/* 人体专业知识 · 表象问题（observations）路由样式
   来源：素材/Human-Professional-Knowledge modules/observations.css 中本页用到的 observation- 规则
        + styles/95-brand-visual-unification.css 中 observation- 相关最终覆盖（列表项/选中态/编号块/徽章/圆角），已按最终合成效果合入。
   适配：模块 monochrome-dark-v1 灰阶体系（--hk-panel/--hk-panel-secondary/--hk-border/--hk-border-strong/--hk-muted/--hk-strong/--hk-faint）。
   映射约定：面板/边框/正文墨色 → --hk-*；原版带浅底强调色的徽章/序号/按钮为自洽配色对，成对保留原值；
   原版青/绿/橙浅底区块改为暗面板 + 同色系强调边，标签配色对保留。 */

.observation-workspace {
  min-height: 100%;
  padding: 18px 22px 34px;
  color: var(--hk-strong, #e5e5e5);
  display: grid;
  grid-template-columns: minmax(224px, 260px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

/* 模块约定：暗色主题下图标反色；原 button 交互元素改为锚点后统一去下划线并保持按钮外观 */
.observation-workspace img { filter: invert(1); height: 1.1rem; opacity: .72; width: 1.1rem; }
.observation-workspace a { text-decoration: none; }

/* ── 左侧浏览器：部位 tabs + 编号说明 + 分组列表 ───────── */
.observation-browser {
  position: sticky;
  top: 16px;
  min-width: 0;
  height: min(680px, calc(100vh - 64px));
  min-height: 430px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 8px;
  overflow: hidden;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  box-shadow: 0 12px 34px rgba(21, 29, 45, 0.05);
  padding: 12px 10px;
}

.observation-part-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.observation-part-tabs a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 999px;
  background: var(--hk-panel-secondary, #242424);
  color: var(--hk-muted, #b3b3b3);
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.observation-part-tabs a strong {
  color: var(--hk-strong, #e5e5e5);
  font-weight: 900;
}

.observation-part-tabs a span {
  font-variant-numeric: tabular-nums;
}

.observation-part-tabs a:hover,
.observation-part-tabs a:focus-visible {
  border-color: rgba(255, 255, 255, 0.36);
  color: var(--hk-strong, #e5e5e5);
}

.observation-part-tabs a.active {
  border-color: rgba(255, 255, 255, 0.28);
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 10px 22px rgba(255, 255, 255, 0.09);
}

.observation-part-tabs a.active strong {
  color: var(--hk-strong, #e5e5e5);
}

.observation-browser-intro {
  min-width: 0;
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
}

.observation-browser-intro span {
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
  font-weight: 900;
}

.observation-browser-intro strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 15px;
  line-height: 1.35;
}

.observation-browser-intro p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  font-size: 12px;
  line-height: 1.55;
}

.observation-browser-intro p strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
}

.observation-list-shell {
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.observation-list-shell::-webkit-scrollbar {
  width: 8px;
}

.observation-list-shell::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: var(--hk-border-strong, #3a3a3a);
  background-clip: content-box;
}

.observation-list-group {
  margin-bottom: 12px;
}

.observation-list-group:last-child {
  margin-bottom: 0;
}

.observation-list-group-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 4px 6px;
}

.observation-list-group-title strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 13px;
  font-weight: 900;
}

.observation-list-group-title span {
  color: var(--hk-faint, #7a7a7a);
  font-size: 12px;
  font-weight: 900;
}

.observation-list {
  display: grid;
  gap: 5px;
}

.observation-list-item {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  color: var(--hk-strong, #e5e5e5);
  padding: 7px 9px;
  text-align: left;
  cursor: pointer;
}

.observation-list-item:hover,
.observation-list-item:focus-visible {
  border-color: rgba(255, 255, 255, 0.36);
  box-shadow: 0 12px 26px rgba(21, 29, 45, 0.18);
}

.observation-list-item.selected {
  border-color: rgba(255, 255, 255, 0.36);
  background: var(--hk-chip-bg);
  box-shadow: inset 4px 0 0 #e5e5e5, 0 14px 30px rgba(255, 255, 255, 0.1);
}

.observation-list-item.selected .observation-list-main strong {
  color: var(--hk-strong, #e5e5e5);
}

.observation-list-index {
  flex: 0 0 auto;
  min-width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  border-radius: 6px;
  background: var(--hk-raise);
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
  font-weight: 900;
}

.observation-list-main {
  min-width: 0;
}

.observation-list-main strong {
  display: block;
  color: inherit;
  font-size: 13px;
  line-height: 1.35;
}

/* ── 右侧详情列 ───────────────────────────────────────── */
.observation-detail-view {
  min-width: 0;
  display: block;
}

