:root {
  color-scheme: light;
  --ink: #19201b;
  --muted: #5c6760;
  --line: #d7ddd8;
  --paper: #f6f8f5;
  --band: #ffffff;
  --accent: #0f7b65;
  --accent-2: #b7345a;
  --accent-3: #346aa3;
  --soft: #e9f1ed;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #eef3ed;
  --muted: #aab5ad;
  --line: #3b443d;
  --paper: #171b18;
  --band: #20261f;
  --accent: #68c8aa;
  --accent-2: #ff8aa7;
  --accent-3: #8bc6ff;
  --soft: #29342d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  padding: 40px clamp(18px, 4vw, 56px) 28px;
  border-bottom: 1px solid var(--line);
  background: var(--band);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(32px, 5vw, 62px);
  line-height: 1.02;
}

.title-home-button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  line-height: inherit;
  padding: 0;
  text-align: left;
}

.title-home-button:hover {
  color: var(--accent-3);
}

h2 {
  font-size: clamp(22px, 3vw, 34px);
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.source-note {
  color: var(--muted);
  text-align: right;
  max-width: 360px;
}

.local-file-picker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  padding: 7px 10px;
  transition: background 160ms ease, border-color 160ms ease;
}

.local-file-picker:hover {
  border-color: var(--accent-3);
  background: var(--soft);
}

.file-picker-title {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.file-picker-current,
.file-picker-action {
  color: var(--muted);
  font-size: 12px;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-picker-action {
  display: none;
}

.local-file-picker:hover .file-picker-current,
.local-file-picker:focus-within .file-picker-current,
.local-file-picker:active .file-picker-current {
  display: none;
}

.local-file-picker:hover .file-picker-action,
.local-file-picker:focus-within .file-picker-action,
.local-file-picker:active .file-picker-action {
  display: inline;
}

.local-file-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.top-actions {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  padding: 7px 10px;
}

.theme-toggle::before {
  content: "";
  width: 24px;
  height: 14px;
  border-radius: 999px;
  background: #d9ecff;
  box-shadow: inset 10px 0 0 #8bc6ff;
}

html[data-theme="dark"] .theme-toggle::before {
  background: #39453d;
  box-shadow: inset -10px 0 0 #8bc6ff;
}

.workspace {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 56px) 56px;
}

.nav-tree {
  position: sticky;
  top: 18px;
  align-self: start;
  display: grid;
  gap: 18px;
  background: var(--band);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.tree-group {
  display: grid;
  gap: 6px;
}

.tree-group p {
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.tree-item {
  width: 100%;
  border: 0;
  border-left: 3px solid transparent;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding: 8px 10px;
  text-align: left;
  border-radius: 0 8px 8px 0;
}

.tree-item:hover,
.tree-item.active,
.tree-item.branch-active {
  border-left-color: var(--accent);
  background: var(--soft);
}

.tree-parent::after {
  content: "›";
  float: right;
  color: var(--accent-3);
  font-weight: 900;
}

.tree-parent[aria-expanded="true"]::after {
  content: "⌄";
}

.tree-children {
  display: none;
  gap: 4px;
}

.tree-children.open {
  display: grid;
}

.tree-item.tree-child {
  margin-left: 14px;
  width: calc(100% - 14px);
  color: var(--muted);
}

.tree-item.tree-child::before {
  content: "└ ";
  color: var(--muted);
}

.content-stack {
  min-width: 0;
}

.view-panel {
  display: none;
  background: var(--band);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(18px, 3vw, 28px);
}

.view-panel.active {
  display: block;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.insight-grid,
.list-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.insight-card,
.mini-list {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.insight-card span,
.mini-row span {
  color: var(--muted);
  font-size: 13px;
}

.insight-card strong {
  display: block;
  margin: 8px 0;
  font-size: 20px;
  overflow-wrap: anywhere;
}

.overview-operations {
  display: grid;
  gap: 16px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.overview-nav-card {
  display: grid;
  gap: 8px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  padding: 18px;
  text-align: left;
}

