;
  color: var(--foreground);
  position: relative;
  padding: 0.5rem 0;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

html[dir="rtl"] .nav-link::after {
  left: auto;
  right: 0;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Nav Controls (Language Switcher & Theme Toggle) */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.control-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--card);
  border: 1px solid var(--border);
  color: var(--foreground);
  transition: var(--transition);
  height: 2.2rem;
  white-space: nowrap;
}

.control-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-1px);
}

.control-btn svg {
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
}

/* Language Dropdown */
.lang-dropdown {
  position: relative;
  display: inline-block;
}

.lang-dropdown-btn {
  cursor: pointer;
  gap: 0.45rem;
}

.lang-dropdown-btn .chevron-icon {
  width: 0.85rem;
  height: 0.85rem;
  transition: transform 0.25s ease;
  opacity: 0.7;
}

.lang-dropdown.open .lang-dropdown-btn .chevron-icon {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  min-width: 8.5rem;
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 0.35rem;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

html[dir="rtl"] .lang-dropdown-menu {
  right: 0;
  left: auto;
}

html[dir="ltr"] .lang-dropdown-menu {
  left: 0;
  right: auto;
}

.lang-dropdown.open .lang-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--foreground);
  border-radius: 4px;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  text-align: inherit;
}

.lang-dropdown-item:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

.lang-dropdown-item.active {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
}

.lang-dropdown-item .check-icon {
  width: 0.95rem;
  height: 0.95rem;
  color: var(--primary);
}

/* Theme Toggle Button Specifics */
.theme-toggle-btn {
  width: 2.2rem;
  padding: 0;
}

html.dark .theme-icon-sun {
  display: block;
}

html.dark .theme-icon-moon {
  display: none;
}

html:not(.dark) .theme-icon-sun {
  display: none;
}

html:not(.dark) .theme-icon-moon {
  display: block;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  padding: 0.35rem;
  color: var(--foreground);
  border-radius: var(--radius-sm);
  height: 2.2rem;
  width: 2.2rem;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn:hover {
  background-color: var(--secondary);
}

.mobile-menu-btn svg {
  width: 1.4rem;
  height: 1.4rem;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--card);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 0.5rem 0;
  }
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 5rem 0 6rem 0;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 7rem 0 8rem 0;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 1rem;
}

.hero-badge svg {
  width: 1.25rem;
  height: 1.25rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--foreground);
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--muted-foreground);
  font-weight: 500;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  line-height: 1.75;
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 0.5rem;
}

.hero-socials {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

.hero-illustration {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrapper {
  position: relative;
  max-width: 24rem;
  width: 100%;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  transition: var(--transition);
}

.hero-img:hover {
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   6. Buttons & Badges
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 var(--primary-glow);
}

.btn-outline {
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--foreground);
}

.btn-outline:hover {
  background-color: var(--secondary);
  border-color: var(--muted-foreground);
  transform: translateY(-2px);
}

.btn svg {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

html[dir="rtl"] .btn svg.flip-rtl,
html[dir="rtl"] .btn svg.arrow-icon {
  transform: scaleX(-1);
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: var(--radius-sm);
  background-color: var(--card);
  border: 1px solid var(--border);
  color: var(--foreground);
  transition: var(--transition);
}

.social-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.social-btn svg,
.social-btn img,
.social-btn .social-custom-icon {
  width: 1.25rem;
  height: 1.25rem;
  object-fit: contain;
}

.social-btn .social-custom-text {
  font-size: 1.15rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  color: var(--primary);
  transition: var(--transition);
}

.tag:hover {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

/* --------------------------------------------------------------------------
   7. Skills Section
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background-color: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.skill-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  flex-shrink: 0;
}

.skill-icon-wrapper svg {
  width: 1.35rem;
  height: 1.35rem;
}

.skill-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--foreground);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

/* --------------------------------------------------------------------------
   8. Projects Section
   -------------------------------------------------------------------------- */
.projects-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.project-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  background-color: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

@media (min-width: 768px) {
  .project-item {
    grid-template-columns: 1fr 1fr;
    padding: 1.5rem;
  }

