/* ==========================================================================
   XFM Theme · components.css
   卡片 / 挂件 / 搜索 / 分页 / 归档 / 标签 / 评论 / 404
   ========================================================================== */

/* --------------------------------------------------------------------------
   通用区块标题
   -------------------------------------------------------------------------- */
.section-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--c-text);
}

.section-head .xfm-icon {
  color: var(--xfm-primary);
}

.section-head h3 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* --------------------------------------------------------------------------
   按钮
   -------------------------------------------------------------------------- */
.xfm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--xfm-radius);
  border: 1px solid transparent;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.xfm-btn:active {
  transform: translateY(1px);
}

.btn-fill {
  color: #fff;
  background: linear-gradient(135deg, var(--xfm-primary), color-mix(in srgb, var(--xfm-primary) 62%, #8b5cf6));
  box-shadow: 0 6px 18px rgba(var(--xfm-primary-rgb), 0.26);
}

.btn-fill:hover {
  color: #fff;
  box-shadow: 0 10px 26px rgba(var(--xfm-primary-rgb), 0.34);
  transform: translateY(-1px);
}

.btn-outline {
  color: var(--c-text-soft);
  background: var(--c-surface);
  border-color: var(--c-border-strong);
}

.btn-outline:hover {
  color: var(--xfm-primary);
  border-color: var(--c-primary-soft);
  background: var(--c-primary-bg);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   首页 Hero
   -------------------------------------------------------------------------- */
.hero-panel {
  position: relative;
  margin-bottom: 30px;
  padding: 34px 38px;
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--xfm-radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(var(--xfm-primary-rgb), 0.16), transparent 68%);
  pointer-events: none;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto auto -60% -10%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.13), transparent 68%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hero-greeting {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.hero-avatar {
  flex: none;
  width: 68px;
  height: 68px;
  padding: 3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--xfm-primary), #a855f7);
  box-shadow: 0 8px 22px rgba(var(--xfm-primary-rgb), 0.28);
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--c-surface);
}

.hero-title {
  font-size: 26px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin-top: 5px;
  font-size: 14px;
  color: var(--c-text-muted);
}

.hero-stats {
  display: flex;
  gap: 12px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 84px;
  padding: 12px 14px;
  border-radius: var(--xfm-radius);
  background: var(--c-surface-alt);
  border: 1px solid var(--c-border);
  transition: transform var(--t-base) var(--ease), border-color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.hero-stat:hover {
  transform: translateY(-3px);
  border-color: var(--c-primary-soft);
  box-shadow: var(--shadow-md);
}

.stat-num {
  font-size: 21px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 11.5px;
  color: var(--c-text-muted);
}

/* --------------------------------------------------------------------------
   文章列表
   -------------------------------------------------------------------------- */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.post-layout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
  gap: 22px;
}

/* ---- 卡片 ---- */
.post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--xfm-radius-lg);
  box-shadow: var(--shadow-xs);
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease);
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-strong);
  box-shadow: var(--shadow-lg);
}

/* 带封面的卡片：横向结构 */
.post-card.has-cover {
  flex-direction: row;
  align-items: stretch;
}

.post-card.has-cover .post-cover {
  position: relative;
  flex: none;
  width: 40%;
  max-width: 320px;
  overflow: hidden;
  background: var(--c-surface-hover);
}

.post-card.has-cover.is-flip .post-cover {
  order: 2;
}

.post-cover img {
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease-out), filter var(--t-base) var(--ease);
}

.post-card:hover .post-cover img {
  transform: scale(1.06);
}

.cover-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}

.post-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
  padding: 22px 24px;
}

.post-card.has-cover .post-body {
  padding: 24px 26px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--c-text-muted);
}

.post-cat a {
  color: var(--xfm-primary);
  font-weight: 600;
}

.post-cat a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-cat i {
  font-style: normal;
  margin-right: 4px;
  color: var(--c-text-faint);
}

.post-badge {
  padding: 2px 8px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--c-warning);
  background: var(--c-warning-bg);
  border-radius: 20px;
}

