.paper {
  display: flex;
  flex-direction: column;
  gap: 3.3cm;
}
.paper > .sheet,
.paper > .sheet-spread > .sheet {
  width: 210mm;
  height: 297mm;
  min-height: 297mm;
  max-height: 297mm;
  margin: 0 auto;
  overflow: hidden;
}
.paper > .sheet.sheet--landscape,
.paper > .sheet-spread > .sheet.sheet--landscape {
  width: 297mm;
  min-width: 297mm;
  max-width: 297mm;
  height: 210mm;
  min-height: 210mm;
  max-height: 210mm;
}
.paper > .sheet > .sheet-content,
.paper > .sheet-spread > .sheet > .sheet-content {
  height: 297mm;
  min-height: 297mm;
  max-height: 297mm;
  overflow-x: hidden;
  overflow-y: hidden;
}
.paper > .sheet.sheet--landscape > .sheet-content,
.paper > .sheet-spread > .sheet.sheet--landscape > .sheet-content {
  height: 210mm;
  min-height: 210mm;
  max-height: 210mm;
}
.sheet-spread {
  display: contents;
}
.paper.is-diagram-spread .sheet-spread {
  display: grid;
  grid-template-columns: repeat(var(--spread-columns, 1), max-content);
  width: max-content;
  max-width: none;
  margin: 0 auto;
  align-items: flex-start;
  gap: 2mm;
  zoom: var(--spread-fit-scale, 1);
}
.paper.is-diagram-spread .sheet-spread > .sheet {
  flex: 0 0 auto;
}
.viewer-chrome {
  position: sticky;
  top: 0;
  z-index: 80;
  width: 100%;
}
.viewer-action-toast {
  position: absolute;
  z-index: 12;
  right: 9px;
  bottom: 9px;
  max-width: min(720px, calc(100vw - 18px));
  box-sizing: border-box;
  overflow: hidden;
  border: 1px solid #42b8e7;
  border-radius: 3px;
  background: #102c38ee;
  color: #dff7ff;
  padding: 5px 9px;
  box-shadow: 0 4px 14px #0007;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 750 10px/1.25 ui-monospace, monospace;
}
.viewer-chrome .topbar {
  position: sticky;
  top: 0;
  z-index: 90;
}
.viewpoint-bar {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 1px;
  min-height: 31px;
  border-top: 1px solid #9aa8ae;
  border-bottom: 1px solid #718087;
  background: #718087;
  box-shadow: 0 2px 5px #0002;
}
.viewpoint-bar button {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 5px;
  min-width: 0;
  border: 0;
  background: #f7f9fa;
  color: #1f3038;
  padding: 5px 7px;
  text-align: left;
  cursor: pointer;
}
.viewpoint-bar button:hover,
.viewpoint-bar button:focus-visible {
  z-index: 1;
  background: #e9f3f7;
  outline: 2px solid #287495;
  outline-offset: -2px;
}
.viewpoint-bar button[aria-current="location"] {
  background: #dcecf3;
  box-shadow: inset 0 -3px 0 #167ca4;
}
.viewpoint-bar button > span {
  color: #1b6785;
  font: 850 10px/1 ui-monospace, monospace;
}
.viewpoint-bar button > strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 750 10px/1.1 system-ui, sans-serif;
}
.viewpoint-bar button.is-unavailable {
  background: #eef0f1;
  color: #5d686d;
  cursor: not-allowed;
}
.viewpoint-bar button.is-unavailable > span {
  color: #68747a;
}
.viewpoint-bar button.is-unavailable > small {
  border: 1px solid #9da7ab;
  border-radius: 2px;
  padding: 1px 3px;
  font: 750 7px/1 ui-monospace, monospace;
}
.card-library-toggle {
  display: inline-flex;
  align-items: center;
  flex: none;
  height: 28px;
  gap: 6px;
  border: 1px solid #6e7d84;
  border-radius: 3px;
  background: #f6f8f9;
  color: #26373f;
  padding: 2px 8px;
  font: 750 11px/1 ui-monospace, monospace;
  cursor: pointer;
}
.card-library-toggle:hover,
.card-library-toggle:focus-visible {
  border-color: #1d7799;
  background: #edf7fa;
  outline: none;
}
.card-library-toggle.is-active {
  border-color: #126d8f;
  background: #174f67;
  color: #fff;
}
.card-library-toggle-icon {
  font: 700 16px/1 system-ui, sans-serif;
}
.card-library-toggle kbd {
  color: #267697;
  font: inherit;
}
.card-library-toggle.is-active kbd {
  color: #aee9ff;
}
:root {
  --side-panel-top: 36px;
  --side-panel-width: min(960px, calc(100vw - 28px));
  --side-panel-trigger-length: 56px;
}
.side-panel-dock {
  position: fixed;
  z-index: 240;
  top: var(--side-panel-top);
  bottom: 0;
  width: 0;
  pointer-events: none;
}
.side-panel-dock--left {
  left: 0;
}
.side-panel-dock--right {
  right: 0;
}
.side-panel-rail {
  position: fixed;
  z-index: 243;
  top: calc(var(--side-panel-top) + 8px);
  display: flex;
  width: 13px;
  flex-direction: column;
  gap: 10px;
  pointer-events: auto;
}
.side-panel-dock--left .side-panel-rail {
  left: 0;
}
.side-panel-dock--right .side-panel-rail {
  right: 0;
}
.side-panel-trigger {
  --side-panel-accent: #167ca4;
  position: relative;
  display: grid;
  width: 13px;
  height: var(--side-panel-trigger-length);
  place-items: center;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}
.side-panel-trigger::before {
  content: "";
  display: block;
  width: 3px;
  height: calc(var(--side-panel-trigger-length) - 8px);
  border-radius: 999px;
  background: var(--side-panel-accent);
  box-shadow: 0 0 0 1px rgb(255 255 255 / 45%), 0 3px 10px -5px var(--side-panel-accent);
  opacity: .78;
  transition: width 140ms ease, opacity 140ms ease, box-shadow 140ms ease;
}
.side-panel-trigger:hover::before,
.side-panel-trigger:focus-visible::before,
.side-panel-trigger.is-open::before {
