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

/* ==========================================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */
:root {
  /* Colors - Light Theme (Midnight Blue & Gold) */
  --color-primary: #0A192F;
  --color-primary-light: #172A45;
  --color-secondary: #D4AF37; /* Elegant Gold */
  --color-secondary-light: #FFDF00;
  --color-accent: #E63946; /* Error/Breaking News Red */
  
  --color-bg: #F8F9FA;
  --color-bg-alt: #FFFFFF;
  --color-bg-header: rgba(255, 255, 255, 0.85);
  
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-border: #E0E0E0;

  /* Category Badge Colors */
  --color-cat-politics: #1D3557;
  --color-cat-economy: #2A9D8F;
  --color-cat-society: #F4A261;
  --color-cat-sports: #E76F51;
  --color-cat-tech: #457B9D;
  --color-cat-foreign: #6D6875;

  /* Typography Scale */
  --font-primary: 'Cairo', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  
  --font-size-xs: clamp(0.75rem, 1vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 1.2vw, 1rem);
  --font-size-base: clamp(1rem, 1.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 2vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 2.5vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 3vw, 2rem);
  --font-size-3xl: clamp(2rem, 4vw, 2.5rem);
  --font-size-4xl: clamp(2.5rem, 5vw, 3.5rem);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Border Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-index */
  --z-negative: -1;
  --z-elevate: 10;
  --z-sticky: 100;
  --z-drawer: 200;
  --z-modal: 300;
  --z-toast: 400;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0A192F;
    --color-bg-alt: #112240;
    --color-bg-header: rgba(10, 25, 47, 0.85);
    
    --color-text: #E6F1FF;
    --color-text-muted: #8892B0;
    --color-border: #233554;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
  }
}

/* Optional manual dark mode override class */
body.dark-mode {
  --color-bg: #0A192F;
  --color-bg-alt: #112240;
  --color-bg-header: rgba(10, 25, 47, 0.85);
  --color-text: #E6F1FF;
  --color-text-muted: #8892B0;
  --color-border: #233554;
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
}
body.light-mode {
  --color-bg: #F8F9FA;
  --color-bg-alt: #FFFFFF;
  --color-bg-header: rgba(255, 255, 255, 0.85);
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-border: #E0E0E0;
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
}

/* @property for gradient animation */
@property --gradient-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

/* ==========================================================================
   2. RESET & GLOBAL STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-optical-sizing: auto;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  direction: rtl;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}

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

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.3;
  font-weight: 700;
  margin-block-end: var(--space-4);
  color: var(--color-primary);
}
body.dark-mode h1, body.dark-mode h2, body.dark-mode h3, 
body.dark-mode h4, body.dark-mode h5, body.dark-mode h6 {
  color: var(--color-secondary);
}

/* Adjust headings for dark scheme naturally */
@media (prefers-color-scheme: dark) {
  h1, h2, h3, h4, h5, h6 {
    color: var(--color-text);
  }
}

:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  z-index: 1000;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
  container-type: inline-size;
}

/* ==========================================================================
   3. ANIMATIONS
   ========================================================================== */
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes heartbeat-line {
  0% { stroke-dashoffset: 100; }
  100% { stroke-dashoffset: 0; }
}

@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   4. COMPONENTS
   ========================================================================== */

/* News Ticker */
.news-ticker-wrapper {
  background-color: var(--color-primary);
  color: #fff;
  padding-block: var(--space-2);
  display: flex;
  align-items: center;
  position: relative;
  z-index: var(--z-sticky);
}
.ticker-label {
  background-color: var(--color-accent);
  padding: var(--space-1) var(--space-4);
  font-weight: 700;
  white-space: nowrap;
  animation: pulse 2s infinite;
  margin-inline-end: var(--space-4);
  position: relative;
  z-index: 2;
}
.ticker-content {
  overflow: hidden;
  white-space: nowrap;
  flex-grow: 1;
}
.ticker-content ul {
  display: inline-flex;
  gap: var(--space-8);
  animation: marquee 30s linear infinite;
}
.ticker-content:hover ul {
  animation-play-state: paused;
}