  .project-item:nth-child(even) .project-content {
    order: 2;
  }

  .project-item:nth-child(even) .project-preview {
    order: 1;
  }
}

.project-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.project-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--foreground);
}

.project-desc {
  font-size: 1.05rem;
  color: var(--muted-foreground);
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.project-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.project-header-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.35rem;
}

.project-live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.725rem;
  font-weight: 600;
  color: #10b981;
  background-color: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(16, 185, 129, 0.25);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.project-live-indicator:hover {
  background-color: rgba(16, 185, 129, 0.18);
  border-color: #10b981;
  transform: translateY(-1px);
}

.live-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.8);
  animation: pulse-live 2s infinite;
}

@keyframes pulse-live {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 1; box-shadow: 0 0 8px rgba(16, 185, 129, 1); }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.project-preview-frame {
  display: flex;
  flex-direction: column;
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 16 / 10;
  min-height: 12rem;
  width: 100%;
}

.project-browser-bar {
  height: 1.6rem;
  background-color: var(--secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 0.65rem;
  gap: 0.35rem;
  flex-shrink: 0;
}

.browser-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  display: inline-block;
}

.browser-dot:nth-child(1) { background-color: #ef4444; opacity: 0.85; }
.browser-dot:nth-child(2) { background-color: #f59e0b; opacity: 0.85; }
.browser-dot:nth-child(3) { background-color: #10b981; opacity: 0.85; }

.browser-url-bar {
  margin-inline-start: 0.5rem;
  font-size: 0.65rem;
  color: var(--muted-foreground);
  background-color: var(--card);
  padding: 0.1rem 0.6rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  max-width: 13rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-url-bar.is-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--foreground);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.browser-url-bar.is-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.browser-url-bar .url-icon {
  flex-shrink: 0;
  color: var(--primary);
}

.browser-url-bar .url-external {
  flex-shrink: 0;
  opacity: 0.7;
  margin-inline-start: 0.25rem;
}

.project-preview-screen {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-light), rgba(99, 102, 241, 0.05));
}

.project-preview-screen.has-image {
  background: none;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
  display: block;
}

.project-item:hover .project-img {
  transform: scale(1.04);
}

.project-preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1.5rem;
  text-align: center;
}

.project-preview-icon {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--primary);
  opacity: 0.85;
}

.project-preview-icon svg {
  width: 100%;
  height: 100%;
}

.project-preview-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  background-color: var(--card);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
}

/* --------------------------------------------------------------------------
   9. Contact Section
   -------------------------------------------------------------------------- */
.contact-card {
  max-width: 44rem;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background-color: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.contact-socials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* --------------------------------------------------------------------------
   10. Footer
   -------------------------------------------------------------------------- */
.footer {
  margin-top: auto;
  background-color: var(--card);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  text-align: center;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-text {
  color: var(--muted-foreground);
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-text span {
  display: inline;
}

.footer-text .skeleton {
  display: inline-block;
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   11. Skeleton Loading Styles
   -------------------------------------------------------------------------- */
.skeleton {
  position: relative;
  overflow: hidden;
  background-color: var(--border);
  border-radius: var(--radius-sm);
  display: inline-block;
  min-height: 1rem;
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  animation: shimmer 1.5s infinite;
}

html.dark .skeleton::after {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0) 100%
  );
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

.skeleton-text {
  height: 1.25rem;
  width: 80%;
  margin-bottom: 0.5rem;
}

.skeleton-title {
  height: 2.75rem;
  width: 65%;
  margin-bottom: 1rem;
}

.skeleton-subtitle {
  height: 1.5rem;
  width: 45%;
  margin-bottom: 1rem;
}

.skeleton-btn {
  height: 2.75rem;
  width: 9rem;
  border-radius: var(--radius-sm);
}

.skeleton-card {
  min-height: 18rem;
  background-color: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

/* Scoped Skeleton Layout Rules */
.nav-brand.skeleton {
  width: 5.5rem;
  height: 1.5rem;
  display: inline-block;
}

