/* blog.css - 门窗课堂（博客）专属样式 */

/* 1. Blog Categorization */
.blog-filter-section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.blog-filter-list {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.blog-filter-btn {
  padding: 0.6rem 1.8rem;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--color-text-mid);
  cursor: pointer;
  background-color: #fff;
  transition: all var(--transition-fast);
}

.blog-filter-btn:hover,
.blog-filter-btn.active {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* 2. Blog Main Layout */
.blog-main-section {
  padding: 5rem 0 8rem 0;
  background-color: var(--color-bg-light);
}

.blog-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

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

@media (max-width: 768px) {
  .blog-list-grid {
    grid-template-columns: 1fr;
  }
}

/* 3. Blog Card Tag overrides */
.blog-card-category {
  font-size: 0.75rem;
  background-color: rgba(120, 190, 32, 0.1);
  color: var(--color-accent);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  font-weight: 600;
}

/* 4. Blog Reader Modal */
.blog-reader-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 17, 17, 0.6);
  backdrop-filter: blur(10px);
  z-index: 3000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.blog-reader-content {
  background-color: var(--color-bg);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 2px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0,0,0,0.25);
  animation: modalFadeIn 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.blog-reader-header-img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}

.blog-reader-body {
  padding: 3rem;
}

.blog-reader-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}

.blog-reader-title {
  font-size: 2.2rem;
  font-weight: 300;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  color: var(--color-text-dark);
}

.blog-reader-article {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-mid);
  font-weight: 300;
}

.blog-reader-article p {
  margin-bottom: 1.5rem;
}

.blog-reader-article h3 {
  font-size: 1.4rem;
  color: var(--color-text-dark);
  font-weight: 600;
  margin: 2.5rem 0 1rem 0;
}

.blog-reader-article ul {
  list-style-type: disc;
  padding-left: 2rem;
  margin-bottom: 1.5rem;
}

.blog-reader-article ul li {
  margin-bottom: 0.5rem;
}

.blog-reader-article strong {
  color: var(--color-text-dark);
  font-weight: 600;
}

@media (max-width: 768px) {
  .blog-reader-body {
    padding: 1.5rem;
  }
  .blog-reader-title {
    font-size: 1.6rem;
  }
  .blog-reader-header-img {
    height: 200px;
  }
}