:root { --calendar-event-bg: var(--accent); --calendar-event-ink: var(--accent-ink); }
/* Account home and four-section library, using shared semantic theme colors. */
.rail .brand-home {
  padding: 0;
  min-height: 64px;
  margin-bottom: 4px;
  background: transparent;
}
.rail .brand-home img.rail-brand {
  margin: 0;
}
.home-page {
  padding: 30px clamp(18px, 4vw, 68px) 56px;
  max-width: 1400px;
  margin: auto;
  font-size: var(--body-size);
  line-height: var(--body-leading);
  overflow: visible;
}
.home-page > section {
  margin-bottom: 32px;
}
.home-page h2,
.knowledge-page h2,
.library-authorization h2 {
  font-size: 1.5rem;
  line-height: 1.6;
  margin: 0;
}
.home-page p,
.knowledge-page p {
  margin: 4px 0 12px;
}
.home-people {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  max-width: 1000px;
}
.home-people .person {
  aspect-ratio: 3/4;
}
.home-activity {
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}
.heat-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.heat-calendar {
  --heat-cell: 22px;
  --heat-gap: 5px;
  display: grid;
  grid-template-columns: 42px auto;
  grid-template-rows: 26px auto;
  gap: 8px 12px;
  flex: 0 0 auto;
}
.heat-months {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(var(--heat-weeks), var(--heat-cell));
  column-gap: var(--heat-gap);
  color: var(--muted);
  font-size: .875rem;
}
.heat-months span { white-space: nowrap; }
.heat-weekdays {
  display: grid;
  grid-template-rows: repeat(7, var(--heat-cell));
  gap: var(--heat-gap);
  align-items: center;
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1;
}
.usage-heatmap {
  display: grid;
  grid-template-rows: repeat(7, var(--heat-cell));
  grid-auto-columns: var(--heat-cell);
  grid-auto-flow: column;
  gap: var(--heat-gap);
}
.usage-day {
  display: block;
  width: var(--heat-cell);
  height: var(--heat-cell);
  border-radius: 4px;
  background: var(--hover);
  position: relative;
}
.heat-total {
  display: grid;
  gap: 4px;
  border-left: 1px solid var(--line);
  padding: 8px 0 8px 26px;
  color: var(--muted);
}
.heat-total strong { font-size: 2rem; color: var(--ink); line-height: 1.3; }
.heat-total span { font-size: .875rem; }
.usage-day.level-1,
.heat-legend i:nth-child(2) {
  background: color-mix(in srgb, var(--accent) 40%, var(--hover));
}
.usage-day.level-2,
.heat-legend i:nth-child(3) {
  background: var(--accent);
}
.usage-day.level-3,
.heat-legend i:nth-child(4) {
  background: #80a743;
}
.usage-day.level-4,
.heat-legend i:nth-child(5) {
  background: #537b2d;
}
.usage-day:hover:after,
.usage-day:focus-visible:after {
  content: attr(data-tip);
  position: absolute;
  z-index: 20;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: var(--ink);
  color: var(--surface);
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 0.875rem;
  pointer-events: none;
}
.heat-legend {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.875rem;
  flex-wrap: wrap;
  margin-top: 8px;
}
.heat-legend span:last-child {
  display: flex;
  align-items: center;
  gap: 5px;
}
.heat-legend i {
  width: 12px;
  height: 12px;
  background: var(--hover);
  border-radius: 3px;
}
.home-documents {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.home-document,
.source-file {
  display: flex;
  align-items: center;
  text-align: left;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  min-width: 0;
  font-size: var(--body-size);
  line-height: 1.6;
  text-decoration: none;
}
.home-document > span,
.source-file > span:first-of-type {
  flex: 1;
  min-width: 0;
}
.home-document strong,
.source-file strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}
.home-document small,
.source-file small {
  display: block;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1rem;
}
.home-document:hover,
.source-file:hover,
.knowledge-card:hover {
  border-color: var(--focus);
  background: var(--subsurface);
}
.knowledge-tools,
.source-tabs,
.document-modes {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 24px;
  flex-wrap: wrap;
}
.knowledge-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
}
.knowledge-categories button,
.source-tabs button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--subsurface);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: var(--body-size);