.nav-link.skeleton {
  width: 4rem;
  height: 1.25rem;
  display: inline-block;
}

#nav-contact.skeleton {
  width: 5.5rem;
}

#lang-btn-text.skeleton {
  width: 3.5rem;
  height: 1rem;
  display: inline-block;
  vertical-align: middle;
}

#hero-badge-text.skeleton {
  width: 12rem;
  height: 1rem;
  display: inline-block;
  vertical-align: middle;
}

#hero-title.skeleton {
  min-height: 3rem;
  width: 70%;
  margin-bottom: 1rem;
}

#hero-subtitle.skeleton {
  min-height: 1.75rem;
  width: 50%;
  margin-bottom: 1rem;
}

#hero-desc.skeleton {
  min-height: 4.5rem;
  width: 100%;
}

#hero-img.skeleton {
  min-height: 18rem;
  min-width: 18rem;
  background-color: var(--border);
}

.section-title.skeleton,
.page-title.skeleton {
  width: 16rem;
  height: 2.75rem;
  margin: 0 auto 1rem auto;
}

.section-desc.skeleton,
.page-subtitle.skeleton {
  width: 80%;
  max-width: 35rem;
  height: 2rem;
  margin: 0 auto;
}

.filter-btn.skeleton {
  width: 6.5rem;
  height: 2.2rem;
  border-radius: 9999px;
}

#footer-author.skeleton {
  width: 8rem;
  height: 1rem;
  display: inline-block;
  vertical-align: middle;
}

#footer-copyright.skeleton {
  width: 9rem;
  height: 1rem;
  display: inline-block;
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   12. Projects CTA & Category Badges
   -------------------------------------------------------------------------- */
.project-category-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  background-color: var(--primary-light);
  color: var(--primary);
  margin-bottom: 0.5rem;
  width: fit-content;
}

.projects-cta {
  text-align: center;
  margin-top: 2.25rem;
}

.projects-cta .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.35rem;
  font-size: 0.95rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   13. Filter Tabs & Subpage Headers
   -------------------------------------------------------------------------- */
.page-header {
  padding: 3rem 0 2rem 0;
  text-align: center;
}

.page-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
  color: var(--foreground);
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--muted-foreground);
  max-width: 42rem;
  margin: 0 auto;
  line-height: 1.6;
}

.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.35rem 0.95rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 9999px;
  background-color: var(--card);
  border: 1px solid var(--border);
  color: var(--muted-foreground);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.filter-btn.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   14. Testimonials Section (Index)
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background-color: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.testimonial-card[dir="rtl"] {
  direction: rtl;
  text-align: right;
  font-family: 'Muna', sans-serif;
}

.testimonial-card[dir="ltr"] {
  direction: ltr;
  text-align: left;
  font-family: 'Inter', sans-serif;
}

.testimonial-quote-icon {
  color: var(--primary);
  opacity: 0.3;
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 0.75rem;
}

.testimonial-quote-icon svg {
  width: 100%;
  height: 100%;
}

.testimonial-card[dir="rtl"] .testimonial-quote-icon {
  margin-left: auto;
  margin-right: 0;
  transform: none;
}

.testimonial-card[dir="ltr"] .testimonial-quote-icon {
  margin-right: auto;
  margin-left: 0;
  transform: scaleX(-1);
}

.testimonial-content {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--foreground);
  margin-bottom: 1.15rem;
  font-style: italic;
  flex-grow: 1;
}

.testimonial-footer {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.testimonial-avatar {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
  overflow: hidden;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--foreground);
  margin-bottom: 0.2rem;
}

.testimonial-role {
  font-size: 0.825rem;
  color: var(--muted-foreground);
  line-height: 1.4;
}

.testimonial-rating {
  display: flex;
  gap: 0.2rem;
  color: #f59e0b;
  margin-top: 0.35rem;
}

.testimonial-rating svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   15. Books Section & Cards (Books Page)
   -------------------------------------------------------------------------- */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.25rem;
}

