/* ---------- main column ---------- */
.main { height: 100vh; overflow-y: auto; overflow-x: hidden; padding: 24px 26px; min-width: 0; }
.toolbar {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

/* Blog source health and runtime source registration. */
.blog-source-panel { padding: 14px 18px; }
.blog-source-add { display: grid; grid-template-columns: minmax(150px, .8fr) minmax(260px, 1.6fr) auto auto; gap: 8px; align-items: center; }
.blog-source-add input, .blog-source-add select { min-width: 0; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: var(--panel); color: var(--text); }
.blog-tier-label { display: flex; align-items: center; gap: 6px; white-space: nowrap; color: var(--muted); font-size: 13px; }
.blog-source-notice { min-height: 20px; margin: 7px 0 3px; font-size: 12px; }
.blog-fetch-failure-summary { margin: 8px 0; padding: 10px 12px; border: 1px solid #e7b6af; border-radius: 9px; background: #fff3f1; color: #873b34; font-size: 12px; }
.blog-fetch-failure-summary[hidden] { display: none; }
.blog-fetch-failure-summary > strong, .blog-fetch-failure-summary > span { margin-right: 12px; }
.blog-fetch-failure-summary > div { display: flex; flex-wrap: wrap; gap: 5px 12px; margin-top: 5px; }
.blog-fetch-failure-summary a { color: inherit; text-decoration: underline; }
.blog-source-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 8px; padding: 10px 0 2px; max-height: 390px; overflow: auto; }
.blog-source-row { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--panel); min-width: 0; }
.blog-source-heading { display: flex; align-items: center; gap: 6px; min-width: 0; }
.blog-source-heading strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.blog-source-main > a { display: block; margin: 5px 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; color: var(--link, #58718f); }
.blog-priority, .blog-source-status, .blog-source-disabled { border-radius: 999px; padding: 2px 6px; font-size: 11px; white-space: nowrap; }
.blog-priority { background: #eee9df; color: #695c48; }
.blog-priority.p5 { background: #f6dfd8; color: #9b3e28; }
.blog-priority.p4 { background: #f5ead0; color: #856018; }
.blog-source-status.ok { background: #e1f1e6; color: #39744b; }
.blog-source-status.warn { background: #fff0cd; color: #8b651b; }
.blog-source-status.bad { background: #f7dfdd; color: #983f39; }
.blog-source-status.idle, .blog-source-disabled { background: #eceae5; color: #77716a; }
.blog-source-meta { display: flex; flex-wrap: wrap; gap: 5px 12px; color: var(--muted); font-size: 12px; }
.blog-source-message { margin-top: 5px; color: var(--muted); font-size: 11px; line-height: 1.35; }
@media (max-width: 900px) { .blog-source-add { grid-template-columns: 1fr; } .blog-source-list { grid-template-columns: 1fr; } }
.toolbar-count {
  font-size: 15px;
  font-family: inherit;
  color: var(--text-soft);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  margin: -2px -8px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.toolbar-count:hover { background: var(--line-soft); border-color: var(--line); }
.toolbar-count strong { font-family: var(--serif); font-size: 20px; }
.stat-caret { font-size: 10px; color: var(--muted); }
.read-meter {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}
.unread-meter {
  font-family: inherit;
  font-size: 13px;
  color: var(--muted);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.unread-meter:hover { background: var(--line-soft); border-color: var(--line); }
#unreadCount { color: var(--accent); font-weight: 800; }
.read-meter button { padding: 5px 9px; font-size: 12px; }
.read-meter #nextUnread { color: var(--text-soft); }
.read-meter button:disabled { opacity: .45; cursor: default; }
.toolbar-count.active, .unread-meter.active { background: var(--accent-tint); border-color: var(--accent-soft); }
.sort-tabs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper-soft);
}
.sort-tabs button {
  min-width: 54px;
  padding: 5px 9px;
  border: 0;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.sort-tabs button:hover { color: var(--text); background: var(--line-soft); }
.sort-tabs button.active {
  color: var(--accent);
  background: var(--accent-tint);
}