  width: 4px;
  opacity: 1;
}
.side-panel-trigger.is-pinned::before {
  width: 5px;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 62%), 0 3px 12px -4px var(--side-panel-accent);
}
.side-panel-trigger:focus-visible {
  outline: 2px solid var(--side-panel-accent);
  outline-offset: -2px;
}
.side-panel-trigger > span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.side-panel {
  position: fixed;
  z-index: 241;
  top: var(--side-panel-top);
  bottom: 0;
  display: flex;
  width: var(--side-panel-width);
  max-width: calc(100vw - 20px);
  box-sizing: border-box;
  flex-direction: column;
  overflow: hidden;
  border-color: #819098;
  background: #f7f9fa;
  color: #17252c;
  pointer-events: none;
  transition: transform 180ms cubic-bezier(.22, .78, .24, 1);
  will-change: transform;
}
.side-panel-dock--left .side-panel {
  left: 0;
  border-right: 1px solid #819098;
  box-shadow: 15px 0 34px -24px rgb(16 27 33 / 55%);
  transform: translateX(calc(-100% - 14px));
}
.side-panel-dock--right .side-panel {
  right: 0;
  border-left: 1px solid #819098;
  box-shadow: -15px 0 34px -24px rgb(16 27 33 / 55%);
  transform: translateX(calc(100% + 14px));
}
.side-panel.is-open {
  transform: translateX(0);
  pointer-events: auto;
}
.side-panel::after {
  content: "";
  position: absolute;
  top: 10px;
  width: 4px;
  height: 48px;
  border-radius: 999px;
  background: var(--side-panel-accent);
  pointer-events: none;
}
.side-panel-dock--left .side-panel::after {
  right: -2px;
}
.side-panel-dock--right .side-panel::after {
  left: -2px;
}
.side-panel-header {
  display: flex;
  min-height: 38px;
  box-sizing: border-box;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid #aebbc1;
  background: #e7edef;
  padding: 4px 7px 4px 10px;
}
.side-panel-header > div:first-child {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 7px;
}
.side-panel-header small {
  color: #52666f;
  font: 600 16px/1 ui-monospace, monospace;
  letter-spacing: .08em;
}
.side-panel-header strong {
  overflow: hidden;
  color: #11191d;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 600 16px/1.2 system-ui, sans-serif;
}
.side-panel-actions {
  display: flex;
  flex: none;
  gap: 4px;
}
.side-panel-actions button {
  display: grid;
  min-width: 38px;
  height: 24px;
  place-items: center;
  border: 1px solid #8b999f;
  border-radius: 3px;
  background: #fff;
  color: #26373f;
  padding: 0 6px;
  font: 650 16px/1 ui-monospace, monospace;
  cursor: pointer;
}
.side-panel-actions button:last-child {
  min-width: 24px;
  padding: 0;
  font-size: 18px;
}
.side-panel-actions button:hover,
.side-panel-actions button:focus-visible,
.side-panel-actions button.is-pinned {
  border-color: var(--side-panel-accent);
  background: #edf7fa;
  outline: none;
}
.side-panel-body {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
}
.card-library-panel {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
}
.card-library-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 18px 15px;
  border-bottom: 1px solid #bdc9ce;
  background: #e8eef1;
}
.card-library-header small {
  color: #52666f;
  font: 600 16px/1.25 ui-monospace, monospace;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.card-library-header h2 {
  margin: 4px 0 2px;
  font: 750 22px/1.15 system-ui, sans-serif;
}
.card-library-header p {
  margin: 0;
  color: #607078;
  font: 500 16px/1.35 system-ui, sans-serif;
}
.card-library-header > button {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  flex: none;
  border: 1px solid #77878e;
  border-radius: 3px;
  background: #fff;
  color: #25353c;
  padding: 0;
  font: 25px/1 system-ui, sans-serif;
  cursor: pointer;
}
.card-library-header > button:hover,
.card-library-header > button:focus-visible {
  border-color: #126d8f;
  background: #edf7fa;
  outline: 2px solid #85c5dc;
  outline-offset: 1px;
}
.card-library-tree {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 6px 0 18px;
  scrollbar-color: #8a9aa1 #edf1f3;
}
.card-library-tree details {
  border: 0;
}
.card-library-tree summary {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  box-sizing: border-box;
  padding: 5px 10px 5px 4px;
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.card-library-tree summary::-webkit-details-marker {
  display: none;
}
.card-library-tree summary:hover,
.card-library-tree summary:focus-visible {
  background: #eaf1f4;
  outline: none;
}
.card-library-branch {
  color: #25363d;
  font: 16px/1 ui-monospace, monospace;
  transform: rotate(-90deg);
  transition: transform 120ms ease;
}
.card-library-tree details[open] > summary .card-library-branch {
  transform: rotate(0);
}
.card-library-tree summary strong,
.card-library-tree summary small {
  display: block;
}
.card-library-tree summary strong {
  color: #070a0b;
  font: 550 16px/1.3 system-ui, sans-serif;
}
.card-library-tree summary small {
  margin-top: 2px;
  color: #303b40;
  font: 500 16px/1.25 ui-monospace, monospace;
  letter-spacing: .04em;
}
.card-library-tree summary output {
  min-width: 22px;
  color: #26363d;
  padding: 0 2px;
  text-align: center;