.book-card {
  background-color: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.book-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.book-cover-area {
  height: 14rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

html:not(.dark) .book-cover-area {
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.book-cover-mockup {
  width: 8.5rem;
  height: 11.5rem;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border-radius: 4px 8px 8px 4px;
  box-shadow: -4px 6px 15px rgba(0, 0, 0, 0.35), inset 5px 0 10px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.9rem;
  position: relative;
  border-left: 4px solid rgba(255, 255, 255, 0.4);
  transition: transform 0.3s ease;
}

.book-card:hover .book-cover-mockup {
  transform: scale(1.04) rotate(-1deg);
}

.book-mockup-title {
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.35;
  color: #ffffff;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-mockup-badge {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: #ffffff;
  letter-spacing: 0.05em;
}

.book-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.book-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.book-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.book-description {
  font-size: 0.9rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.book-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.book-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.book-meta-item svg {
  width: 0.95rem;
  height: 0.95rem;
}

.book-actions {
  display: flex;
  gap: 0.5rem;
}

.book-actions .btn {
  flex: 1;
  padding: 0.45rem 0.8rem;
  font-size: 0.825rem;
  gap: 0.35rem;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   14. Articles & Categories Section
   -------------------------------------------------------------------------- */

.container-narrow {
  max-width: 52rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Category Filter Bar (UX Optimized Chips/Pills) */
.category-filter-wrapper {
  margin-bottom: 2rem;
}

.category-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  background-color: var(--card);
  border: 1px solid var(--border);
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
  text-decoration: none;
}

.category-chip:hover {
  border-color: var(--cat-color, var(--primary));
  color: var(--foreground);
  transform: translateY(-1px);
}

.category-chip.active {
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 12%, var(--card));
  border-color: var(--cat-color, var(--primary));
  color: var(--cat-color, var(--primary));
  font-weight: 700;
  box-shadow: 0 2px 10px color-mix(in srgb, var(--cat-color, var(--primary)) 18%, transparent);
}

.chip-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
}

.chip-icon svg {
  width: 100%;
  height: 100%;
}

.chip-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem 0.45rem;
  font-size: 0.725rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background-color: var(--secondary);
  color: var(--muted-foreground);
  transition: all var(--transition-fast);
}

.category-chip.active .chip-count {
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 20%, transparent);
  color: var(--cat-color, var(--primary));
}

.active-category-info {
  margin-top: 1rem;
  text-align: center;
}

.active-category-desc {
  font-size: 0.925rem;
  color: var(--muted-foreground);
  max-width: 40rem;
  margin: 0 auto;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .category-filter-bar {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0.25rem 0.25rem 0.75rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .category-filter-bar::-webkit-scrollbar {
    display: none;
  }

  .category-chip {
    flex-shrink: 0;
  }
}

/* Articles Grid & Cards */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.5rem;
}

.article-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.article-card-cover {
  aspect-ratio: 16 / 9;
  width: 100%;
  background: linear-gradient(135deg, var(--bg-secondary), var(--card));
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card:hover .article-card-cover img {
  transform: scale(1.05);
}

.article-cover-mockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  color: var(--muted-foreground);
}

.article-cover-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--cat-color, var(--primary));
  opacity: 0.85;
}

.article-cover-icon svg {
  width: 100%;
  height: 100%;
}

.article-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 0.65rem;
}

.article-category-badge {
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background-color: color-mix(in srgb, var(--cat-color, var(--primary)) 12%, transparent);
  color: var(--cat-color, var(--primary));
  border: 1px solid color-mix(in srgb, var(--cat-color, var(--primary)) 30%, transparent);
}

.article-date, .article-readtime {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.article-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--foreground);
  line-height: 1.45;
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.article-card:hover .article-card-title {
  color: var(--primary);
}

.article-card-desc {
  font-size: 0.9rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--primary);
}

.article-read-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.article-read-link svg {
  width: 0.95rem;
  height: 0.95rem;
  transition: transform var(--transition-fast);
}