.overview-nav-card:hover {
  border-color: var(--accent-3);
  background: var(--soft);
}

.overview-nav-card span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.overview-nav-card strong {
  font-size: 20px;
}

.overview-nav-card p {
  color: var(--muted);
}

.policy-block {
  display: grid;
  gap: 10px;
}

.policy-block-spaced {
  margin-top: 26px;
}

.policy-block h3 {
  margin: 0;
  font-size: 17px;
}

.qt-notice-page {
  display: grid;
  gap: 14px;
}

.qt-notice-list {
  display: grid;
  gap: 12px;
}

.qt-notice-card {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  overflow: hidden;
}

.qt-notice-card.featured {
  border-color: #93c5fd;
  background: #e8f3ff;
}

.qt-notice-trigger {
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 18px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.qt-notice-trigger time {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.qt-notice-trigger h3 {
  margin: 0;
  color: var(--ink);
}

.qt-notice-trigger span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
}

.qt-notice-body {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
}

.qt-notice-body p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
  overflow-wrap: anywhere;
}

.qt-notice-tag {
  width: fit-content;
  padding: 5px 8px;
  border-radius: 8px;
  background: #dbeafe;
  color: #1d4ed8;
  font-size: 12px;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px 24px 34px;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: grid;
  gap: 6px;
}

.footer-brand strong {
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.footer-brand p {
  max-width: 520px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 16px;
}

.footer-meta span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.footer-meta a {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.policy-card {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 15px;
}

.policy-card p {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.mini-list {
  display: grid;
  gap: 10px;
}

.mini-list h3 {
  margin: 0;
  font-size: 17px;
}

.mini-row {
  display: grid;
  gap: 3px;
  width: 100%;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding-top: 10px;
  text-align: left;
}

.mini-row strong {
  overflow-wrap: anywhere;
}

.viewer-note {
  color: var(--muted);
  margin-bottom: 14px;
}

.conversation-inspector {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.inspector-list {
  display: grid;
  gap: 18px;
}

.inspector-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.inspector-card {
  display: grid;
  align-content: space-between;
  gap: 12px;
  min-height: 138px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.inspector-card.active {
  border-color: var(--accent-3);
  background: #f3f9ff;
}

.inspector-card strong {
  overflow-wrap: anywhere;
}

.inspector-card p {
  color: var(--muted);
}

.inspector-card div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.inspector-card span {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 4px 8px;
  color: var(--muted);
  font-size: 13px;
}

.conversation-reader {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
}

.browser-chrome {
  display: grid;
  grid-template-columns: 10px 10px 10px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: #f1f4f7;
  padding: 10px 12px;
}

.browser-chrome span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.browser-chrome span:nth-child(1) {
  background: #ff6b6b;
}

.browser-chrome span:nth-child(2) {
  background: #f0c14b;
}

.browser-chrome span:nth-child(3) {
  background: #67c56f;
}

.browser-chrome p {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-left: 4px;
}

.reader-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  padding: 16px 16px 12px;
  margin-bottom: 12px;
}

.reader-head h3 {
  margin: 0;
  font-size: 22px;
}

.reader-head span {
  color: var(--muted);
  white-space: nowrap;
}

.reader-messages {
  display: grid;
  gap: 14px;
  max-height: 620px;
  overflow: auto;
  padding: 16px;
  background: #f6f8f5;
}

.reader-message {
  display: grid;
  gap: 5px;
  width: min(78%, 780px);
  min-width: 0;
  justify-self: start;
}

.message-label {
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.message-bubble {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  line-height: 1.58;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.reader-message.user {
  justify-self: end;
}

.reader-message.user .message-label {
  color: #2477b8;
  text-align: right;
}

.reader-message.user .message-bubble {
  background: #dceeff;
  border-color: #b8d9f5;
}

.reader-message.tool,
.reader-message.system {
  justify-self: center;
  width: min(92%, 860px);
  opacity: 0.82;
}

.reader-message.tool .message-label,
.reader-message.system .message-label {
  color: var(--muted);
  text-align: center;
}