  font: 550 16px/1.2 ui-monospace, monospace;
}
.card-library-subject > summary {
  min-height: 42px;
  border-bottom: 1px solid #9eacb2;
  background: #dfe8ec;
  padding: 7px 14px;
}
.card-library-subject > summary:hover,
.card-library-subject > summary:focus-visible {
  background: #d5e1e5;
}
.card-library-subject > summary strong {
  color: #000;
  font: 600 16px/1.3 system-ui, sans-serif;
}
.card-library-subject > summary small {
  color: #28353a;
  font: 500 16px/1.25 ui-monospace, monospace;
}
.card-library-level-list {
  margin-left: 18px;
  border-left: 1px solid #8e9da4;
}
.card-library-level > summary {
  min-height: 38px;
  border-bottom: 1px solid #cbd4d8;
  padding-left: 8px;
}
.card-library-level > summary strong {
  color: #000;
  font: 550 16px/1.3 system-ui, sans-serif;
}
.card-library-series-list {
  margin-left: 18px;
  border-left: 1px solid #a5b1b6;
  padding: 2px 0 6px;
}
.card-library-series > summary {
  min-height: 34px;
  padding-left: 8px;
}
.card-library-series > summary strong {
  color: #000;
  font: 550 16px/1.3 system-ui, sans-serif;
}
.card-library-series > summary small {
  color: #26343a;
  font: 500 16px/1.25 ui-monospace, monospace;
}
.card-library-cards,
.card-library-tasks {
  list-style: none;
  margin-top: 0;
  margin-bottom: 2px;
  padding: 0;
}
.card-library-cards {
  margin-left: 18px;
  border-left: 1px solid #bac3c7;
}
.card-library-card-entry {
  margin: 0;
}
.card-library-card {
  display: grid;
  grid-template-columns: 19px minmax(0, 1fr) auto;
  align-items: start;
  gap: 5px;
  min-height: 38px;
  box-sizing: border-box;
  border: 0;
  border-left: 3px solid transparent;
  color: #000;
  padding: 5px 8px 5px 3px;
  text-decoration: none;
}
.card-library-node {
  color: #536168;
  font: 16px/1.35 ui-monospace, monospace;
}
.card-library-card-copy,
.card-library-card-copy strong,
.card-library-card-copy > span {
  display: block;
  min-width: 0;
}
.card-library-card-copy strong {
  color: #000;
  font: 550 16px/1.3 ui-monospace, monospace;
}
.card-library-card-copy > span {
  margin-top: 2px;
  color: #0b0d0e;
  font: 500 16px/1.35 system-ui, sans-serif;
  white-space: normal;
}
.card-library-card-meta {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 2px;
}
.card-library-card-meta small {
  color: #26343a;
  font: 500 16px/1.25 ui-monospace, monospace;
}
.card-library-card.is-available {
  cursor: pointer;
}
.card-library-card.is-available:hover,
.card-library-card.is-available:focus-visible {
  background: #eaf5f8;
  outline: none;
}
.card-library-card.is-current {
  border-left-color: #16769b;
  background: #dff1f7;
}
.card-library-card.is-current:hover,
.card-library-card.is-current:focus-visible {
  background: #cfeaf3;
  outline: 1px solid #5ba9c4;
  outline-offset: -1px;
}
.card-library-card.is-unavailable {
  color: #000;
}
.card-library-card.is-unavailable .card-library-card-copy strong,
.card-library-card.is-unavailable .card-library-card-meta small {
  color: #1d292e;
}
.card-library-card.is-unavailable .card-library-card-copy > span {
  color: #0b0d0e;
}
.card-library-tasks {
  margin-left: 36px;
  border-left: 1px solid #c3cacc;
}
.card-library-tasks li > a,
.card-library-tasks li > span {
  display: grid;
  grid-template-columns: 19px auto minmax(0, 1fr);
  gap: 5px;
  align-items: start;
  color: #000;
  padding: 4px 8px 5px 3px;
  text-decoration: none;
}
.card-library-tasks li > a:hover,
.card-library-tasks li > a:focus-visible {
  background: #eaf5f8;
  outline: none;
}
.card-library-tasks strong {
  color: #000;
  font: 550 16px/1.35 ui-monospace, monospace;
}
.card-library-tasks li > a > span:last-child,
.card-library-tasks li > span > span:last-child {
  color: #111;
  font: 500 16px/1.35 system-ui, sans-serif;
}
.card-library-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 16px;
  border-top: 1px solid #bdc9ce;
  background: #edf1f3;
  color: #5a6a72;
  font: 500 16px/1.3 system-ui, sans-serif;
}
.card-library-footer span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.card-library-footer i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #929da2;
}
.card-library-footer i.is-online {
  background: #26815b;
}
.card-library-footer kbd {
  margin-left: auto;
  border: 1px solid #a2afb5;
  border-radius: 2px;
  background: #fff;
  padding: 2px 5px;
  font: 600 16px/1 ui-monospace, monospace;
}

/* Shared tree-widget presentation: the library uses the same tabular grammar
   as the classroom tree (tree column, fixed metadata columns, sticky head). */
.card-library-treegrid {
  min-height: 0;
  flex: 1;
  overflow: auto;
  margin: 8px;
  border: 1px solid rgb(31 35 40 / 18%);
  border-radius: 6px;
  background: #fff;
  scrollbar-color: #93a2a8 #edf1f2;
  scrollbar-width: thin;
}
.card-library-treegrid-row {
  display: grid;
  min-width: 760px;
  min-height: 38px;
  box-sizing: border-box;
  grid-template-columns: minmax(500px, 1fr) 110px 120px;
  align-items: stretch;
  border-bottom: 1px solid rgb(31 35 40 / 9%);
  color: #273941;
  font: 500 16px/1.25 ui-monospace, monospace;
}
.card-library-treegrid-row > [role="gridcell"],