  color: var(--ink);
}
.knowledge-categories [aria-pressed="true"],
.source-tabs [aria-selected="true"],
.document-modes .selected {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
}
.knowledge-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  min-width: 0;
  max-width: 100%;
}
.knowledge-search input {
  border: 0;
  background: transparent;
  padding: 3px;
  min-width: 0;
  width: 180px;
  color: var(--ink);
  font: inherit;
}
.neural-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: radial-gradient(
    ellipse at 45% 45%,
    var(--soft),
    var(--surface) 70%
  );
  padding: 20px;
  margin-top: 24px;
}
.neural-panel > p {
  font-size: 1rem;
  margin: 10px 0 0;
  text-align: center;
}
.neural-graph {
  position: relative;
  height: 360px;
  overflow: hidden;
}
.neural-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.neural-lines path {
  fill: none;
  stroke: var(--focus);
  stroke-opacity: 0.22;
  stroke-width: 0.15;
  vector-effect: non-scaling-stroke;
}
.neural-category,
.neural-idea {
  position: absolute;
  transform: translate(-50%, -50%);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
}
.neural-category {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--accent);
  max-width: 32%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.neural-idea {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  text-align: left;
  width: 28%;
  padding: 8px;
}
.neural-idea span {
  width: 9px;
  height: 9px;
  background: var(--focus);
  border-radius: 50%;
  flex: none;
  box-shadow: 0 0 0 5px var(--soft);
}
.neural-idea strong {
  font-size: 0.875rem;
  font-weight: 450;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.knowledge-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.knowledge-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 24px;
  min-height: 210px;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
  font-size: var(--body-size);
  line-height: var(--body-leading);
}
.knowledge-label {
  display: inline-block;
  color: var(--link);
  background: var(--soft);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 1rem;
}
.knowledge-card > strong {
  font-weight: 550;
  overflow-wrap: anywhere;
}
.knowledge-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: auto;
  color: var(--muted);
  font-size: 1rem;
}
.knowledge-core {
  font-size: 1.375rem;
  line-height: 1.7;
}
.citation-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 50vh;
  overflow: auto;
  font: inherit;
  padding: 18px;
  background: var(--subsurface);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.citation-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--link);
}
.library-authorization {
  max-width: 1100px;
}
.authorization-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 26px 0;
}
.library-authorization form {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.source-files,
.source-folders {
  display: grid;
  gap: 12px;
}
.source-file {
  padding: 16px 18px;
}
.source-folder {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.source-folder > .icon {
  width: 32px;
  height: 32px;
  flex: none;
  color: var(--link);
}
.source-folder > div {
  flex: 1;
  min-width: 0;
}
.source-folder h3,
.source-cloud h3 {
  margin: 0;
  font-size: 1.25rem;
  overflow-wrap: anywhere;
}
.source-folder p {
  margin: 5px 0 0;
}
.source-footnote {
  padding-top: 22px;
}
.source-scope {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin: 20px 0;
}
.source-scope label {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ws-screen dialog .source-scope label {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin: 0;
  min-height: 44px;
}
.ws-screen dialog .source-scope input[type="radio"] {
  display: inline-block;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  min-height: 22px;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
}
.source-versions {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}
.source-versions article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.source-versions a {
  display: inline-flex;
  margin: 4px;
}
.source-cloud-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.source-cloud {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  background: var(--surface);
  min-width: 0;
}
.source-cloud h3 {