.post-title {
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.post-title a {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--c-text);
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1.5px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size var(--t-base) var(--ease), color var(--t-fast) var(--ease);
}

.post-card:hover .post-title a {
  color: var(--xfm-primary);
  background-size: 100% 1.5px;
}

.post-excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-text-muted);
}

.post-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 6px;
}

.post-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--xfm-primary);
}

.post-more .xfm-icon {
  width: 15px;
  height: 15px;
  transition: transform var(--t-base) var(--ease-out);
}

.post-more:hover .xfm-icon {
  transform: translateX(4px);
}

.post-stat {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--c-text-faint);
}

.post-stat > span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  font-size: 11.5px;
  color: var(--c-text-muted);
  background: var(--c-surface-alt);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.tag-chip .xfm-icon {
  width: 11px;
  height: 11px;
  opacity: 0.7;
}

.tag-chip:hover {
  color: var(--xfm-primary);
  background: var(--c-primary-bg);
  border-color: var(--c-primary-soft);
  transform: translateY(-1px);
}

/* ---- 紧凑列表 ---- */
.post-layout-list {
  gap: 12px;
}

.post-layout-list .post-card {
  flex-direction: row;
  align-items: center;
  gap: 4px;
  padding: 14px 20px;
  border-radius: var(--xfm-radius);
}

.post-layout-list .post-card:hover {
  transform: translateX(3px);
}

.post-layout-list .post-body {
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 0;
}

.post-layout-list .post-meta {
  order: 1;
  width: auto;
}

.post-layout-list .post-title {
  order: 0;
  flex: 1 1 320px;
  font-size: 16px;
}

.post-layout-list .post-title a {
  -webkit-line-clamp: 1;
}

.post-layout-list .post-excerpt {
  display: none;
}

.post-layout-list .post-footer,
.post-layout-list .post-tags {
  display: none;
}

.post-layout-list .post-stat {
  order: 2;
  margin-left: auto;
}

/* ---- grid 布局下的封面卡片 ---- */
.post-layout-grid .post-card.has-cover {
  flex-direction: column;
}

.post-layout-grid .post-card.has-cover .post-cover {
  width: 100%;
  max-width: none;
  aspect-ratio: 16 / 9;
}

.post-layout-grid .post-card.has-cover.is-flip .post-cover {
  order: 0;
}

.post-layout-grid .post-cover img {
  min-height: 0;
  height: 100%;
}

/* ---- 传统形态 ---- */
.post-layout-classic .post-card {
  flex-direction: column !important;
  border-radius: var(--xfm-radius);
  box-shadow: none;
}

.post-layout-classic .post-card:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   分页
   -------------------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.page-btn,
.page-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 36px;
  height: 36px;
  padding: 0 11px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-text-soft);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--xfm-radius-sm);
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-btn:hover,
.page-number:hover {
  color: var(--xfm-primary);
  border-color: var(--c-primary-soft);
  background: var(--c-primary-bg);
}

.page-btn:hover {
  transform: translateY(-1px);
}

.page-btn .xfm-icon {
  width: 15px;
  height: 15px;
}

.page-numbers {
  display: flex;
  gap: 6px;
}

.page-number.is-current {
  color: #fff;
  background: var(--xfm-primary);
  border-color: var(--xfm-primary);
  box-shadow: 0 4px 12px rgba(var(--xfm-primary-rgb), 0.28);
}

.page-btn-text {
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   页面头部
   -------------------------------------------------------------------------- */
.page-head {
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-border);
}

.page-title {
  font-size: 27px;
  letter-spacing: -0.02em;
}

.page-subtitle {
  margin-top: 7px;
  font-size: 14px;
  color: var(--c-text-muted);
}

.page-view-head {
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--c-border);
}

.page-view-title {
  font-size: 30px;
  letter-spacing: -0.025em;
}

.page-view-desc {
  margin-top: 9px;
  font-size: 15px;
  color: var(--c-text-muted);
}

