/* Minimalist Gallery Style for CAIG */
/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Minimalist color palette */
  --primary-blue: #0066cc;
  --primary-blue-light: #4d94ff;
  --primary-blue-hover: #0052a3;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --bg-white: #ffffff;
  --bg-light-gray: #fafafa;
  --bg-lighter-gray: #f0f0f0;
  --border-light: #f0f0f0;
  --border-medium: #e0e0e0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg-white);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
  gap: 2rem;
}

.logo-link {
  display: block;
  text-decoration: none;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.logo-link:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.logo-image {
  height: 40px;
  width: auto;
  display: block;
  transition: transform var(--transition-fast);
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1.5rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-blue);
}

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

.search-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.search-container input[type="text"] {
  padding: 0.5rem 1rem;
  border: 2px solid var(--border-light);
  border-radius: 8px;
  font-size: 0.9rem;
  width: 250px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  background: var(--bg-white);
  color: var(--text-primary);
}

.search-container input[type="text"]:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.search-container input[type="text"]::placeholder {
  color: var(--text-muted);
}

.search-container button {
  padding: 0.5rem 1rem;
  background: var(--primary-blue);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.search-container button:hover {
  background: var(--primary-blue-hover);
  transform: translateY(-1px);
}

.search-container button:active {
  transform: translateY(0);
}

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

.search-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
  background: var(--bg-white);
}

.search-btn {
  padding: 0.5rem 1rem;
  background: var(--primary-blue);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  font-size: 0.9rem;
}

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

/* Main content */
.main {
  margin-top: 80px;
  padding: 3rem 0;
}

/* Hero Section */
.hero-section {
  text-align: center;
  margin-bottom: 4rem;
  padding: 2rem 0;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Masonry Grid Layout */
.masonry-container,
.masonry-grid,
#imageGrid {
  column-count: 4;
  column-gap: 16px;
}

.image-card,
.masonry-item {
  background: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
  break-inside: avoid;
  position: relative;
}

.image-card:hover,
.masonry-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.image-card img,
.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-base);
}

.image-card:hover img,
.masonry-item:hover img {
  transform: scale(1.02);
}

.card-content {
  padding: 1rem;
}

.card-title,
.masonry-item .title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-meta,
.masonry-item .author {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-meta .likes {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* New meta-row layout for masonry items */
.masonry-item .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
  padding: 1.5rem 1rem 1rem;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.masonry-item:hover .overlay {
  opacity: 1;
}

.masonry-item .meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
}

.masonry-item .author {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8rem;
}

.masonry-item .likes {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8rem;
}

.masonry-item .heart {
  font-size: 0.9rem;
}

/* Loading state */
.loading {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 500;
  grid-column: 1 / -1;
}

/* Loading More */
.loading-more {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
}

.loading-more .spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-light);
  border-top: 3px solid var(--primary-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Footer */
.footer {
  background: var(--bg-light-gray);
  border-top: 1px solid var(--border-light);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 0 2rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.footer-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
  min-height: 44px; /* Ensures good touch target size */
  display: flex;
  align-items: center;
}

.footer-nav a:hover {
  background: var(--primary-blue);
  color: white;
  transform: translateY(-1px);
}

.footer-copyright {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  width: 100%;
}

.footer-copyright p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
  opacity: 0.8;
}

/* Tags for image detail and search pages */
.tags {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 0.5rem !important;
  margin: 1rem 0 !important;
}

.tag {
  display: inline-flex !important;
  align-items: center !important;
  padding: 0.4rem 1rem !important;
  background: var(--bg-light-gray) !important;
  color: var(--text-secondary) !important;
  text-decoration: none !important;
  border-radius: 20px !important;
  font-size: 0.85rem !important;
  font-weight: 500 !important;
  transition: all var(--transition-base) !important;
  border: 1px solid var(--border-light) !important;
}

.tag:hover {
  background: var(--primary-blue) !important;
  color: white !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3) !important;
}

.tag-icon {
  display: inline-block !important;
  margin-right: 0.5rem !important;
  font-size: 0.9rem !important;
}

.tag-text {
  font-weight: 500 !important;
}

/* Image placeholder and loading states */
.image-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
}

.image-container img {
  width: 100%;
  height: auto;
  display: block;
}

.image-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-light-gray);
  border-radius: 12px;
  opacity: 1;
  transition: opacity var(--transition-base);
  z-index: 2;
}

.image-placeholder.loaded {
  opacity: 0;
  pointer-events: none;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-light-gray) 25%, var(--bg-lighter-gray) 50%, var(--bg-light-gray) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: 12px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.skeleton-item .skeleton-image {
  width: 100%;
  height: 200px;
}

.skeleton-item .skeleton-text {
  height: 16px;
  margin: 16px;
  border-radius: 4px;
  width: 80%;
}

.skeleton-item .skeleton-text.small {
  height: 12px;
  width: 60%;
  margin-top: 8px;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .masonry-container,
  .masonry-grid,
  #imageGrid {
    column-count: 3;
  }

  .header-content {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .search-container {
    order: 3;
    flex-basis: 100%;
    max-width: 100%;
    justify-content: center;
  }

  .search-container input[type="text"] {
    width: 300px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .header-content {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .logo {
    order: 1;
    text-align: center;
  }

  .logo-image {
    height: 32px;
    margin: 0 auto;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 1.5rem;
  }

  .search-container {
    order: 2;
    width: 100%;
    justify-content: center;
  }

  .search-container input[type="text"] {
    width: 200px;
  }

  .main {
    margin-top: 120px;
    padding: 2rem 0;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .masonry-container,
  .masonry-grid,
  #imageGrid {
    column-count: 2;
    column-gap: 12px;
  }

  .footer-content {
    padding: 0 1rem;
    gap: 1.5rem;
  }

  .footer-nav {
    gap: 1rem;
    justify-content: center;
  }

  .footer-nav a {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .masonry-container,
  .masonry-grid,
  #imageGrid {
    column-count: 1;
  }

  .footer-nav {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .footer-nav a {
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 1rem;
  }

  .search-input {
    width: 180px;
  }

  .hero-title {
    font-size: 1.8rem;
  }
}

/* Utility classes */
.text-center {
  text-align: center;
}

.hidden {
  display: none;
}

.fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Animation for cards */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.image-card,
.masonry-item {
  animation: fadeInUp 0.6s ease forwards;
}

/* Search page specific styles */
.search-header {
  text-align: center;
  margin-bottom: 3rem;
}

.search-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.search-query-display {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.search-query-display #searchTerm {
  color: var(--primary-blue);
  font-weight: 600;
}

/* No results state */
.no-results-container {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.no-results-content {
  text-align: center;
  max-width: 600px;
}

.no-results-content h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.no-results-content h2 #searchQuery {
  color: var(--primary-blue);
  font-weight: 700;
}

.no-results-content > p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.popular-tags {
  margin-bottom: 3rem;
}

.popular-tags h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.tags-container .tag {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: var(--bg-light-gray);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-base);
  border: 1px solid var(--border-light);
}

.tags-container .tag:hover {
  background: var(--primary-blue);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.suggestions h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.suggestions p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-block;
  padding: 0.8rem 2.5rem;
  background: var(--primary-blue);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
  background: var(--primary-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
  transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Focus states for accessibility */
.nav-link:focus,
.search-input:focus,
.search-btn:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Selection color */
::selection {
  background: rgba(0, 102, 204, 0.2);
  color: var(--text-primary);
}