/* 分类分布浮层：点总数/未读数展开，按来源分类导航到对应卡片广场 */
.stat-popover {
  position: absolute;
  z-index: 40;
  min-width: 232px;
  max-width: 300px;
  max-height: 60vh;
  overflow-y: auto;
  padding: 6px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.stat-popover.hidden { display: none; }
.stat-pop-head {
  font-size: 12px;
  color: var(--muted);
  padding: 4px 8px 8px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 4px;
}
.stat-pop-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 8px;
  border: none;
  border-radius: 7px;
  background: none;
  color: var(--text-soft);
  font-family: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}
.stat-pop-row:hover { background: var(--line-soft); }
.stat-pop-row.active { background: var(--accent-tint); color: var(--accent); }
.stat-pop-label { flex: 0 0 auto; min-width: 76px; }
.stat-pop-bar {
  flex: 1 1 auto;
  height: 5px;
  border-radius: 3px;
  background: var(--line-soft);
  overflow: hidden;
}
.stat-pop-bar i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.stat-pop-count { flex: 0 0 auto; font-variant-numeric: tabular-nums; color: var(--muted); font-weight: 700; }
.stat-pop-row.active .stat-pop-count { color: var(--accent); }
.stat-pop-row.is-all { font-weight: 600; }
.stat-pop-row.is-all .stat-pop-label { color: var(--text); }
.muted { color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px;
  min-height: 168px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  cursor: pointer;
  position: relative;
  transition: border-color .15s, box-shadow .15s, transform .1s;
}
.card:hover { border-color: #d4d0c4; box-shadow: var(--shadow); transform: translateY(-1px); }
.card.selected { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.card.selected-pulse,
.tweet-item.selected-pulse {
  animation: selected-card-pulse 1.05s ease-out;
}
@keyframes selected-card-pulse {
  0% { box-shadow: 0 0 0 3px var(--accent-tint), 0 0 0 0 rgba(217, 119, 87, .42); }
  55% { box-shadow: 0 0 0 3px var(--accent-tint), 0 0 0 9px rgba(217, 119, 87, .18); }
  100% { box-shadow: 0 0 0 3px var(--accent-tint), 0 0 0 14px rgba(217, 119, 87, 0); }
}

.card-skeleton {
  min-height: 186px;
  pointer-events: none;
  overflow: hidden;
}
.skeleton-line {
  display: block;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--line-soft) 25%, var(--panel) 45%, var(--line-soft) 65%);
  background-size: 240% 100%;
  animation: card-skeleton-wave 1.25s ease-in-out infinite;
}
.skeleton-meta { width: 34%; height: 10px; }
.skeleton-title { width: 82%; height: 18px; margin-top: 20px; }
.skeleton-copy { width: 100%; height: 12px; margin-top: 14px; }
.skeleton-copy.short { width: 68%; }
@keyframes card-skeleton-wave {
  from { background-position: 100% 0; }
  to { background-position: -100% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .skeleton-line { animation: none; }
}
.cards-load-error {
  grid-column: 1 / -1;
  min-height: 180px;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 10px;
  color: var(--text-soft);
  text-align: center;
}
.cards-load-error span { color: var(--muted); font-size: 13px; }
.cards-load-error button { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-tint); }