.observation-context-head {
  margin: 0;
  padding: 16px 18px 12px;
  background: var(--hk-panel-secondary, #242424);
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  margin-bottom: 12px;
}

.observation-context-head > div {
  max-width: 980px;
  display: grid;
  gap: 4px;
}

.observation-context-head span {
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
  font-weight: 900;
}

.observation-context-head strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 20px;
  line-height: 1.3;
}

.observation-context-head p {
  max-width: 820px;
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  font-size: 14px;
  line-height: 1.65;
}

.observation-section-nav {
  position: sticky;
  top: 8px;
  z-index: 12;
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding: 10px 2px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--hk-border, #303030);
  background: color-mix(in srgb, var(--hk-panel, #141414) 92%, transparent);
  backdrop-filter: blur(10px);
}

.observation-section-nav a {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: var(--hk-panel-secondary, #242424);
  color: var(--hk-strong, #e5e5e5);
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.observation-section-nav a:hover,
.observation-section-nav a:focus-visible {
  border-color: rgba(255, 255, 255, 0.36);
  box-shadow: 0 8px 18px rgba(21, 29, 45, 0.18);
}

.observation-section-nav a.active {
  border-color: rgba(255, 255, 255, 0.48);
  background: var(--hk-solid-bg);
  color: var(--hk-solid-fg);
  box-shadow: 0 8px 18px rgba(255, 255, 255, 0.16);
}

/* ── 环节区块外壳 ─────────────────────────────────────── */
.observation-focus-section,
.observation-more-section {
  margin: 0 0 14px;
  display: grid;
  gap: 10px;
  scroll-margin-top: 64px;
}

.observation-detail-section {
  scroll-margin-top: 72px;
}

.observation-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.observation-section-head h3 {
  margin: 0;
  color: var(--hk-strong, #e5e5e5);
  font-size: 17px;
  line-height: 1.3;
}

.observation-section-head > span {
  flex: 0 0 auto;
  width: fit-content;
  padding: 3px 9px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
  font-weight: 900;
}

/* ── 表象解释（meaning） ─────────────────────────────── */
.observation-meaning-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 10px;
}

.observation-meaning-layout article {
  min-width: 0;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  padding: 12px;
}

.observation-meaning-layout article.primary {
  border-color: rgba(255, 255, 255, 0.3);
  background: var(--hk-panel-secondary, #242424);
}

.observation-meaning-layout article span {
  display: block;
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.4;
}

.observation-meaning-layout h2 {
  margin: 5px 0 8px;
  color: var(--hk-strong, #e5e5e5);
  font-size: 24px;
  line-height: 1.25;
}

.observation-meaning-layout p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.7;
}

/* ── 取证（evidence）：素材双泳道 ────────────────────── */
.observation-material-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.observation-material-panel.compact {
  margin-top: 0;
}

.observation-material-lane {
  min-width: 0;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  padding: 10px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.observation-material-lane.primary {
  border-color: rgba(255, 255, 255, 0.32);
}

.material-lane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.material-lane-head strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 13px;
  font-weight: 900;
}

.material-lane-head span {
  flex: 0 0 auto;
  min-width: 22px;
  text-align: center;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
  font-weight: 900;
}

.material-card-stack {
  display: grid;
  gap: 7px;
}

.muted-inline {
  color: var(--hk-faint, #7a7a7a);
  font-size: 12px;
}

.observation-material-card {
  min-width: 0;
  display: grid;
  align-items: start;
  gap: 3px;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 9px 10px;
  cursor: pointer;
}

.observation-material-card:hover,
.observation-material-card:focus-visible {
  border-color: rgba(255, 255, 255, 0.34);
  box-shadow: 0 10px 22px rgba(21, 29, 45, 0.16);
}

.observation-material-card .material-card-text {
  display: grid;
  gap: 3px;
}

.observation-material-card .material-card-text strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 13px;
  line-height: 1.35;
}

.observation-material-card .material-card-text em {
  min-width: 0;
  color: var(--hk-muted, #b3b3b3);
  font-size: 12px;
  font-style: normal;
  line-height: 1.45;
}

/* ── 空态 ────────────────────────────────────────────── */
.empty-state {
  border: 1px dashed var(--hk-border-strong, #3a3a3a);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 12px 14px;
  color: var(--hk-muted, #b3b3b3);
  font-size: 13px;
  line-height: 1.65;
}

.empty-state strong {
  display: block;
  margin-bottom: 6px;
  color: var(--hk-strong, #e5e5e5);
  font-size: 14px;
}

.empty-state p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.65;
}

/* ── 主链焦点与判断卡（chain / mechanism） ───────────── */
.observation-chain-focus {
  min-width: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 12px;
  margin-bottom: 2px;
}

.observation-chain-focus small {
  display: block;
  color: var(--hk-faint, #7a7a7a);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 6px;
}

