/* Blog System Styles - Blue Color Scheme */

/* Import enhanced color variables */
:root {
  /* Blog-specific blues */
  --blog-primary: #1e3a8a;
  --blog-secondary: #0ea5e9;
  --blog-accent: #06ffff;
  --blog-success: #00ff41;
  --blog-warning: #ffd700;
  --blog-danger: #ff073a;

  /* Blog backgrounds */
  --blog-bg-primary: linear-gradient(135deg, #0c1e47 0%, #1e3a8a 100%);
  --blog-bg-secondary: linear-gradient(145deg, #f8fafc 0%, #e0f2fe 100%);
  --blog-bg-card: rgba(255, 255, 255, 0.95);
  --blog-bg-overlay: rgba(15, 23, 42, 0.9);

  /* Blog shadows */
  --blog-shadow-sm: 0 2px 4px rgba(30, 58, 138, 0.1);
  --blog-shadow-md: 0 4px 12px rgba(30, 58, 138, 0.15);
  --blog-shadow-lg: 0 8px 24px rgba(30, 58, 138, 0.2);
  --blog-shadow-glow: 0 0 20px rgba(6, 255, 255, 0.3);
}

/* Blog Page Layout */
.blog-page {
  min-height: 100vh;
  background: var(--blog-bg-secondary);
}

/* Blog Header */
.blog-header {
  background: var(--blog-bg-primary);
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.blog-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="blogGrid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23blogGrid)"/></svg>');
}

.blog-header-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.blog-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--snow);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.blog-icon {
  font-size: 1em;
  filter: drop-shadow(0 0 15px rgba(6, 255, 255, 0.5));
  animation: blogIconPulse 3s ease-in-out infinite;
}

@keyframes blogIconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.blog-subtitle {
  font-size: 1.2rem;
  color: var(--silver);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.blog-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Blog Controls */
.blog-controls {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  padding: 2rem 0;
  border-bottom: 1px solid rgba(30, 58, 138, 0.1);
}

.blog-filters {
  display: flex;
  gap: 2rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-filter {
  flex: 1;
  min-width: 300px;
}

.blog-search-form {
  width: 100%;
}

.search-input-group {
  display: flex;
  background: white;
  border: 2px solid var(--blog-primary);
  border-radius: 50px;
  overflow: hidden;
  box-shadow: var(--blog-shadow-sm);
  transition: all 0.3s ease;
}

.search-input-group:focus-within {
  box-shadow: var(--blog-shadow-glow);
  transform: translateY(-2px);
}

.search-input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  font-size: 1rem;
  outline: none;
  background: transparent;
}

.search-button {
  padding: 1rem 1.5rem;
  background: var(--blog-primary);
  color: white;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
}

.search-button:hover {
  background: var(--blog-secondary);
}

/* Category Tabs */
.category-filter {
  flex-shrink: 0;
}

.category-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.category-tab {
  padding: 0.75rem 1.5rem;
  background: white;
  color: var(--blog-primary);
  text-decoration: none;
  border-radius: 25px;
  border: 2px solid transparent;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.category-tab:hover {
  background: var(--category-color, var(--blog-primary));
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--blog-shadow-md);
}

.category-tab.active {
  background: var(--category-color, var(--blog-primary));
  color: white;
  box-shadow: var(--blog-shadow-md);
}

/* Blog Content */
.blog-content {
  padding: 3rem 0;
}

.filter-info {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 15px;
  border-left: 4px solid var(--blog-accent);
}

.filter-info h2 {
  color: var(--blog-primary);
  margin-bottom: 0.5rem;
}

.filter-info p {
  color: var(--slate);
  margin: 0;
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.blog-card {
  background: var(--blog-bg-card);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--blog-shadow-md);
  border: 1px solid rgba(30, 58, 138, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--blog-shadow-lg);
  border-color: var(--blog-secondary);
}

.blog-card-header {
  position: relative;
}

.blog-card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(45deg, var(--blog-primary), var(--blog-secondary));
}

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

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

.blog-card-categories {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.category-badge {
  padding: 0.25rem 0.75rem;
  color: white;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  backdrop-filter: blur(10px);
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card-title {
  margin-bottom: 1rem;
}

.blog-card-title a {
  color: var(--blog-primary);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  transition: color 0.3s ease;
}

.blog-card-title a:hover {
  color: var(--blog-secondary);
}

.blog-card-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--slate);
  flex-wrap: wrap;
}

.blog-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.author {
  font-weight: 600;
  color: var(--blog-primary);
}

.blog-card-excerpt {
  color: var(--slate);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.read-more-link {
  color: var(--blog-secondary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.read-more-link:hover {
  color: var(--blog-accent);
  transform: translateX(5px);
}

/* No Posts State */
.no-posts {
  text-align: center;
  padding: 4rem 2rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  margin: 2rem 0;
}

.no-posts-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.no-posts h3 {
  color: var(--blog-primary);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.no-posts p {
  color: var(--slate);
  margin-bottom: 2rem;
}

/* Pagination */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.page-btn,
.page-number {
  padding: 0.75rem 1rem;
  background: white;
  color: var(--blog-primary);
  text-decoration: none;
  border-radius: 10px;
  border: 2px solid var(--blog-primary);
  font-weight: 600;
  transition: all 0.3s ease;
  min-width: 44px;
  text-align: center;
}

.page-btn:hover,
.page-number:hover {
  background: var(--blog-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--blog-shadow-md);
}

.page-number.active {
  background: var(--blog-secondary);
  color: white;
  border-color: var(--blog-secondary);
  box-shadow: var(--blog-shadow-md);
}

.page-numbers {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.page-dots {
  color: var(--slate);
  padding: 0 0.5rem;
}

/* Enhanced Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blog-accent) 0%, var(--blog-success) 100%);
  color: var(--dark-navy);
  box-shadow: var(--blog-shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0, 255, 65, 0.4);
  color: var(--dark-navy);
}

.btn-secondary {
  background: transparent;
  color: var(--snow);
  border: 2px solid var(--snow);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--snow);
  color: var(--blog-primary);
  transform: translateY(-3px);
  box-shadow: var(--blog-shadow-lg);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .blog-filters {
    flex-direction: column;
    gap: 1.5rem;
  }

  .search-filter {
    min-width: 100%;
  }

  .category-tabs {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .blog-header {
    padding: 3rem 0 2rem;
  }

  .blog-title {
    font-size: 2rem;
    flex-direction: column;
    gap: 0.5rem;
  }

  .blog-actions {
    flex-direction: column;
    align-items: center;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .blog-card-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .blog-pagination {
    gap: 0.5rem;
  }

  .page-btn,
  .page-number {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }
}

/* Animation Enhancements */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.blog-card {
  animation: fadeInUp 0.6s ease forwards;
}

.blog-card:nth-child(2) { animation-delay: 0.1s; }
.blog-card:nth-child(3) { animation-delay: 0.2s; }
.blog-card:nth-child(4) { animation-delay: 0.3s; }

/* Focus States for Accessibility */
.search-input:focus,
.category-tab:focus,
.page-btn:focus,
.page-number:focus,
.btn:focus {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .blog-header,
  .blog-controls,
  .blog-pagination,
  .blog-actions {
    display: none !important;
  }

  .blog-card {
    break-inside: avoid;
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}