/* ══════════════════════════════════════════════════════
   BLOG — Component CSS  (mobile-first)
   ทุกค่า spacing / radius / shadow / font-size
   ใช้ CSS custom properties จาก style.css เท่านั้น
   ══════════════════════════════════════════════════════ */

/* ── Blog Page Shell ─────────────────────────── */
.blog-page {
  background-color: var(--color-surface-muted);
}

.blog-wrapper {
  width: 100%;
  max-width: 120rem;
  margin: 0 auto;
  padding: var(--section-py) var(--section-px);
}

/* ── Blog Layout (sidebar + main) ───────────── */
.blog-layout {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
}

@media (min-width: 1024px) {
  .blog-layout {
    flex-direction: row;
    align-items: flex-start;
  }
}

/* ── Main Column ─────────────────────────────── */
.blog-main,
.post-content {
  width: 100%;
  min-width: 0;
}

@media (min-width: 1024px) {
  .blog-main,
  .post-content {
    flex: 1 1 0%;
  }
}

/* ── Post Grid ───────────────────────────────── */
.post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--section-gap);
}

@media (min-width: 540px) {
  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Post Card ───────────────────────────────── */
.post-card {
  background: var(--color-surface-base);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-secondary);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
  will-change: transform;
}

@media (pointer: fine) {
  .post-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 3.2rem rgba(12, 160, 223, 0.22);
  }
}

/* Card image */
.post-card__img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-subtle);
  height: 18rem; /* fallback iOS */
}

@supports (aspect-ratio: 16 / 10) {
  .post-card__img-wrap {
    height: auto;
    aspect-ratio: 16 / 10;
  }
}

.post-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

@media (pointer: fine) {
  .post-card:hover .post-card__img-wrap img {
    transform: scale(1.05);
  }
}

/* Date badge */
.post-card__date {
  position: absolute;
  bottom: var(--radius-lg);
  left: var(--radius-lg);
  width: 4.8rem;
  height: 4.8rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.1;
  z-index: 2;
  box-shadow: 0 2px 8px var(--color-shadow-md);
}

.post-card__date-day {
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1;
}

.post-card__date-month {
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Card body */
.post-card__body {
  padding: var(--card-py) var(--card-px);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.post-card__title {
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1.35;
  transition: color var(--transition-base);
}

.post-card__title a {
  color: var(--color-text-base);
}

.post-card__title a:hover,
.post-card:hover .post-card__title {
  color: var(--color-primary);
}

.post-card__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
  line-height: 1.6;
  flex: 1;
}

/* Card meta */
.post-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-subtle);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 1rem;
  margin-top: auto;
}

.post-card__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 0.6rem;
  white-space: nowrap;
}

.post-card__meta-item:first-child {
  padding-left: 0;
}

.post-card__meta-sep {
  color: var(--color-border-subtle);
  font-size: var(--font-size-sm);
  font-weight: 300;
  user-select: none;
}

/* ── Pagination ───────────────────────────────── */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--section-gap);
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.8rem;
  height: 3.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface-base);
  font-size: var(--font-size-sm);
  font-weight: 500;
  font-family: inherit;
  color: var(--color-text-subtle);
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.page-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-card);
}

/* ══════════════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════════════ */
.blog-sidebar {
  width: 100%;
}

@media (min-width: 768px) and (max-width: 1023px) {
  .blog-sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--section-gap);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .blog-sidebar {
    width: 28rem;
    flex-shrink: 0;
  }
}

/* Widget card */
.sidebar-widget {
  background: var(--color-surface-base);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-secondary);
  box-shadow: var(--shadow-card);
  padding: var(--card-py) var(--card-px);
  margin-bottom: var(--section-gap);
}

@media (min-width: 768px) and (max-width: 1023px) {
  .sidebar-widget {
    margin-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .sidebar-widget:last-child {
    margin-bottom: 0;
  }
}

.widget-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-emphasis);
  margin-bottom: 1.4rem;
}

/* Search */
.search-box {
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 0.9rem 3.6rem 0.9rem var(--radius-lg);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--color-text-base);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border-subtle);
  outline: none;
  appearance: none;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12, 160, 223, 0.1);
}

.search-box input::placeholder {
  color: var(--color-text-muted);
}

.search-icon {
  position: absolute;
  right: var(--radius-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Categories */
.widget-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
  margin-bottom: 1.2rem;
  line-height: 1.5;
}

.category-list li {
  padding: 0.4rem 0;
}

.category-list a {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  transition: color var(--transition-base);
}

.category-list a:hover {
  color: var(--color-primary);
}
.category-list a.is-active {
  color: var(--color-primary);
  font-weight: 600;
}

.cat-dot {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--color-border-subtle);
  flex-shrink: 0;
}
.cat-dot.is-active {
  background: var(--color-primary);
}

/* Latest News */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
}

.news-item {
  display: flex;
  gap: var(--radius-lg);
  align-items: flex-start;
}

