/*
 * Demi OS 月白靛蓝 UI System
 * Visual-only cascade. Product controls, fields, routes and behavior remain
 * owned by index.html, app.js and information-intake.js.
 */

:root {
  color-scheme: light;
  --ui-font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --ui-moon: #f4f7fc;
  --ui-moon-deep: #edf2fa;
  --ui-paper: #fbfcff;
  --ui-paper-strong: #ffffff;
  --ui-ink: #111318;
  --ui-ink-soft: #4e586a;
  --ui-muted: #808b9e;
  --ui-line: #dce4f0;
  --ui-line-strong: #c9d5e6;
  --ui-indigo: #165df5;
  --ui-indigo-deep: #0d47cc;
  --ui-indigo-pale: #e8efff;
  --ui-apricot: #f28a62;
  --ui-lemon: #f2c84c;
  --ui-success: #477d6b;
  --ui-danger: #cb604d;
  --ui-shadow: 0 18px 55px rgba(49, 73, 111, 0.08);
  --ui-type-display: 44px;
  --ui-type-page: 30px;
  --ui-type-section: 18px;
  --ui-type-item: 15px;
  --ui-type-body: 14px;
  --ui-type-control: 13px;
  --ui-type-meta: 12px;
  --ui-space-page: 28px;
  --ui-space-section: 18px;
  --ui-space-card: 16px;
  --ui-space-row: 12px;
  --ui-space-control: 8px;
  --ui-radius-card: 15px;
  --ui-radius-panel: 14px;
  --ui-radius-control: 9px;
  --ui-rail-width: 272px;
  --ui-right-width: clamp(300px, 24vw, 360px);

  /* Existing component aliases keep semantic behavior unchanged. */
  --page: var(--ui-moon);
  --page-quiet: var(--ui-moon-deep);
  --rail: rgba(237, 242, 250, 0.94);
  --surface: rgba(251, 252, 255, 0.92);
  --surface-raised: var(--ui-paper);
  --surface-muted: var(--ui-moon-deep);
  --surface-warm: var(--ui-paper);
  --surface-cool: var(--ui-moon-deep);
  --surface-soft: var(--ui-moon-deep);
  --ink: var(--ui-ink);
  --ink-soft: var(--ui-ink-soft);
  --ink-muted: var(--ui-muted);
  --muted: var(--ui-muted);
  --line: var(--ui-line);
  --line-soft: var(--ui-line);
  --line-strong: var(--ui-line-strong);
  --accent: var(--ui-indigo);
  --accent-soft: var(--ui-indigo-pale);
  --sage-deep: var(--ui-indigo);
  --sage-soft: var(--ui-indigo-pale);
  --cool: var(--ui-indigo);
  --cool-soft: var(--ui-indigo-pale);
  --danger: var(--ui-danger);
  --focus: var(--ui-indigo);
  --shadow-paper: var(--ui-shadow);
  --shadow-card: var(--ui-shadow);
  --shadow-card-hover: var(--ui-shadow);
  --glass-surface: rgba(251, 252, 255, 0.92);
  --glass-surface-strong: rgba(255, 255, 255, 0.96);
  --glass-line: var(--ui-line);
  --glass-highlight: rgba(255, 255, 255, 0.75);
  --glass-shadow: var(--ui-shadow);
  --glass-blur: 0;
  --radius: var(--ui-radius-card);
  --radius-small: var(--ui-radius-control);
  --radius-panel: var(--ui-radius-card);
}

* {
  box-sizing: border-box;
  font-family: inherit;
}

html,
body {
  width: 100%;
  min-width: 0;
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  color: var(--ui-ink);
  background: var(--ui-moon);
  font-family: var(--ui-font-family);
  font-size: var(--ui-type-body);
  line-height: 1.55;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea,
option,
table,
time,
code,
pre {
  font-family: inherit;
  font-size: var(--ui-type-control);
  line-height: 1.4;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid rgba(22, 93, 245, 0.42);
  outline-offset: 2px;
}

p,
li,
dd,
.message-body,
.candidate-detail-body,
.meeting-detail-content {
  overflow-wrap: anywhere;
}

small,
time,
.eyebrow,
.quiet-empty,
.learning-empty,
.empty-state,
.information-inline-result,
.information-file-name {
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

/* App shell and the one fixed desktop rail. */
.app-shell {
  display: grid;
  grid-template-columns: var(--ui-rail-width) minmax(0, 1fr);
  width: 100%;
  min-width: 0;
  min-height: 100dvh;
  background: var(--ui-moon);
}

.room-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  width: var(--ui-rail-width);
  height: 100dvh;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-right: 1px solid var(--ui-line);
  background: rgba(237, 242, 250, 0.94);
  box-shadow: none;
  backdrop-filter: none;
}

