/* ============================================
   Blog Page Styles
   ============================================ */

/* Hero Banner */
.blog-hero {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-hero);
  background-image: url('../../images/blog/main.webp');
  background-size: cover;
  background-position: center;
}

.blog-hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-hero__title {
  color: #fff;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  text-align: center;
  line-height: 1.4;
  padding: var(--space-xl);
}

@media (min-width: 768px) {
  .blog-hero {
    min-height: 400px;
  }
  .blog-hero__title {
    font-size: var(--font-size-3xl);
  }
}

/* ============================================
   Two Column Layout
   ============================================ */

.blog-content {
  padding: var(--space-3xl) 0;
}

.blog-content__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
}

@media (min-width: 1024px) {
  .blog-content__grid {
    grid-template-columns: 1fr var(--sidebar-width);
  }
}

/* ============================================
   Blog Series Card
   ============================================ */

.blog-series-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: var(--space-2xl);
}

.blog-series-card__header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.blog-series-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.blog-series-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: var(--space-xl);
}

@media (min-width: 768px) {
  .blog-series-card__body {
    flex-direction: row;
    align-items: flex-start;
  }
}

.blog-series-card__image {
  flex-shrink: 0;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: #d0d0d0;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

@media (min-width: 768px) {
  .blog-series-card__image {
    width: 280px;
  }
}

.blog-series-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-series-card__image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #c0c0c0 0%, #e0e0e0 50%, #c0c0c0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-series-card__image-placeholder svg {
  width: 60px;
  height: 60px;
  opacity: 0.4;
}

.blog-series-card__text {
  flex: 1;
  min-width: 0;
}

.blog-series-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.blog-series-card__list {
  border-top: 1px solid var(--color-border);
}

.blog-series-card__list li {
  border-bottom: 1px solid var(--color-border);
}

.blog-series-card__list a {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  font-size: var(--font-size-sm);
  transition: color 0.2s;
}

.blog-series-card__list a:hover {
  color: var(--color-accent-green);
}

.blog-series-card__list time {
  flex-shrink: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.blog-series-card__list span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-series-card__action {
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

/* ============================================
   Sidebar
   ============================================ */

.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

@media (min-width: 1024px) {
  .blog-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
    align-self: start;
  }
}

.blog-sidebar__section {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
}

.blog-sidebar__heading {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent-green);
}

/* Recommended Articles */
.blog-sidebar__article-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.blog-sidebar__article-item a {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  transition: opacity 0.2s;
}

.blog-sidebar__article-item a:hover {
  opacity: 0.7;
}

.blog-sidebar__article-thumb {
  flex-shrink: 0;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #c0c0c0, #e0e0e0);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.blog-sidebar__article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-sidebar__article-info {
  flex: 1;
  min-width: 0;
}

.blog-sidebar__article-title {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: var(--space-xs);
}

.blog-sidebar__article-info time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Ranking */
.blog-sidebar__ranking-list {
  counter-reset: ranking;
  display: flex;
  flex-direction: column;
}

.blog-sidebar__ranking-list li {
  border-bottom: 1px solid var(--color-border);
}

.blog-sidebar__ranking-list li:last-child {
  border-bottom: none;
}

.blog-sidebar__ranking-list a {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  transition: color 0.2s;
}

.blog-sidebar__ranking-list a:hover {
  color: var(--color-accent-green);
}

.blog-sidebar__rank-number {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
  background-color: var(--color-accent-green);
  color: #fff;
  border-radius: 50%;
}

.blog-sidebar__rank-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-sidebar__ranking-list time {
  flex-shrink: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Categories */
.blog-sidebar__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.blog-sidebar__tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-pill);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.blog-sidebar__tag:hover {
  background-color: var(--color-accent-green);
  border-color: var(--color-accent-green);
  color: #fff;
}

/* ============================================
   Member Blog Section
   ============================================ */

.member-blog {
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-light);
}

.member-blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .member-blog__grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.member-blog__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
  transition: opacity 0.2s;
}

.member-blog__item:hover {
  opacity: 0.7;
}

.member-blog__avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, #c0c0c0, #e0e0e0);
}

.member-blog__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-blog__name {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.member-blog__action {
  text-align: center;
}