/* ===========================
 * Single Post
 * =========================== */
.single-post-main {
  padding: 48px 0 80px;
  background: var(--color-bg);
}

article.single-post {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 40px 48px;
  animation: fadeSlideUp 0.5s ease both;
}

/* Meta */
.single-post__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.single-post__date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
}

.single-post__date svg {
  color: var(--color-secondary);
}

.single-post__cat {
  display: inline-block;
  padding: 3px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s;
}

.single-post__cat:hover {
  opacity: 0.85;
}

/* Thumbnail */
.single-post__thumbnail {
  margin-bottom: 32px;
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* Content */
.single-post__content {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text);
}

.single-post__content p {
  margin-bottom: 1.5em;
}

.single-post__content p:last-child {
  margin-bottom: 0;
}

.single-post__content h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 2em 0 0.8em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
}

.single-post__content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 1.8em 0 0.6em;
  padding-left: 12px;
  border-left: 3px solid var(--color-secondary);
}

.single-post__content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 1.5em 0 0.5em;
}

.single-post__content ul,
.single-post__content ol {
  margin: 1em 0;
  padding-left: 1.5em;
}

.single-post__content li {
  margin-bottom: 0.4em;
}

.single-post__content blockquote {
  margin: 1.5em 0;
  padding: 16px 20px;
  border-left: 3px solid var(--color-accent);
  background: rgba(var(--color-accent-rgb, 197,165,90), 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text-light);
}

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

.single-post__content a {
  color: var(--color-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.single-post__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

.single-post__content th,
.single-post__content td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.9rem;
}

.single-post__content th {
  background: var(--color-bg);
  font-weight: 700;
}

/* Tags */
.single-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.single-post__tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--color-bg);
  color: var(--color-text-light);
  text-decoration: none;
  transition: all 0.2s;
}

.single-post__tag:hover {
  background: var(--color-primary);
  color: #fff;
}

/* Share */
.single-post__share {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.single-post__share-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.single-post__share-btns {
  display: flex;
  gap: 10px;
}

.single-post__share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: #fff;
  transition: opacity 0.2s, transform 0.2s;
}

.single-post__share-btn:hover {
  opacity: 0.85;
  transform: scale(1.08);
}

.single-post__share-btn--x    { background: #000; }
.single-post__share-btn--fb   { background: #1877f2; }
.single-post__share-btn--line { background: #06c755; }

/* ===========================
 * Post Navigation
 * =========================== */
.post-nav {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 2px solid var(--color-border);
  animation: fadeSlideUp 0.5s ease 0.15s both;
}

.post-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.post-nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  padding: 12px 16px;
  border-radius: var(--radius);
  transition: all 0.2s;
  max-width: 260px;
  min-width: 0;
}

.post-nav__link:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.post-nav__link svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.post-nav__label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.post-nav__title {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
}

.post-nav__list-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s;
  flex-shrink: 0;
}

.post-nav__list-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ===========================
 * Responsive
 * =========================== */
@media (max-width: 768px) {
  article.single-post {
    padding: 24px 20px;
  }

  .single-post__content h2 { font-size: 1.2rem; }
  .single-post__content h3 { font-size: 1rem; }

  .single-post__share {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .post-nav__inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .post-nav__link {
    max-width: none;
    flex: 1;
    min-width: 120px;
  }

  .post-nav__title {
    max-width: 100px;
    font-size: 0.8rem;
  }
}