.card-library-treegrid-row > [role="columnheader"] {
  display: flex;
  min-width: 0;
  align-items: center;
  overflow: hidden;
  padding: 7px 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.card-library-treegrid-row > [role="gridcell"] + [role="gridcell"],
.card-library-treegrid-row > [role="columnheader"] + [role="columnheader"] {
  border-left: 1px solid rgb(31 35 40 / 9%);
}
.card-library-treegrid-head {
  position: sticky;
  z-index: 3;
  top: 0;
  min-height: 34px;
  border-bottom-color: rgb(31 35 40 / 20%);
  background: #eef1f2;
  color: #3e525b;
  font-weight: 700;
  letter-spacing: .045em;
}
.card-library-treegrid-row:not(.card-library-treegrid-head):hover {
  background: rgb(31 35 40 / 4%);
}
.card-library-treegrid-row.is-subject {
  background: #dfe8e5;
}
.card-library-treegrid-row.is-level {
  background: #f5f8f8;
}
.card-library-treegrid-row.is-series {
  background: #f9fbfb;
}
.card-library-treegrid-row.is-card {
  min-height: 42px;
  background: #fff;
}
.card-library-treegrid-row.is-task {
  background: #fbfcfc;
}
.card-library-treegrid-row.is-current {
  box-shadow: inset 3px 0 #1680a5;
  background: #e1f1f6;
}
.card-library-tree-title {
  gap: 6px;
  padding-left: calc(8px + (var(--card-library-depth, 0) * 21px)) !important;
  font-family: system-ui, sans-serif;
}
.card-library-tree-expander {
  display: inline-grid;
  width: 24px;
  height: 24px;
  flex: none;
  place-items: center;
  border: 0;
  background: transparent;
  color: #405961;
  padding: 0;
  font: 18px/1 ui-monospace, monospace;
  cursor: pointer;
}
.card-library-tree-expander:hover,
.card-library-tree-expander:focus-visible {
  background: rgb(22 93 107 / 10%);
  color: #165d6b;
  outline: 1px solid rgb(22 93 107 / 28%);
}
.card-library-tree-expander.is-empty {
  cursor: default;
}
.card-library-tree-link,
.card-library-tree-label {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 7px;
  overflow: hidden;
  color: #10181c;
  text-decoration: none;
  white-space: nowrap;
}
.card-library-tree-link:hover,
.card-library-tree-link:focus-visible {
  color: #075d7c;
  outline: none;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.card-library-tree-link strong,
.card-library-tree-label strong {
  flex: none;
  color: inherit;
  font: 700 16px/1.25 ui-monospace, monospace;
}
.card-library-tree-link > span,
.card-library-tree-label > span {
  min-width: 0;
  overflow: hidden;
  color: inherit;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 500 16px/1.25 system-ui, sans-serif;
}
.card-library-treegrid-row.is-subject .card-library-tree-label strong,
.card-library-treegrid-row.is-level .card-library-tree-label strong,
.card-library-treegrid-row.is-series .card-library-tree-label strong {
  font-family: system-ui, sans-serif;
  font-weight: 650;
}
.card-library-tree-state {
  display: inline-flex;
  min-width: 76px;
  min-height: 24px;
  box-sizing: border-box;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 5px;
  color: #33474f;
  padding: 2px 7px;
  font: 650 14px/1 ui-monospace, monospace;
  white-space: nowrap;
}
.card-library-tree-state[data-state="current"] {
  border-color: #3184a0;
  background: #e9f5f8;
  color: #075d7c;
}
.card-library-tree-state[data-state="online"] {
  border-color: #4b9a7a;
  background: #edf8f2;
  color: #176144;
}
.card-library-tree-state[data-state="plan"] {
  border-color: #c59a49;
  background: #fff7e5;
  color: #775313;
}
.card-library-treegrid-row.is-unavailable .card-library-tree-label,
.card-library-treegrid-row.is-unavailable .card-library-tree-label strong {
  color: #10181c;
}
.side-toc,
.side-progress {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  background: #fff;
  color: #11191d;
}
.side-toc > header,
.side-progress > header {
  padding: 16px 18px 13px;
  border-bottom: 1px solid #bdc9ce;
  background: #f0f4f5;
}
.side-toc > header small,
.side-progress > header small {
  color: #53666f;
  font: 750 9px/1 ui-monospace, monospace;
  letter-spacing: .08em;
}
.side-toc > header h2,
.side-progress > header h2 {
  margin: 4px 0 0;
  color: #10181c;
  font: 750 21px/1.15 system-ui, sans-serif;
}
.side-toc ol {
  margin: 0;
  padding: 7px 0 20px;
  list-style: none;
}
.side-toc li {
  border-bottom: 1px solid #e2e7e9;
}
.side-toc a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 9px;
  align-items: baseline;
  padding: 10px 16px;
  color: #11191d;
  text-decoration: none;
}
.side-toc a:hover,
.side-toc a:focus-visible {
  background: #eaf5f8;
  outline: none;
}
.side-toc a span {
  color: #267493;
  font: 800 10px/1 ui-monospace, monospace;
}
.side-toc a strong {
  font: 650 13px/1.3 system-ui, sans-serif;
}
.side-progress-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 16px;
  border: 1px solid #b6c2c7;
  background: #f4f7f8;
  padding: 14px;
  font: 650 13px/1.3 system-ui, sans-serif;
}
.side-progress-summary strong {
  color: #1d617b;
  font: 850 20px/1 ui-monospace, monospace;
}
.side-progress-links {
  display: grid;
  gap: 8px;
  padding: 0 16px 18px;
}
.side-progress-links a {
  border: 1px solid #87979e;