.workspace {
  grid-column: 2;
  width: 100%;
  min-width: 0;
  min-height: 100dvh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background: var(--ui-moon);
}

.brand-block {
  flex: 0 0 84px;
  padding: 0 22px;
  border-bottom: 1px solid var(--ui-line);
}

.brand-home {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  height: 84px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  text-align: left;
}

.brand-orb {
  display: grid;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--ui-indigo);
  box-shadow: none;
}

.brand-orb::after {
  content: "司";
  color: var(--ui-paper-strong);
  font-size: var(--ui-type-section);
  font-weight: 700;
  line-height: 1;
}

.brand-orb,
body:not(.is-chat-mode) .brand-orb {
  border-color: transparent;
  color: var(--ui-paper-strong);
  background-color: var(--ui-indigo);
  background-image: none;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy .brand-mark {
  color: var(--ui-ink);
  font-size: var(--ui-type-section);
  font-weight: 700;
  line-height: 1.35;
}

.brand-copy .brand-mark::first-letter {
  letter-spacing: normal;
}

.brand-copy > span:last-child {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.rail-actions {
  flex: 0 0 auto;
  padding: 22px 12px 0;
}

.rail-button {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 58px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 13px;
  color: var(--ui-ink-soft);
  background: transparent;
  box-shadow: none;
  text-align: left;
}

.rail-button.is-active,
.rail-button:hover {
  border-color: #dbe5f6;
  color: var(--ui-ink);
  background: var(--ui-indigo-pale);
  box-shadow: none;
}

.rail-token {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--ui-line);
  border-radius: 50%;
  color: var(--ui-indigo);
  background: var(--ui-paper-strong);
  font-size: var(--ui-type-section);
  font-weight: 700;
}

.rail-label {
  min-width: 0;
}

.rail-label strong {
  display: block;
  color: inherit;
  font-size: var(--ui-type-body);
  font-weight: 650;
  line-height: 1.45;
}

.rail-label small {
  display: block;
  margin-top: 3px;
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.conversation-history {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  padding: 28px 12px 12px;
  overflow: hidden;
}

.rail-section-heading {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 28px;
  margin: 0 10px 8px;
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.rail-section-actions {
  display: flex;
  gap: 4px;
}

.rail-section-actions button {
  padding: 3px 5px;
  border: 0;
  color: var(--ui-muted);
  background: transparent;
  font-size: var(--ui-type-meta);
}

.history-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.history-item {
  min-height: 36px;
  margin: 0 0 4px;
  padding: 7px 10px;
  border: 0;
  border-radius: 8px;
  color: var(--ui-ink-soft);
  background: transparent;
  box-shadow: none;
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.history-item:hover,
.history-item.is-active {
  color: var(--ui-ink);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: none;
}

.history-time,
.history-agent,
.rail-empty {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.rail-user-block {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 68px;
  margin-top: auto;
  padding: 10px 20px 12px;
  border-top: 1px solid var(--ui-line);
  background: rgba(255, 255, 255, 0.38);
}

.rail-user {
  width: 100%;
  min-height: 44px;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 4px 8px;
  border: 0;
  border-radius: 10px;
  justify-content: flex-start;
  background: transparent;
  box-shadow: none;
}

.rail-user-avatar {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--ui-paper-strong);
  background: #78859a;
  box-shadow: none;
  font-size: var(--ui-type-meta);
}

.rail-user strong {
  font-size: var(--ui-type-item);
  line-height: 1.4;
}

#rail-user-button > span:last-child {
  display: none;
}

.rail-user-menu,
.password-change-panel {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: var(--ui-paper);
  box-shadow: var(--ui-shadow);
}

/* Shared controls and text roles. */
.quiet-button,
.back-home-button,
.information-close-button,
.meeting-secondary-action,
.candidate-secondary-action,
.task-child-header > button,
.meeting-detail-back,
.icon-button {
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-control);
  color: var(--ui-ink-soft);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: none;
  font-size: var(--ui-type-control);
  line-height: 1.4;
}

.information-send-button,
.composer-send,
.information-primary-button,
.meeting-primary-action,
.candidate-primary-action,
.feed-form button[type="submit"] {
  border-color: var(--ui-indigo) !important;
  color: var(--ui-paper-strong) !important;
  background: var(--ui-indigo) !important;
  box-shadow: none;
}

.information-send-button:hover,
.composer-send:hover,
.information-primary-button:hover,
.meeting-primary-action:hover,
.candidate-primary-action:hover,
.feed-form button[type="submit"]:hover {
  border-color: var(--ui-indigo-deep) !important;
  background: var(--ui-indigo-deep) !important;
}

