/**
 * 笔记中心与 AI 研究页的 A 版页面骨架。
 * 复用安静阅读的颜色变量和控件规范，只调整页面专属布局，不改业务逻辑。
 */

/* —— 笔记中心 —— */

/* 简白阅读时，两个辅助页面的基础文字统一为纯黑；功能色仍由各自组件单独保留。 */
:root:not([data-theme="night"]) .notes-page,
:root:not([data-theme="night"]) .research-frame {
  --ink: #000000;
  --muted-ink: #000000;
}

:root:not([data-theme="night"]) .notes-masthead {
  grid-template-columns: auto 1fr auto auto;
}

:root:not([data-theme="night"]) .notes-back-link {
  align-self: center;
  min-height: 24px;
  padding: 0 8px;
  color: var(--quiet-ink);
  border: 1px solid rgba(32, 33, 36, 0.34);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  line-height: 22px;
  letter-spacing: 0;
}

:root:not([data-theme="night"]) .notes-back-link:hover {
  color: var(--quiet-accent);
  background: var(--quiet-accent-soft);
  border-color: color-mix(in srgb, var(--quiet-accent) 45%, var(--quiet-line));
}

:root:not([data-theme="night"]) .notes-layout {
  grid-template-columns: 218px minmax(0, 1fr) 230px;
  gap: 0;
  width: 100%;
  max-width: none;
  min-height: calc(100vh - 66px);
  margin: 0;
  padding: 0;
  background: var(--quiet-bg);
}

:root:not([data-theme="night"]) .notes-filters,
:root:not([data-theme="night"]) .notes-context {
  position: sticky;
  top: 66px;
  height: calc(100vh - 66px);
  padding: 24px 18px;
  overflow-y: auto;
  background: var(--quiet-panel);
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

:root:not([data-theme="night"]) .notes-filters {
  border-right: 1px solid var(--quiet-line);
}

:root:not([data-theme="night"]) .notes-context {
  border-left: 1px solid var(--quiet-line);
}

:root:not([data-theme="night"]) .notes-filters h2,
:root:not([data-theme="night"]) .notes-context h2 {
  margin: 0 0 18px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--quiet-line);
  color: var(--quiet-ink);
  font-size: 18px;
}

:root:not([data-theme="night"]) .notes-filters label {
  margin-top: 14px;
  color: var(--quiet-ink);
  font-size: 11px;
}

:root:not([data-theme="night"]) .notes-filters input,
:root:not([data-theme="night"]) .notes-filters select {
  min-height: 36px;
  color: var(--quiet-ink);
  background: var(--quiet-card);
  border-color: var(--quiet-line);
  border-radius: 0;
}

:root:not([data-theme="night"]) .notes-filter-actions {
  gap: 7px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--quiet-line);
}

:root:not([data-theme="night"]) .notes-filter-actions button,
:root:not([data-theme="night"]) .notes-filter-actions a {
  min-height: 24px;
  padding: 0 8px;
  color: var(--quiet-ink);
  background: var(--quiet-card);
  border: 1px solid rgba(32, 33, 36, 0.34);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  line-height: 22px;
}

:root:not([data-theme="night"]) .notes-filter-actions button:hover,
:root:not([data-theme="night"]) .notes-filter-actions a:hover {
  color: var(--quiet-accent);
  background: var(--quiet-accent-soft);
  border-color: color-mix(in srgb, var(--quiet-accent) 45%, var(--quiet-line));
}

:root:not([data-theme="night"]) .notes-results {
  min-width: 0;
  padding: 42px 50px 90px;
  background: var(--quiet-bg);
}

:root:not([data-theme="night"]) .notes-results-heading {
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--quiet-line);
}

:root:not([data-theme="night"]) .notes-results-heading h2 {
  color: var(--quiet-ink);
  font-size: 21px;
}

:root:not([data-theme="night"]) .notes-results-heading span {
  color: var(--quiet-muted);
  font-size: 11px;
}

