/* Base Variables */
:root {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #475569;
  --card: #f8fafc;
  --border: #e2e8f0;
  --accent: #3b82f6;
  --error: #ef4444;
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing: 1rem;
  --spacing-md: 1.25rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 6px 18px rgb(0 0 0 / 0.06);
  --transition: 0.2s ease-in-out;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0d1f;
    --fg: #e8e6f0;
    --muted: #a39bb8;
    --card: #1a1730;
    --border: #2d2549;
    --accent: #3e318d;
    --accent-light: #5746b0;
    --accent-dark: #2d2468;
  }
}

/* Theme Control */
html[data-theme="light"] {
  color-scheme: light;
}

html[data-theme="light"] {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #475569;
  --card: #f8fafc;
  --border: #e2e8f0;
  --accent: #3b82f6;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f0d1f;
  --fg: #e8e6f0;
  --muted: #a39bb8;
  --card: #1a1730;
  --border: #2d2549;
  --accent: #3e318d;
  --accent-light: #5746b0;
  --accent-dark: #2d2468;
}

html[data-theme="system"] {
  color-scheme: light dark;
}

/* Base Styles */
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, "Apple Color Emoji","Segoe UI Emoji";
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
  font-display: swap;
}

/* Layout */
.container {
  width: min(100% - 2rem, 960px);
  margin-inline: auto;
  padding: var(--spacing) 0;
}

/* Header */
header.container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing);
  padding-bottom: var(--spacing);
  flex-wrap: wrap;
  gap: var(--spacing);
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--fg);
}

.actions {
  display: flex;
  gap: var(--spacing);
  flex-wrap: wrap;
  align-items: center;
}

.search-controls {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.setting-controls {
  display: flex;
  gap: var(--spacing);
  align-items: center;
}

.button-group {
  display: flex;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background-color: var(--card);
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.button-group:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  transform: translateY(-1px);
}

.icon-btn {
  background: transparent;
  border: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--muted);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  position: relative;
  overflow: hidden;
}

.icon-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.icon-btn:last-child {
  border-right: none;
}

.icon-btn:hover {
  color: white;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

.icon-btn:hover::before {
  opacity: 1;
}

.icon-btn:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  z-index: 2;
}

.icon-btn.active {
  color: white;
  font-weight: 600;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.4);
}

.icon-btn.active::before {
  opacity: 1;
}

.actions select,
.actions input {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--fg);
  cursor: pointer;
  font-size: 0.9rem;
}

.actions input {
  min-width: 150px;
}

.actions input:focus,
.actions select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  header.container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
  }
  
  .actions {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
  
  .search-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .search-controls input,
  .search-controls select {
    width: 100%;
    min-width: 0;
  }
  
  .setting-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
  }
  
  .button-group {
    flex-shrink: 0;
  }
  
  .icon-btn {
    min-width: 36px;
    height: 36px;
    font-size: 1rem;
    padding: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  .search-controls {
    gap: var(--spacing-xs);
  }
  
  .setting-controls {
    justify-content: space-around;
  }
  
  .button-group {
    min-width: 0;
  }
  
  .icon-btn {
    min-width: 32px;
    height: 32px;
    font-size: 0.9rem;
    padding: var(--spacing-xs);
  }
}

/* Card & Components */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow);
  margin-bottom: var(--spacing-md);
  transition: background-color var(--transition), border-color var(--transition);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing);
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--fg);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition);
}

.btn:hover {
  border-color: var(--accent);
  background-color: var(--accent);
  color: white;
}

.btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing);
}

.grid-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .grid-2 {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* App Details */
.app-header {
  margin-bottom: var(--spacing-md);
}

.app-title {
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: 1.75rem;
}

.app-developer {
  margin-top: 0;
  margin-bottom: var(--spacing);
  color: var(--muted);
}

.app-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin-bottom: var(--spacing);
}

.app-stores {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing);
}

/* RTL spacing for icons inside store buttons */
html[dir="rtl"] .app-stores .btn img[aria-hidden="true"] {
  margin-right: 0 !important;
  margin-left: 8px !important;
}

.app-details {
  margin-bottom: var(--spacing);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border);
}

.detail-label {
  color: var(--muted);
}

.app-links {
  margin-top: var(--spacing-md);
}

.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.rating-stars {
  color: gold;
}