.quiet-button:hover,
.back-home-button:hover,
.information-close-button:hover,
.meeting-secondary-action:hover,
.candidate-secondary-action:hover {
  border-color: var(--ui-line-strong);
  color: var(--ui-ink);
  background: var(--ui-indigo-pale);
}

.eyebrow {
  margin: 0;
  color: var(--ui-indigo);
  font-size: var(--ui-type-meta);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.45;
}

.section-heading h2,
.section-heading h3,
.home-section-heading h2,
.work-header h1,
.information-page-header h1,
.daily-briefing-header h1,
.chat-header h1 {
  color: var(--ui-ink);
  font-family: var(--ui-font-family);
}

.section-heading h3,
.home-section-heading h2 {
  font-size: var(--ui-type-section);
  font-weight: 650;
  line-height: 1.35;
}

.section-heading p,
.compact-heading p,
.home-section-heading span {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
select,
textarea {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-control);
  color: var(--ui-ink);
  background: var(--ui-paper-strong);
  box-shadow: none;
}

input::placeholder,
textarea::placeholder {
  color: #9ba7b7;
}

/* Home: approved first-screen structure. */
.home-view,
.home-main,
.home-dashboard {
  width: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  background: var(--ui-moon);
}

.home-three-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--ui-right-width);
  gap: 0;
  width: 100%;
  height: 100dvh;
  min-height: 0;
  margin: 0;
  overflow: hidden;
}

.home-center-column {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--ui-space-section);
  min-width: 0;
  min-height: 0;
  padding: var(--ui-space-page) 36px 30px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.simplified-home-header {
  display: none;
}

.mobile-daily-nav {
  display: none;
}

.today-input-card,
.home-reading-card {
  min-width: 0;
  padding: 17px 18px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-card);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: none;
  backdrop-filter: none;
}

.today-input-card {
  align-self: start;
}

.home-reading-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.home-section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
}

.home-section-heading span {
  display: block;
  margin: 0 0 3px;
}

.home-section-heading h2 {
  margin: 0;
}

.home-information-compose.simplified-home-input {
  min-height: 136px;
  padding: 15px 16px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-card);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: none;
}

.home-information-compose textarea {
  width: 100%;
  min-height: 66px;
  padding: 0;
  resize: none;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: var(--ui-type-body);
  line-height: 1.55;
}

.home-information-tools {
  display: flex;
  align-items: center;
  gap: var(--ui-space-control);
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.home-information-tools label {
  min-width: 0;
}

.home-information-tools select,
.information-icon-button {
  min-height: 35px;
  padding: 7px 10px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-control);
  color: var(--ui-ink-soft);
  background: var(--ui-paper-strong);
  box-shadow: none;
}

.information-send-button {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 0;
  place-items: center;
  border-radius: 50%;
  font-size: 20px;
}

.home-reading-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: repeat(2, minmax(0, 1fr));
  grid-auto-rows: auto;
  gap: 0;
  min-height: 0;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-card);
  background: rgba(255, 255, 255, 0.72);
  overscroll-behavior: contain;
}

.home-reading-list > * {
  margin: 0;
}

.home-reading-list .material-card,
.daily-recommendation-card {
  min-height: auto;
  height: auto;
  padding: var(--ui-space-row) 18px;
  border: 0;
  border-bottom: 1px solid var(--ui-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.home-reading-list > :last-child {
  border-bottom: 0;
}

.daily-recommendation-card > header,
.daily-recommendation-actions,
.daily-recommendation-inline-status,
.daily-recommendation-cover {
  font-size: var(--ui-type-meta);
}

.daily-recommendation-body h3,
.material-card h3,
.material-card strong {
  font-size: var(--ui-type-item);
  font-weight: 650;
  line-height: 1.4;
}

.daily-recommendation-body h3 {
  display: block;
  overflow: visible;
  -webkit-line-clamp: unset;
}

.daily-recommendation-card p,
.material-card p {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.home-right-column {
  display: grid;
  grid-template-rows: minmax(0, 48fr) minmax(0, 52fr);
  gap: 14px;
  min-width: 0;
  min-height: 0;
  height: 100dvh;
  padding: 16px;
  overflow: hidden;
  border-left: 1px solid var(--ui-line);
  background: rgba(237, 242, 250, 0.72);
}

.home-side-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 0;
  max-height: none;
  padding: 15px 16px 13px;
  overflow: hidden;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: none;
  backdrop-filter: none;
}

.home-side-heading {
  align-items: center;
  min-height: 30px;
  margin-bottom: 5px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(207, 217, 232, 0.72);
}

.home-side-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.home-side-heading .home-side-icon {
  display: none;
}

.home-side-title h2 {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--ui-type-item);
  line-height: 1.4;
}