  display: flex;
  align-items: center;
  gap: 12px;
}
.source-cloud section {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}
.source-cloud p {
  overflow-wrap: anywhere;
}
/* Calendar L02: shared readable geometry, with colors supplied by branding. */
.calendar-screen {
  --calendar-title-size: calc(var(--body-size) * 20 / 18);
}
.calendar-screen .ws-sidebar { width: calc(var(--body-size) * 192 / 18); padding-inline: 12px; }
.calendar-screen .ws-head, .calendar-screen .ws-content { padding-inline: 26px; }
.calendar-screen .calendar-layout { grid-template-columns: minmax(0, 1fr) 268px; }
.calendar-screen .ws-week-body .event { text-align: left; }
@media (max-width: 1250px) { .calendar-screen .calendar-layout { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 900px) { .calendar-screen .ws-head, .calendar-screen .ws-content { padding-inline: 16px; } }
.calendar-screen .ws-week-body { height: calc(var(--calendar-hour) * 24 + var(--calendar-minimum)); }
.calendar-screen .ws-week-head, .calendar-screen .ws-week-body {
  grid-template-columns: 58px repeat(var(--days), minmax(0, 1fr));
}
.calendar-screen .ws-week-body .day-col {
  background-image: repeating-linear-gradient(to bottom, transparent 0,
    transparent calc(var(--calendar-hour) - 1px), var(--line) calc(var(--calendar-hour) - 1px), var(--line) var(--calendar-hour));
}
.calendar-screen .day-col.today-col {
  background-color: color-mix(in srgb, var(--calendar-event-bg) 9%, var(--surface));
}
.calendar-screen .calendar-event-group {
  position: absolute; left: 4px; right: 4px; min-width: 0;
  padding-top: var(--calendar-time-row);
}
.calendar-screen .calendar-event-time {
  position: absolute; top: 0; left: 3px; font-size: var(--body-size);
  line-height: 1.6; color: var(--ink); white-space: nowrap;
}
.calendar-screen .ws-week-body .event {
  position: static; width: 100%; height: 100%; min-height: 0;
  display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start;
  padding: 6px 8px; border: 0; align-content: start;
  background: var(--calendar-event-bg); color: var(--calendar-event-ink);
  font-size: var(--calendar-title-size); line-height: 1.6;
}
.calendar-screen .ws-week-body .event b { font-weight: 700; overflow-wrap: anywhere; }
.calendar-screen .ws-week-body .event.compact b { -webkit-line-clamp: 1; }
.calendar-screen .ws-week-body .event.proposed {
  background: var(--subsurface); color: var(--ink); border: 1px dashed var(--muted);
}
.calendar-screen .calendar-state {
  display: block; font-weight: 700; font-size: var(--calendar-title-size);
}
.calendar-screen .agenda-item h3,
.calendar-screen .calendar-overlap-item strong { font-size: var(--calendar-title-size); line-height: 1.6; }
.calendar-screen .agenda-item .muted,
.calendar-screen .check-item,
.calendar-screen .calendar-agenda-state,
.calendar-screen .ws-month-grid small,
.calendar-screen .time-labels span { font-size: var(--body-size); line-height: 1.6; }
.calendar-screen .agenda-item { border-color: var(--calendar-event-bg); }
.calendar-screen .agenda-item::before { background: var(--calendar-event-bg); }
.calendar-screen .week-day.today b,
.calendar-screen .mini-days .today,
.calendar-screen .mobile-week .active b,
.calendar-screen .ws-head-actions .ws-btn.primary {
  background: var(--calendar-event-bg); color: var(--calendar-event-ink);
  font-size: var(--calendar-title-size); font-weight: 700; border-color: var(--calendar-event-bg);
}
.calendar-screen .ws-month-grid button.selected {
  background: color-mix(in srgb, var(--calendar-event-bg) 10%, var(--surface));
}
.calendar-screen .ws-month-grid small {
  white-space: normal; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.calendar-screen .calendar-overlap-list { display: grid; gap: 12px; }
.calendar-screen .calendar-overlap-item {
  display: grid; gap: 6px; text-align: left; white-space: normal;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px;
  font-size: var(--body-size); line-height: 1.6; width: 100%;
}
.calendar-screen .calendar-overlap-item span { color: var(--muted); }
@media (min-width: 901px) and (max-width: 1250px) {
  .calendar-screen .day-summary { display: block; margin-top: 24px; }
  .calendar-screen .mobile-week { display: none; }
}
.calendar-full-tip {
  position: fixed;