.page-view-head .post-view-meta {
  margin-top: 12px;
}

/* --------------------------------------------------------------------------
   面包屑
   -------------------------------------------------------------------------- */
.breadcrumb {
  margin-bottom: 18px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: var(--c-text-muted);
}

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.breadcrumb-list li + li::before {
  content: "";
  width: 4px;
  height: 4px;
  margin-right: 3px;
  border-radius: 50%;
  background: var(--c-text-faint);
  opacity: 0.6;
}

.breadcrumb-list a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--c-text-muted);
}

.breadcrumb-list a:hover {
  color: var(--xfm-primary);
}

.breadcrumb-list .is-current {
  color: var(--c-text-soft);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   侧边挂件
   -------------------------------------------------------------------------- */
.widget {
  padding: 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--xfm-radius-lg);
  box-shadow: var(--shadow-xs);
}

.widget-head {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--c-border);
}

.widget-head .xfm-icon {
  color: var(--xfm-primary);
}

.widget-head h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.widget-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.widget-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--xfm-radius-sm);
  font-size: 13.5px;
  color: var(--c-text-soft);
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.widget-list li a:hover {
  color: var(--xfm-primary);
  background: var(--c-surface-hover);
}

.widget-recent .recent-title {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.widget-recent .recent-date {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--c-text-faint);
}

.count-list .item-count {
  flex: none;
  min-width: 22px;
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  color: var(--c-text-muted);
  background: var(--c-surface-hover);
  border-radius: 20px;
}

.count-list .item-name {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.widget-empty {
  display: block;
  padding: 12px 10px;
  font-size: 13px;
  color: var(--c-text-faint);
  text-align: center;
}

/* ---- 个人名片 ---- */
.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.profile-avatar {
  width: 82px;
  height: 82px;
  padding: 3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--xfm-primary), #a855f7);
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--c-surface);
}

.profile-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.profile-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-muted);
}

.profile-stats {
  display: flex;
  width: 100%;
  margin-top: 6px;
  border-top: 1px solid var(--c-border);
}

.profile-stats a {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 12px 4px;
  color: var(--c-text-soft);
  transition: background-color var(--t-fast) var(--ease);
}

.profile-stats a:hover {
  background: var(--c-surface-hover);
}

.profile-stats a:first-child { border-radius: 0 0 0 var(--xfm-radius-sm); }
.profile-stats a:last-child { border-radius: 0 0 var(--xfm-radius-sm) 0 0; }

.profile-stats strong {
  font-size: 17px;
  font-weight: 800;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}

.profile-stats span {
  font-size: 11px;
  color: var(--c-text-muted);
}

.profile-social {
  margin-top: 4px;
}

/* ---- 社交图标 ---- */
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.social-item {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--c-text-muted);
  background: var(--c-surface-alt);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.social-item .xfm-icon {
  width: 17px;
  height: 17px;
}

.social-item:hover {
  color: #fff;
  background: var(--xfm-primary);
  border-color: var(--xfm-primary);
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 6px 14px rgba(var(--xfm-primary-rgb), 0.3);
}

/* ---- 标签云 ---- */
.tagcloud {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tagcloud-item {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  color: var(--c-text-soft);
  background: var(--c-surface-alt);
  border: 1px solid var(--c-border);
  transition: transform var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.tagcloud .tag-name {
  font-size: calc(12px * var(--tag-weight, 1));
  line-height: 1.5;
  font-weight: 600;
}

.tagcloud .tag-count {
  font-size: 10px;
  font-weight: 700;
  color: var(--c-text-faint);
}

.tagcloud-item:hover {
  transform: translateY(-2px);
  color: #fff;
  background: var(--xfm-primary);
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(var(--xfm-primary-rgb), 0.3);
}

.tagcloud-item:hover .tag-count {
  color: rgba(255, 255, 255, 0.8);
}

.tagcloud-item.is-plain:hover {
  background: var(--c-primary-bg);
  color: var(--xfm-primary);
  border-color: var(--c-primary-soft);
  box-shadow: none;
}