/* 404 Block */
.error-block {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.error-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing);
  color: var(--error);
}

/* Utility Classes */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  border: 0;
  padding: 0;
  white-space: nowrap;
  clip-path: inset(50%);
  clip: rect(0 0 0 0);
  overflow: hidden;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--accent);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 6px;
}

.mb-1 {
  margin-bottom: var(--spacing);
}

.text-center {
  text-align: center;
}

/* RTL Support */
html[dir="rtl"] .app-stores,
html[dir="rtl"] .app-links {
  flex-direction: row-reverse;
}

html[dir="rtl"] .detail-item {
  flex-direction: row-reverse;
}

/* Category Badge */
.category-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 8px;
  border-radius: 12px;
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
  text-transform: capitalize;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  z-index: 2;
}

/* RTL support for category badge */
html[dir="rtl"] .category-badge {
  right: auto;
  left: 8px;
}

/* Category Overview */
.category-overview {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--border);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing);
}

.category-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--spacing-sm);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.category-card h3 {
  margin: 0 0 var(--spacing-xs) 0;
  font-size: 0.95rem;
  color: var(--fg);
  font-weight: 600;
}

.category-card .app-count {
  color: var(--muted);
  font-size: 0.8rem;
}

/* Category-specific styling */
.category-card[data-category="Education"] {
  border-left: 4px solid #3b82f6;
}

.category-card[data-category="Books"] {
  border-left: 4px solid #10b981;
}

.category-card[data-category="Games"] {
  border-left: 4px solid #f59e0b;
}

.category-card[data-category="Productivity"] {
  border-left: 4px solid #8b5cf6;
}

.category-card[data-category="Health"] {
  border-left: 4px solid #ef4444;
}

.category-card[data-category="Classic"] {
  border-left: 4px solid #dc2626;
}

.category-card[data-category="Literature"] {
  border-left: 4px solid #7c3aed;
}

.category-card[data-category="Adventure"] {
  border-left: 4px solid #ea580c;
}

.category-card[data-category="Arabic"] {
  border-left: 4px solid #059669;
}

.category-card[data-category="Kids"] {
  border-left: 4px solid #ec4899;
}

.category-card[data-category="AR/VR"] {
  border-left: 4px solid #06b6d4;
}

.category-card[data-category="Interactive"] {
  border-left: 4px solid #84cc16;
}

.category-card[data-category="Educational"] {
  border-left: 4px solid #2563eb;
}

.category-card[data-category="Mystery"] {
  border-left: 4px solid #7c2d12;
}

.category-card[data-category="Islamic"] {
  border-left: 4px solid #16a34a;
}

.category-card[data-category="Reading"] {
  border-left: 4px solid #9333ea;
}

.category-card[data-category="Language Learning"] {
  border-left: 4px solid #0891b2;
}

.category-card[data-category="French"] {
  border-left: 4px solid #be185d;
}

.category-card[data-category="Strategy"] {
  border-left: 4px solid #b91c1c;
}

.category-card[data-category="Philosophy"] {
  border-left: 4px solid #6b21a8;
}

.category-card[data-category="Fables"] {
  border-left: 4px solid #ca8a04;
}

/* RTL support for category cards */
html[dir="rtl"] .category-card[data-category] {
  border-left: 1px solid var(--border);
  border-right: 4px solid;
}

html[dir="rtl"] .category-card[data-category="Education"] {
  border-right-color: #3b82f6;
}

html[dir="rtl"] .category-card[data-category="Books"] {
  border-right-color: #10b981;
}

html[dir="rtl"] .category-card[data-category="Games"] {
  border-right-color: #f59e0b;
}

html[dir="rtl"] .category-card[data-category="Productivity"] {
  border-right-color: #8b5cf6;
}

html[dir="rtl"] .category-card[data-category="Health"] {
  border-right-color: #ef4444;
}

html[dir="rtl"] .category-card[data-category="Classic"] {
  border-right-color: #dc2626;
}

html[dir="rtl"] .category-card[data-category="Literature"] {
  border-right-color: #7c3aed;
}

html[dir="rtl"] .category-card[data-category="Adventure"] {
  border-right-color: #ea580c;
}

html[dir="rtl"] .category-card[data-category="Arabic"] {
  border-right-color: #059669;
}

html[dir="rtl"] .category-card[data-category="Kids"] {
  border-right-color: #ec4899;
}