.home-side-total {
  display: inline-grid;
  min-width: 22px;
  height: 22px;
  margin-left: 2px;
  padding: 0 6px;
  place-items: center;
  border: 0;
  border-radius: 999px;
  color: var(--ui-indigo);
  background: var(--ui-indigo-pale);
  font-size: var(--ui-type-meta);
}

.home-primary-small {
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid var(--ui-line-strong);
  border-radius: 999px;
  color: var(--ui-indigo);
  background: var(--ui-paper-strong);
  box-shadow: none;
  font-size: var(--ui-type-meta);
  white-space: nowrap;
}

.home-today-meetings,
.home-task-category-list {
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.home-today-meeting-row,
.home-task-category-list > button {
  width: 100%;
  min-height: 0;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid rgba(207, 217, 232, 0.72);
  color: var(--ui-ink);
  background: transparent;
  text-align: left;
}

.home-today-meeting-row {
  display: grid;
  grid-template-areas: "time dot copy";
  grid-template-columns: 42px 8px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.home-today-meeting-row > time {
  grid-area: time;
}

.home-today-meeting-row > .home-meeting-icon {
  grid-area: dot;
}

.home-today-meeting-row > span:not(.home-meeting-icon) {
  display: grid;
  grid-area: copy;
  gap: 2px;
  min-width: 0;
}

.home-meeting-icon,
.home-task-category-list .home-task-icon {
  width: 8px;
  height: 8px;
  margin-top: 5px;
  overflow: hidden;
  border: 0;
  border-radius: 50%;
  color: transparent;
  background: var(--ui-indigo);
}

.home-today-meeting-row time,
.home-today-meeting-row small,
.home-task-category-list small {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.35;
}

.home-today-meeting-row strong,
.home-task-category-list strong {
  color: var(--ui-ink);
  font-size: var(--ui-type-control);
  font-weight: 650;
  line-height: 1.35;
}

.home-task-category-list > button {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
}

.home-task-category-list .home-task-icon {
  display: grid;
  width: 28px;
  height: 28px;
  margin: 0;
  place-items: center;
  border: 1px solid var(--ui-line);
  color: var(--ui-indigo);
  background: var(--ui-paper-strong);
  font-size: var(--ui-type-meta);
}

.home-task-category-list b {
  display: grid;
  min-width: 25px;
  height: 25px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--ui-indigo);
  background: var(--ui-indigo-pale);
  font-size: var(--ui-type-meta);
}

.home-card-footer-link {
  width: 100%;
  min-height: 34px;
  padding: 9px 0 0;
  border: 0;
  color: var(--ui-indigo);
  background: transparent;
  font-size: var(--ui-type-meta);
  text-align: center;
}

/* Conversation, Context and low-frequency learning rail. */
.conversation-view {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  width: 100%;
  height: 100dvh;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--ui-moon);
}

.conversation-view[hidden] {
  display: none;
}

.chat-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--ui-moon);
  box-shadow: none;
}

.chat-header {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 12px 28px;
  border: 0;
  border-bottom: 1px solid var(--ui-line);
  background: rgba(248, 250, 255, 0.88);
  box-shadow: none;
  backdrop-filter: none;
}

.chat-header h1 {
  margin: 2px 0 0;
  font-size: var(--ui-type-item);
  font-weight: 650;
  line-height: 1.4;
}

.chat-header .eyebrow,
.agent-note {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.message-list {
  flex: 1 1 auto;
  min-height: 0;
  padding: 28px max(28px, 6vw) 18px;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--ui-moon);
  overscroll-behavior: contain;
}

.message {
  max-width: 760px;
  margin: 0 auto 20px;
}

.message-body,
.message-assistant .message-body,
.message-system .message-body,
.message-council .message-body {
  border: 0;
  color: var(--ui-ink);
  background: transparent;
  box-shadow: none;
  font-size: var(--ui-type-body);
  line-height: 1.6;
}

.message-user {
  display: flex;
  justify-content: flex-end;
}

.message-user .message-body {
  max-width: min(70%, 680px);
  padding: 12px 15px;
  border: 0;
  border-radius: 15px 15px 4px;
  color: #18315f;
  background: var(--ui-indigo-pale);
  font-size: var(--ui-type-body);
  line-height: 1.55;
}

.message-meta,
.message-agent-label,
.message-source,
.source-chip {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.source-chip {
  padding: 5px 8px;
  border: 1px solid var(--ui-line);
  border-radius: 7px;
  background: var(--ui-paper-strong);
}

.composer {
  flex: 0 0 auto;
  margin: 0 max(24px, 6vw) 16px;
  padding: 11px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-card);
  background: var(--ui-paper-strong);
  box-shadow: var(--ui-shadow);
  backdrop-filter: none;
}