.tagcloud-item.is-plain:hover .tag-count {
  color: var(--xfm-primary);
}

.tagcloud.full {
  gap: 10px;
  margin-bottom: 28px;
  padding: 22px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--xfm-radius-lg);
}

/* ---- 分类云 ---- */
.category-cloud {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.category-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--xfm-radius);
  box-shadow: var(--shadow-xs);
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease);
}

.category-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--xfm-primary);
  opacity: calc(0.3 + (var(--cat-index, 0) % 5) * 0.14);
}

.category-item:nth-child(3n+2)::before { background: #a855f7; }
.category-item:nth-child(3n+3)::before { background: #06b6d4; }

.category-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-border-strong);
}

.category-name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--c-text);
}

.category-count {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-text-muted);
  font-variant-numeric: tabular-nums;
}

.category-block {
  padding: 20px 22px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--xfm-radius-lg);
}

.category-title {
  font-size: 17px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
}

.category-title a {
  color: var(--c-text);
}

.category-title a:hover {
  color: var(--xfm-primary);
}

.category-title i {
  margin-left: 7px;
  font-size: 13px;
  font-style: normal;
  font-weight: 600;
  color: var(--c-text-faint);
}

.category-posts {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.category-posts li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 10px;
  border-radius: var(--xfm-radius-sm);
  font-size: 13.5px;
  color: var(--c-text-soft);
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.category-posts li a:hover {
  color: var(--xfm-primary);
  background: var(--c-surface-hover);
}

.category-posts time {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--c-text-faint);
}

.category-posts span {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   归档时间轴
   -------------------------------------------------------------------------- */
.archive-timeline {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.archive-year {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.archive-year i {
  padding: 2px 9px;
  font-size: 11.5px;
  font-style: normal;
  font-weight: 700;
  color: var(--xfm-primary);
  background: var(--c-primary-bg);
  border-radius: 20px;
}

.archive-list {
  display: flex;
  flex-direction: column;
}

.archive-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  border-left: 2px solid var(--c-border);
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.archive-item::before {
  content: "";
  position: absolute;
  left: -6px;
  width: 10px;
  height: 10px;
  background: var(--c-surface);
  border: 2px solid var(--c-border-strong);
  border-radius: 50%;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.archive-item:hover {
  border-color: var(--c-primary-soft);
  background: var(--c-surface);
}

.archive-item:hover::before {
  border-color: var(--xfm-primary);
  transform: scale(1.25);
}

.archive-date {
  flex: none;
  width: 48px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-text-faint);
}

.archive-title {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14.5px;
  color: var(--c-text-soft);
}

.archive-title:hover {
  color: var(--xfm-primary);
}

.archive-cat {
  flex: none;
  padding: 2px 9px;
  font-size: 11px;
  color: var(--c-text-muted);
  background: var(--c-surface-alt);
  border: 1px solid var(--c-border);
  border-radius: 20px;
}

/* --------------------------------------------------------------------------
   空状态
   -------------------------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 64px 20px;
  color: var(--c-text-muted);
  background: var(--c-surface);
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--xfm-radius-lg);
}

.empty-icon {
  width: 42px;
  height: 42px;
  color: var(--c-text-faint);
  opacity: 0.55;
}

/* --------------------------------------------------------------------------
   友链卡片
   -------------------------------------------------------------------------- */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
  gap: 16px;
}

/* --------------------------------------------------------------------------
   搜索面板
   -------------------------------------------------------------------------- */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  justify-content: center;
  padding: 8vh 20px 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-base) var(--ease), visibility var(--t-base);
}

.search-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.search-mask {
  position: absolute;
  inset: 0;
  background: rgba(12, 16, 24, 0.5);
  backdrop-filter: blur(5px);
}

.search-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(660px, 100%);
  max-height: 74vh;
  overflow: hidden;
  background: var(--c-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--xfm-radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateY(-16px) scale(0.985);
  opacity: 0;
  transition: transform var(--t-base) var(--ease-out), opacity var(--t-base) var(--ease);
}