/* ── 时间线视图：日期=轴上节点，节点标该时间点未读数，卡片在右侧成流 ── */
.cards.timeline { display: block; }
.tl-group { display: grid; grid-template-columns: 20px minmax(0, 1fr); column-gap: 14px; }
.tl-rail { position: relative; display: flex; justify-content: center; }
.tl-rail::before { content: ""; position: absolute; top: 7px; bottom: 0; width: 2px; background: var(--line); }
.tl-group:last-child .tl-rail::before { bottom: auto; height: 16px; }
.tl-dot {
  position: relative; z-index: 1; margin-top: 5px;
  width: 11px; height: 11px; border-radius: 50%;
  background: #cfcabb; border: 2px solid var(--panel);
  transition: background .15s, box-shadow .15s;
}
.tl-dot.has-unread { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-tint); }
.tl-content { min-width: 0; padding-bottom: 26px; }
.tl-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; cursor: pointer; user-select: none; padding: 3px 7px; margin-left: -7px; border-radius: 8px; }
.tl-head:hover { background: var(--line-soft); }
.tl-caret { color: var(--muted); font-size: 10px; width: 10px; display: inline-block; transition: transform .15s; }
.tl-group.collapsed .tl-caret { transform: rotate(-90deg); }
.tl-group.collapsed .tl-cards { display: none; }
.tl-group.collapsed .tl-content { padding-bottom: 14px; }
.tl-date { font-family: var(--serif); font-weight: 600; font-size: 15px; letter-spacing: -.01em; }
.tl-rel { font-size: 12px; }
.tl-rel.t-today { color: var(--accent); font-weight: 600; }
.tl-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
/* 日头筛选 chip：未读 / 全部（N 张），高亮当前生效项 */
.tl-filter { cursor: pointer; transition: box-shadow .12s, filter .12s, background .12s, color .12s; }
.tl-filter:hover { filter: brightness(.96); }
.group-unread.tl-filter.active { box-shadow: 0 0 0 2px var(--accent), 0 0 0 4px var(--accent-tint); }
.tl-count.tl-filter { padding: 1px 8px; border-radius: 999px; }
.tl-count.tl-filter.active { background: var(--line-soft); color: var(--text-soft); }
.tl-group.unread-only .tl-cards .card.is-read { display: none; }
.card-title { font-family: var(--serif); font-weight: 600; font-size: 15.5px; line-height: 1.32; }

/* ── 底部分诊行：「阅」=简介已足够(已读) /「差」=不感兴趣(差评+已读) /「赞」=有收获(收藏+偏好加权)。
   常显低调，hover 提亮；点过的着色成为卡片状态标记 ── */
.card-mark {
  min-width: 34px; height: 24px; padding: 0 10px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel); color: var(--muted);
  font-size: 12px; line-height: 22px; font-weight: 600;
  cursor: pointer; opacity: .75;
  transition: opacity .12s, background .12s, color .12s, border-color .12s;
}
.card:hover .card-mark { opacity: 1; }
.card-mark.on { opacity: 1; }
.card-mark.mk-read:hover { border-color: var(--follow); background: var(--follow-soft); color: var(--follow); }
.card-mark.mk-read.on { border-color: transparent; background: var(--follow-soft); color: var(--follow); }
.card-mark.mk-bad:hover { border-color: var(--hot-soft); background: var(--hot-soft); color: var(--hot); }
.card-mark.mk-bad.on { border-color: transparent; background: var(--hot-soft); color: var(--hot); }
.card-mark.mk-like:hover { border-color: var(--star-soft); background: var(--star-soft); color: var(--star); }
.card-mark.mk-like.on { border-color: transparent; background: var(--star-soft); color: var(--star); }
/* 已读整卡淡显（原有 is-read 语义），「差」再叠一层去饱和——一眼分清「看过」和「不想看」 */
.card.is-bad { opacity: .55; filter: saturate(.35); }
.card.is-bad:hover { opacity: .85; filter: none; }