.reader-message.tool .message-bubble,
.reader-message.system .message-bubble {
  background: #eef1ee;
}

.message-bubble code {
  background: #edf1ee;
  border: 1px solid #d9dfda;
  border-radius: 6px;
  color: #1b2b22;
  padding: 1px 5px;
}

.message-bubble pre {
  background: #20231f;
  color: #f5f7f2;
  border-radius: 8px;
  max-width: 100%;
  overflow: auto;
  padding: 12px;
  margin: 8px 0;
}

.message-bubble pre code {
  background: transparent;
  border: 0;
  padding: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.stat-card {
  background: var(--band);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  min-height: 116px;
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1;
}

.band {
  background: var(--band);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(18px, 3vw, 28px);
  margin-top: 18px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-end;
  margin-bottom: 18px;
}

.section-head p {
  color: var(--muted);
}

.section-head.compact {
  margin-bottom: 12px;
}

.year-switcher {
  display: flex;
  align-items: center;
  gap: 12px;
}

.year-switcher strong {
  min-width: 70px;
  text-align: center;
  font-size: 22px;
}

.activity-chart {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #ffffff;
}

.activity-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.activity-chart .axis {
  stroke: var(--line);
  stroke-width: 2;
}

.activity-line {
  fill: none;
  stroke: var(--accent-3);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.activity-dot {
  fill: #8bc6ff;
  stroke: #ffffff;
  stroke-width: 3;
}

.activity-chart text {
  fill: var(--muted);
  font-size: 12px;
}

.activity-table {
  display: grid;
  gap: 6px;
  margin-top: 16px;
}

.activity-table-head,
.activity-table-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.3fr;
  gap: 10px;
  align-items: center;
}

.activity-table-head {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.activity-table-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--paper);
}

.activity-table-row span {
  color: var(--muted);
}

.pattern-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.pattern-card,
.pattern-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.pattern-card {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.pattern-card span {
  color: var(--muted);
  font-size: 13px;
}

.pattern-card strong {
  overflow-wrap: anywhere;
}

.pattern-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 18px;
}

.pattern-panel {
  padding: 16px;
}

.pattern-panel h3 {
  margin-bottom: 14px;
}

.pattern-bars {
  display: grid;
  gap: 9px;
}

.pattern-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 56px minmax(110px, 0.8fr);
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.pattern-row i {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: #edf1ee;
  overflow: hidden;
}

.pattern-row b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #8bc6ff;
}

.pattern-row strong {
  color: var(--ink);
  text-align: right;
}

.pattern-row em {
  font-style: normal;
  overflow-wrap: anywhere;
}

.line-marker-chart {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(58px, 1fr);
  gap: 10px;
  align-items: end;
  min-height: 260px;
  overflow-x: auto;
  padding: 14px 4px 6px;
}

.line-marker {
  display: grid;
  justify-items: center;
  gap: 6px;
  min-width: 58px;
}

.line-marker-track {
  position: relative;
  display: grid;
  align-items: end;
  justify-items: center;
  height: 168px;
  width: 24px;
}

.line-marker-track::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 50%;
  width: 1px;
  transform: translateX(-50%);
  background: #d9dfda;
}

.line-marker-track span {
  position: relative;
  display: block;
  width: 4px;
  min-height: 8px;
  border-radius: 999px;
}

.line-marker-track b {
  position: absolute;
  bottom: -3px;
  width: 14px;
  height: 14px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--line);
}

.line-marker strong {
  color: var(--ink);
  font-size: 13px;
}

.line-marker em,
.line-marker small {
  color: var(--muted);
  font-style: normal;
  font-size: 12px;
  text-align: center;
  overflow-wrap: anywhere;
}

.hour-tick-chart {
  display: grid;
  gap: 14px;
  overflow-x: auto;
  padding: 10px 2px 4px;
}

.hour-ticks {
  display: grid;
  grid-template-columns: repeat(24, minmax(28px, 1fr));
  min-width: 760px;
  align-items: end;
  gap: 0;
}

