/* ============================================================
   BLOG — 博客专区
   统一 Wabi-Sabi Ink 水墨侘寂风格
   ============================================================ */

/* === Hero === */
.blog-hero {
  text-align: center;
  padding: 5rem 2rem 2rem;
  position: relative;
  z-index: 1;
}

.blog-hero-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--ink-faint);
  padding: 0.5rem 1.5rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.blog-hero-title {
  font-family: var(--display);
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 300;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: 0.5rem;
  font-style: italic;
}

.blog-hero-sub {
  font-family: var(--display);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: var(--moss);
  font-style: italic;
}

/* === 文章列表 === */
.blog-list {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem 2rem 4rem;
  position: relative;
  z-index: 1;
}

.blog-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--ink-faint);
  box-shadow: 0 6px 20px rgba(26,26,26,0.04);
  padding: 2rem;
  margin-bottom: 1.5rem;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(26,26,26,0.08);
}

.blog-card-date {
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--moss);
}

.blog-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.blog-card-author {
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--ink-dim);
  padding: 0.25rem 0.8rem;
  border: 1px solid var(--ink-faint);
  border-radius: 100px;
  background: transparent;
}

.blog-card-title {
  font-family: var(--display);
  font-size: clamp(1.3rem, 3.5vw, 1.8rem);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.blog-card-excerpt {
  font-family: var(--body);
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.7;
}

.blog-card-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.45rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.25rem 0.8rem;
  border: 1px solid var(--ink-faint);
  border-radius: 100px;
  background: transparent;
  color: var(--ink-dim);
  margin-top: 1rem;
}

/* === 空状态 === */
.blog-empty {
  text-align: center;
  padding: 5rem 2rem;
}

.blog-empty-icon {
  font-size: 3rem;
  opacity: 0.2;
  margin-bottom: 1rem;
}

.blog-empty-text {
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--ink-faint);
  font-style: italic;
}

/* === 阅读视图 === */
.blog-reader-view {
  position: relative;
  z-index: 1;
}

.blog-reader-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 2rem 0;
}

.blog-back {
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--moss);
  transition: color 0.3s;
}
.blog-back:hover { color: var(--clay); }

.blog-reader-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 2px;
  color: var(--ink-dim);
  text-align: right;
}

.blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 3rem;
  background: var(--white);
  border: 1px solid var(--ink-faint);
  box-shadow: 0 8px 30px rgba(26,26,26,0.06);
  margin-top: 1.5rem;
  margin-bottom: 3rem;
  line-height: 1.85;
  font-size: 0.92rem;
  color: var(--ink);
}

/* Markdown 渲染样式 */
.blog-article h1 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 500;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
  font-style: italic;
}

.blog-article-meta {
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--ink-dim);
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.blog-article h2 {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 500;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
  font-style: italic;
}

.blog-article h3 {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 500;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-style: italic;
}

.blog-article p {
  margin-bottom: 1rem;
  color: var(--ink-dim);
}

.blog-article a {
  color: var(--moss);
  text-decoration: underline;
}

.blog-article ul, .blog-article ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  color: var(--ink-dim);
}

.blog-article li {
  margin-bottom: 0.3rem;
}

.blog-article blockquote {
  border-left: 2px solid var(--moss);
  padding: 0.5rem 1.2rem;
  margin: 1rem 0;
  background: var(--bg-alt);
  font-style: italic;
  color: var(--ink-dim);
}

.blog-article code {
  font-family: var(--mono);
  font-size: 0.82rem;
  background: var(--bg-alt);
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
}

.blog-article pre {
  background: var(--ink);
  color: var(--bg);
  padding: 1rem;
  border-radius: 2px;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.blog-article pre code {
  background: none;
  padding: 0;
}

.blog-article img {
  max-width: 100%;
  border-radius: 2px;
  margin: 1rem 0;
}

.blog-article hr {
  border: none;
  height: 1px;
  background: var(--ink-faint);
  margin: 2rem 0;
}

.blog-article table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.blog-article th, .blog-article td {
  border: 1px solid var(--ink-faint);
  padding: 0.5rem;
  text-align: left;
}

.blog-article th {
  background: var(--bg);
  font-weight: 500;
}

/* === 文章底部 === */
.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.8rem;
}

.blog-card-link {
  font-size: 1rem;
  opacity: 0.3;
  transition: opacity 0.3s;
  cursor: pointer;
  text-decoration: none;
}

.blog-card-link:hover {
  opacity: 0.8;
}

/* === 分享按钮 === */
.blog-share-btn {
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--ink-dim);
  text-decoration: none;
  border: 1px solid var(--ink-faint);
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s;
}

.blog-share-btn:hover {
  border-color: var(--moss);
  color: var(--moss);
}

/* === Toast === */
.blog-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: var(--bg);
  padding: 0.8rem 1.5rem;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.65rem;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  border: 1px solid var(--moss);
  max-width: 90vw;
  word-break: break-all;
}

.blog-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* === 阅读视图meta === */
.blog-reader-meta {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 2px;
  color: var(--ink-dim);
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

/* === 响应式 === */
@media (max-width: 768px) {
  .blog-hero { padding: 4rem 1rem 1.5rem; }
  .blog-list { padding: 1rem 1rem 3rem; }
  .blog-card { padding: 1.5rem; box-shadow: 0 4px 15px rgba(26,26,26,0.04); }
  .blog-card:hover { box-shadow: 0 8px 25px rgba(26,26,26,0.08); }
  .blog-article { padding: 2rem 1.5rem; box-shadow: 0 5px 20px rgba(26,26,26,0.05); margin-left: 0.6rem; margin-right: 0.6rem; }
  .blog-reader-bar { padding: 1.5rem 1rem 0; }
}

@media (max-width: 480px) {
  .blog-card { padding: 1.2rem; }
  .blog-article { padding: 1.5rem 1.2rem; font-size: 0.86rem; }
}