html[dir="rtl"] .category-card[data-category="AR/VR"] {
  border-right-color: #06b6d4;
}

html[dir="rtl"] .category-card[data-category="Interactive"] {
  border-right-color: #84cc16;
}

html[dir="rtl"] .category-card[data-category="Educational"] {
  border-right-color: #2563eb;
}

html[dir="rtl"] .category-card[data-category="Mystery"] {
  border-right-color: #7c2d12;
}

html[dir="rtl"] .category-card[data-category="Islamic"] {
  border-right-color: #16a34a;
}

html[dir="rtl"] .category-card[data-category="Reading"] {
  border-right-color: #9333ea;
}

html[dir="rtl"] .category-card[data-category="Language Learning"] {
  border-right-color: #0891b2;
}

html[dir="rtl"] .category-card[data-category="French"] {
  border-right-color: #be185d;
}

html[dir="rtl"] .category-card[data-category="Strategy"] {
  border-right-color: #b91c1c;
}

html[dir="rtl"] .category-card[data-category="Philosophy"] {
  border-right-color: #6b21a8;
}

html[dir="rtl"] .category-card[data-category="Fables"] {
  border-right-color: #ca8a04;
}

/* Show More Categories Button */
.show-more-categories {
  display: block;
  margin: var(--spacing) auto 0;
  padding: var(--spacing-xs) var(--spacing);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  min-width: 120px;
}

.show-more-categories:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

.show-more-categories:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.category-more-items {
  display: contents;
}

/* App Gallery */
.app-gallery {
  margin-top: var(--spacing-lg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing);
  margin-top: var(--spacing);
}

@media (max-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .app-card-image {
    height: 160px;
  }
}

.app-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  text-decoration: none;
  color: var(--fg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(62, 49, 141, 0.2);
  border-color: var(--accent);
}

.app-card:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.app-card-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}

.app-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.app-card:hover .app-card-image img {
  transform: scale(1.05);
}

.app-card-content {
  padding: var(--spacing);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.app-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.3;
}

.app-card-developer {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 var(--spacing-xs) 0;
}

.app-card-description {
  font-size: 0.9rem;
  margin: 0 0 var(--spacing-sm) 0;
  line-height: 1.4;
  flex: 1;
}

.app-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: auto;
}

.app-card-rating {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.app-card-category {
  background: var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

/* App Description Styling */
.app-description h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--fg);
  font-size: 1.1rem;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
  padding-bottom: var(--spacing-xs);
}

.app-description h3:first-child {
  margin-top: 0;
}

.app-description ul {
  margin: var(--spacing-sm) 0;
  padding-left: 0;
  padding-right: 0;
  list-style: none;
}

.app-description li {
  margin: var(--spacing-xs) 0;
  padding-left: var(--spacing);
  padding-right: 0;
  position: relative;
}

.app-description li:before {
  content: "•";
  color: var(--accent);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* RTL Support for Arabic */
html[dir="rtl"] .app-description ul {
  padding-left: 0;
  padding-right: 0;
}

html[dir="rtl"] .app-description li {
  padding-left: 0;
  padding-right: var(--spacing);
}

html[dir="rtl"] .app-description li:before {
  left: auto;
  right: 0;
}

.app-description strong {
  color: var(--fg);
  font-weight: 600;
}

.app-description br {
  line-height: 1.6;
}

/* Footer */
footer.container {
  text-align: center;
  color: var(--muted);
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

/* Featured Section */
.featured-section {
  position: relative;
  border-radius: 20px;
  padding: calc(var(--spacing-xl) - 0.25rem) var(--spacing);
  margin: var(--spacing-lg) 0;
  background: radial-gradient(1200px 400px at 10% -20%, rgba(94, 91, 200, 0.25), transparent 60%),
              radial-gradient(1000px 350px at 90% -30%, rgba(233, 196, 106, 0.18), transparent 60%),
              linear-gradient(180deg, rgba(62,49,141,0.12), rgba(62,49,141,0.06));
  border: 1px solid rgba(62,49,141,0.25);
  box-shadow: 0 20px 40px rgba(62,49,141,0.20);
  overflow: hidden;
}

.featured-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing);
  margin-bottom: var(--spacing);
}

.featured-header h2 {
  margin: 0;
  font-size: 1.4rem;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing);
}

