/* Custom CSS for FlyPython */

/* Enhanced Typography */
body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.8;
}

/* Language Toggle Styles */
.language-toggle {
  margin: 1rem 0;
  text-align: center;
}

.btn-lang {
  display: inline-block;
  margin: 0 0.25rem;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  text-decoration: none;
  border-radius: 0.3rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.2s ease;
  /* Ensure buttons are not affected by generic .btn styles */
  transform: none !important;
  box-shadow: none;
}

.btn-lang:hover {
  background-color: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  color: white;
  /* Disable transform effects on hover */
  transform: none !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-lang.active {
  background-color: rgba(255, 255, 255, 0.9);
  color: #333;
  border-color: rgba(255, 255, 255, 0.9);
  transform: none !important;
}

/* Header Stats */
.header-stats {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.header-stats p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  text-align: center;
  font-weight: 300;
}

.header-stats a {
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
  transition: all 0.2s ease;
}

.header-stats a:hover {
  color: white;
  text-decoration: none;
}

.header-stats img {
  vertical-align: middle;
  margin-left: 0.25rem;
}

/* Enhanced Header */
.page-header {
  background: linear-gradient(135deg, #157878 0%, #2c3e50 100%);
}

.project-name {
  font-size: 3rem;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.project-tagline {
  font-size: 1.2rem;
  font-weight: 300;
  opacity: 0.9;
}

/* Enhanced Buttons - Only affects GitHub buttons, not language toggle buttons */
.btn:not(.btn-lang) {
  transition: all 0.3s ease;
}

.btn:not(.btn-lang):hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Table of Contents Styles */
.toc {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border: 1px solid #dee2e6;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin: 2rem 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.toc h3 {
  margin-top: 0;
  color: #495057;
  font-size: 1.2rem;
  border-bottom: 2px solid #157878;
  padding-bottom: 0.5rem;
}

.toc ul {
  list-style: none;
  padding-left: 0;
}

.toc li {
  margin: 0.5rem 0;
}

.toc a {
  color: #157878;
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
  display: block;
}

.toc a:hover {
  background-color: #157878;
  color: white;
  text-decoration: none;
}

.toc-level-2 {
  padding-left: 1rem;
}

.toc-level-3 {
  padding-left: 2rem;
}

/* Enhanced Main Content */
.main-content {
  line-height: 1.8;
}

.main-content h1,
.main-content h2,
.main-content h3,
.main-content h4 {
  color: #2c3e50;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.main-content h2 {
  border-bottom: 2px solid #157878;
  padding-bottom: 0.5rem;
}

.main-content h3 {
  border-left: 4px solid #157878;
  padding-left: 1rem;
}

/* Code block enhancements */
.main-content pre {
  background: #2d3748;
  border-radius: 0.5rem;
  padding: 1.5rem;
  overflow-x: auto;
}

.main-content code {
  background: #f1f3f4;
  color: #d73a49;
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  font-size: 0.9em;
}

.main-content pre code {
  background: none;
  color: #e2e8f0;
  padding: 0;
}

/* Link styles */
.main-content a {
  color: #157878;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.main-content a:hover {
  border-bottom-color: #157878;
  text-decoration: none;
}

.section-lead {
  margin: 1rem 0 1.75rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(21, 120, 120, 0.12) 0%, rgba(44, 62, 80, 0.08) 100%);
  border: 1px solid rgba(21, 120, 120, 0.18);
  border-radius: 0.75rem;
  color: #35505f;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 180px;
  padding: 1.2rem;
  background: linear-gradient(180deg, #ffffff 0%, #f4fbfb 100%);
  border: 1px solid rgba(21, 120, 120, 0.14);
  border-radius: 1rem;
  box-shadow: 0 18px 40px rgba(21, 120, 120, 0.08);
  text-decoration: none !important;
  color: #1f3440 !important;
}

.hub-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 48px rgba(21, 120, 120, 0.14);
  border-color: rgba(21, 120, 120, 0.28);
}

.hub-card strong {
  font-size: 1.1rem;
  line-height: 1.3;
}

.hub-card span:last-child {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #526674;
}

.hub-card-eyebrow {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(21, 120, 120, 0.1);
  color: #157878;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.resource-section {
  margin: 1.4rem 0;
  border: 1px solid rgba(21, 120, 120, 0.12);
  border-radius: 0.9rem;
  background: #ffffff;
  box-shadow: 0 8px 28px rgba(44, 62, 80, 0.06);
  overflow: hidden;
}

.resource-section summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(21, 120, 120, 0.1) 0%, rgba(44, 62, 80, 0.06) 100%);
  color: #21404d;
  font-size: 1.05rem;
  font-weight: 700;
}

.resource-section summary::-webkit-details-marker {
  display: none;
}

.resource-section[open] summary {
  border-bottom: 1px solid rgba(21, 120, 120, 0.12);
}

.resource-section > *:not(summary) {
  margin-left: 1.25rem;
  margin-right: 1.25rem;
}

.resource-section > *:last-child {
  margin-bottom: 1.25rem;
}

/* Enhanced lists */
.main-content ul li {
  margin: 0.75rem 0;
}

.main-content ul li a {
  font-weight: 500;
}

.main-content ul li a:hover {
  background: rgba(21, 120, 120, 0.1);
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  margin: -0.2rem -0.4rem;
}

/* Footer enhancements */
.site-footer {
  border-top: 2px solid #157878;
  margin-top: 3rem;
  padding-top: 2rem;
}

.footer-stats {
  text-align: center;
  margin-top: 1rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 0.5rem;
}

.footer-stats p {
  margin: 0;
  color: #6c757d;
}

/* Scroll to top button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #157878;
  color: white;
  border: none;
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1000;
  font-size: 1.2rem;
}

.scroll-to-top.show {
  opacity: 1;
}

.scroll-to-top:hover {
  background: #2c3e50;
}

/* Resource cards */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.resource-card {
  background: white;
  border-radius: 0.5rem;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  border-left: 4px solid #157878;
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Category headers */
.category-header {
  display: flex;
  align-items: center;
  margin: 3rem 0 1.5rem 0;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(21, 120, 120, 0.1) 0%, rgba(21, 120, 120, 0.05) 100%);
  border-radius: 0.5rem;
  border-left: 5px solid #157878;
}

/* Statistics section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: 0.5rem;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border-top: 3px solid #157878;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: #157878;
  display: block;
}

.stat-label {
  color: #666;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Responsive improvements */
@media screen and (max-width: 768px) {
  .project-name {
    font-size: 2rem;
  }
  
  .project-tagline {
    font-size: 1rem;
  }
  
  .language-toggle {
    text-align: center;
  }
  
  .btn-lang {
    display: block;
    margin: 0.5rem auto;
    max-width: 200px;
  }
  
  .header-stats {
    margin: 1rem 0;
    padding: 0.5rem;
  }
  
  .header-stats p {
    font-size: 0.8rem;
    line-height: 1.4;
  }
  
  .toc {
    margin: 1rem 0;
    padding: 1rem;
  }

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

  .hub-card {
    min-height: auto;
  }
  
  .resource-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .resource-card {
    background: #2d3748;
    color: #e2e8f0;
  }
  
  .stat-card {
    background: #2d3748;
    color: #e2e8f0;
  }
  
  .footer-stats {
    background: #2d3748;
    color: #e2e8f0;
  }
}

/* Print styles */
@media print {
  .page-header,
  .site-footer,
  .scroll-to-top,
  .toc {
    display: none !important;
  }
  
  .main-content {
    max-width: none !important;
  }
}