.composer textarea {
  width: 100%;
  min-height: 38px;
  padding: 0;
  resize: none;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: var(--ui-type-body);
  line-height: 1.55;
}

.composer-tools {
  display: flex;
  gap: 8px;
}

.composer-tools button {
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-control);
  color: var(--ui-ink-soft);
  background: var(--ui-paper-strong);
  box-shadow: none;
}

.composer-send {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  font-size: 20px;
}

.chat-context-rail,
.learning-panel {
  min-width: 0;
  min-height: 0;
  height: 100%;
  padding: 18px 16px;
  overflow-x: hidden;
  overflow-y: auto;
  border: 0;
  border-left: 1px solid var(--ui-line);
  border-radius: 0;
  background: rgba(248, 250, 255, 0.76);
  box-shadow: none;
  backdrop-filter: none;
}

.chat-context-rail h2,
.learning-header h2 {
  margin: 0;
  font-size: var(--ui-type-item);
  font-weight: 650;
  line-height: 1.4;
}

.chat-context-rail > section,
.context-group {
  margin: 0 0 16px;
}

.chat-context-list > *,
.context-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--ui-line);
}

.chat-context-list strong,
.context-item strong {
  display: block;
  font-size: var(--ui-type-body);
  font-weight: 650;
  line-height: 1.45;
}

.chat-context-list small,
.chat-context-list p,
.context-item small {
  display: block;
  margin: 2px 0 0;
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.learning-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 46px;
  padding: 0 0 10px;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.learning-tabs {
  display: flex;
  gap: 5px;
  margin: 0 0 14px;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--ui-line);
  background: transparent;
  box-shadow: none;
}

.learning-tab {
  padding: 8px 7px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--ui-muted);
  background: transparent;
  font-size: var(--ui-type-meta);
  line-height: 1.4;
}

.learning-tab.is-active {
  border-color: transparent;
  border-bottom-color: var(--ui-indigo);
  color: var(--ui-indigo);
  background: transparent;
}

.learning-section .section-heading {
  margin-bottom: 9px;
}

.learning-section .section-heading h3 {
  margin: 0 0 7px;
  font-size: var(--ui-type-meta);
  font-weight: 500;
  line-height: 1.45;
}

.learning-section .section-heading p {
  margin: 0;
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.55;
}

.learning-list > *,
.memory-list > *,
.knowledge-list > *,
.principle-list > *,
.candidate-list > * {
  padding: 9px 0;
  border-bottom: 1px solid var(--ui-line);
}

.learning-list strong,
.memory-list strong,
.knowledge-list strong,
.principle-list strong,
.candidate-list strong {
  font-size: var(--ui-type-body);
  font-weight: 650;
  line-height: 1.45;
}

/* Work pages, meetings and todos. */
.work-view,
.information-page,
.daily-briefing-view {
  width: 100%;
  min-width: 0;
  min-height: 100dvh;
  margin: 0;
  padding: 0;
  background: var(--ui-moon);
}

.work-view[hidden],
.information-page[hidden],
.daily-briefing-view[hidden] {
  display: none;
}

.work-view-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 300px);
  gap: 16px;
  width: 100%;
  min-width: 0;
  min-height: 100dvh;
  padding: 20px var(--ui-space-page) 22px;
}

.work-main-panel,
.work-right-rail {
  min-width: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.work-main-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.work-header,
.information-page-header,
.daily-briefing-header {
  display: flex;
  flex: 0 0 auto;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  min-height: 52px;
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.work-header h1,
.information-page-header h1,
.daily-briefing-header h1 {
  margin: 3px 0 0;
  font-size: var(--ui-type-page);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.work-tabs,
.confirm-status-tabs,
.confirm-type-filters {
  display: flex;
  flex: 0 0 auto;
  gap: 5px;
  min-height: 40px;
  margin: 0 0 10px;
  padding: 0;
  overflow-x: auto;
  border: 0;
  border-bottom: 1px solid var(--ui-line);
  background: transparent;
  box-shadow: none;
}

.work-tab,
.confirm-status-tabs button,
.confirm-type-filters button {
  min-height: 38px;
  padding: 9px 12px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--ui-muted);
  background: transparent;
  font-size: var(--ui-type-control);
  line-height: 1.4;
  white-space: nowrap;
}

.work-tab.is-active,
.confirm-status-tabs button.is-active,
.confirm-type-filters button.is-active {
  border-color: transparent;
  border-bottom-color: var(--ui-indigo);
  color: var(--ui-indigo);
  background: transparent;
}

.work-panel {
  flex: 1 1 auto;
  min-height: 0;
}

.section-heading {
  margin: 0 0 10px;
}

.section-heading h3,
.section-heading p {
  margin-top: 0;
}

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

.task-hub-grid > button {
  min-height: 126px;
  padding: var(--ui-space-card);
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-panel);
  color: var(--ui-ink);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}