  border-radius: 3px;
  background: #fff;
  color: #174f67;
  padding: 10px 12px;
  text-decoration: none;
  font: 700 12px/1.2 system-ui, sans-serif;
}
.side-progress-links a:hover,
.side-progress-links a:focus-visible {
  border-color: #167ca4;
  background: #edf7fa;
  outline: none;
}
.side-progress-error {
  margin: 0 16px 14px;
  border-left: 3px solid #a52d2d;
  background: #fff1f1;
  color: #7d1f1f;
  padding: 8px 10px;
  font: 12px/1.35 system-ui, sans-serif;
}
.classroom-panel {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  background: #f7f9fa;
  color: #11191d;
}
.classroom-treegrid {
  min-height: 0;
  flex: 1;
  overflow: auto;
  margin: 8px;
  border: 1px solid rgb(31 35 40 / 18%);
  border-radius: 6px;
  background: #fff;
  scrollbar-color: #93a2a8 #edf1f2;
  scrollbar-width: thin;
}
.classroom-treegrid-row {
  display: grid;
  min-width: 920px;
  box-sizing: border-box;
  grid-template-columns: minmax(410px, 1fr) 100px 150px 150px 110px;
  align-items: center;
  border-bottom: 1px solid rgb(31 35 40 / 8%);
  color: #273941;
  font: 500 16px/1.25 ui-monospace, monospace;
}
.classroom-treegrid-row > [role="gridcell"],
.classroom-treegrid-row > [role="columnheader"] {
  min-width: 0;
  overflow: hidden;
  padding: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.classroom-treegrid-row > [role="gridcell"] + [role="gridcell"],
.classroom-treegrid-row > [role="columnheader"] + [role="columnheader"] {
  border-left: 1px solid rgb(31 35 40 / 8%);
}
.classroom-treegrid-head {
  position: sticky;
  z-index: 2;
  top: 0;
  border-bottom-color: rgb(31 35 40 / 18%);
  background: #eef1f2;
  color: #3e525b;
  font-weight: 650;
  letter-spacing: .04em;
}
.classroom-node-row:hover {
  background: rgb(31 35 40 / 4%);
}
.classroom-node-row.is-class {
  background: #dfe8e5;
}
.classroom-node-row.is-student {
  background: #f8faf9;
}
.classroom-node-row.is-task {
  background: #edf3f5;
}
.classroom-node-row.is-block,
.classroom-node-row.is-exercises {
  background: #f5f7f8;
}
.classroom-node-row.is-phase {
  background: #fafbfb;
}
.classroom-node-title {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: calc(8px + (var(--classroom-depth, 0) * 20px)) !important;
  font-family: system-ui, sans-serif;
}
.classroom-node-title strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
  font-weight: 500;
}
.classroom-node-row.is-class .classroom-node-title strong,
.classroom-node-row.is-student .classroom-node-title strong,
.classroom-node-row.is-task .classroom-node-title strong {
  font-weight: 650;
}
.classroom-expander {
  display: inline-grid;
  width: 24px;
  height: 24px;
  flex: none;
  place-items: center;
  border: 0;
  background: transparent;
  color: #405961;
  padding: 0;
  font: 18px/1 ui-monospace, monospace;
  cursor: pointer;
}
.classroom-expander:hover,
.classroom-expander:focus-visible {
  background: rgb(22 93 107 / 10%);
  color: #165d6b;
  outline: 1px solid rgb(22 93 107 / 28%);
}
.classroom-expander.is-empty {
  cursor: default;
}
.classroom-status,
.classroom-sync,
.classroom-visit,
.classroom-commit {
  display: inline-flex;
  min-width: 92px;
  box-sizing: border-box;
  align-items: center;
  justify-content: center;
  border: 1px solid;
  border-radius: 5px;
  padding: 4px 6px;
  font: 550 16px/1 ui-monospace, monospace;
  letter-spacing: .015em;
}
.classroom-status[data-status="online"] {
  border-color: #6b9a87;
  background: #e7f4ee;
  color: #155e43;
}
.classroom-status[data-status="away"] {
  border-color: #baa06a;
  background: #fff5d9;
  color: #765510;
}
.classroom-status[data-status="offline"] {
  border-color: #a5afb3;
  background: #f0f2f3;
  color: #596970;
}
.classroom-status[data-status="error"] {
  border-color: #bd7b7b;
  background: #fff0f0;
  color: #8c2929;
}
.classroom-sync[data-sync="follow"] {
  border-color: #6c98aa;
  background: #e8f3f7;
  color: #155c77;
}
.classroom-sync[data-sync="paused"] {
  border-color: #baa06a;
  background: #fff6df;
  color: #765510;
}
.classroom-sync[data-sync="local"] {
  border-color: #9a86ae;
  background: #f4eef9;
  color: #65427c;
}
.classroom-visit[data-visit="present"],
.classroom-commit[data-commit="committed"] {
  border-color: #6b9a87;
  background: #e7f4ee;
  color: #155e43;
}
.classroom-visit[data-visit="missed"],
.classroom-commit[data-commit="missing"] {
  border-color: #bd7b7b;
  background: #fff0f0;
  color: #8c2929;
}
.classroom-visit[data-visit="pending"],
.classroom-commit[data-commit="working"] {
  border-color: #baa06a;
  background: #fff6df;
  color: #765510;
}
.classroom-legend {
  display: flex;
  flex: none;
  flex-wrap: wrap;
  gap: 7px 12px;
  border-top: 1px solid #aebbc1;
  background: #edf1f2;
  padding: 9px 11px;
  color: #485c65;
  font: 500 16px/1.35 system-ui, sans-serif;
}
.classroom-legend span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.classroom-legend i {
  width: 12px;
  height: 12px;
  border: 1px solid #73858c;
  border-radius: 50%;
  background: #aeb7bb;
}
.classroom-legend i[data-status="online"] {
  border-color: #3e7c63;
  background: #45a27b;
}