.hour-tick {
  position: relative;
  display: grid;
  grid-template-rows: 34px 18px 18px;
  justify-items: center;
  min-width: 0;
  color: var(--muted);
}

.hour-tick span {
  display: block;
  width: 100%;
  height: 34px;
  border: 1px solid var(--line);
  border-right: 0;
  border-radius: 0;
}

.hour-tick:first-child span {
  border-radius: 8px 0 0 8px;
}

.hour-tick:last-child span {
  border-right: 1px solid var(--line);
  border-radius: 0 8px 8px 0;
}

.hour-tick i {
  display: none;
}

.hour-tick strong {
  color: var(--ink);
  font-size: 11px;
}

.hour-tick em {
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
}

.hour-tick-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 12px;
}

.weekly-tick-charts {
  display: grid;
  gap: 16px;
}

.weekly-tick-row {
  display: grid;
  gap: 7px;
}

.weekly-tick-row > strong {
  color: var(--ink);
  font-size: 13px;
}

.hour-tick-chart.compact {
  gap: 6px;
  padding: 0;
}

.hour-tick-chart.compact .hour-ticks {
  min-width: 640px;
}

.hour-tick-chart.compact .hour-tick {
  grid-template-rows: 26px 16px 0;
}

.hour-tick-chart.compact .hour-tick span {
  height: 26px;
}

.hour-tick-chart.compact .hour-tick em {
  display: none;
}

.density-wrap {
  display: grid;
  gap: 12px;
}

.density-strip {
  display: grid;
  grid-template-columns: repeat(24, minmax(16px, 1fr));
  gap: 4px;
}

.density-cell {
  display: grid;
  place-items: center;
  min-width: 0;
  height: 92px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #102235;
  cursor: default;
  padding: 0;
}

.density-cell span {
  writing-mode: vertical-rl;
  font-size: 11px;
  font-weight: 800;
}

.density-labels {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  color: var(--muted);
  font-size: 12px;
}

.density-labels span:nth-child(2),
.density-labels span:nth-child(3),
.density-labels span:nth-child(4) {
  text-align: center;
}

.density-labels span:last-child {
  text-align: right;
}

.density-detail {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.density-detail div {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 9px;
}

.density-detail span {
  color: var(--muted);
  font-size: 12px;
}

.activity-table-row.peak-row {
  border-color: #bddfff;
  background: #f7fbff;
}

.activity-table-row strong {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mini-peak-wrap {
  position: relative;
  display: inline-flex;
}

.chars-cell {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mini-peak {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid #9ccfff;
  border-radius: 50%;
  background: #d9ecff;
  color: #20557f;
  cursor: pointer;
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
}

.mini-peak-callout {
  position: absolute;
  right: 24px;
  top: -8px;
  z-index: 5;
  display: none;
  width: 210px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 800;
  text-align: left;
  box-shadow: 0 8px 20px rgba(25, 32, 27, 0.12);
}

.mini-peak-wrap.open .mini-peak-callout {
  display: block;
}

.month-chart {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(34px, 1fr));
  gap: 8px;
  align-items: end;
  min-height: 190px;
  padding-top: 16px;
}

.month-bar {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 8px;
  height: 180px;
  color: var(--muted);
  font-size: 11px;
}

.month-bar i {
  display: block;
  align-self: end;
  min-height: 4px;
  background: var(--accent-3);
  border-radius: 4px 4px 0 0;
}

.month-bar span {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  justify-self: center;
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 12px;
  margin-bottom: 14px;
}

.search-label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--ink);
  background: #ffffff;
}

.topic-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.topic-pill {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 8px 10px;
  cursor: pointer;
}

.topic-pill.active {
  border-color: var(--accent);
  background: var(--soft);
}

.calendar-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 18px;
  background: #ffffff;
}

.calendar-head {
  display: flex;
  justify-content: center;
  gap: 16px;
  align-items: center;
  margin-bottom: 6px;
}

.calendar-head h3 {
  margin: 0;
  min-width: 88px;
  font-size: 26px;
  text-align: center;
}

.calendar-subhead {
  text-align: center;
  margin-bottom: 20px;
}

.year-button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--band);
  color: var(--ink);
  cursor: pointer;
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
}