.task-hub-grid > button strong,
.task-child-row strong,
.formal-todo-row strong {
  font-size: var(--ui-type-item);
  font-weight: 650;
  line-height: 1.4;
}

.task-hub-grid > button small,
.task-child-row small,
.formal-todo-row small {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.task-child-list,
.task-deposition-entry,
.formal-todo-list,
.meeting-default-list {
  padding: 0 14px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: rgba(255, 255, 255, 0.72);
}

.task-child-row,
.formal-todo-row,
.meeting-list-row {
  padding: var(--ui-space-row) 0;
  border-color: var(--ui-line);
}

.work-right-rail {
  min-height: 0;
  padding: var(--ui-space-card);
  overflow-y: auto;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: rgba(255, 255, 255, 0.72);
}

.meeting-view-switch,
.meeting-focus-tabs,
.meeting-filter-form {
  gap: 7px;
}

.meeting-view-switch button,
.meeting-focus-tabs button,
.meeting-filter-form button,
.meeting-filter-form input,
.meeting-filter-form select {
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-control);
  color: var(--ui-ink-soft);
  background: var(--ui-paper-strong);
  font-size: var(--ui-type-control);
}

.meeting-view-switch button.is-active,
.meeting-focus-tabs button.is-active {
  border-color: var(--ui-indigo);
  color: var(--ui-paper-strong);
  background: var(--ui-indigo);
}

.meeting-calendar-archive,
.meeting-calendar-grid,
.meeting-day-detail,
.meeting-detail-stage,
.meeting-stage-card,
.meeting-create-card,
.meeting-form {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}

.meeting-calendar-archive {
  min-height: 0;
  padding: 14px;
}

.meeting-calendar-toolbar {
  margin-bottom: 8px;
}

.meeting-calendar-grid {
  overflow: visible;
}

.meeting-calendar-day {
  min-height: 44px;
  padding: 6px;
  border-color: var(--ui-line);
  font-size: var(--ui-type-meta);
  line-height: 1.35;
}

.meeting-calendar-day.is-selected {
  background: var(--ui-indigo-pale);
}

.meeting-calendar-day.has-meetings::after,
.meeting-calendar-dot {
  background: var(--ui-indigo);
}

.meeting-detail-panel {
  min-width: 0;
  min-height: 0;
}

.meeting-detail-header {
  margin-bottom: 10px;
}

.meeting-detail-header h2,
.meeting-detail-header h1 {
  font-size: var(--ui-type-page);
  line-height: 1.2;
}

.meeting-state-rail {
  margin-bottom: 8px;
}

.meeting-state-rail > * {
  padding: 6px;
  font-size: var(--ui-type-meta);
  line-height: 1.4;
}

.meeting-detail-layout,
.meeting-detail-grid {
  gap: 16px;
}

.meeting-stage-card,
.meeting-result-group,
.meeting-detail-card {
  padding: 12px 14px;
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-panel);
}

.meeting-stage-card h3,
.meeting-result-group h3,
.meeting-detail-card h3 {
  font-size: var(--ui-type-item);
  line-height: 1.4;
}

.meeting-stage-card p,
.meeting-result-group p,
.meeting-detail-card p {
  font-size: var(--ui-type-body);
  line-height: 1.55;
}

/* Input and confirmation center. */
.information-page {
  padding: 20px var(--ui-space-page) 120px;
  overflow: visible;
}

.information-input-layout,
.confirm-center-layout,
.confirm-workspace {
  gap: 16px;
}

.input-history-pane,
.input-editor-pane,
.input-editor-card,
.input-result-card,
.confirm-candidate-list,
.confirm-candidate-detail,
.work-candidate-queue-pane,
.work-candidate-detail {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}

.input-history-pane,
.input-editor-card,
.input-result-card,
.confirm-candidate-detail {
  padding: 14px;
}

.input-history-row,
.confirm-candidate-card,
.work-candidate-card,
.evidence-row {
  padding: 10px 0;
  border-color: var(--ui-line);
}

.input-history-row strong,
.confirm-candidate-card strong,
.work-candidate-card strong,
.candidate-detail-title {
  font-size: var(--ui-type-item);
  line-height: 1.4;
}

.input-history-row small,
.confirm-candidate-card small,
.work-candidate-card small,
.candidate-detail-meta {
  color: var(--ui-muted);
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

.confirm-fixed-actions {
  border-color: var(--ui-line);
  background: rgba(251, 252, 255, 0.96);
  box-shadow: 0 -10px 30px rgba(49, 73, 111, 0.08);
}