.meta { display: flex; gap: 7px; flex-wrap: wrap; align-items: center; color: var(--muted); font-size: 12px; }
.kind-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 11.5px;
  font-weight: 600;
}
.kind-badge.hot { background: var(--hot-soft); color: var(--hot); }
.kind-badge.follow { background: var(--follow-soft); color: var(--follow); }
.kind-badge.search { background: var(--accent-soft); color: var(--accent-hover); }
.kind-badge.pending { background: #fff7ed; color: #9a3412; }
.kind-badge.deep { background: #f5f3ff; color: #5b21b6; }
.kind-badge.article { background: #fef3c7; color: #92400e; font-weight: 600; }
.kind-badge.collection { background: #e0f2fe; color: #075985; font-weight: 600; }
.kind-badge.blog-source { background: #e8f0fe; color: #315a9a; font-weight: 700; }
.collection-members { margin-top: 16px; border-top: 1px solid var(--border, #e5e7eb); padding-top: 12px; }
.collection-members .cm-head { font-weight: 600; color: #075985; margin-bottom: 8px; }
.collection-members .cm-item { display: block; width: 100%; text-align: left; background: #f8fafc; border: 1px solid #e5e7eb; border-left: 3px solid #38bdf8; border-radius: 8px; padding: 9px 11px; margin-bottom: 7px; cursor: pointer; }
.collection-members .cm-item:hover { background: #e0f2fe; border-color: #7dd3fc; border-left-color: #0284c7; }
.collection-members .cm-title { display: block; font-weight: 700; color: #0369a1; font-size: 1.03em; line-height: 1.4; }
.collection-members .cm-title .cm-author { color: #7c3aed; font-weight: 700; }
.collection-members .cm-intro { display: block; color: #475569; font-size: 0.9em; margin-top: 4px; line-height: 1.5; }
.collection-members .cm-intro strong, .collection-members .cm-title strong { color: #0f172a; font-weight: 700; }
.kind-badge.updated { background: #eef2ff; color: #3730a3; }
.kind-badge.trend { background: #ecfdf5; color: #047857; }
.kind-badge.rising { background: #fff1f2; color: #be123c; }
.kind-badge.evidence.pass { background: #ecfdf5; color: #047857; }
.kind-badge.evidence.review { background: #fff7ed; color: #9a3412; }
.kind-badge.evidence.unknown { background: var(--line-soft); color: var(--muted); }
.kind-badge.rank-reason { background: #eef2ff; color: #4338ca; cursor: help; }

/* 反馈提示徽标：提醒该卡值得评、且该从什么角度评 */
.fb-prompt {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 11px;
  font-weight: 600;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: help;
}
.fb-prompt.fb-blind { background: #fffbeb; color: #b45309; border: 1px dashed #f59e0b; }
.fb-prompt.fb-explore { background: #f5f3ff; color: #6d28d9; border: 1px dashed #a78bfa; }
.kind-badge.org { background: #eef2ff; color: #4338ca; }
.kind-badge.strategy { background: #fef3c7; color: #92400e; }
.kind-badge.spread { background: #fff1f2; color: #be123c; font-weight: 800; }
.card.is-pending { border-style: dashed; background: color-mix(in srgb, var(--panel) 88%, #fff7ed); }
.meta .author { color: var(--text-soft); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.author-link { color: inherit; text-decoration: none; }
.author-link:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.author .handle, .author-id .handle { color: var(--muted); font-weight: 400; }
.read-badge,
.unread-badge {
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11.5px;
  font-weight: 600;
}
.read-badge { background: #eef2f7; color: #64748b; }
.unread-badge { background: #fff1e8; color: #9a3412; }

.summary {
  color: var(--text-soft);
  /* 不参与 flex 压缩（flex:1+clamp 会腰斩半行字）；余量交给 card-actions 的 margin-top:auto */
  flex: none;
  font-size: 13px;
  line-height: 1.5;
}
.summary strong { color: var(--text); }
/* 长文默认折叠 4 行，点「展开全文」看完整；growth 跟随折叠 2 行 */
.summary.clamped {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}
.card-growth-text.clamped {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.sum-toggle {
  align-self: flex-start;
  border: 0; background: transparent; padding: 0;
  font-size: 12px; color: var(--follow); cursor: pointer;
}
.sum-toggle:hover { text-decoration: underline; }