.observation-chain-focus h4 {
  margin: 0 0 6px;
  color: var(--hk-strong, #e5e5e5);
  font-size: 18px;
  line-height: 1.35;
}

.observation-chain-focus p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.7;
}

.observation-role-grid,
.observation-judgement-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.observation-judgement-card {
  min-width: 0;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  padding: 12px;
}

.observation-judgement-card span {
  display: block;
  color: var(--hk-faint, #7a7a7a);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 6px;
}

.observation-judgement-card p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.7;
}

.observation-judgement-card.support {
  border-color: rgba(255, 255, 255, 0.4);
  background: var(--hk-panel-secondary, #242424);
}

.observation-judgement-card.support span {
  color: var(--hk-muted, #b3b3b3);
}

.observation-judgement-card.weakening {
  border-color: rgba(255, 255, 255, 0.42);
  background: var(--hk-panel-secondary, #242424);
}

.observation-judgement-card.weakening span {
  color: var(--hk-muted, #b3b3b3);
}

/* ── 下一步（next）：三步流 + 动作 ───────────────────── */
.observation-next-flow {
  display: grid;
  gap: 8px;
}

.observation-next-flow article {
  min-width: 0;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  padding: 12px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.observation-next-flow b {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  display: grid;
  place-items: center;
  font-size: 12px;
}

.observation-next-flow strong {
  display: block;
  color: var(--hk-strong, #e5e5e5);
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 4px;
}

.observation-next-flow p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.7;
}

.observation-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

/* ── 行内动作按钮（锚点） / 部位链接 ─────────────────── */
.observation-inline-action {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  padding: 7px 10px;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.observation-inline-action:hover,
.observation-inline-action:focus-visible,
.observation-body-part-links a:hover,
.observation-body-part-links a:focus-visible {
  border-color: rgba(255, 255, 255, 0.48);
  box-shadow: 0 10px 22px rgba(21, 29, 45, 0.16);
}

/* ── 更多资料折叠（more） ────────────────────────────── */
.observation-more-details {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  overflow: hidden;
}

.observation-more-details summary {
  cursor: pointer;
  list-style: none;
  display: grid;
  gap: 4px;
  padding: 14px;
}

.observation-more-details summary::-webkit-details-marker {
  display: none;
}

.observation-more-details summary span {
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
  font-weight: 900;
}

.observation-more-details summary strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 16px;
}

.observation-more-details[open] summary {
  border-bottom: 1px solid var(--hk-border, #303030);
  background: var(--hk-panel-secondary, #242424);
}

.observation-deferred-shell {
  padding: 12px;
  display: grid;
  gap: 12px;
}

.observation-more-details .observation-detail-section {
  margin: 0;
}

/* ── 取证反查闭环（reverse-loop，青色系） ────────────── */
.observation-reverse-loop {
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-top: 4px solid #b3b3b3;
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  padding: 12px;
  display: grid;
  gap: 10px;
}

.observation-reverse-head {
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 12px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.observation-reverse-head strong {
  display: block;
  color: var(--hk-strong, #e5e5e5);
  margin-bottom: 5px;
  line-height: 1.35;
}

.observation-reverse-head p,
.observation-reverse-bottom p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.65;
}

.observation-reverse-bottom {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.observation-reverse-bottom article {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 12px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.observation-reverse-bottom article > span {
  color: var(--hk-muted, #b3b3b3);
  font-size: 12px;
  font-weight: 900;
}

.observation-reverse-bottom article.strong {
  border-color: rgba(255, 255, 255, 0.32);
}

.observation-reverse-bottom article.strong > span {
  color: var(--hk-strong, #e5e5e5);
}

.observation-reverse-bottom article.strong > strong {
  color: var(--hk-strong, #e5e5e5);
  line-height: 1.35;
}

.observation-reverse-bottom .observation-inline-action {
  justify-self: start;
}

.observation-collection-link-list {
  display: grid;
  gap: 7px;
}

/* ── 相关部位怎么理解（role） ────────────────────────── */
.observation-role-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: 10px;
}

.observation-role-layout > article {
  min-width: 0;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 12px;
}

.observation-role-layout > article > strong {
  display: block;
  color: var(--hk-strong, #e5e5e5);
  margin-bottom: 7px;
}

.observation-role-layout p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.7;
}

.observation-body-part-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

.observation-body-part-links a {
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  padding: 7px 10px;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

/* ── 竞争方向（competition） ─────────────────────────── */
.observation-competition-list {
  display: grid;
  gap: 9px;
}

.observation-competition-card {
  min-width: 0;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 12px;
}

.observation-competition-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.observation-competition-head > strong {
  color: var(--hk-strong, #e5e5e5);
  line-height: 1.45;
}

.observation-competition-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.observation-competition-fields div {
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  padding: 9px 10px;
}

