/*
Theme Name: Mesologgi Archive
Description: Custom theme for Mesologgi Archive digital collection
Version: 1.0.0
Author: Emilioni
Text Domain: mesologgi-archive
*/

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

:root {
  --gap: 20px;
  --grid-min: 280px;
  --container-max: 1400px;
  --accent: #e74c3c;
  --primary: #2c3e50;
  --secondary: #3498db;
  --success: #27ae60;
  --warning: #f39c12;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --text-light: #7f8c8d;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 12px 40px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
  --border-radius-small: 6px;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  margin: 0;
  padding: 0;
  background-color: var(--light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 1rem 0;
  color: var(--primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

a:hover {
  color: var(--accent);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Grid Layout */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--grid-min), 1fr));
  gap: var(--gap);
  margin: 40px 0;
}

.grid-item {
  position: relative;
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}

.grid-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-heavy);
}

.grid-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

.grid-item:hover img {
  transform: scale(1.08);
}

/* Overlay */
.item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(44,62,80,0.9) 0%, rgba(52,152,219,0.8) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

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

.item-info {
  color: white;
}

.item-title {
  font-family: var(--font-secondary);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: white;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.item-meta {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.9);
}

.item-year {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 16px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
}

.item-actions {
  display: flex;
  gap: 12px;
}

.action-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 6px;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  color: white;
  transform: translateY(-2px);
}

/* Filters */
.filters-section {
  background: white;
  padding: 40px 0;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
  border-radius: var(--border-radius);
}

.filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: end;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--primary);
  font-size: 14px;
}

.filter-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e1e8ed;
  border-radius: var(--border-radius-small);
  font-size: 14px;
  background: white;
  transition: var(--transition);
  font-family: var(--font-primary);
}

.filter-select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(52,152,219,0.1);
}

.search-box {
  flex: 2;
  min-width: 300px;
}

.search-input {
  width: 100%;
  padding: 14px 20px;
  border: 2px solid #e1e8ed;
  border-radius: var(--border-radius-small);
  font-size: 16px;
  background: white;
  transition: var(--transition);
  font-family: var(--font-primary);
}

.search-input:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(52,152,219,0.1);
}

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

/* Loading */
.loading {
  text-align: center;
  padding: 60px;
}

.spinner {
  border: 3px solid rgba(52,152,219,0.2);
  border-top: 3px solid var(--secondary);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

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

.loading-text {
  color: var(--text-light);
  font-size: 14px;
  font-weight: 500;
}

/* Single Item */
.single-item {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 20px;
}

.item-viewer {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.viewer-main {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.viewer-main img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

.viewer-main:hover img {
  transform: scale(1.02);
}

.metadata-panel {
  background: white;
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 20px;
}

.metadata-title {
  font-family: var(--font-secondary);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--primary);
  line-height: 1.2;
}

.metadata-field {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid #f0f0f0;
}

.metadata-field:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.metadata-label {
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metadata-value {
  color: var(--dark);
  font-size: 16px;
  line-height: 1.5;
}

.metadata-value a {
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition);
}

.metadata-value a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--secondary);
  color: white;
  padding: 12px 24px;
  border-radius: var(--border-radius-small);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.download-btn:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Responsive */
@media (max-width: 1200px) {
  .archive-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
  }
  
  .item-viewer {
    gap: 30px;
  }
}

@media (max-width: 768px) {
  :root {
    --gap: 16px;
  }
  
  .archive-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
  }
  
  .filters-container {
    flex-direction: column;
    gap: 16px;
  }
  
  .filter-group,
  .search-box {
    min-width: 100%;
  }
  
  .item-viewer {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .metadata-panel {
    padding: 24px;
    position: static;
  }
  
  .metadata-title {
    font-size: 24px;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
  .archive-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .item-overlay {
    padding: 16px;
  }
  
  .item-title {
    font-size: 16px;
  }
  
  .item-meta {
    font-size: 13px;
  }
  
  .action-btn {
    padding: 8px 12px;
    font-size: 12px;
  }
  
  .metadata-panel {
    padding: 20px;
  }
  
  .metadata-title {
    font-size: 20px;
  }
  
  .single-item {
    padding: 20px 12px;
  }
  
  .filters-section {
    padding: 24px 0;
  }
}

/* Additional UI Components */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius-small);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-primary);
  font-size: 14px;
}

.btn-primary {
  background: var(--secondary);
  color: white;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
}

.btn-secondary:hover {
  background: var(--secondary);
  color: white;
  transform: translateY(-2px);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-size: 14px;
  color: var(--text-light);
}

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

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .separator {
  color: var(--text-light);
}

.breadcrumb .current {
  color: var(--primary);
  font-weight: 600;
}

/* Related Items */
.related-items {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid #e1e8ed;
}

.related-items h2 {
  margin-bottom: 30px;
  color: var(--primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.related-item {
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.related-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.related-item a {
  display: block;
  text-decoration: none;
  color: inherit;
}

.related-item img {
  width: 100%;
  height: auto;
  display: block;
}

.related-item h3 {
  padding: 16px;
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  color: var(--primary);
  line-height: 1.4;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

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

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

/* Animation Classes */
.grid-item.clicked {
  transform: scale(0.98);
}

.grid-item.hovered {
  transform: translateY(-8px) scale(1.02);
}

.page-transition {
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.no-results p {
  font-size: 18px;
  margin: 0;
}

/* Loading States */
.archive-grid.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Lightbox Styles */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-heavy);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}

.lightbox-close:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

.lightbox-image-container {
  position: relative;
  max-height: 70vh;
  overflow: hidden;
}

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

.lightbox-info {
  padding: 24px;
  background: white;
}

.lightbox-title {
  font-family: var(--font-secondary);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary);
}

.lightbox-meta {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--text-light);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  transition: var(--transition);
  z-index: 10;
}

.lightbox-nav.prev {
  left: 20px;
}

.lightbox-nav.next {
  right: 20px;
}

.lightbox-nav:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: translateY(-50%) scale(1.1);
}

/* Error Messages */
.error-message {
  background: #fee;
  color: #c33;
  padding: 16px 24px;
  border-radius: var(--border-radius-small);
  border-left: 4px solid #c33;
  margin-bottom: 20px;
  font-weight: 500;
}

/* Success Messages */
.success-message {
  background: #efe;
  color: #363;
  padding: 16px 24px;
  border-radius: var(--border-radius-small);
  border-left: 4px solid #363;
  margin-bottom: 20px;
  font-weight: 500;
}