/* ── 认知增量简述（frontmatter.growth）：一句话说清这张卡让你的判断动在哪，
   绿系左边线与摘要区分——摘要讲内容是什么，这行讲对你有什么用 ── */
.card-growth {
  font-size: 12.5px;
  line-height: 1.5;
  color: #3f6f4f;
  background: #f2f7f0;
  border-left: 2px solid #7fb08a;
  border-radius: 0 6px 6px 0;
  padding: 4px 8px;
}
.card-growth-text { display: block; }   /* 完整显示：认知增量是这张卡「对你有什么用」的全部 */
.card-growth-text strong { color: #2c5a3c; }
.card-growth-ic { margin-right: 3px; }

/* C 子维度徽章（能力细则名，如「算法机制理解力」）：中性底、与 L 徽章并排成一组 */
.kind-badge.capsub { background: var(--line-soft); color: var(--text-soft); cursor: help; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; }
.pill {
  background: var(--line-soft);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 11.5px;
  color: var(--muted);
}
/* 功能标签 chip：点它按该功能看同类 GitHub（star 逆序）。带强调色 + hover 反白。 */
button.pill-fn {
  cursor: pointer;
  border: none;
  font-family: inherit;
  color: var(--accent);
  background: var(--star-soft);
  transition: background 0.12s, color 0.12s;
}
button.pill-fn:hover { background: var(--accent); color: #fff; }
/* 详情页：功能 chip + 关注星 紧贴成一组 */
.fn-chip-wrap, .cap-tag-chip-wrap { display: inline-flex; align-items: center; gap: 2px; }
button.cap-tag-drill {
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: background 0.12s, color 0.12s;
}
button.cap-tag-drill:hover { background: var(--accent-soft); color: var(--accent); }
button.fn-follow, button.fn-down, button.cap-tag-follow, button.cap-tag-down {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0 2px;
  font-size: 12px;
  line-height: 1;
  color: var(--muted);
  transition: color 0.12s, transform 0.12s;
}
button.fn-follow:hover, button.fn-down:hover, button.cap-tag-follow:hover, button.cap-tag-down:hover { transform: scale(1.2); color: var(--accent); }
button.fn-follow.on, button.cap-tag-follow.on { color: #f5a623; }
button.fn-down.on, button.cap-tag-down.on { color: #b91c1c; font-weight: 700; }
/* GitHub 主页面：主动搜索主题 */
.github-discovery { margin: 0 0 12px; padding: 12px; border: 1px solid var(--line-soft); border-radius: 10px; background: var(--panel); }
.github-discovery-title { margin-bottom: 7px; font-size: 13px; font-weight: 700; color: var(--text); }
.github-discovery-controls { display: flex; gap: 7px; }
.github-discovery-controls input { min-width: 160px; flex: 1; padding: 8px 10px; border: 1px solid var(--line-soft); border-radius: 7px; font: inherit; }
.github-discovery-controls button { cursor: pointer; white-space: nowrap; border: 1px solid var(--line-soft); border-radius: 7px; padding: 7px 10px; font: inherit; background: var(--bg); }
.github-discovery-controls button.primary { background: var(--accent); color: white; border-color: var(--accent); }
.github-discovery-controls button:disabled { opacity: .55; cursor: wait; }
.github-discovery-help { margin-top: 6px; font-size: 11px; }
.github-search-topics { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.github-search-topic { display: inline-flex; align-items: center; gap: 4px; border-radius: 99px; background: var(--star-soft); padding: 2px 6px 2px 9px; color: var(--accent); font-size: 11px; }
.github-search-topic button { cursor: pointer; border: 0; padding: 0 2px; color: inherit; background: transparent; font-size: 14px; line-height: 1; }
@media(max-width:700px) { .github-discovery-controls { flex-wrap: wrap; } .github-discovery-controls input { flex-basis: 100%; } }
/* 标签统一用橙色表示：参考 github 功能标签的 chip 样式（accent #d97757 橙 + star-soft 底，
   hover 反白）。详情页(.detail-tags)和简介卡(.card .tags)都套用，cap-tag / 普通 pill 一致；
   github 的 ⚡ pill-fn 本就是这套，于是所有标签视觉统一。 */
/* 详情页：较实的 github 同款橙色 chip */
.detail-tags .pill,
.detail-tags button.cap-tag-drill {
  color: var(--accent);
  background: var(--star-soft);
}
/* 简介卡：更淡、更小，最多 3 个，给简介文字留空间 */
.card .tags { margin-top: 4px; }
.card .tags .pill,
.card .tags button.cap-tag-drill {
  color: #d7a08c;
  background: #fbf5ef;
  font-size: 11px;
  padding: 1px 8px;
}
.card .tags button.cap-tag-drill:hover,
.detail-tags button.cap-tag-drill:hover {
  background: var(--accent);
  color: #fff;
}
/* 可点的知识图谱链接（[[wikilink]] → 实体页） */
a.pill-link {
  cursor: pointer;
  text-decoration: none;
  color: var(--accent);