.year-button:disabled {
  cursor: default;
  opacity: 0.35;
}

.calendar-subhead p,
.empty-note {
  color: var(--muted);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.month-card {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--paper);
  overflow: visible;
}

.month-card h4 {
  margin: 0;
  font-size: 17px;
}

.month-weekdays,
.month-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 5px;
  overflow: visible;
}

.month-weekdays span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  text-align: center;
}

.calendar-day {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
}

.calendar-day.blank {
  min-height: 42px;
}

.calendar-day span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

.calendar-day.has-activity {
  color: var(--ink);
  cursor: pointer;
}

.calendar-day.has-activity span {
  background: #d9ecff;
}

.calendar-day.in-range {
  background: #eef7ff;
}

.calendar-day.in-range span {
  background: #cfe8ff;
}

.calendar-day.range-edge span {
  background: #8bc6ff;
  color: #102235;
  box-shadow: inset 0 0 0 2px #ffffff;
}

.calendar-day.has-activity:hover span,
.calendar-day.selected span {
  background: #8bc6ff;
  color: #102235;
}

.calendar-day i {
  position: absolute;
  right: 3px;
  bottom: 2px;
  color: var(--accent-3);
  font-size: 9px;
  font-style: normal;
  font-weight: 800;
}

.day-hover-card {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  z-index: 20;
  display: none;
  width: max-content;
  max-width: min(280px, 70vw);
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(18, 22, 18, 0.15);
  padding: 10px;
  text-align: left;
}

.day-hover-card::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -5px) rotate(45deg);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.calendar-day.has-activity:hover .day-hover-card,
.calendar-day.has-activity:focus-visible .day-hover-card {
  display: grid;
  gap: 7px;
}

.day-hover-card strong {
  display: block;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.day-detail {
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.day-detail-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.day-detail-head span {
  color: var(--muted);
}

.day-conversation-list {
  display: grid;
  gap: 8px;
}

.day-conversation {
  display: grid;
  gap: 4px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.day-conversation span {
  color: var(--muted);
  font-size: 13px;
}

.subsection-title {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
  margin: 14px 0 10px;
  text-transform: uppercase;
}

.timeline {
  display: grid;
  gap: 12px;
}

.conversation {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.conversation-main {
  display: grid;
  grid-template-columns: 88px 1fr;
}

.date-block {
  border-right: 1px solid var(--line);
  padding: 16px;
  color: var(--muted);
}

.date-day {
  display: block;
  color: var(--ink);
  font-size: 26px;
  font-weight: 850;
  line-height: 1;
}

.date-month {
  display: block;
  margin-top: 6px;
  font-size: 12px;
}

.conversation-body {
  min-width: 0;
  padding: 14px 16px;
}

.conversation-title {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
  text-align: left;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 9px;
}

.meta-row span {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 4px 8px;
  font-size: 12px;
}

.message-preview {
  display: none;
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.conversation.open .message-preview {
  display: grid;
  gap: 8px;
}

.message {
  display: grid;
  gap: 4px;
  padding: 10px;
  background: var(--paper);
  border-radius: 8px;
}

.message strong {
  color: var(--accent-2);
  font-size: 12px;
  text-transform: uppercase;
}

.message p {
  color: var(--ink);
  overflow-wrap: anywhere;
}

.field-list {
  display: grid;
  gap: 10px;
}

.field-list div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.field-list span {
  color: var(--muted);
}

.rank-list {
  display: grid;
  gap: 12px;
}

.panel-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 18px;
}

.segmented-control {
  display: inline-flex;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px;
  background: var(--paper);
}

.segment {
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 8px 12px;
}

.segment.active {
  background: var(--band);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}

.rank-row {
  display: grid;
  gap: 8px;
}

.rank-row div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.rank-row span {
  color: var(--muted);
}

