/**
 * 單篇文章頁面樣式
 */

/* ========== 頁面容器 ========== */
body.single-post {
}

.single-article-page {
  width: 100%;
  margin-bottom: 236px;
}

.single-article-page .container {
  max-width: 1440px;
}

/* ========== 第一區塊：首圖 ========== */
.single-article-hero {
  width: 100%;
  margin: 0;
  padding: 0;
}

.single-article-hero .hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.section-extended-reading {
  padding: 0;
}

/* ========== 文章主體 ========== */
.single-post {
  padding: 0;
  margin: 0 auto;
  width: 100%;
}

/* ========== 麵包屑（使用全局樣式） ========== */
/* 麵包屑樣式已在 layout.css 中定義，無需重複 */
.breadcrumb {
  margin-bottom: var(--spacing-xl);
  margin-top: 150px;
  background: transparent;
  padding: 0;
}

.breadcrumb a {
  color: #000;
  font-size: 20px;
}

.breadcrumb > * {
  font-size: 20px;
  color: #000;
  align-content: center;
}

/* ========== 標題 ========== */
.single-post__header {
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.single-post__title {
  font-size: 2rem;
  font-weight: 400;
  color: #000;
  line-height: 1.3;
  margin: 0;
}

/* ========== 文章圖 ========== */
.single-post__thumbnail {
  margin: 60px 0 0;
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.single-post__thumbnail img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========== 內文 ========== */
.single-post__content {
  font-size: 1.125rem;
  line-height: 1.8;
  color: #000;
}

.single-post__content p {
  color: #000;
}

.single-post__content h2,
.single-post__content h3,
.single-post__content h4 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  color: #000;
}

.single-post__content h2 {
  font-size: 2rem;
  font-weight: 600;
}

.single-post__content h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

.single-post__content h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

.single-post__content ul,
.single-post__content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.single-post__content li {
  margin-bottom: var(--spacing-sm);
}

.single-post__content a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-base);
}

.single-post__content a:hover {
  color: var(--color-primary-dark);
}

.single-post__content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
  margin: var(--spacing-xl) 0;
}

.single-post__content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  font-style: italic;
  color: #666;
}

.single-post__content code {
  background-color: #f5f5f5;
  padding: 0.2em 0.4em;
  border-radius: var(--border-radius-sm);
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}

.single-post__content pre {
  background-color: #f5f5f5;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
}

.single-post__content pre code {
  background: none;
  padding: 0;
}

/* ========== 無文章提示 ========== */
.no-posts {
  text-align: center;
  padding: var(--spacing-4xl) 0;
}

.no-posts h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  color: #000;
}

.no-posts p {
  font-size: 1.125rem;
  color: #666;
}

.mobile-br {
  display: none;
}

/* ========== 響應式：平板版 ========== */
@media (max-width: 1024px) {
  .single-post {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
  }

  .single-post__title {
    font-size: 2rem;
  }

  .single-post__content {
    font-size: 1rem;
  }

  .single-post__content h2 {
    font-size: 1.75rem;
  }

  .single-post__content h3 {
    font-size: 1.375rem;
  }

  .single-post__content h4 {
    font-size: 1.125rem;
  }
}

/* ========== 響應式：手機版 ========== */
@media (max-width: 768px) {
  .single-post {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
  }

  .breadcrumb {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
  }

  .single-post__categories {
    gap: 0.5rem;
    margin-bottom: var(--spacing-lg);
  }

  .single-post__categories .category-tag {
    padding: 0.4rem 0.875rem;
    font-size: 0.875rem;
    gap: 0.375rem;
  }

  .single-post__categories .category-tag .arrow-down {
    width: 14px;
    height: 14px;
  }

  .single-post__header {
    margin-bottom: var(--spacing-lg);
  }

  .single-post__title {
    font-size: 1.75rem;
  }

  .single-post__thumbnail {
    margin-bottom: var(--spacing-lg);
  }

  .single-post__content {
    font-size: 1rem;
    line-height: 1.7;
  }

  .single-post__content h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-xl);
  }

  .single-post__content h3 {
    font-size: 1.25rem;
  }

  .single-post__content h4 {
    font-size: 1.125rem;
  }

  .single-post__content p {
    margin-bottom: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .single-article-page .container {
    max-width: 326px;
  }
  .single-article-page {
    width: 100%;
    margin-bottom: 82px;
  }

  .single-post {
    padding: 1.5rem 0 0;
  }
  .breadcrumb a {
    font-size: 12px;
  }

  .breadcrumb > * {
    font-size: 12px;
  }

  .single-post__title {
    font-size: 16px;
  }
  .single-post__header {
    margin-bottom: 0;
  }

  .single-post__thumbnail {
    margin: 20px 0 0;
  }

  .single-post__content {
    margin: 20px 0;
  }

  .mobile-br {
    display: block;
  }
}