:root:not([data-theme="night"]) .notes-list {
  gap: 0;
}

:root:not([data-theme="night"]) .note-card {
  padding: 20px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--quiet-line);
  border-radius: 0;
}

:root:not([data-theme="night"]) .note-card-meta,
:root:not([data-theme="night"]) .note-card-tags,
:root:not([data-theme="night"]) .context-date {
  color: var(--quiet-muted);
  font-size: 11px;
}

:root:not([data-theme="night"]) .note-card-quote,
:root:not([data-theme="night"]) .context-quote {
  margin: 10px 0 8px;
  padding-left: 12px;
  color: var(--quiet-ink);
  border-left: 3px solid var(--quiet-accent);
  line-height: 1.75;
}

:root:not([data-theme="night"]) .note-card-note,
:root:not([data-theme="night"]) .context-hint {
  color: var(--quiet-ink);
  line-height: 1.7;
}

:root:not([data-theme="night"]) .note-card-jump {
  color: var(--link);
  font-size: 11px;
}

/* —— AI 研究页 —— */

:root:not([data-theme="night"]) .research-masthead {
  position: relative;
  z-index: 20;
  overflow: visible;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 6px;
  min-height: 66px;
  padding: 0 24px;
  color: var(--quiet-ink);
  background: color-mix(in srgb, var(--quiet-card) 95%, transparent);
  border-bottom: 1px solid var(--quiet-line);
  box-shadow: 0 2px 10px rgba(32, 33, 36, 0.04);
  backdrop-filter: blur(14px);
}

/* 换肤菜单展开到报头下方时，必须位于报告目录之上，不能被侧栏盖住。 */
:root:not([data-theme="night"]) .research-masthead .theme-popover,
:root[data-theme="night"] .research-masthead .theme-popover {
  z-index: 1000;
}

:root:not([data-theme="night"]) .research-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 150px;
}

:root:not([data-theme="night"]) .research-brand .edition {
  display: none;
}

:root:not([data-theme="night"]) .research-brand h1 {
  font-size: 17px;
}

:root:not([data-theme="night"]) .research-brand p {
  margin: 0;
  padding-left: 9px;
  color: var(--quiet-muted);
  border-left-color: var(--quiet-line);
  font-size: 10px;
  letter-spacing: 0.04em;
}

:root:not([data-theme="night"]) .research-rule {
  background: var(--quiet-line);
}

:root:not([data-theme="night"]) .research-metrics {
  gap: 6px;
}

:root:not([data-theme="night"]) .research-metrics div {
  min-width: 56px;
}

:root:not([data-theme="night"]) .research-metrics strong {
  color: var(--quiet-ink);
  font-size: 14px;
}

:root:not([data-theme="night"]) .research-metrics span {
  color: var(--quiet-muted);
  font-size: 8px;
}

:root:not([data-theme="night"]) .back-reader {
  min-height: 24px;
  margin-right: 0;
  padding: 0 8px;
  color: var(--quiet-ink);
  border: 1px solid rgba(32, 33, 36, 0.34);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  line-height: 22px;
  letter-spacing: 0;
}

:root:not([data-theme="night"]) .back-reader:hover {
  color: var(--quiet-accent);
  background: var(--quiet-accent-soft);
  border-color: color-mix(in srgb, var(--quiet-accent) 45%, var(--quiet-line));
}

:root:not([data-theme="night"]) .research-shell {
  grid-template-columns: 218px minmax(0, 1fr) 230px;
  gap: 0;
  width: 100%;
  max-width: none;
  padding: 0;
  background: var(--quiet-bg);
}

:root:not([data-theme="night"]) .ask-panel,
:root:not([data-theme="night"]) .result-panel,
:root:not([data-theme="night"]) .report-toc {
  border-radius: 0;
  box-shadow: none;
}

:root:not([data-theme="night"]) .ask-panel {
  padding: 24px 18px;
  background: var(--quiet-panel);
  border: 0;
  border-right: 1px solid var(--quiet-line);
}