  background: var(--star-soft);
  transition: background 0.12s, color 0.12s;
}
a.pill-link:hover { background: var(--accent); color: #fff; }
/* 侧栏：图算法层入口按钮 */
/* 认知整合面板（搜索命中实体时内嵌于卡片流上方，原生浅色风格）*/
.integration-panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 20px; margin: 0 0 16px;
}
.ig-trail { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.ig-trail i { color: var(--line); font-style: normal; margin: 0 2px; }
.ig-trail b { color: var(--text-soft); }
.ig-crumb { color: var(--accent); cursor: pointer; }
.ig-crumb:hover { text-decoration: underline; }
.ig-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.ig-mark { font-size: 12px; color: #fff; background: var(--accent); border-radius: 6px; padding: 2px 9px; }
.ig-title { font-family: var(--serif); font-size: 21px; font-weight: 600; color: var(--text); }
.ig-type { font-size: 12px; color: var(--muted); }
.ig-where { font-size: 12.5px; color: var(--text-soft); margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.ig-mod { background: var(--accent-tint); color: var(--accent-hover); border-radius: 5px; padding: 1px 8px; }
.ig-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 24px; }
.ig-cap { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.ig-row { display: flex; align-items: center; gap: 8px; margin: 3px 0; font-size: 12.5px; }
.ig-lbl { width: 150px; color: var(--text-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ig-track { flex: 1; height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; }
.ig-fill { display: block; height: 100%; background: var(--accent); }
.ig-n { width: 26px; text-align: right; color: var(--muted); }
.ig-depthrow { margin-top: 11px; display: flex; gap: 8px; }
.ig-depth { background: var(--accent-tint); border-radius: 6px; padding: 4px 11px; font-size: 12px; color: var(--text-soft); }
.ig-depth b { color: var(--accent-hover); margin-left: 4px; }
.ig-claim { background: var(--bg); border: 1px solid var(--line-soft); border-left: 3px solid var(--line); border-radius: var(--radius-sm); padding: 9px 12px; margin: 8px 0; }
.ig-ctop { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; flex-wrap: wrap; }
.ig-badge { color: #fff; border-radius: 5px; padding: 1px 9px; font-size: 11.5px; font-weight: 600; }
.ig-badge.ig-contested { background: var(--hot); }
.ig-badge.ig-corro { background: #4c8a5d; }
.ig-badge.ig-single { background: var(--muted); }
.ig-cmeta { color: var(--muted); font-size: 11.5px; }
.ig-vbadge { font-size: 11px; border-radius: 5px; padding: 1px 8px; }
.ig-vbadge.strong { background: #e6f1e9; color: #3f7a52; border: 1px solid #cfe4d6; }
.ig-vbadge.weak { background: #f3ece6; color: #9c7a5c; }
.ig-span { font-size: 11px; color: var(--muted); }
.ig-ctext { font-size: 13.5px; color: var(--text); margin-bottom: 7px; line-height: 1.5; }
.ig-cbot { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ig-strip { display: inline-flex; width: 84px; height: 8px; border-radius: 4px; overflow: hidden; flex-shrink: 0; }
.ig-strip span { display: block; height: 100%; }
.ig-sup-bar { background: #4c8a5d; } .ig-con-bar { background: var(--hot); }
.ig-chain { display: flex; flex-wrap: wrap; gap: 4px 11px; font-size: 11px; }
.ig-ev.ig-sup { color: #3f7a52; } .ig-ev.ig-con { color: var(--hot); } .ig-ev.ig-neu { color: var(--muted); }
.ig-ev a { color: inherit; text-decoration: none; border-bottom: 1px dotted currentColor; }
.ig-ev.ig-clickable { cursor: pointer; border-radius: 4px; padding: 0 3px; }
.ig-ev.ig-clickable:hover { background: var(--accent-tint); }
/* 与 wiki 的关联区（可点击穿梭）*/
.ig-relwrap { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.ig-rels { display: flex; flex-wrap: wrap; gap: 6px; }
.ig-rel { font-size: 12px; color: var(--text-soft); background: var(--bg); border: 1px solid var(--line);
  border-radius: 6px; padding: 2px 9px; cursor: pointer; }
.ig-rel:hover { border-color: var(--accent); background: var(--accent-tint); }
.ig-rel i { color: var(--follow); font-style: normal; font-size: 11px; margin-right: 3px; }
.ig-go { cursor: pointer; } .ig-go:hover { background: var(--accent-soft); color: var(--accent-hover); }
@media (max-width: 900px) { .ig-grid { grid-template-columns: 1fr; } }