.information-action-toast,
.home-confirmation-panel {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: var(--ui-paper);
  box-shadow: var(--ui-shadow);
}

/* Briefing, settings, feed, login and shared content cards. */
.daily-briefing-view {
  width: min(960px, calc(100% - 56px));
  padding: 28px 0 72px;
}

.daily-briefing-content {
  gap: var(--ui-space-section);
}

.daily-briefing-section,
.feed-form,
.foundation-profile,
.artifact-maker,
.learning-rhythm,
.wecom-acceptance,
.setting-section,
.asset-card {
  padding: var(--ui-space-card);
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: none;
}

.daily-briefing-item h3,
.daily-briefing-section h2,
.setting-section h3,
.artifact-maker h3 {
  font-size: var(--ui-type-item);
  line-height: 1.4;
}

.daily-briefing-item p,
.daily-briefing-recommendation p,
.setting-section p,
.artifact-maker p {
  font-size: var(--ui-type-body);
  line-height: 1.55;
}

.settings-layout,
.library-layout {
  gap: var(--ui-space-section);
}

.settings-menu,
.library-nav {
  padding: 10px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-panel);
  background: rgba(255, 255, 255, 0.62);
}

.settings-menu button,
.library-nav button {
  padding: 10px 11px;
  border: 0;
  border-radius: 8px;
  color: var(--ui-ink-soft);
  background: transparent;
}

.settings-menu button.is-active,
.library-nav button.is-active {
  color: var(--ui-indigo);
  background: var(--ui-indigo-pale);
}

.login-screen {
  color: var(--ui-ink);
  background: var(--ui-moon);
}

.login-card {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-card);
  background: var(--ui-paper);
  box-shadow: var(--ui-shadow);
}

.login-card h1 {
  font-size: var(--ui-type-page);
  line-height: 1.2;
}

.login-kicker,
.login-copy,
.login-form label,
.login-error {
  font-size: var(--ui-type-meta);
  line-height: 1.45;
}

/* Desktop scroll ownership: fixed structure, scroll only real content. */
@media (min-width: 1181px) {
  body:not(.is-chat-mode) .app-shell {
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
  }

  body:not(.is-chat-mode) .workspace {
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
  }

  body:not(.is-chat-mode):has(.work-view:not([hidden])) .workspace,
  body:not(.is-chat-mode):has(.information-page:not([hidden])) .workspace,
  body:not(.is-chat-mode):has(.daily-briefing-view:not([hidden])) .workspace {
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
  }

  .work-view.has-meeting-detail .work-view-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .work-view.has-meeting-detail .work-main-panel,
  .meeting-detail-panel {
    min-height: calc(100dvh - 42px);
  }

  .meeting-detail-panel {
    overflow: visible;
  }
}

/* Compact desktop keeps typography fixed and lets page content flow. */
@media (min-width: 761px) and (max-width: 1180px) {
  :root {
    --ui-space-page: 24px;
    --ui-right-width: 260px;
  }

  .app-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .room-rail {
    position: sticky;
    inset: 0;
    width: 100%;
    height: auto;
    max-height: none;
  }

  .workspace {
    grid-column: 1;
  }

  .home-three-column {
    height: auto;
    min-height: 100dvh;
    grid-template-columns: minmax(0, 1fr) var(--ui-right-width);
  }

  .home-center-column,
  .home-right-column {
    height: auto;
    min-height: 100dvh;
    overflow: visible;
  }

  .conversation-view {
    grid-template-columns: minmax(0, 1fr) var(--ui-right-width);
  }

  .work-view-shell {
    grid-template-columns: minmax(0, 1fr) var(--ui-right-width);
  }

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

/* Mobile: natural page height, existing navigation, no clipped final line. */
@media (max-width: 760px) {
  :root {
    --ui-space-page: 18px;
  }

  html,
  body {
    height: auto;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
  }

  .app-shell {
    display: block;
    min-height: 100dvh;
  }

  .room-rail {
    position: relative;
    width: 100%;
    height: auto;
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--ui-line);
  }

  .workspace {
    min-height: calc(100dvh - 56px);
    overflow: visible;
  }

  .home-three-column {
    display: block;
    width: 100%;
    height: auto;
    min-height: 0;
    overflow: visible;
  }

  .home-center-column {
    display: grid;
    height: auto;
    min-height: 0;
    padding: 20px 18px 24px;
    overflow: visible;
  }

  .home-right-column {
    display: grid;
    grid-template-rows: auto;
    height: auto;
    min-height: 0;
    padding: 16px 18px 150px;
    overflow: visible;
    border-top: 1px solid var(--ui-line);
    border-left: 0;
  }

  .home-side-card,
  .home-reading-card {
    min-height: auto;
    overflow: visible;
  }