[dir="rtl"] .article-read-link svg {
  transform: scaleX(-1);
}

.article-card:hover .article-read-link svg {
  transform: translateX(3px);
}

[dir="rtl"] .article-card:hover .article-read-link svg {
  transform: scaleX(-1) translateX(3px);
}

/* --------------------------------------------------------------------------
   15. Article Reader & Markdown Styles
   -------------------------------------------------------------------------- */

/* Reading Progress Bar */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 1000;
  pointer-events: none;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), #8b5cf6);
  transition: width 0.1s ease;
}

.article-reader-container {
  padding-top: 2rem;
  padding-bottom: 4rem;
}

/* Breadcrumbs */
.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted-foreground);
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.article-breadcrumbs a {
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumb-sep {
  opacity: 0.5;
}

.breadcrumb-item.active {
  color: var(--foreground);
  font-weight: 600;
}

/* Article Header */
.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.article-header-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

/* --------------------------------------------------------------------------
   Reader Font Selector (article.html)
   -------------------------------------------------------------------------- */
.reader-font-dropdown-container {
  position: relative;
  display: inline-flex;
  margin-inline-start: auto;
}

.reader-font-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--foreground);
  background-color: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  user-select: none;
}

.reader-font-btn:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.reader-font-icon {
  width: 1rem;
  height: 1rem;
  color: var(--primary);
  flex-shrink: 0;
}

.reader-font-btn .chevron-icon {
  width: 0.85rem;
  height: 0.85rem;
  transition: transform var(--transition-fast);
  color: var(--muted-foreground);
}

.reader-font-dropdown-container.open .reader-font-btn .chevron-icon {
  transform: rotate(180deg);
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reader-font-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  inset-inline-end: 0;
  width: 250px;
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  z-index: 100;
  max-height: 380px;
  overflow-y: auto;
}

.reader-font-menu.open {
  display: block;
  animation: dropdownFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reader Font Size Control Bar */
.reader-size-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.6rem;
  margin-bottom: 0.35rem;
  background-color: var(--secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.reader-size-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--foreground);
}

.reader-size-controls {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.reader-size-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.reader-size-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.reader-size-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.reader-size-val {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 2.75rem;
  text-align: center;
}

.font-menu-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
  padding: 0.45rem 0.65rem 0.25rem 0.65rem;
}

.font-menu-divider {
  height: 1px;
  background-color: var(--border);
  margin: 0.35rem 0;
}

.reader-font-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--foreground);
  cursor: pointer;
  font-size: 0.95rem;
  text-align: start;
  transition: var(--transition);
}

.reader-font-option:hover,
.reader-font-option:focus {
  background-color: var(--secondary);
  color: var(--primary);
}

.reader-font-option.active {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
}

.reader-font-check {
  display: none;
  width: 1rem;
  height: 1rem;
  color: var(--primary);
  flex-shrink: 0;
}

.reader-font-option.active .reader-font-check {
  display: block;
}

.article-main-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--foreground);
  margin-bottom: 0.85rem;
}

.article-main-desc {
  font-size: 1.15rem;
  color: var(--muted-foreground);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

/* Markdown Body Typography */
.markdown-body {
  font-family: var(--article-font, var(--font-arabic)) !important;
  font-size: calc(1.05rem * var(--article-font-scale, 1));
  line-height: 1.85;
  color: var(--foreground);
}

.markdown-body p,
.markdown-body li,
.markdown-body blockquote,
.markdown-body td,
.markdown-body th {
  font-family: inherit;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
html[dir="rtl"] .markdown-body h1,
html[dir="rtl"] .markdown-body h2,
html[dir="rtl"] .markdown-body h3,
html[dir="rtl"] .markdown-body h4,
html[dir="rtl"] .markdown-body h5,
html[dir="rtl"] .markdown-body h6 {
  font-family: var(--article-font, var(--font-heading));
  font-weight: 700;
  color: var(--foreground);
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.markdown-body h1 {
  font-size: 1.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.markdown-body h2 {
  font-size: 1.45rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.markdown-body h3 {
  font-size: 1.2rem;
}