/* Header & Glassmorphism */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: padding var(--transition-normal);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-4);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.logo-icon {
  width: 40px;
  height: 40px;
  fill: none;
  stroke: var(--color-secondary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  /* heartbeat path css animation */
}
.logo-icon path {
  stroke-dasharray: 100;
  animation: heartbeat-line 2s infinite linear;
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
body.dark-mode .logo-title {
  color: var(--color-text);
}
.logo-subtitle {
  font-family: var(--font-secondary);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-secondary);
}

/* Navigation */
.nav-links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}
.nav-links a {
  font-weight: 600;
  font-size: var(--font-size-base);
  position: relative;
  padding-block: var(--space-2);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-normal);
}
.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}
.theme-toggle, .search-btn, .mobile-menu-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  font-size: var(--font-size-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}
.theme-toggle:hover, .search-btn:hover {
  background-color: rgba(0,0,0,0.05);
}
body.dark-mode .theme-toggle:hover, body.dark-mode .search-btn:hover {
  background-color: rgba(255,255,255,0.1);
}
.mobile-menu-btn {
  display: none;
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple hide for desktop-only demo, handled by JS later if needed */
    position: absolute;
    top: 100%;
    right: 0;
    width: 100%;
    background: var(--color-bg-alt);
    flex-direction: column;
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
  }
  .nav-links.expanded {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  padding-block-end: var(--space-12);
  margin-block-end: var(--space-8);
  /* Gradient Mesh Background */
  background: radial-gradient(circle at 20% 30%, rgba(10, 25, 47, 0.8) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.4) 0%, transparent 50%),
              var(--color-primary);
  color: white;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.category-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-secondary);
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  margin-block-end: var(--space-3);
  box-shadow: var(--shadow-sm);
}
.category-badge.politics { background-color: var(--color-cat-politics); color: #fff;}
.category-badge.economy { background-color: var(--color-cat-economy); color: #fff;}
.category-badge.society { background-color: var(--color-cat-society); color: #000;}
.category-badge.sports { background-color: var(--color-cat-sports); color: #fff;}
.category-badge.tech { background-color: var(--color-cat-tech); color: #fff;}
.category-badge.foreign { background-color: var(--color-cat-foreign); color: #fff;}

.hero-title {
  color: #fff;
  font-size: var(--font-size-4xl);
  margin-block-end: var(--space-4);
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}
.hero-excerpt {
  font-size: var(--font-size-lg);
  margin-block-end: var(--space-6);
  opacity: 0.9;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-secondary);
  color: var(--color-primary);
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}
.btn:hover {
  transform: translateY(-2px);
  background-color: var(--color-secondary-light);
  box-shadow: var(--shadow-md);
}

/* News Grid & Cards */
.section-title {
  font-size: var(--font-size-3xl);
  position: relative;
  padding-inline-start: var(--space-4);
  margin-block-end: var(--space-6);
}
.section-title::before {
  content: '';
  position: absolute;
  right: 0;
  top: 10%;
  bottom: 10%;
  width: 6px;
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

.news-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  margin-block-end: var(--space-12);
}

.news-card {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--color-border);
}
.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.card-img-wrapper {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  position: relative;
  overflow: hidden;
}
.card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.2);
  font-size: var(--font-size-3xl);
}
.card-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
}
.card-content {
  padding: var(--space-4);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.card-title {
  font-size: var(--font-size-lg);
  margin-block-end: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-excerpt {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-block-end: var(--space-4);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding-block-start: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* Horizontal Scroll Group (for tech news) */
.horizontal-scroll {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  padding-block-end: var(--space-4);
  scrollbar-width: thin;
  scrollbar-color: var(--color-secondary) var(--color-bg-alt);
}
.horizontal-scroll .news-card {
  min-width: 300px;
  flex-shrink: 0;
}

/* Page Layouts */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-8);
  margin-block-end: var(--space-12);
}
@media (max-width: 992px) {
  .page-layout {
    grid-template-columns: 1fr;
  }
}