  .home-today-meetings,
  .home-task-category-list,
  .home-reading-list {
    overflow: visible;
  }

  .home-reading-list {
    grid-template-rows: repeat(2, auto);
    overflow: visible;
  }

  .conversation-view {
    display: block;
    height: calc(100dvh - 56px);
  }

  .conversation-view[hidden] {
    display: none;
  }

  .chat-panel {
    height: 100%;
  }

  .chat-header {
    min-height: 56px;
    padding: 10px 16px;
  }

  .agent-note {
    display: none;
  }

  .message-list {
    padding: 24px 18px 18px;
  }

  .message-user .message-body {
    max-width: 86%;
  }

  .composer {
    margin: 0 12px 78px;
  }

  .chat-context-rail,
  .learning-panel {
    display: none;
  }

  .work-view,
  .information-page,
  .daily-briefing-view {
    height: auto;
    min-height: 100%;
    padding: 20px 18px 150px;
    overflow: visible;
  }

  .work-view-shell {
    display: block;
    min-height: 0;
    padding: 0;
  }

  .work-main-panel,
  .work-panel,
  .meeting-detail-panel {
    min-height: 0;
    overflow: visible;
  }

  .work-right-rail {
    margin-top: var(--ui-space-section);
    overflow: visible;
  }

  .task-hub-grid,
  .information-input-layout,
  .confirm-center-layout,
  .confirm-workspace,
  .meeting-detail-layout,
  .meeting-detail-grid,
  .settings-layout,
  .library-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .task-hub-grid {
    gap: 10px;
  }

  .task-hub-grid > button {
    min-height: 108px;
  }

  .meeting-filter-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .meeting-calendar-archive {
    height: auto;
    overflow: visible;
  }

  .meeting-calendar-grid {
    grid-auto-rows: 52px;
    overflow: visible;
  }

  .meeting-calendar-day {
    min-height: 52px;
  }

  .meeting-detail-header {
    align-items: flex-start;
  }

  .meeting-detail-actions,
  .confirm-fixed-actions > div {
    flex-wrap: wrap;
  }

  .input-history-pane,
  .confirm-candidate-list {
    max-height: 240px;
    overflow-y: auto;
  }

  .daily-briefing-view {
    width: 100%;
  }

  .daily-briefing-header,
  .daily-briefing-section {
    padding: 0;
  }
}

/*
 * Confirmed conversation geometry.
 * Keep the existing DOM and controls; ordinary chat uses the full workspace
 * and one shared reading axis for header, messages and composer.
 */
body.is-chat-mode {
  --chat-reading-width: 900px;
  --chat-inline-gutter: clamp(24px, 4vw, 56px);
  --chat-composer-bottom-gap: 24px;
}

body.is-chat-mode .workspace {
  width: 100%;
  max-width: none;
}

body.is-chat-mode .conversation-view {
  grid-template-columns: minmax(0, 1fr);
}

body.is-chat-mode .learning-panel {
  display: none;
}

@media (min-width: 761px) {
  body.is-chat-mode .conversation-view,
  body.is-chat-mode .chat-panel {
    width: 100%;
    height: 100%;
    min-height: 0;
  }

  body.is-chat-mode .chat-panel {
    padding-bottom: var(--chat-composer-bottom-gap);
  }

  body.is-chat-mode .chat-header {
    padding-right: max(
      var(--chat-inline-gutter),
      calc((100% - var(--chat-reading-width)) / 2)
    );
    padding-left: max(
      var(--chat-inline-gutter),
      calc((100% - var(--chat-reading-width)) / 2)
    );
  }

  body.is-chat-mode .message-list {
    padding-right: max(
      var(--chat-inline-gutter),
      calc((100% - var(--chat-reading-width)) / 2)
    );
    padding-left: max(
      var(--chat-inline-gutter),
      calc((100% - var(--chat-reading-width)) / 2)
    );
  }

  body.is-chat-mode .message {
    width: 100%;
    max-width: var(--chat-reading-width);
  }

  body.is-chat-mode .composer {
    width: min(
      calc(100% - (2 * var(--chat-inline-gutter))),
      var(--chat-reading-width)
    );
    margin: 0 auto;
  }
}

@media (min-width: 901px) {
  body.is-chat-mode .app-shell {
    grid-template-columns: var(--ui-rail-width) minmax(0, 1fr);
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
  }

  body.is-chat-mode .room-rail {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--ui-rail-width);
    height: 100dvh;
  }

  body.is-chat-mode .rail-actions {
    display: block;
    width: 100%;
    grid-template-columns: minmax(0, 1fr) !important;
  }

  body.is-chat-mode .rail-button {
    width: 100%;
  }

  body.is-chat-mode .workspace {
    grid-column: 2;
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
  }
}