/* ========================================
   BLOG.CSS - PAGE BLOG - Design Premium
   ======================================== */

.page--blog {
  background-color: var(--color-light);
  color: var(--color-text);
}

/* ===== Hero Section ===== */
.blog-hero {
  padding: 80px 0 100px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #6366f1 50%, var(--color-accent) 100%);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.blog-hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.blog-hero--compact {
  padding: var(--spacing-xl) 0;
}

.blog-hero__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.blog-hero--compact .blog-hero__container {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  text-align: left;
}

.blog-hero__content {
  max-width: 700px;
}

.blog-hero__eyebrow {
  font-family: 'Kanit', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--spacing-sm);
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255,255,255,0.15);
  border-radius: 50px;
}

.blog-hero__title {
  font-family: 'Baloo 2', cursive;
  font-weight: 700;
  font-size: 52px;
  color: var(--color-light);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.blog-hero__text {
  font-family: 'Kanit', sans-serif;
  font-weight: 300;
  font-size: 20px;
  line-height: 1.7;
  color: rgba(255,255,255,0.9);
  max-width: 600px;
  margin: 0 auto;
}

.blog-hero__card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid rgba(66, 48, 214, 0.1);
}

.blog-hero__card-title {
  font-family: 'Kanit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.blog-hero__card-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.blog-hero__card-code {
  display: block;
  background: #171615;
  color: #f8f4ec;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-family: 'Kanit', sans-serif;
  font-weight: 400;
  font-size: 0.8125rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.blog-hero__back {
  justify-self: end;
}

/* ===== Blog List Section ===== */
.blog-list {
  padding: var(--spacing-xxxl) 0;
  background: linear-gradient(180deg, #ffffff 0%, var(--color-light) 100%);
}

.blog-list__header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.blog-list__title {
  font-family: 'Baloo 2', cursive;
  font-weight: 600;
  font-size: 32px;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.blog-list__subtitle {
  font-family: 'Kanit', sans-serif;
  font-weight: 300;
  font-size: 17px;
  color: var(--color-muted);
}

.blog-list__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--spacing-xl);
}

/* ===== Blog Cards ===== */
.blog-card {
  background: #ffffff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(66, 48, 214, 0.08);
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  box-shadow: 0 12px 40px rgba(66, 48, 214, 0.15);
  border-color: var(--color-primary);
  transform: translateY(-6px);
}

/* Image placeholder */
.blog-card__image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #6366f1 100%);
  position: relative;
  overflow: hidden;
}

.blog-card__image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?w=600&q=80');
  background-size: cover;
  background-position: center;
  opacity: 0.85;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card__image::before {
  transform: scale(1.05);
}

.blog-card__content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  flex: 1;
}

.blog-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.8125rem;
}

.blog-card__category {
  font-family: 'Kanit', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-light);
  background: linear-gradient(135deg, var(--color-primary) 0%, #6366f1 100%);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
}

.blog-card__date {
  font-family: 'Kanit', sans-serif;
  font-weight: 400;
  color: var(--color-muted);
}

.blog-card__title {
  font-family: 'Baloo 2', cursive;
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--color-dark);
  margin: var(--spacing-xs) 0;
  line-height: 1.3;
}

.blog-card__link {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-card__link:hover {
  color: var(--color-primary);
}

.blog-card__summary {
  font-family: 'Kanit', sans-serif;
  font-weight: 300;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-muted);
  flex: 1;
}

.blog-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(66, 48, 214, 0.08);
  margin-top: auto;
}

.blog-card__author {
  font-family: 'Kanit', sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-dark);
}

.blog-card__read-time {
  font-family: 'Kanit', sans-serif;
  font-weight: 400;
  font-size: 0.8125rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-card__read-time::before {
  content: '';
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 6v6l4 2'/%3E%3C/svg%3E");
  background-size: contain;
}

/* ===== Empty State ===== */
.blog-list__empty {
  text-align: center;
  background: #ffffff;
  padding: var(--spacing-xxl);
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  max-width: 500px;
  margin: 0 auto;
}

.blog-list__empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(66, 48, 214, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-list__empty-icon svg {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
}

.blog-list__empty-title {
  font-family: 'Baloo 2', cursive;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.blog-list__empty-text {
  font-family: 'Kanit', sans-serif;
  font-weight: 300;
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ===== Blog Post (Article Detail) ===== */
.blog-post {
  padding: var(--spacing-xxl) 0;
  background: #ffffff;
}

.blog-post__container {
  max-width: 800px;
}

.blog-post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  color: var(--color-muted);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(66, 48, 214, 0.05);
  border-radius: 12px;
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

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

.blog-post__summary {
  font-family: 'Kanit', sans-serif;
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-dark);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid rgba(66, 48, 214, 0.1);
}

.blog-post__content {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.blog-post__heading {
  font-family: 'Baloo 2', cursive;
  font-weight: 700;
  font-size: 1.875rem;
  color: var(--color-dark);
  margin-top: var(--spacing-md);
}

.blog-post__subheading {
  font-family: 'Kanit', sans-serif;
  font-weight: 600;
  font-size: 1.3125rem;
  color: var(--color-primary);
  margin-top: var(--spacing-sm);
}

.blog-post__paragraph {
  font-family: 'Kanit', sans-serif;
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: #3b3b3b;
}

.blog-post__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, rgba(66, 48, 214, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
  border-radius: 16px;
  padding: var(--spacing-lg);
  border-left: 4px solid var(--color-primary);
}

.blog-post__list-item {
  position: relative;
  padding-left: 1.75rem;
  font-family: 'Kanit', sans-serif;
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.blog-post__list-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #22d3ee 100%);
  border-radius: 50%;
}

.blog-post__links {
  display: grid;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(66, 48, 214, 0.08) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.blog-post__link {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 500;
  transition: color 0.2s ease;
}

.blog-post__link:hover {
  color: var(--color-accent);
}

.blog-post__sources {
  border-top: 2px solid rgba(66, 48, 214, 0.1);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  display: grid;
  gap: var(--spacing-sm);
}

.blog-post__sources-title {
  font-family: 'Kanit', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.blog-post__sources-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.blog-post__sources-item {
  font-size: 0.9375rem;
}

.blog-post__sources-link {
  color: var(--color-dark);
  text-decoration: underline;
}

.blog-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.blog-post__tag {
  background: linear-gradient(135deg, rgba(66, 48, 214, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
  color: var(--color-primary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-family: 'Kanit', sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.2s ease;
}

.blog-post__tag:hover {
  background: var(--color-primary);
  color: var(--color-light);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .blog-hero {
    padding: 60px 0 80px;
  }

  .blog-hero__title {
    font-size: 42px;
  }

  .blog-hero__text {
    font-size: 18px;
  }

  .blog-list__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .blog-hero {
    padding: 50px 0 70px;
  }

  .blog-hero__title {
    font-size: 32px;
  }

  .blog-hero__text {
    font-size: 16px;
  }

  .blog-hero--compact .blog-hero__container {
    flex-direction: column;
    text-align: center;
  }

  .blog-hero__back {
    margin-top: var(--spacing-md);
  }

  .blog-list {
    padding: var(--spacing-xxl) 0;
  }

  .blog-list__grid {
    grid-template-columns: 1fr;
  }

  .blog-card__image {
    height: 180px;
  }

  .blog-card__content {
    padding: 24px;
  }

  .blog-card__title {
    font-size: 1.25rem;
  }

  .blog-post__heading {
    font-size: 1.5rem;
  }

  .blog-post__summary {
    font-size: 1.125rem;
  }
}