:root:not([data-theme="night"]) .ask-submit,
:root[data-theme="night"] .ask-submit {
  min-height: 30px;
  padding-inline: 14px;
  font-size: 11px;
}

:root:not([data-theme="night"]) .result-panel {
  padding: 42px 50px 90px;
  background: var(--quiet-bg);
  border: 0;
}

:root:not([data-theme="night"]) .report-toc {
  width: auto;
  padding: 25px 20px;
  background: var(--quiet-panel);
  border: 0;
  border-left: 1px solid var(--quiet-line);
}

:root:not([data-theme="night"]) .research-shell .panel-heading {
  margin-bottom: 18px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--quiet-line);
}

:root:not([data-theme="night"]) .research-shell .panel-heading span {
  color: var(--quiet-accent);
  font-size: 9px;
}

:root:not([data-theme="night"]) .research-shell .panel-heading strong {
  color: var(--quiet-ink);
  font-size: 18px;
  letter-spacing: 0;
}

/* 研究页三个栏标题统一靠右，正文和历史卡片保持原有阅读方向。 */
:root:not([data-theme="night"]) .research-shell .panel-heading,
:root[data-theme="night"] .research-shell .panel-heading {
  justify-content: space-between;
  text-align: initial;
}

:root:not([data-theme="night"]) .research-shell .panel-heading span,
:root[data-theme="night"] .research-shell .panel-heading span {
  text-align: left;
}

:root:not([data-theme="night"]) .research-shell .panel-heading strong,
:root[data-theme="night"] .research-shell .panel-heading strong {
  text-align: right;
}

:root:not([data-theme="night"]) .ask-form textarea {
  min-height: 84px;
  padding: 10px 12px;
  color: var(--quiet-ink);
  background: var(--quiet-card);
  border-color: var(--quiet-line);
  border-radius: 0;
}

:root:not([data-theme="night"]) .ask-controls {
  flex-wrap: wrap;
  gap: 7px;
}

:root:not([data-theme="night"]) .deep-toggle {
  color: var(--quiet-muted);
  font-size: 10px;
}

:root:not([data-theme="night"]) .deep-toggle:has(input:checked) {
  color: var(--quiet-ink);
}

:root:not([data-theme="night"]) .ask-submit,
:root:not([data-theme="night"]) .report-export,
:root:not([data-theme="night"]) .confirm-ok,
:root:not([data-theme="night"]) .confirm-cancel {
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid rgba(32, 33, 36, 0.34);
  border-radius: 999px;
  color: var(--quiet-ink);
  background: var(--quiet-card);
  font-size: 10px;
  font-weight: 700;
  line-height: 22px;
}

:root:not([data-theme="night"]) .ask-submit:hover,
:root:not([data-theme="night"]) .report-export:hover,
:root:not([data-theme="night"]) .confirm-ok:hover,
:root:not([data-theme="night"]) .confirm-cancel:hover {
  color: var(--quiet-accent);
  background: var(--quiet-accent-soft);
  border-color: color-mix(in srgb, var(--quiet-accent) 45%, var(--quiet-line));
}

:root:not([data-theme="night"]) .history-item,
:root:not([data-theme="night"]) .finding,
:root:not([data-theme="night"]) .evidence-item {
  background: transparent;
  border-color: var(--quiet-line);
  border-radius: 0;
  box-shadow: none;
}

:root:not([data-theme="night"]) .report {
  gap: 28px;
}

:root:not([data-theme="night"]) .report-question {
  color: var(--quiet-ink);
  font-size: 21px;
}

:root:not([data-theme="night"]) .report-section h3 {
  color: var(--quiet-ink);
  font-size: 18px;
  letter-spacing: 0;
}

:root:not([data-theme="night"]) .summary-text,
:root:not([data-theme="night"]) .finding-claim,
:root:not([data-theme="night"]) .timeline-event,
:root:not([data-theme="night"]) .evidence-text {
  color: var(--quiet-ink);
}

