/* ===== CSS Variables ===== */
:root {
  /* Design Palette Colors */
  --brilliant-silver: #C0C0C0;
  --moonlit-cream: #FBF3E6;
  --satin-charcoal: #333333;
  --amethyst-mist: #926EAE;
  
  /* Primary Colors (Amethyst Mist based) */
  --primary-color: #926EAE;
  --primary-dark: #7A5A8F;
  --primary-light: #A882C7;
  --secondary-color: var(--brilliant-silver);
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  /* Gradients (Design Palette based) */
  --gradient-primary: linear-gradient(135deg, var(--amethyst-mist) 0%, var(--satin-charcoal) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--brilliant-silver) 0%, var(--moonlit-cream) 100%);
  --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  
  /* Neutral Colors (Design Palette based) */
  --bg-primary: var(--satin-charcoal);
  --bg-secondary: rgba(51, 51, 51, 0.8);
  --bg-tertiary: rgba(192, 192, 192, 0.1);
  --text-primary: var(--moonlit-cream);
  --text-secondary: var(--brilliant-silver);
  --text-muted: rgba(251, 243, 230, 0.6);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --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 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== Header ===== */
.header {
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--spacing-lg) 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

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

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--primary-color);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.usage-display {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.usage-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.usage-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.usage-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
}

.btn-search {
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

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

.btn-download {
  background: var(--gradient-success);
  color: white;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-download:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ===== Main Content ===== */
.main {
  padding: var(--spacing-3xl) 0;
}

/* ===== Hero Section ===== */
.hero {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Search Container ===== */
.search-container {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.search-box {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--bg-secondary);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-sm);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.search-box:focus-within {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.search-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--text-muted);
  margin-left: var(--spacing-md);
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  padding: var(--spacing-md);
}

.search-input::placeholder {
  color: var(--text-muted);
}

/* ===== Autocomplete Suggestions ===== */
.autocomplete-suggestions {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-height: 300px;
  overflow-y: auto;
  z-index: 10;
  display: none;
}

.autocomplete-suggestions.show {
  display: block;
}

.suggestion-item {
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.suggestion-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.suggestion-text {
  flex: 1;
  color: var(--text-primary);
}

.suggestion-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== Section Title ===== */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

/* ===== Recommendations ===== */
.recommendations {
  margin-bottom: var(--spacing-3xl);
}

.recommendations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.recommendation-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  overflow: hidden;
}

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

.recommendation-keyword {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.recommendation-count {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.recommendation-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xs);
}

.recommendation-image {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--bg-tertiary);
}

/* ===== Results Section ===== */
.results {
  margin-bottom: var(--spacing-3xl);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

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

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  cursor: pointer;
  accent-color: var(--primary-color);
}

/* ===== Loading Spinner ===== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl);
  gap: var(--spacing-lg);
}

.spinner {
  width: 3rem;
  height: 3rem;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Images Grid ===== */
.images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.image-card {
  background: var(--bg-secondary);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.image-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.image-card.selected {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.image-wrapper {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.image-checkbox {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 1.5rem;
  height: 1.5rem;
  cursor: pointer;
  accent-color: var(--primary-color);
  z-index: 1;
}

.image-info {
  padding: var(--spacing-md);
}

.image-title {
  font-size: 0.875rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.modal.show {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 2rem;
  height: 2rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-close svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--text-primary);
}

.modal-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.modal-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

/* ===== Pricing Cards ===== */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.pricing-card {
  background: var(--bg-tertiary);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  position: relative;
  transition: all var(--transition-base);
}

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

.pricing-card-featured {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-lg);
  background: var(--gradient-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-plan {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.pricing-price {
  margin-bottom: var(--spacing-lg);
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-light);
}

.price-period {
  font-size: 1rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pricing-features li::before {
  content: "✓";
  color: var(--success-color);
  font-weight: bold;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ===== Toast Notification ===== */
.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
  transform: translateX(calc(100% + var(--spacing-lg)));
  transition: transform var(--transition-base);
  z-index: 2000;
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  border-left: 4px solid var(--success-color);
}

.toast.error {
  border-left: 4px solid var(--error-color);
}

.toast.warning {
  border-left: 4px solid var(--warning-color);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ===== Mobile Menu ===== */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--spacing-sm);
  font-size: 1.5rem;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 999;
  padding: var(--spacing-xl);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.mobile-nav.show {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.mobile-nav-close {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-nav-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* ===== Search History ===== */
.search-history {
  margin-top: var(--spacing-lg);
}

.search-history-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.history-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.history-item:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
}

.history-item-remove {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
  line-height: 1;
}

/* ===== Favorites ===== */
.favorite-btn {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: var(--radius-full);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: all var(--transition-fast);
}

.favorite-btn:hover {
  background: rgba(0, 0, 0, 0.7);
  transform: scale(1.1);
}

.favorite-btn.active {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.2);
}

.favorite-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* ===== Image Filters ===== */
.filters-section {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.filters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.filters-toggle {
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
}

.filters-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.filter-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-select,
.filter-input {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: all var(--transition-fast);
}

.filter-select:focus,
.filter-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(146, 110, 174, 0.1);
}

/* ===== Infinite Scroll Loader ===== */
.infinite-scroll-loader {
  display: none;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}

.infinite-scroll-loader.show {
  display: flex;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero-title {
    font-size: 1.75rem;
    line-height: 1.3;
  }
  
  .hero-subtitle {
    font-size: 0.875rem;
  }
  
  .header {
    padding: var(--spacing-md) 0;
  }
  
  .header-content {
    flex-direction: row;
    align-items: center;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav {
    display: none;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .usage-display {
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
  }
  
  .search-box {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .btn-search {
    width: 100%;
    justify-content: center;
  }
  
  .results-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }
  
  .results-actions {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .btn-download {
    width: 100%;
    justify-content: center;
  }
  
  .images-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
  }
  
  .recommendations-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-cards {
    grid-template-columns: 1fr;
  }
  
  .filters-content {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    padding: var(--spacing-lg);
    max-height: 95vh;
  }
  
  .toast {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    left: var(--spacing-md);
    max-width: none;
  }
  
  .main {
    padding: var(--spacing-xl) 0;
  }
  
  /* Touch-friendly sizes */
  .btn {
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .image-card {
    border-width: 1px;
  }
  
  .favorite-btn {
    width: 2.5rem;
    height: 2.5rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .images-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .section-title {
    font-size: 1.5rem;
  }
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}