@media (min-width: 720px) {
  .featured-grid { grid-template-columns: repeat(3, 1fr); }
}

.featured-card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--fg);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.18), inset 0 0 0 1px rgba(62,49,141,0.25);
  transition: transform var(--transition), box-shadow var(--transition);
}

.featured-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(62,49,141,0.30), 0 0 0 1px rgba(62,49,141,0.35);
}

.featured-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: linear-gradient(135deg, #f59e0b, #facc15);
  color: #1a1200;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: 999px;
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.35);
  z-index: 2;
}

html[dir="rtl"] .featured-badge { left: auto; right: 10px; }

.featured-card-image { height: 180px; }
.featured-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.02);
  transition: transform .35s ease;
}
.featured-card:hover .featured-card-image img { transform: scale(1.06); }

.featured-card-content {
  padding: var(--spacing);
  display: flex; flex-direction: column; gap: 8px;
}
.featured-card-title { font-weight: 800; font-size: 1.15rem; line-height: 1.2; }
.featured-card-desc { font-size: .95rem; color: var(--muted); min-height: 2.5em; }
.featured-card-meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.featured-rating { color: gold; }
.featured-category { background: rgba(62,49,141,0.15); border: 1px solid rgba(62,49,141,0.35); padding: 4px 8px; border-radius: 999px; font-size: .75rem; }

/* Subtle premium highlight for featured items in standard grid */
.app-card.featured {
  border-color: rgba(245, 158, 11, 0.45);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.18);
}

/* App Screenshots Section */
.screenshots-section {
  margin-top: var(--spacing-lg);
}

.screenshots-section h3 {
  margin-bottom: var(--spacing);
  color: var(--fg);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Modern Screenshots Slider */
.screenshots-slider {
  position: relative;
  width: 100%;
  max-width: 100%;
}

.slider-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border);
}

.slider-track {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.slider-slide {
  flex: 0 0 100%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.slider-slide.active {
  opacity: 1;
}

.app-screenshot {
  width: 100%;
  height: auto;
  display: block;
  max-height: 600px;
  object-fit: contain;
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

/* Navigation Buttons */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.95);
  color: var(--fg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(8px);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 3;
  opacity: 0.8;
}

.slider-btn:hover {
  opacity: 1;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
  background: var(--accent);
  color: white;
}

.slider-btn:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.slider-prev {
  left: 16px;
}

.slider-next {
  right: 16px;
}

/* Dark mode button styling */
html[data-theme="dark"] .slider-btn {
  background: rgba(26, 23, 48, 0.95);
  color: var(--fg);
}

html[data-theme="dark"] .slider-btn:hover {
  background: var(--accent);
  color: white;
}

/* Dots Navigation */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--spacing);
  padding: var(--spacing-sm) 0;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.slider-dot::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  border-radius: 50%;
  transform: scale(0);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slider-dot:hover {
  transform: scale(1.2);
}

.slider-dot.active {
  background: var(--accent);
}

.slider-dot.active::before {
  transform: scale(1);
}

.slider-dot:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Loading, Error, and Empty States */
.screenshots-loading,
.screenshots-error,
.screenshots-empty {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  position: relative;
  overflow: hidden;
}

.screenshots-loading::before {
  content: '📱';
  font-size: 2rem;
  display: block;
  margin-bottom: var(--spacing-sm);
  animation: pulse 2s infinite;
}

.screenshots-error {
  color: var(--error);
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.05);
}

.screenshots-error::before {
  content: '⚠️';
  font-size: 2rem;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.screenshots-empty::before {
  content: '🖼️';
  font-size: 2rem;
  display: block;
  margin-bottom: var(--spacing-sm);
  opacity: 0.6;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Responsive Design */
@media (max-width: 768px) {
  .slider-btn {
    width: 40px;
    height: 40px;
  }
  
  .slider-prev {
    left: 12px;
  }
  
  .slider-next {
    right: 12px;
  }
  
  .app-screenshot {
    max-height: 500px;
  }
}

@media (max-width: 480px) {
  .slider-btn {
    width: 36px;
    height: 36px;
  }
  
  .slider-prev {
    left: 8px;
  }
  
  .slider-next {
    right: 8px;
  }
  
  .app-screenshot {
    max-height: 400px;
  }
  
  .slider-dots {
    gap: 6px;
  }
  
  .slider-dot {
    width: 10px;
    height: 10px;
  }
}