:root:not([data-theme="night"]) .report-toc-list .report-toc-link {
  color: var(--quiet-ink);
  border-color: var(--quiet-line);
}

@media (max-width: 980px) {
  :root:not([data-theme="night"]) .notes-layout {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  :root:not([data-theme="night"]) .notes-context {
    grid-column: 1 / -1;
    position: static;
    height: auto;
    border-top: 1px solid var(--quiet-line);
    border-left: 0;
  }
}

@media (max-width: 720px) {
  :root:not([data-theme="night"]) .notes-masthead,
  :root:not([data-theme="night"]) .research-masthead {
    grid-template-columns: 1fr auto;
    min-height: 60px;
    padding: 0 16px;
  }

  :root:not([data-theme="night"]) .notes-back-link,
  :root:not([data-theme="night"]) .back-reader,
  :root:not([data-theme="night"]) .research-metrics,
  :root:not([data-theme="night"]) .research-rule {
    display: none;
  }

  :root:not([data-theme="night"]) .notes-layout {
    display: block;
    min-height: 0;
  }

  :root:not([data-theme="night"]) .notes-filters,
  :root:not([data-theme="night"]) .notes-context {
    position: static;
    height: auto;
    padding: 20px;
    border: 0;
  }

  :root:not([data-theme="night"]) .notes-filters {
    margin-bottom: 18px;
    border-bottom: 1px solid var(--quiet-line);
  }

  :root:not([data-theme="night"]) .notes-results,
  :root:not([data-theme="night"]) .result-panel {
    padding: 28px 22px 72px;
  }

  :root:not([data-theme="night"]) .research-shell {
    display: block;
    overflow-y: auto;
  }

  :root:not([data-theme="night"]) .ask-panel {
    min-height: auto;
    max-height: none;
    padding: 20px;
    border-right: 0;
    border-bottom: 1px solid var(--quiet-line);
  }

  :root:not([data-theme="night"]) .report-toc {
    width: 100%;
    min-height: 180px;
    border-top: 1px solid var(--quiet-line);
    border-left: 0;
  }
}

/* 桌面端研究页保持左右栏对称，中间正文随窗口伸缩，避免三栏被拉成细条。 */
@media (min-width: 721px) {
  /* 两条可拖动分割线把左右栏与正文明确分开；默认比原来略宽。 */
  :root:not([data-theme="night"]) .research-shell,
  :root[data-theme="night"] .research-shell {
    --research-left-width: clamp(300px, 21vw, 520px);
    --research-right-width: clamp(300px, 21vw, 520px);
    grid-template-columns: var(--research-left-width) 10px minmax(0, 1fr) 10px var(--research-right-width);
  }

  :root:not([data-theme="night"]) .research-shell:has(.report-toc[hidden]),
  :root[data-theme="night"] .research-shell:has(.report-toc[hidden]) {
    grid-template-columns: var(--research-left-width) 10px minmax(0, 1fr) 0 0;
  }

  .research-resizer {
    position: relative;
    z-index: 3;
    width: 10px;
    cursor: col-resize;
    touch-action: none;
    background: transparent;
  }

  .research-resizer::after {
    content: "";
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 4px;
    width: 2px;
    border-radius: 999px;
    background: var(--quiet-line, var(--line));
    opacity: 0.7;
    transition: opacity 150ms ease, background 150ms ease;
  }

  .research-resizer:hover::after,
  .research-resizer:focus-visible::after {
    background: var(--quiet-accent, var(--accent));
    opacity: 1;
  }

  .research-shell:has(.report-toc[hidden]) .research-resizer-right {
    display: none;
  }
}
  :root:not([data-theme="night"]) .research-shell,
  :root[data-theme="night"] .research-shell {
    grid-template-columns: clamp(280px, 19vw, 480px) minmax(0, 1fr) clamp(280px, 19vw, 480px);
  }