.markdown-body p {
  margin-bottom: 1.35rem;
}

.markdown-body blockquote {
  border-inline-start: 4px solid var(--primary);
  background-color: var(--secondary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  color: var(--foreground);
  font-style: italic;
}

.markdown-body blockquote p:last-child {
  margin-bottom: 0;
}

.markdown-body ul,
.markdown-body ol {
  padding-inline-start: 1.75rem;
  margin-bottom: 1.35rem;
}

.markdown-body li {
  margin-bottom: 0.45rem;
}

.markdown-body code {
  font-family: 'JetBrains Mono', Consolas, Monaco, monospace !important;
  font-size: 0.875em;
  background-color: var(--secondary);
  color: var(--primary);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  direction: ltr !important;
  unicode-bidi: isolate;
}

.markdown-body pre {
  background-color: #0f172a;
  color: #e2e8f0;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  position: relative;
  direction: ltr !important;
  text-align: left !important;
}

html:not(.dark) .markdown-body pre {
  background-color: #f8fafc;
  color: #1e293b;
  border-color: #e2e8f0;
}

.markdown-body pre code {
  background: transparent !important;
  border: none !important;
  color: inherit;
  padding: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  direction: ltr !important;
  font-family: 'JetBrains Mono', Consolas, Monaco, monospace !important;
}

/* Copy Code Button */
.code-block-wrapper {
  position: relative;
  margin: 1.5rem 0;
}

.code-block-wrapper pre {
  margin: 0;
}

.copy-code-btn {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #e2e8f0;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.725rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  backdrop-filter: blur(4px);
  z-index: 5;
}

.copy-code-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

html:not(.dark) .copy-code-btn {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #475569;
}

html:not(.dark) .copy-code-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #0f172a;
}

/* Responsive Tables for Markdown (Prevents Mobile Overflow) */
.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.75rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--card);
}

.table-responsive table,
.markdown-body table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  margin: 0 !important;
  font-size: 0.9rem;
}

.markdown-body th,
.markdown-body td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  text-align: start;
}

.markdown-body th {
  background-color: var(--secondary);
  font-weight: 700;
  color: var(--foreground);
}

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.25rem 0;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1.5rem auto;
  display: block;
  box-shadow: var(--shadow-sm);
}

/* Article Footer */
.article-footer {
  margin-top: 3.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.article-share-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

[dir="rtl"] .back-arrow-icon {
  transform: scaleX(-1);
}

/* --------------------------------------------------------------------------
   15. Mobile Bottom Navigation Bar (BottomNavBar)
   -------------------------------------------------------------------------- */
.bottom-nav-bar {
  display: none;
}

@media (max-width: 768px) {
  .bottom-nav-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(3.75rem + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background-color: var(--card);
    background: color-mix(in srgb, var(--card) 92%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    z-index: 990;
    align-items: center;
    justify-content: space-around;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
  }

  /* Add padding to body so the bottom nav bar never covers footer or content */
  body {
    padding-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px)) !important;
  }

  .bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    height: 100%;
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    gap: 0.25rem;
    transition: all var(--transition-fast);
    position: relative;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }

  .bottom-nav-icon {
    width: 1.35rem;
    height: 1.35rem;
    transition: transform var(--transition-fast), stroke var(--transition-fast);
  }

  .bottom-nav-item:hover,
  .bottom-nav-item:focus {
    color: var(--foreground);
  }

  .bottom-nav-item.active {
    color: var(--primary);
    font-weight: 700;
  }

  .bottom-nav-item.active .bottom-nav-icon {
    transform: translateY(-2px);
    stroke: var(--primary);
  }

  .bottom-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    width: 28px;
    height: 3px;
    border-radius: var(--radius-full);
    background: var(--primary);
  }

  /* Requirement: Hide the buttons placed in bottomnav from the mobile header menu */
  .nav-group {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    width: 100%;
  }

  .nav-group-pages,
  .nav-divider,
  .nav-links #nav-home,
  .nav-links #nav-articles,
  .nav-links #nav-books {
    display: none !important;
  }
}