.classroom-legend i[data-status="away"] {
  border-color: #a0782d;
  background: #dcae51;
}
.classroom-legend i[data-status="offline"] {
  border-color: #859399;
  background: #b6c0c4;
}
.classroom-legend b {
  color: #65427c;
  font: 600 16px/1 ui-monospace, monospace;
}
.viewer-chrome.is-nvim-fit {
  display: flex;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  max-height: 100dvh;
  flex-direction: column;
  overflow: hidden;
  background: #11171a;
}
.viewer-chrome.is-nvim-fit .topbar {
  flex: none;
}
.viewer-chrome.is-nvim-fit .viewpoint-bar {
  flex: none;
}
.viewer-chrome.is-nvim-fit .allocator-panel {
  flex: none;
}
.viewer-chrome.is-nvim-fit .nvim-panel {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
}
.viewer-chrome.is-nvim-fit .nvim-screen-scroll {
  min-height: 0;
  height: auto !important;
  flex: 1;
}
.viewer-chrome.is-nvim-fit .nvim-resize-handle {
  display: none;
}
.viewer-chrome.is-nvim-fit .nvim-screen-stage {
  width: 100%;
  height: 100%;
  margin: 0;
  zoom: 1;
}
.viewer-chrome.is-nvim-fit .nvim-screen-content {
  right: 1mm;
  overflow: hidden;
  scrollbar-width: none;
}
.viewer-chrome.is-nvim-fit .nvim-screen-grid {
  display: flex;
  width: 100%;
  min-height: 0;
  height: 100%;
  align-items: center;
  justify-content: center;
}
.viewer-chrome.is-nvim-fit .nvim-screen {
  width: auto !important;
  height: auto !important;
  max-width: 100%;
  max-height: 100%;
}
.viewer-chrome.is-nvim-fit .nvim-screen-content::-webkit-scrollbar {
  display: none;
}
.topbar-nvim-section {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 6px;
}
.nvim-toolbar-boundary {
  flex: none;
  color: #6f7d83;
  font: 700 14px/1 ui-monospace, monospace;
}
.nvim-toolbar-context {
  flex: none;
  width: 5ch;
  color: #263238;
  font: 800 12px/1 ui-monospace, monospace;
  letter-spacing: .08em;
  text-align: center;
}
.nvim-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 3px;
}
.nvim-toolbar-button {
  display: inline-flex;
  align-items: center;
}
.nvim-toolbar-key {
  flex: 0 0 2ch;
  color: #267697;
  font: inherit;
  text-align: center;
}
.nvim-toolbar-label {
  flex: 0 0 5ch;
  max-width: 5ch;
  overflow: hidden;
  text-align: left;
  white-space: nowrap;
}
.topbar-nvim-meta {
  display: flex;
  align-items: baseline;
  min-width: 0;
  max-width: min(44vw, 720px);
  gap: 6px;
}
.topbar-nvim-meta strong,
.topbar-nvim-meta small {
  overflow: auto;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar-nvim-meta strong {
  color: #263238;
  font: 700 12px/1.25 system-ui, sans-serif;
}
.topbar-nvim-meta small {
  color: #66747a;
  font: 500 10px/1.25 system-ui, sans-serif;
}
.viewer-nvim-toggle {
  border: 1px solid #68747a;
  border-radius: 3px;
  background: #fff;
  color: #263238;
  padding: 2px 8px;
  font: 650 16px/1.3 system-ui, sans-serif;
  cursor: pointer;
}
.viewer-nvim-toggle[aria-pressed="true"] {
  border-color: #267697;
  background: #eaf6fb;
  color: #174d64;
}
.allocator-panel {
  width: 100%;
  box-sizing: border-box;
  border-top: 1px solid #40515a;
  border-bottom: 1px solid #40515a;
  background: #f7f9f5;
  color: #182127;
  box-shadow: 0 4px 12px #0002;
  font: 11px/1.25 system-ui, sans-serif;
}
.allocator-panel > header {
  display: grid;
  grid-template-columns: 125px minmax(260px, auto) 1fr;
  gap: 8px;
  align-items: baseline;
  min-height: 22px;
  padding: 3px 8px;
  border-bottom: 1px solid #b7c1c4;
  background: #e8eef0;
}
.allocator-panel > header > span {
  color: #166987;
  font: 800 9px/1.2 ui-monospace, monospace;
  letter-spacing: .06em;
}
.allocator-panel > header > strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 750 11px/1.2 ui-monospace, monospace;
}
.allocator-panel > header > small {
  overflow: hidden;
  color: #536168;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.allocator-panel-body {
  display: grid;
  grid-template-columns: 230px minmax(420px, 1fr) minmax(310px, .8fr);
  gap: 9px;
  align-items: stretch;
  padding: 5px 8px 7px;
}
.allocator-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px 8px;
  margin: 0;
}
.allocator-metrics > div {
  min-width: 0;
  border-left: 2px solid #8ea2ab;
  padding-left: 5px;
}
.allocator-metrics dt {
  color: #627077;
  font: 750 7px/1.2 ui-monospace, monospace;
  letter-spacing: .05em;
}
.allocator-metrics dd {
  margin: 1px 0 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 700 10px/1.2 ui-monospace, monospace;
}
.allocator-arena-view {
  min-width: 0;
}
.allocator-arena-view.is-inactive {
  opacity: .42;
}
.allocator-arena-labels {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 3px;
  color: #536168;
  font: 700 8px/1.2 ui-monospace, monospace;
}
.allocator-arena-labels strong {
  color: #075f80;
}
.allocator-pinned-arena {
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--allocator-size), minmax(2px, 1fr));
  height: 32px;
  border: 1px solid #28343a;
  background: #fff;
}
.allocator-pinned-arena i {
  min-width: 0;
  border-right: 1px solid #e1e5e6;
  background: #fbfcfc;
}
.allocator-pinned-arena i:nth-child(8n) {
  border-right-color: #87969d;
}
