html, body {
  width: 100%;
  min-height: 100%;
  color: #111111;
  line-height: 1.6;
}

.page {
  margin: 0 0 0 260px;
  padding: 0 60px 0 40px;
  max-width: 680px;
}

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #999;
  text-decoration: none;
  padding: 32px 0 0;
  transition: color 0.15s;
}

.back-link:hover { color: #111; }

.back-link svg {
  width: 14px;
  height: 14px;
}

/* Article header */
.article-header {
  padding: 24px 0 32px;
  border-bottom: 1px solid #e0e0e0;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.article-date {
  font-size: 12px;
  color: #999;
  font-weight: 500;
}

.article-tag {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 3px;
}

.article-read-time {
  font-size: 12px;
  color: #bbb;
}

.article-title {
  font-size: 28px;
  font-weight: 900;
  color: #111;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.article-subtitle {
  font-size: 16px;
  color: #666;
  line-height: 1.5;
  font-weight: 400;
}

/* Article body */
.article-body {
  padding: 36px 0 48px;
}

.article-body h2 {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 28px 0 16px;
  line-height: 1.3;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body p {
  font-size: 15px;
  color: #333;
  line-height: 1.7;
  margin-bottom: 20px;
}

.article-body blockquote {
  border-left: 3px solid #e8c547;
  margin: 28px 0;
  padding: 4px 0 4px 20px;
}

.article-body blockquote p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 0;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 0;
  padding-left: 20px;
}

.article-body li {
  font-size: 15px;
  color: #333;
  line-height: 1.7;
  margin-bottom: 8px;
}

/* Share section */
.share-section {
  border-top: 1px solid #e0e0e0;
  padding: 24px 0;
}

.share-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #999;
  margin-bottom: 14px;
}

.share-buttons {
  display: flex;
  gap: 12px;
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #f5f5f5;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.share-btn:hover {
  background: #e0e0e0;
}

.share-btn svg {
  width: 18px;
  height: 18px;
  fill: #666;
}

.share-btn:hover svg {
  fill: #111;
}

.share-btn.copied {
  background: #e8f5e9;
}

.share-btn.copied svg {
  fill: #2e7d32;
}

/* Author box */
.author-box {
  border-top: 1px solid #e0e0e0;
  padding: 28px 0;
  display: flex;
  gap: 16px;
  align-items: center;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a1a2e, #0f3460);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 14px;
  font-weight: 700;
  color: #111;
  margin-bottom: 2px;
}

.author-info p {
  font-size: 12px;
  color: #666;
  line-height: 1.5;
}

/* Post navigation */
.post-nav {
  border-top: 1px solid #e0e0e0;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
}

.post-nav a {
  font-size: 13px;
  font-weight: 600;
  color: #999;
  text-decoration: none;
  transition: color 0.15s;
}

.post-nav a:hover { color: #111; }

/* Breadcrumb */
.breadcrumb {
  font-size: 12px;
  color: #767676;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: #767676;
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: #111;
}

.breadcrumb .current {
  color: #111;
  font-weight: 500;
}

/* Responsive */
@media (max-width: 900px) {
  .page {
    margin-left: 0;
    padding: 0 24px;
  }

  .article-title { font-size: 22px; }
  .article-subtitle { font-size: 14px; }
}

@media (max-width: 480px) {
  .page { padding: 0 16px; }
  .article-title { font-size: 20px; }
  .article-body h2 { font-size: 16px; }
  .article-body p { font-size: 14px; }
}