  :root:not([data-theme="night"]) .ask-panel,
  :root[data-theme="night"] .ask-panel {
    padding-left: clamp(10px, 1.2vw, 24px);
    padding-right: clamp(8px, 1vw, 20px);
  }

  :root:not([data-theme="night"]) .report-toc,
  :root[data-theme="night"] .report-toc {
    padding-left: clamp(20px, 1.2vw, 28px);
    padding-right: clamp(8px, 1vw, 20px);
  }

  :root:not([data-theme="night"]) .result-panel,
  :root[data-theme="night"] .result-panel {
    /* 正文保持原有阅读内边距；侧栏内部单独处理留白。 */
    padding-inline: clamp(30px, 2.4vw, 52px);
  }

  :root:not([data-theme="night"]) .research-metrics,
  :root[data-theme="night"] .research-metrics {
    gap: 12px;
    margin-right: 22px;
  }

  :root:not([data-theme="night"]) .research-metrics div,
  :root[data-theme="night"] .research-metrics div {
    min-width: 78px;
  }
}

/* 深夜主题复用同一套页面几何，只保留夜间主题自己的颜色。 */
:root[data-theme="night"] .notes-masthead,
:root[data-theme="night"] .research-masthead {
  grid-template-columns: auto 1fr auto auto;
  min-height: 66px;
  padding: 0 24px;
}

:root[data-theme="night"] .notes-masthead .brand-block,
:root[data-theme="night"] .research-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 150px;
}

:root[data-theme="night"] .notes-masthead .edition,
:root[data-theme="night"] .research-brand .edition {
  display: none;
}

:root[data-theme="night"] .notes-masthead .brand-block h1,
:root[data-theme="night"] .research-brand h1 {
  font-size: 17px;
}

:root[data-theme="night"] .notes-masthead .brand-block p,
:root[data-theme="night"] .research-brand p {
  margin: 0;
  padding-left: 9px;
  font-size: 10px;
  letter-spacing: 0.04em;
}

:root[data-theme="night"] .research-masthead {
  position: relative;
  z-index: 20;
  overflow: visible;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 6px;
}

:root[data-theme="night"] .research-metrics {
  gap: 6px;
}

:root[data-theme="night"] .research-metrics div {
  min-width: 56px;
}

:root[data-theme="night"] .research-metrics strong {
  font-size: 14px;
}

:root[data-theme="night"] .research-metrics span {
  font-size: 8px;
}

:root[data-theme="night"] .notes-back-link,
:root[data-theme="night"] .back-reader {
  min-height: 24px;
  margin-right: 0;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  line-height: 22px;
  letter-spacing: 0;
}

:root[data-theme="night"] .notes-layout,
:root[data-theme="night"] .research-shell {
  gap: 0;
  width: 100%;
  max-width: none;
  padding: 0;
}

:root[data-theme="night"] .notes-layout {
  grid-template-columns: 218px minmax(0, 1fr) 230px;
}

:root[data-theme="night"] .research-shell {
  grid-template-columns: 218px minmax(0, 1fr) 230px;
}

:root[data-theme="night"] .notes-filters,
:root[data-theme="night"] .notes-context {
  top: 66px;
  height: calc(100vh - 66px);
  padding: 24px 18px;
  border-radius: 0;
  box-shadow: none;
}

:root[data-theme="night"] .notes-results,
:root[data-theme="night"] .result-panel {
  padding: 42px 50px 90px;
}

:root[data-theme="night"] .ask-panel {
  padding: 24px 18px;
  border-radius: 0;
  box-shadow: none;
}

:root[data-theme="night"] .report-toc {
  width: auto;
  padding: 25px 20px;
  border-radius: 0;
  box-shadow: none;
}

@media (max-width: 720px) {
  :root[data-theme="night"] .notes-layout,
  :root[data-theme="night"] .research-shell {
    display: block;
    overflow-y: auto;
  }