.allocator-pinned-arena i.is-allocated {
  border-right-color: #b2d8e6;
  background: #43a8ce;
}
.allocator-cursor {
  position: absolute;
  z-index: 2;
  top: -4px;
  bottom: -4px;
  width: 2px;
  background: #d02d25;
  transform: translateX(-1px);
  box-shadow: 0 0 0 1px #fff9;
}
.allocator-cursor::before {
  content: "allocp";
  position: absolute;
  top: 1px;
  left: 4px;
  color: #8d1d17;
  font: 800 7px/1 ui-monospace, monospace;
}
.allocator-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 7px;
  min-width: 0;
}
.allocator-facts > div {
  display: flex;
  min-width: 0;
  justify-content: space-between;
  gap: 5px;
  border-bottom: 1px dotted #b4bec2;
}
.allocator-facts span {
  overflow: hidden;
  color: #46565e;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.allocator-facts code {
  overflow: hidden;
  color: #142e39;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 700 9px/1.3 ui-monospace, monospace;
}
.allocator-facts p {
  grid-column: 1 / -1;
  margin: 0;
  color: #647278;
}
.nvim-panel {
  width: 100%;
  box-sizing: border-box;
  border-bottom: 1px solid #52616a;
  background: var(--desk, #eee);
  color: #e7eef1;
  box-shadow: 0 5px 16px #0004;
  font: 12px/1.3 system-ui, sans-serif;
}
.nvim-status {
  flex: none;
  border: 1px solid #66757c;
  border-radius: 999px;
  padding: 1px 6px;
  color: #c9d3d8;
  font: 750 9px/1.35 ui-monospace, monospace;
  letter-spacing: 0.04em;
}
.nvim-status--connected,
.nvim-status--ready {
  border-color: #31a86d;
  background: #173b2a;
  color: #8aefb7;
}
.nvim-status--connecting,
.nvim-status--replaying,
.nvim-status--verifying {
  border-color: #c38f2a;
  background: #3e321b;
  color: #ffd47d;
}
.nvim-status--failed,
.nvim-status--offline,
.nvim-status--unselected {
  border-color: #a34b4b;
  background: #3b2020;
  color: #ffaaaa;
}
.nvim-control-indicator {
  flex: none;
  border: 1px solid #60747e;
  border-radius: 3px;
  background: #222e34;
  color: #b9c6cc;
  padding: 3px 8px;
  font: 700 10px/1.2 ui-monospace, monospace;
  letter-spacing: 0.04em;
  white-space: nowrap;
  cursor: pointer;
}
.nvim-control-indicator.is-active {
  border-color: #3cb3e2;
  background: #17465a;
  color: #d9f5ff;
}
.nvim-control-indicator.is-engaged {
  box-shadow: inset 0 0 0 1px #8ee4ff;
}
.nvim-work-indicator {
  flex: none;
  border: 1px solid #7a878d;
  border-radius: 3px;
  background: #f4f6f7;
  color: #56646a;
  padding: 3px 8px;
  font: 700 10px/1.2 ui-monospace, monospace;
  letter-spacing: .03em;
  white-space: nowrap;
  cursor: pointer;
}
.nvim-work-indicator.is-active {
  border-color: #cf3d31;
  background: #fff0ee;
  color: #9f241b;
}
.nvim-work-indicator.is-engaged {
  box-shadow: inset 0 0 0 1px #cf3d31;
}
.nvim-work-indicator:disabled {
  border-color: #a8b0b4;
  background: #e6e9ea;
  color: #7c878c;
  cursor: not-allowed;
  opacity: .8;
}
.nvim-height-toggle {
  flex: none;
  border: 1px solid #75848b;
  border-radius: 3px;
  background: #f4f6f7;
  color: #425159;
  padding: 3px 8px;
  font: 700 10px/1.2 ui-monospace, monospace;
  letter-spacing: .03em;
  white-space: nowrap;
  cursor: pointer;
}
.nvim-height-toggle.is-active {
  border-color: #267697;
  background: #eaf6fb;
  color: #174d64;
}
.topbar-nvim-section .nvim-toolbar-button {
  flex: 0 0 9.5ch;
  width: 9.5ch;
  min-width: 9.5ch;
  max-width: 9.5ch;
  height: 24px;
  box-sizing: border-box;
  justify-content: flex-start;
  gap: .55ch;
  padding: 2px .55ch;
  font: 750 12px/1 ui-monospace, monospace;
  letter-spacing: 0;
}
.nvim-shortcut-strip {
  flex: none;
  color: #536168;
  font: 650 10px/1.2 ui-monospace, monospace;
  white-space: nowrap;
}
.nvim-shortcut-strip kbd {
  color: #263238;
  font: inherit;
}
.nvim-screen-scroll {
  position: relative;
  width: 100%;
  box-sizing: border-box;
  height: var(--nvim-panel-height, 75vh);
  max-height: none;
  min-height: 240px;
  overflow: auto;
  overscroll-behavior: contain;
  background: var(--desk, #eee);
  outline: none;
  scrollbar-color: #58666d #171d20;
}
.nvim-screen-stage {
  position: relative;
  width: 210mm;
  margin: 0 auto;
  background: #fff;
  zoom: var(--viewer-canvas-scale);
}
.nvim-screen-surface {
  position: absolute;
  inset: 0 4mm;
  box-sizing: border-box;
  padding: 1mm;
  background: #fff;
}
.nvim-screen-frame {
  position: relative;
  height: 100%;
  box-sizing: border-box;
  border: 1px solid #267697;
  background: #101315;
  box-shadow: 0 0 0 3px #000;
}
.nvim-screen-scroll[data-sync="on"] .nvim-screen-frame {
  border-color: #35b9ef;
}
.nvim-screen-scroll[data-control="true"] .nvim-screen-frame {
  box-shadow: 0 0 0 3px #cf3d31;
}
.nvim-screen-scroll[data-control="true"] {
  cursor: text;
}
.nvim-screen-content {
  position: absolute;
  top: 1mm;
  right: -5mm;
  bottom: 1mm;
  left: 1mm;
  overflow-x: hidden;
  overflow-y: scroll;
  overscroll-behavior: contain;
  background: transparent;
  scrollbar-width: thin;
  scrollbar-color: #829097 #fff;
}
.nvim-screen-grid {
  width: calc(100% - 6mm);
  min-height: 100%;
  background: #101315;
}
.nvim-screen-content::-webkit-scrollbar {
  width: .8mm;
}