.rank-row i {
  display: block;
  height: 10px;
  min-width: 2px;
  background: var(--accent-3);
  border-radius: 8px;
}

html[data-theme="dark"] .activity-chart,
html[data-theme="dark"] .pattern-card,
html[data-theme="dark"] .pattern-panel,
html[data-theme="dark"] .calendar-wrap,
html[data-theme="dark"] .conversation-reader,
html[data-theme="dark"] .browser-chrome,
html[data-theme="dark"] .message-bubble,
html[data-theme="dark"] .inspector-card,
html[data-theme="dark"] .day-hover-card,
html[data-theme="dark"] .stat-card,
html[data-theme="dark"] .insight-card,
html[data-theme="dark"] .policy-card,
html[data-theme="dark"] .qt-notice-card,
html[data-theme="dark"] .mini-list {
  background: var(--band);
}

html[data-theme="dark"] .qt-notice-card.featured {
  background: #1c2f3c;
  border-color: #426f93;
  color: #cfe9ff;
}

html[data-theme="dark"] .qt-notice-tag {
  color: #8bc6ff;
}

html[data-theme="dark"] .qt-notice-tag {
  background: #254862;
}

html[data-theme="dark"] .activity-table-row,
html[data-theme="dark"] .month-card,
html[data-theme="dark"] .day-conversation,
html[data-theme="dark"] .message,
html[data-theme="dark"] .density-detail div {
  background: var(--paper);
}

html[data-theme="dark"] .reader-messages {
  background: #151a16;
}

html[data-theme="dark"] .reader-message.user .message-bubble,
html[data-theme="dark"] .calendar-day.has-activity span,
html[data-theme="dark"] .calendar-day.in-range span {
  background: #254862;
}

html[data-theme="dark"] .calendar-day.in-range {
  background: #1c2f3c;
}

html[data-theme="dark"] .calendar-day.range-edge span,
html[data-theme="dark"] .calendar-day.has-activity:hover span,
html[data-theme="dark"] .calendar-day.selected span {
  background: #8bc6ff;
  color: #102235;
}

html[data-theme="dark"] .message-bubble pre {
  background: #101310;
  color: #f5f7f2;
}

html[data-theme="dark"] .message-bubble code {
  background: #111711;
  border-color: #465149;
  color: #d9f7dc;
}

html[data-theme="dark"] .message-bubble pre code {
  background: transparent;
  border-color: transparent;
  color: #f5f7f2;
}

html[data-theme="dark"] .segment {
  color: #c5d0c8;
}

html[data-theme="dark"] .segment.active {
  background: #2d382f;
  color: #ffffff;
}

html[data-theme="dark"] .year-button {
  background: #2d382f;
  color: #ffffff;
}

html[data-theme="dark"] .hour-tick span {
  border-color: #465149;
}

html[data-theme="dark"] .tree-parent::after {
  color: #8bc6ff;
}

html[data-theme="dark"] .day-hover-card::after {
  background: var(--band);
}


@media (max-width: 780px) {
  .topbar,
  .section-head {
    display: grid;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .footer-meta {
    justify-content: flex-start;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .nav-tree {
    position: static;
  }

  .source-note {
    text-align: left;
  }

  .top-actions {
    justify-items: start;
  }

  .local-file-picker {
    max-width: 100%;
  }

  .file-picker-current,
  .file-picker-action {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pattern-summary,
  .pattern-grid {
    grid-template-columns: 1fr;
  }

  .pattern-row {
    grid-template-columns: 48px minmax(0, 1fr) 44px;
  }

  .pattern-row em {
    grid-column: 2 / -1;
  }

  .density-strip {
    grid-template-columns: repeat(12, minmax(18px, 1fr));
  }

  .density-cell {
    height: 54px;
  }

  .density-cell span {
    writing-mode: horizontal-tb;
  }

  .insight-grid,
  .policy-grid,
  .list-grid {
    grid-template-columns: 1fr;
  }

  .calendar-grid {
    gap: 5px;
  }

  .calendar-day {
    min-height: 36px;
  }

  .calendar-day span {
    width: 30px;
    height: 30px;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .conversation-main {
    grid-template-columns: 1fr;
  }

  .date-block {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .field-list div {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 460px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }
}