  :root[data-theme="night"] .notes-masthead,
  :root[data-theme="night"] .research-masthead {
    min-height: 60px;
    padding: 0 16px;
  }

  :root[data-theme="night"] .notes-back-link,
  :root[data-theme="night"] .back-reader,
  :root[data-theme="night"] .research-metrics,
  :root[data-theme="night"] .research-rule {
    display: none;
  }

  :root[data-theme="night"] .notes-filters,
  :root[data-theme="night"] .notes-context {
    position: static;
    height: auto;
    padding: 20px;
  }

  :root[data-theme="night"] .notes-results,
  :root[data-theme="night"] .result-panel {
    padding: 28px 22px 72px;
  }

  :root[data-theme="night"] .ask-panel {
    min-height: auto;
    padding: 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  :root[data-theme="night"] .report-toc {
    width: 100%;
    min-height: 180px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

/* 夜间主题的桌面端也沿用对称栏宽；移动端规则保持上面的单栏布局。 */
@media (min-width: 721px) {
  :root[data-theme="night"] .research-shell {
    --research-left-width: clamp(300px, 21vw, 520px);
    --research-right-width: clamp(300px, 21vw, 520px);
    grid-template-columns: var(--research-left-width) 10px minmax(0, 1fr) 10px var(--research-right-width);
  }

  :root[data-theme="night"] .ask-panel {
    padding-left: clamp(10px, 1.2vw, 24px);
    padding-right: clamp(8px, 1vw, 20px);
  }

  :root[data-theme="night"] .report-toc {
    padding-left: clamp(20px, 1.2vw, 28px);
    padding-right: clamp(8px, 1vw, 20px);
  }

  :root[data-theme="night"] .result-panel {
    padding-inline: clamp(30px, 2.4vw, 52px);
  }

  :root[data-theme="night"] .research-metrics {
    gap: 12px;
    margin-right: 22px;
  }

  :root[data-theme="night"] .research-metrics div {
    min-width: 78px;
  }
}

/* 最终桌面布局覆盖：沿用原有三栏边界线，拖动热区仅覆盖在线上，不额外占列。 */
@media (min-width: 721px) {
  :root:not([data-theme="night"]) .ask-submit,
  :root[data-theme="night"] .ask-submit {
    min-height: 30px;
    padding: 0 14px;
    font-size: 11px;
    line-height: 28px;
  }

  :root:not([data-theme="night"]) .deep-toggle,
  :root[data-theme="night"] .deep-toggle {
    min-height: 30px;
    gap: 7px;
    font-size: 11px;
  }

  :root:not([data-theme="night"]) .deep-toggle input,
  :root[data-theme="night"] .deep-toggle input {
    width: 16px;
    height: 16px;
  }

  :root:not([data-theme="night"]) .research-shell,
  :root[data-theme="night"] .research-shell {
    --research-left-width: clamp(300px, 21vw, 520px);
    --research-right-width: clamp(300px, 21vw, 520px);
    position: relative;
    grid-template-columns: var(--research-left-width) minmax(0, 1fr) var(--research-right-width);
  }

  :root:not([data-theme="night"]) .research-shell:has(.report-toc[hidden]),
  :root[data-theme="night"] .research-shell:has(.report-toc[hidden]) {
    grid-template-columns: var(--research-left-width) minmax(0, 1fr) 0;
  }

  :root:not([data-theme="night"]) .research-resizer,
  :root[data-theme="night"] .research-resizer {
    position: absolute;
    top: 0;
    bottom: 0;
    z-index: 5;
    width: 10px;
  }

  :root:not([data-theme="night"]) .research-resizer-left,
  :root[data-theme="night"] .research-resizer-left {
    left: calc(var(--research-left-width) - 5px);
  }

  :root:not([data-theme="night"]) .research-resizer-right,
  :root[data-theme="night"] .research-resizer-right {
    right: calc(var(--research-right-width) - 5px);
  }
}