/* style/blog.css */
.page-blog {
  font-family: 'Arial', sans-serif;
  color: #F5F5DC; /* Màu chữ chính trên nền tối */
  background-color: #0A2239; /* Nền tối chủ đạo */
}

.page-blog .page-blog-hero {
  background: linear-gradient(135deg, #0A2239 0%, #1A3A54 100%);
  padding: 80px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: #F5F5DC;
}

.page-blog .page-blog-hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.2;
}

.page-blog .page-blog-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-blog .page-blog-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.page-blog .page-blog-hero-title {
  font-size: 3.5em;
  color: #FFD700;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-blog .page-blog-hero-description {
  font-size: 1.2em;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #F5F5DC;
}

.page-blog .page-blog-btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  font-size: 1.1em;
}

.page-blog .page-blog-btn-primary {
  background-color: #FFD700;
  color: #0A2239;
  border: 2px solid #FFD700;
}

.page-blog .page-blog-btn-primary:hover {
  background-color: #e6c200;
  transform: translateY(-2px);
}

.page-blog .page-blog-content-section {
  padding: 60px 20px;
  background-color: #F5F5DC;
  color: #0A2239;
}

.page-blog .page-blog-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 768px) {
  .page-blog .page-blog-container {
    grid-template-columns: 280px 1fr;
  }
}

.page-blog .page-blog-sidebar {
  background-color: #0A2239;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  color: #F5F5DC;
}

.page-blog .page-blog-sidebar-title {
  font-size: 1.8em;
  color: #FFD700;
  margin-bottom: 25px;
  border-bottom: 2px solid #1A3A54;
  padding-bottom: 10px;
}

.page-blog .page-blog-search-input-group {
  display: flex;
  margin-bottom: 30px;
}

.page-blog .page-blog-search-input {
  flex-grow: 1;
  padding: 12px 15px;
  border: 1px solid #1A3A54;
  border-radius: 5px 0 0 5px;
  font-size: 1em;
  background-color: #1A3A54;
  color: #F5F5DC;
}

.page-blog .page-blog-search-input::placeholder {
  color: #888;
}

.page-blog .page-blog-search-button {
  padding: 12px 20px;
  background-color: #FFD700;
  color: #0A2239;
  border: none;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  font-size: 1em;
  transition: background-color 0.3s ease;
}

.page-blog .page-blog-search-button:hover {
  background-color: #e6c200;
}

.page-blog .page-blog-category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-blog .page-blog-category-list li {
  margin-bottom: 15px;
}

.page-blog .page-blog-category-link {
  color: #F5F5DC;
  text-decoration: none;
  font-size: 1.1em;
  display: block;
  padding: 10px 15px;
  border-radius: 5px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.page-blog .page-blog-category-link:hover {
  background-color: #1A3A54;
  color: #FFD700;
}

.page-blog .page-blog-articles {
  background-color: #FFFFFF;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.page-blog .page-blog-section-title {
  font-size: 2.2em;
  color: #0A2239;
  margin-bottom: 30px;
  border-bottom: 2px solid #FFD700;
  padding-bottom: 10px;
}

.page-blog .page-blog-article-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 1024px) {
  .page-blog .page-blog-article-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-blog .page-blog-article-card {
  background-color: #F5F5DC;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-blog .page-blog-article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.page-blog .page-blog-article-thumbnail {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.page-blog .page-blog-article-info {
  padding: 20px;
}

.page-blog .page-blog-article-meta {
  font-size: 0.9em;
  color: #555;
  margin-bottom: 10px;
  display: block;
}

.page-blog .page-blog-article-title {
  font-size: 1.5em;
  margin-bottom: 15px;
}

.page-blog .page-blog-article-title a {
  color: #0A2239;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog .page-blog-article-title a:hover {
  color: #FFD700;
}

.page-blog .page-blog-article-summary {
  font-size: 1em;
  line-height: 1.6;
  color: #333;
  margin-bottom: 20px;
}

.page-blog .page-blog-read-more-btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #FFD700;
  color: #0A2239;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.page-blog .page-blog-read-more-btn:hover {
  background-color: #e6c200;
}

.page-blog .page-blog-pagination {
  margin-top: 40px;
  text-align: center;
}

.page-blog .page-blog-pagination-link {
  display: inline-block;
  padding: 10px 15px;
  margin: 0 5px;
  border: 1px solid #FFD700;
  border-radius: 5px;
  color: #0A2239;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.page-blog .page-blog-pagination-link:hover,
.page-blog .page-blog-pagination-link.page-blog-pagination-active {
  background-color: #FFD700;
  color: #0A2239;
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .page-blog .page-blog-hero-title {
    font-size: 2.5em;
  }

  .page-blog .page-blog-hero-description {
    font-size: 1em;
  }

  .page-blog .page-blog-section-title {
    font-size: 1.8em;
  }

  .page-blog .page-blog-sidebar {
    padding: 20px;
  }

  .page-blog .page-blog-articles {
    padding: 20px;
  }

  .page-blog .page-blog-article-title {
    font-size: 1.3em;
  }
}

@media (max-width: 480px) {
  .page-blog .page-blog-hero {
    padding: 60px 15px;
  }

  .page-blog .page-blog-hero-title {
    font-size: 2em;
  }

  .page-blog .page-blog-btn {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-blog .page-blog-content-section {
    padding: 40px 15px;
  }

  .page-blog .page-blog-sidebar-title,
  .page-blog .page-blog-section-title {
    font-size: 1.5em;
  }

  .page-blog .page-blog-search-input-group {
    flex-direction: column;
  }

  .page-blog .page-blog-search-input,
  .page-blog .page-blog-search-button {
    border-radius: 5px;
    margin-bottom: 10px;
  }

  .page-blog .page-blog-search-button {
    margin-bottom: 0;
  }

  .page-blog .page-blog-article-list {
    grid-template-columns: 1fr;
  }
}

/* WCAG AA Contrast Check (example for main text) */
/* Color #F5F5DC on #0A2239 has a contrast ratio of 14.5:1 (AA compliant) */
/* Color #0A2239 on #F5F5DC has a contrast ratio of 14.5:1 (AA compliant) */
/* Color #FFD700 on #0A2239 has a contrast ratio of 10.9:1 (AA compliant) */
/* Color #0A2239 on #FFD700 has a contrast ratio of 10.9:1 (AA compliant) */
/* Color #555 on #F5F5DC has a contrast ratio of 7.2:1 (AA compliant) */
/* Color #333 on #F5F5DC has a contrast ratio of 12.6:1 (AA compliant) */