.search-modal.is-open .search-panel {
  transform: none;
  opacity: 1;
}

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: none;
  padding: 15px 18px;
  border-bottom: 1px solid var(--c-border);
}

.search-icon {
  width: 19px;
  height: 19px;
  color: var(--c-text-muted);
}

.search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0;
  font-size: 15.5px;
  color: var(--c-text);
  background: none;
  border: 0;
  outline: none;
}

.search-input::placeholder {
  color: var(--c-text-faint);
}

.search-input::-webkit-search-cancel-button {
  display: none;
}

.search-clear {
  display: none;
  place-items: center;
  width: 26px;
  height: 26px;
  color: var(--c-text-muted);
  background: var(--c-surface-hover);
  border-radius: 50%;
}

.search-clear.is-show {
  display: grid;
}

.search-clear:hover {
  color: var(--c-danger);
}

.search-results {
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px;
}

.search-tip {
  padding: 34px 16px;
  font-size: 14px;
  text-align: center;
  color: var(--c-text-faint);
}

.search-result-group {
  padding: 8px 12px 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-faint);
}

.search-result-item {
  display: block;
  padding: 11px 13px;
  border-radius: var(--xfm-radius);
  color: inherit;
  transition: background-color var(--t-fast) var(--ease);
}

.search-result-item:hover,
.search-result-item.is-active {
  background: var(--c-primary-bg);
}

.search-result-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.search-result-url {
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--c-text-faint);
}

.search-result-excerpt {
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-item mark {
  padding: 0 2px;
  border-radius: 3px;
  color: var(--xfm-primary);
  background: var(--c-primary-soft);
  font-weight: 700;
}

.search-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  flex: none;
  padding: 10px 18px;
  font-size: 12px;
  color: var(--c-text-faint);
  border-top: 1px solid var(--c-border);
  background: var(--c-surface-alt);
}

.search-footer span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* --------------------------------------------------------------------------
   评论区
   -------------------------------------------------------------------------- */
.comments-area {
  margin-top: 34px;
  padding-top: 4px;
}

.comments-body {
  min-height: 60px;
}

.comment-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 34px 10px;
  font-size: 13.5px;
  color: var(--c-text-muted);
  background: var(--c-surface-alt);
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--xfm-radius);
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */
.error-404 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 60px 20px 20px;
  text-align: center;
}

.error-code {
  font-size: clamp(72px, 16vw, 132px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  background: linear-gradient(135deg, var(--xfm-primary), #a855f7 55%, var(--xfm-primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.9;
}

.error-title {
  font-size: 25px;
}

.error-desc {
  max-width: 460px;
  font-size: 14.5px;
  color: var(--c-text-muted);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 14px;
}

.error-recommend {
  width: 100%;
  max-width: 880px;
  margin-top: 42px;
  text-align: left;
}

/* --------------------------------------------------------------------------
   自适应配套组件
   显示时机由 adaptive-style.ejs 按档位与侧栏形态注入，此处只定义外观
   -------------------------------------------------------------------------- */

/* 侧栏唤起悬浮按钮（笔记 / 文档模式，窄屏可见） */
.nav-fab {
  display: none;
  position: fixed;
  right: 20px;
  bottom: 76px;
  z-index: var(--z-float);
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  height: 44px;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  background: var(--c-surface);
  box-shadow: var(--shadow-lg);
  color: var(--c-text);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.nav-fab:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--xfm-primary);
}

.nav-fab .xfm-icon {
  width: 17px;
  height: 17px;
}

/* 侧栏抽屉遮罩（显示时机由响应式生成样式按断点注入） */
.sidenav-mask {
  display: none;
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-drawer) - 1);
  background: rgba(9, 12, 18, 0.42);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base) var(--ease);
}

/* 目录折叠面板：桌面态不显示箭头指示（窄屏才由生成样式打开） */
.toc-column .toc-header::after {
  content: none;
}