/* Sidebar */
.sidebar-widget {
  background-color: var(--color-bg-alt);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  margin-block-end: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.list-numbered {
  counter-reset: widget-counter;
}
.list-numbered li {
  position: relative;
  padding-inline-start: var(--space-8);
  margin-block-end: var(--space-4);
  border-bottom: 1px dashed var(--color-border);
  padding-block-end: var(--space-2);
}
.list-numbered li:last-child {
  border-bottom: none;
}
.list-numbered li::before {
  counter-increment: widget-counter;
  content: counter(widget-counter);
  position: absolute;
  right: 0;
  top: 0;
  width: 24px;
  height: 24px;
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-xs);
}

/* Reading Layout - Article Page */
.article-header {
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
  padding-block: var(--space-8);
}
.article-meta-large {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  color: var(--color-text-muted);
  margin-block-start: var(--space-4);
  font-size: var(--font-size-sm);
}
.article-content {
  max-width: 780px;
  margin-inline: auto;
  font-size: var(--font-size-lg);
  line-height: 1.8;
  padding-block-end: var(--space-12);
}
.article-content p {
  margin-block-end: var(--space-6);
}
.article-content h2 {
  margin-block-start: var(--space-8);
}
.pull-quote {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  border-inline-start: 4px solid var(--color-secondary);
  padding-inline-start: var(--space-6);
  margin-block: var(--space-8);
  font-style: italic;
  position: relative;
}
body.dark-mode .pull-quote {
  color: var(--color-secondary);
}
.pull-quote::before {
  content: '"';
  font-size: 4rem;
  color: rgba(212, 175, 55, 0.2);
  position: absolute;
  top: -20px;
  right: 0;
  font-family: serif;
}

/* Reading Progress Bar */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  z-index: 10000;
  transition: width 0.1s;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-block: var(--space-4);
}
.breadcrumb a {
  color: var(--color-primary);
  font-weight: 600;
}
body.dark-mode .breadcrumb a {
  color: var(--color-secondary);
}

/* Social Share */
.social-share {
  display: flex;
  gap: var(--space-3);
  margin-block: var(--space-8);
  justify-content: center;
}
.share-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: transform var(--transition-fast);
}
.share-btn:hover {
  transform: translateY(-3px);
}
.share-x { background-color: #000000; }
.share-fb { background-color: #1877F2; }
.share-wa { background-color: #25D366; }
.share-link { background-color: var(--color-primary-light); }

/* Editors Page */
.editors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-block-end: var(--space-12);
}
.editor-card {
  text-align: center;
  background: var(--color-bg-alt);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal);
}
.editor-card:hover {
  transform: translateY(-10px);
}
.avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  margin-inline: auto;
  margin-block-end: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: var(--shadow-md);
}
.editor-title {
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-block-end: var(--space-3);
}

/* Contact Page Form */
.contact-form {
  background: var(--color-bg-alt);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.form-group {
  margin-block-end: var(--space-4);
}
.form-label {
  display: block;
  font-weight: 600;
  margin-block-end: var(--space-2);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-textarea {
  min-height: 150px;
  resize: vertical;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}
.map-placeholder {
  width: 100%;
  height: 300px;
  background: repeating-linear-gradient(45deg, var(--color-bg), var(--color-bg) 10px, var(--color-border) 10px, var(--color-border) 11px);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  margin-block-start: var(--space-8);
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-block-end: var(--space-8);
}
.filter-btn {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  color: var(--color-text);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Footer Section */
.footer {
  background-color: var(--color-primary);
  color: #fff;
  padding-block: var(--space-12) var(--space-4);
  margin-block-start: var(--space-12);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-block-end: var(--space-8);
}
.footer h4 {
  color: var(--color-secondary);
  margin-block-end: var(--space-4);
}
.footer ul li {
  margin-block-end: var(--space-2);
}
.footer a:hover {
  color: var(--color-secondary);
}
.footer-bottom {
  text-align: center;
  padding-block-start: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-sticky);
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  transform: translateY(-5px);
  background-color: var(--color-primary);
  color: white;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg) 25%, var(--color-border) 50%, var(--color-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
.skeleton-text {
  height: 1em;
  margin-block-end: 0.5em;
  width: 100%;
}
.skeleton-img {
  width: 100%;
  height: 100%;
}

/* Page Hero General */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  padding-block: var(--space-12);
  text-align: center;
  margin-block-end: var(--space-8);
}
.page-hero h1 {
  color: white;
}