/* ============================================================
   Article View Page Styles (article-view.html)
   ============================================================ */

/* ── Hero ── */
.work-hero {
  padding: calc(var(--header-h) + 72px) 0 100px;
  border-bottom: var(--border-w) solid var(--border);
  background: var(--bg);
}

.work-hero-inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 36px;
  align-items: start;
}

.work-title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.03em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.work-subtitle {
  font-size: .9rem;
  line-height: 1.9;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 38px;
  border-left: var(--border-w) solid var(--border);
  padding-left: 16px;
}

/* ── Meta Card ── */
.work-meta-card {
  border: var(--border-w) solid var(--border);
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 20px;
}

.work-meta-item {
  padding: 14px 0;
  border-bottom: var(--border-w) solid var(--border);
}
.work-meta-item:first-child { padding-top: 0; }
.work-meta-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.work-meta-label {
  display: block;
  font-size: .65rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.work-meta-value {
  font-size: .78rem;
  line-height: 1.7;
  color: var(--text);
}

.work-tags {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  align-items: stretch;
}

.work-tags .article-tag {
  width: 100%;
  text-align: center;
  max-width: 8rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Section Base ── */
.work-section {
  padding: 100px 0;
  background: var(--bg);
  border-bottom: var(--border-w) solid var(--border);
}

/* ── Content Layout (article + sidebar) ── */
.work-content-section {
  padding: 80px 0 120px;
}

.work-content-wrap {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 48px;
  align-items: start;
}

/* ── Article Body ── */
.work-article {
  min-width: 0;
  color: var(--text);
  font-size: .95rem;
  line-height: 1.95;
  letter-spacing: .01em;
  overflow-wrap: break-word;
}

.work-article > *:first-child {
  margin-top: 0;
}

.work-article > *:last-child {
  margin-bottom: 0;
}

.work-article h1,
.work-article h2,
.work-article h3,
.work-article h4,
.work-article h5,
.work-article h6 {
  color: var(--text);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -.01em;
  margin-top: 44px;
  margin-bottom: 16px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.work-article h1 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin-top: 8px;
  padding-bottom: 12px;
  border-bottom: var(--border-w) solid var(--border);
}

.work-article h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  padding-bottom: 10px;
  border-bottom: var(--border-w) solid var(--border);
}

.work-article h3 {
  font-size: clamp(1.12rem, 2vw, 1.45rem);
}

.work-article h4 {
  font-size: 1.05rem;
}

.work-article h5,
.work-article h6 {
  font-size: .95rem;
  color: var(--text-muted);
}

.work-article p {
  margin: 0 0 18px;
  color: var(--text);
}

.work-article a {
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), background var(--transition);
}

.work-article a:hover {
  color: var(--text-muted);
  background: var(--bg-yellow);
}

.work-article ul,
.work-article ol {
  margin: 0 0 18px 0;
  padding-left: 1.35rem;
}

.work-article li {
  margin-bottom: 8px;
}

.work-article li > ul,
.work-article li > ol {
  margin-top: 8px;
  margin-bottom: 0;
}

.work-article blockquote {
  margin: 22px 0;
  padding: 12px 16px;
  border-left: 4px solid var(--border);
  background: var(--white);
  color: var(--text-muted);
}

.work-article hr {
  border: none;
  border-top: var(--border-w) solid var(--border);
  margin: 28px 0;
}

.work-article code {
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  font-size: .86em;
}

.work-article pre {
  margin: 22px 0;
  padding: 14px 16px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: #1e1e1e;
  color: #f3f3f3;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.work-article pre code {
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  font-size: .86rem;
  line-height: 1.7;
}

.work-article img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 22px auto;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.work-article table {
  width: 100%;
  margin: 22px 0;
  border-collapse: collapse;
  border: var(--border-w) solid var(--border);
  background: var(--white);
}

.work-article th,
.work-article td {
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

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

.article-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  min-height: 0px;
  align-items: center;
  justify-content: flex-start;
}

.article-tags span {
  padding: 6px 15px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-green);
  color: var(--text);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── Floating Sidebar ── */
.work-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 32px);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* 头像区 */
.sidebar-avatar {
  border-bottom: var(--border-w) solid var(--border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--bg-pink);
}

.sidebar-avatar-frame {
  width: 72px;
  height: 72px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  background: var(--bg-pink);
  transition: transform var(--transition), box-shadow var(--transition);
}
.sidebar-avatar-frame:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.sidebar-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sidebar-avatar-name {
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1;
}

/* 目录 */
.sidebar-toc {
  padding: 16px 20px;
  border-bottom: var(--border-w) solid var(--border);
}

.sidebar-toc-label {
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: var(--border-w) solid var(--border);
}

.sidebar-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-toc-list > li {
  margin-bottom: 4px;
}

.sidebar-toc-link {
  display: block;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--text-muted);
  padding: 5px 8px;
  border-radius: var(--radius);
  border: var(--border-w) solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  line-height: 1.4;
}
.sidebar-toc-link:hover {
  background: var(--bg-blue);
  border-color: var(--border);
  color: var(--text);
  transform: translate(-1px, -1px);
}
.sidebar-toc-link.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--border);
}

/* 返回顶部 */
.sidebar-back-top {
  display: block;
  text-align: center;
  font-size: .65rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 14px 20px;
  transition: background var(--transition), color var(--transition);
}
.sidebar-back-top:hover {
  background: var(--bg-yellow);
  color: var(--text);
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .work-content-wrap {
    grid-template-columns: 1fr 220px;
    gap: 32px;
  }
}

@media (max-width: 900px) {
  .work-hero-inner {
    grid-template-columns: 1fr;
  }

  /* 侧边栏在平板以下移到正文下方 */
  .work-content-wrap {
    grid-template-columns: 1fr;
    grid-template-areas:
      "sidebar"
      "article";
  }

  .work-article {
    grid-area: article;
  }

  .work-sidebar {
    grid-area: sidebar;
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }

  .sidebar-avatar {
    grid-row: 1 / 3;
    border-bottom: none;
    border-right: var(--border-w) solid var(--border);
  }

  .sidebar-toc {
    grid-column: 2;
    grid-row: 1;
  }

  .sidebar-back-top {
    grid-column: 2;
    grid-row: 2;
    border-top: var(--border-w) solid var(--border);
  }
}

@media (max-width: 640px) {
  .work-article {
    font-size: .9rem;
    line-height: 1.9;
  }

  .work-article h1 {
    font-size: clamp(1.45rem, 7vw, 1.8rem);
  }

  .work-article h2 {
    font-size: clamp(1.2rem, 5vw, 1.5rem);
  }

  .work-article table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .work-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar-avatar {
    grid-row: auto;
    border-right: none;
    border-bottom: var(--border-w) solid var(--border);
    flex-direction: row;
    justify-content: flex-start;
  }

  .sidebar-toc {
    grid-column: 1;
    grid-row: auto;
  }

  .sidebar-back-top {
    grid-column: 1;
    grid-row: auto;
  }

}