.graph-links { display: flex; gap: 6px; margin: 6px 0 2px; }
.graph-link {
  flex: 1; font-size: 12px; padding: 5px 6px; cursor: pointer;
  border: 1px solid var(--border); border-radius: 8px;
  background: transparent; color: var(--muted); white-space: nowrap;
}
.graph-link:hover { background: rgba(217, 119, 87, 0.08); color: var(--accent); border-color: transparent; }
.card-actions { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: auto; }
.card-actions-left { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.feedback-select, .feedback-tag {
  height: 24px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel); color: var(--muted); font-size: 11px; padding: 0 7px;
}
.feedback-select { cursor: pointer; max-width: 82px; }
.feedback-tag { cursor: pointer; background: var(--accent-soft); color: var(--accent-hover); }
.card-actions .muted { font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.follow-btn { font-size: 11px; border: 1px solid var(--border); padding: 3px 9px; background: transparent; border-radius: 999px; color: var(--muted); cursor: pointer; white-space: nowrap; }
.follow-btn:hover { background: var(--star-soft); }
.follow-btn.on { color: var(--star); border-color: var(--star); background: var(--star-soft); }
.deep-btn { font-size: 11px; border: 1px solid #c4b5fd; padding: 3px 9px; background: #f5f3ff; border-radius: 999px; color: #5b21b6; cursor: pointer; white-space: nowrap; }
.deep-btn:hover { background: #ede9fe; }
.deep-btn:disabled { opacity: .6; cursor: wait; }
.star { font-size: 17px; border: 0; padding: 4px 9px; background: transparent; border-radius: 999px; }
.star:hover { background: var(--star-soft); }
.star.on { color: var(--star); background: var(--star-soft); }

/* 列表卡就地快评：👍 有收获 / 👎 没收获（默认淡，hover/选中变实） */
.quick-rate { font-size: 13px; border: 0; padding: 3px 6px; background: transparent; border-radius: 999px; cursor: pointer; opacity: .5; filter: grayscale(.5); line-height: 1; }
.quick-rate:hover { opacity: 1; filter: none; }
.quick-rate.on { opacity: 1; filter: none; }
.quick-rate.up.on { background: #dcfce7; }
.quick-rate.down.on { background: #fee2e2; }