.observation-competition-fields span {
  display: block;
  color: var(--hk-faint, #7a7a7a);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 5px;
}

.observation-competition-fields p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.65;
}

/* ── 下一步如何验证（validation，绿色系） ────────────── */
.observation-validation-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: 10px;
}

.observation-validation-principle {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-left: 4px solid #b3b3b3;
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 12px;
}

.observation-validation-principle > strong {
  display: block;
  color: var(--hk-strong, #e5e5e5);
  margin-bottom: 7px;
}

.observation-validation-principle p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.7;
}

.observation-validation-list {
  display: grid;
  gap: 9px;
}

.observation-validation-list article {
  min-width: 0;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  padding: 12px;
}

.observation-validation-list article > strong {
  display: block;
  color: var(--hk-strong, #e5e5e5);
  margin-bottom: 7px;
}

.observation-validation-list p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  line-height: 1.7;
}

.observation-validation-list small {
  display: block;
  margin-top: 8px;
  color: var(--hk-faint, #7a7a7a);
  font-size: 12px;
  font-weight: 700;
}

/* ── 完整数据库资料（database details） ──────────────── */
.observation-database-details {
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel, #141414);
  overflow: hidden;
}

.observation-database-details summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
}

.observation-database-details summary::-webkit-details-marker {
  display: none;
}

.observation-database-details summary span {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.observation-database-details summary strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 15px;
}

.observation-database-details summary small {
  color: var(--hk-muted, #b3b3b3);
  font-size: 12px;
  line-height: 1.5;
}

.observation-database-details summary b {
  flex: 0 0 auto;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--hk-chip-bg);
  color: var(--hk-strong, #e5e5e5);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.observation-database-details[open] summary {
  border-bottom: 1px solid var(--hk-border, #303030);
  background: var(--hk-panel-secondary, #242424);
}

.database-group-list {
  display: grid;
  gap: 12px;
  padding: 12px;
}

.database-table-group {
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  overflow: hidden;
}

.database-table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--hk-border, #303030);
  background: var(--hk-panel-secondary, #242424);
}

.database-table-head strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 14px;
}

.database-table-head span {
  color: var(--hk-faint, #7a7a7a);
  font-size: 12px;
  font-weight: 900;
}

.database-record-list {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
}

.database-record-card {
  min-width: 0;
  display: grid;
  gap: 6px;
  border: 1px solid var(--hk-border, #303030);
  border-radius: 8px;
  background: var(--hk-panel-secondary, #242424);
  padding: 10px 12px;
}

.database-record-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.database-record-head strong {
  color: var(--hk-strong, #e5e5e5);
  font-size: 13px;
  line-height: 1.35;
}

.database-record-head span {
  flex: 0 0 auto;
  color: var(--hk-faint, #7a7a7a);
  font-family: var(--tblr-font-monospace, monospace);
  font-size: 12px;
}

.database-record-card small {
  color: var(--hk-faint, #7a7a7a);
  font-size: 12px;
  line-height: 1.5;
}

.database-record-card p {
  margin: 0;
  color: var(--hk-muted, #b3b3b3);
  font-size: 12.5px;
  line-height: 1.6;
}

/* ── 响应式 ──────────────────────────────────────────── */
@media (max-width: 980px) {
  .observation-workspace {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .observation-browser {
    position: static;
    height: auto;
    min-height: 0;
  }

  .observation-list-shell {
    max-height: 420px;
  }

  .observation-meaning-layout,
  .observation-material-panel,
  .observation-role-grid,
  .observation-judgement-grid,
  .observation-reverse-bottom,
  .observation-role-layout,
  .observation-competition-fields,
  .observation-validation-layout {
    grid-template-columns: 1fr;
  }

  .observation-chain-focus,
  .observation-competition-head,
  .observation-reverse-head,
  .observation-database-details summary {
    display: grid;
  }
}

/* 窄屏：侧栏折为顶部横排条（tabs 横向滚动，分组两列铺开） */
@media (max-width: 760px) {
  .observation-workspace {
    padding: 12px;
    gap: 12px;
  }

  .observation-browser {
    padding: 10px;
    gap: 8px;
  }

  .observation-part-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .observation-part-tabs a {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .observation-browser-intro {
    padding: 10px;
  }

  .observation-list-shell {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    align-items: start;
    max-height: none;
    overflow: visible;
  }

  .observation-context-head {
    padding: 12px 14px 10px;
  }

  .observation-focus-section,
  .observation-more-section {
    margin: 0 0 12px;
  }
}

@media (max-width: 560px) {
  .observation-workspace {
    padding: 10px;
  }

  .observation-list-shell {
    grid-template-columns: 1fr;
  }

  .observation-section-nav {
    top: 4px;
  }
}