  z-index: 10000;
  width: max-content;
  max-width: min(390px, calc(100vw - 16px));
  max-height: 70vh;
  overflow: auto;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 12px 36px #0003;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  pointer-events: none;
}
.calendar-full-tip[hidden] {
  display: none;
}
@media (max-width: 1200px) {
  .knowledge-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .authorization-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .home-people {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .home-people > :nth-child(n + 4) {
    display: none;
  }
}
@media (max-width: 650px) {
  .home-page {
    padding: 18px 16px;
  }
  .home-people {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .home-people > :nth-child(n + 3) {
    display: none;
  }
  .home-documents,
  .knowledge-cards,
  .source-cloud-grid {
    grid-template-columns: 1fr;
  }
  .home-activity {
    padding: 18px 14px;
  }
  .authorization-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .neural-panel {
    padding: 12px 6px;
  }
  .neural-graph {
    height: 340px;
  }
  .neural-category {
    font-size: 0.875rem;
    padding: 6px;
    max-width: 38%;
  }
  .neural-idea {
    width: 39%;
    gap: 5px;
    padding: 4px;
  }
  .neural-idea strong {
    font-size: 0.8125rem;
  }
  .knowledge-tools {
    align-items: stretch;
  }
  .knowledge-search {
    width: 100%;
  }
  .knowledge-search input {
    flex: 1;
  }
  .source-tabs button {
    padding: 9px;
    font-size: 1rem;
  }
  .source-folder {
    padding: 16px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .home-page .section-head {
    align-items: flex-start;
  }
  .home-page .section-head h2 {
    font-size: 1.25rem;
  }
  .home-page .section-head .ws-btn {
    font-size: 0.9375rem;
    padding: 8px;
  }
  .knowledge-card {
    min-height: 170px;
  }
}

.home-heading {
  padding: 28px clamp(18px, 4vw, 68px) 0;
  max-width: 1400px;
  margin: auto;
}
.home-heading h1 {
  font-size: 2rem;
  margin: 0;
  line-height: 1.4;
}
.home-heading p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: var(--body-size);
}
.home-page .section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.home-page .ws-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 1rem;
  white-space: nowrap;
}
.ws-screen .neural-category {
  background: var(--accent);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  color: var(--accent-ink);
}
.ws-screen .neural-idea {
  padding: 7px 2px;
  background: transparent;
  max-width: 49%;
  width: 49%;
  justify-content: flex-start;
}
.ws-screen .knowledge-card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 16px;
  padding: 24px;
  display: flex;
}
.ws-screen .knowledge-label {
  text-align: left;
}
.ws-screen .person {
  display: block;
  padding: 0;
  border-radius: 18px;
  line-height: normal;
  color: #fff;
}
.ws-screen .person-caption {
  text-align: left;
}
@media (max-width: 650px) {
  .home-page .section-head {
    align-items: flex-start;
  }
  .home-heading {
    padding-top: 20px;
  }
  .neural-idea strong {
    font-size: 0.8125rem;
  }
  .ws-screen .neural-category {
    padding: 6px;
    max-width: 38%;
  }
}

.home-heading,
.home-page {
  width: 100%;
  flex-shrink: 0;
}
.home-page {
  overflow: auto;
  min-height: 0;
  flex: 1;
  flex-shrink: 1;
}
.home-people {
  max-width: 760px;
}
.home-people .person {
  aspect-ratio: 3/5;
}
.ws-screen .neural-lines path {
  stroke-width: 1.2;
}
@media (max-width: 650px) {
  .home-people {
    max-width: 500px;
  }
}

.calendar-full-tip {
  pointer-events: auto;
}

@media (max-width: 1100px) {
  .heat-calendar { --heat-cell: 18px; --heat-gap: 4px; }
  .heat-content { gap: 18px; }
  .home-documents { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 650px) {
  .heat-calendar { --heat-cell: 14px; --heat-gap: 3px; grid-template-columns: 34px auto; column-gap: 8px; }
  .heat-content { display: block; }
  .heat-total { display: none; }
  .home-documents { grid-template-columns: 1fr; }
}
@media (max-width: 360px) {
  .heat-calendar { --heat-cell: 12px; --heat-gap: 3px; grid-template-columns: 30px auto; column-gap: 6px; }
}

.home-activity > .section-head > span {
  flex-shrink: 0;
  white-space: nowrap;
  font-size: .875rem;
}