/* ---------- twitter author (grouped-by-person) cards ---------- */
.back-btn {
  grid-column: 1 / -1;
  justify-self: start;
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--accent);
  font-weight: 600;
}
.back-btn:hover { background: var(--accent-tint); border-color: var(--accent-soft); }
.author-card { gap: 12px; }
.author-head { display: flex; align-items: center; gap: 11px; }
.avatar {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #e6a184);
}
.author-id { min-width: 0; }
.author-id .card-title { font-size: 16px; }
.author-card .fav-count { color: var(--star); }
.tweet-peek {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  flex: 1;
}
.tweet-peek li {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.45;
  padding-left: 12px;
  position: relative;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.tweet-peek li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--line);
}
.author-card .more { font-size: 12px; }

.today-learning {
  padding: 6px 0 26px;
}

.learning-shell {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.learning-head {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 7px;
  align-items: flex-end;
  margin-bottom: 8px;
}

.learning-head .eyebrow {
  color: var(--muted);
  font-size: 8.5px;
  letter-spacing: .14em;
}

.learning-head h2 {
  margin: 2px 0 0;
  font: 600 20px/1.2 var(--serif);
}

.learning-head > strong {
  font: 650 30px/1 var(--serif);
}

.learning-head > span:last-child {
  color: var(--muted);
  font-size: 10.5px;
  padding-bottom: 3px;
}

.learning-sub {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 8px;
}

.learning-sub b {
  color: var(--text-soft);
  white-space: nowrap;
}

.learning-progress {
  height: 3px;
  border-radius: 999px;
  background: var(--line-soft);
  overflow: hidden;
  margin-bottom: 16px;
}

.learning-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width .16s ease;
}

.learning-groups {
  display: grid;
  gap: 18px;
}

.learning-section {
  min-width: 0;
}

.learning-section-head {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 6px;
  margin-bottom: 8px;
}

.learning-section-head strong,
.learning-section-head span {
  display: block;
}

.learning-section-head span {
  color: var(--muted);
  font-size: 10.5px;
  margin-top: 2px;
}

.learning-section-head > b {
  font: 600 18px/1 var(--serif);
}

.learning-section-head > span:last-child {
  padding-bottom: 1px;
}

.learning-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.learning-card {
  min-width: 0;
  min-height: 0;
  padding: 13px;
  gap: 8px;
  overflow: hidden;
}

.learning-check {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  width: fit-content;
  color: var(--muted);
  font-size: 10.5px;
  cursor: pointer;
}

.learning-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.learning-card-body {
  appearance: none;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 0;
  color: inherit;
  cursor: pointer;
  font-family: inherit;
  display: grid;
  gap: 7px;
  min-width: 0;
}

.learning-card-badges {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 10.5px;
}

.learning-kind.must { color: var(--accent); background: var(--accent-tint); }
.learning-kind.explore { color: #76620b; background: #faf6dc; }
.learning-kind.review { color: #52627a; background: #eef2f7; }

.learning-card-summary {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
  overflow-wrap: anywhere;
}

.learning-card-body:hover .learning-card-summary {
  color: var(--accent-hover);
}

.learning-original-title {
  overflow: hidden;
  color: var(--muted);
  font: 500 11px/1.35 var(--serif);
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.learning-empty,
.learning-loading {
  color: var(--muted);
}

.learning-empty {
  grid-column: 1 / -1;
  padding: 14px;
  background: var(--sidebar);
  border-radius: var(--radius-sm);
  font-size: 11.5px;
}

.learning-loading {
  padding: 24px 0;
}

@media (max-width: 900px) {
  .learning-head {
    grid-template-columns: 1fr auto;
  }

  .learning-head > span:last-child { grid-column: 1 / -1; }
  .learning-list {
    grid-template-columns: 1fr;
  }
}