.news-item__thumb {
  width: 6rem;
  height: 6rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-surface-subtle);
}

.news-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-item__info {
  flex: 1;
  min-width: 0;
}

.news-item__date {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.news-item__title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-base);
  line-height: 1.4;
  cursor: pointer;
  transition: color var(--transition-base);
}
.news-item__title:hover {
  color: var(--color-primary);
}

/* Popular Tags */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag-item {
  display: inline-block;
  padding: var(--btn-padding-sm);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  color: var(--color-text-subtle);
  background: var(--color-surface-muted);
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}

.tag-item:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ══════════════════════════════════════════════════════
   BLOG SINGLE
   ══════════════════════════════════════════════════════ */
.post-header {
  margin-bottom: var(--section-gap);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--section-gap);
  color: var(--color-text-subtle);
  font-size: var(--font-size-sm);
  margin-bottom: 1.2rem;
}
.post-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.post-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-emphasis);
}
@media (min-width: 768px) {
  .post-title {
    font-size: calc(var(--font-size-xl) * 1.3);
  }
}

.post-intro {
  font-size: var(--font-size-md);
  color: var(--color-text-subtle-high);
  margin-bottom: var(--section-gap);
  line-height: 1.7;
}

.post-thumbnail {
  margin-bottom: var(--section-gap);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.post-thumbnail img {
  width: 100%;
  object-fit: cover;
}

.post-body p {
  font-size: var(--font-size-md);
  color: var(--color-text-subtle-high);
  line-height: 1.8;
  margin-bottom: var(--section-gap);
}
.post-body h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-emphasis);
  margin-top: calc(var(--section-gap) * 1.5);
  margin-bottom: 1.2rem;
}

/* Post footer */
.post-footer {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
  padding: var(--section-gap) 0;
  margin-top: var(--section-gap);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}
@media (min-width: 576px) {
  .post-footer {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.post-tags,
.post-share {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: var(--font-size-sm);
}
.post-tags span,
.post-share span {
  color: var(--color-text-base);
  font-weight: 600;
}

.tag-pill {
  padding: var(--btn-padding-sm);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-secondary);
  background: var(--color-surface-muted);
  color: var(--color-text-subtle);
  font-size: var(--font-size-xs);
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}
.tag-pill:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.social-links {
  display: flex;
  gap: 0.8rem;
}
.social-links a {
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 50%;
  border: 1px solid var(--color-border-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  font-size: var(--font-size-sm);
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}
.social-links a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Comments */
.comments-area {
  margin-top: calc(var(--section-gap) * 1.5);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-emphasis);
  margin-bottom: var(--section-gap);
}

.comment-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.comment-item {
  display: flex;
  gap: var(--section-gap);
  padding-bottom: var(--section-gap);
  margin-bottom: var(--section-gap);
  border-bottom: 1px solid var(--color-border-subtle);
}
.comment-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.comment-avatar {
  flex-shrink: 0;
}
.comment-avatar img {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  object-fit: cover;
}

.comment-content {
  flex: 1;
  min-width: 0;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.8rem;
  gap: 1rem;
}

.comment-author {
  font-weight: 700;
  color: var(--color-emphasis);
  font-size: var(--font-size-md);
  margin-bottom: 0.2rem;
}
.comment-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.btn-reply {
  padding: var(--btn-padding-sm);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-subtle);
  font-size: var(--font-size-xs);
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition:
    border-color var(--transition-base),
    color var(--transition-base);
}
.btn-reply:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.comment-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle-high);
  line-height: 1.7;
}

/* Comment form */
.comment-respond {
  margin-top: var(--section-gap);
  padding-top: var(--section-gap);
  border-top: 1px solid var(--color-border-subtle);
}

.comment-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--section-gap);
  margin-bottom: var(--section-gap);
}
@media (min-width: 768px) {
  .comment-form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-control {
  width: 100%;
  padding: var(--card-py) var(--card-px);
  font-family: inherit;
  font-size: var(--font-size-sm);
  color: var(--color-text-base);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-sm);
  outline: none;
  appearance: none;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}
.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12, 160, 223, 0.1);
}
textarea.form-control {
  resize: vertical;
  min-height: 15rem;
  margin-bottom: var(--section-gap);
}

.btn-submit {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--btn-padding-md);
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}
.btn-submit:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

/* Screen-reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ── WordPress Pagination Override ──────────────────────────────────────────
   arm_pagination() ใช้ paginate_links() ซึ่ง render class .pagination
   ต้อง override ให้ตรงกับ design ต้นฉบับ
   ──────────────────────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--section-gap);
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.8rem;
  height: 3.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface-base);
  font-size: var(--font-size-sm);
  font-weight: 500;
  font-family: inherit;
  color: var(--color-text-subtle);
  text-decoration: none;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}

.pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination .current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 700;
}

.pagination .dots {
  border: none;
  background: none;
  cursor: default;
  color: var(--color-text-muted);
}