.nvim-screen-content::-webkit-scrollbar-track {
  background: #fff;
}
.nvim-screen-content::-webkit-scrollbar-thumb {
  border: .12mm solid #fff;
  border-radius: 99px;
  background: #829097;
}
.nvim-screen-content::-webkit-scrollbar-thumb:hover {
  background: #aeb9be;
}
.nvim-screen {
  display: block;
  max-width: none;
  margin: 0;
  outline: none;
  image-rendering: auto;
}
.nvim-screen:focus {
  box-shadow: none;
}
.nvim-screen-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 5px;
  padding: 16px;
  color: #9cabb2;
  text-align: center;
}
.nvim-screen-empty strong {
  color: #e0e8eb;
  font: 750 11px/1.3 ui-monospace, monospace;
}
.nvim-resize-handle {
  position: relative;
  width: 100%;
  height: 12px;
  border-top: 1px solid #46565e;
  background: #182126;
  cursor: ns-resize;
  touch-action: none;
}
.nvim-resize-handle::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 50%;
  width: min(160px, 22vw);
  height: 3px;
  border-radius: 999px;
  background: #6c7e87;
  transform: translateX(-50%);
}
.nvim-resize-handle:hover,
.nvim-resize-handle:focus-visible {
  background: #23323a;
  outline: none;
}
.nvim-resize-handle:hover::after,
.nvim-resize-handle:focus-visible::after {
  background: #35b9ef;
}
.shortcut-help-backdrop {
  position: fixed;
  z-index: 200;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: #10171dcc;
}
.shortcut-help {
  width: min(680px, calc(100vw - 40px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  border: 1px solid #71818a;
  border-radius: 6px;
  background: #f8fafb;
  color: #172127;
  box-shadow: 0 18px 60px #0008;
  font: 14px/1.4 system-ui, sans-serif;
}
.shortcut-help > header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid #c8d1d5;
  background: #e8eef1;
}
.shortcut-help header small {
  color: #52646d;
  font: 750 10px/1.2 ui-monospace, monospace;
  letter-spacing: .08em;
}
.shortcut-help h2 {
  margin: 4px 0 0;
  font-size: 17px;
}
.shortcut-help header button {
  width: 32px;
  height: 32px;
  border: 1px solid #71818a;
  border-radius: 3px;
  background: #fff;
  font: 22px/1 system-ui, sans-serif;
  cursor: pointer;
}
.shortcut-help dl {
  margin: 0;
  padding: 10px 18px;
}
.shortcut-help dl > div {
  display: grid;
  grid-template-columns: minmax(180px, .8fr) 1.5fr;
  gap: 14px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #dde3e6;
}
.shortcut-help dt,
.shortcut-help dd {
  margin: 0;
}
.shortcut-help kbd {
  display: inline-block;
  border: 1px solid #839198;
  border-bottom-width: 2px;
  border-radius: 3px;
  background: #fff;
  padding: 3px 7px;
  font: 700 12px/1.2 ui-monospace, monospace;
}
.shortcut-help > p {
  margin: 0;
  padding: 4px 18px 16px;
  color: #526068;
}

.memory-react {
  border: 1px solid #555;
  background: #fff;
  font:
    14px/1.35 system-ui,
    sans-serif;
  padding: 10px;
  color: #1b1b1b;
}
.memory-react > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid #bbb;
  padding-bottom: 7px;
}
.memory-react > header small {
  display: block;
  margin-bottom: 2px;
  color: #555;
  font:
    700 10px/1.2 ui-monospace,
    monospace;
  letter-spacing: 0.08em;
}
.memory-react h3 {
  font-size: 15px;
  margin: 0;
}
.memory-actions {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.memory-actions button {
  border: 1px solid #777;
  background: #fff;
  padding: 4px 8px;
  cursor: pointer;
}
.memory-actions button[aria-pressed="true"] {
  background: #dff3fb;
  border-color: #237da1;
  font-weight: 700;
}
.memory-lanes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(125px, 1fr));
  gap: 6px;
  margin: 8px 0;
}
.memory-lane {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 3px;
  border: 1px solid #999;
  background: #fafafa;
  padding: 7px;
  text-align: left;
}
.memory-lane.compile {
  background: #fff8dc;
}
.memory-lane.bss {
  background: #edf7fb;
}
.memory-lane.stack {
  background: #f3f8ef;
}
.memory-lane.registers {
  background: #f4f4f4;
}
.memory-lane.text {
  background: #f7f0fa;
}
.memory-lane > b {
  font-size: 11px;
  letter-spacing: 0.04em;
}
.memory-lane button {
  border: 1px solid transparent;
  background: transparent;
  padding: 3px;
  text-align: left;
  cursor: pointer;
}
.memory-lane button:hover,
.memory-lane button.active {
  border-color: #238bb7;
  background: #fff;
}
.memory-lane code {
  font-size: 10px;
  white-space: normal;
}
.arena-wrap {
  margin: 12px 0 6px;
}
.arena-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}
.arena {
  --allocp: 0;
  --arena-size: 64;
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--arena-size), 1fr);
  height: 40px;
  border: 1px solid #222;
  margin-bottom: 28px;
}
.arena i {
  border-right: 1px solid #ddd;
}
.arena .allocp {
  position: absolute;
  left: calc(var(--allocp) / var(--arena-size) * 100%);
  top: 43px;
  transform: translateX(-50%);
  color: #087da8;
  font:
    700 11px/1.2 ui-monospace,
    monospace;
  white-space: nowrap;
}
.memory-stage {
  border-top: 1px solid #ddd;
  padding-top: 7px;
  margin: 0;
}
.memory-inspector {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  margin-top: 7px;
  padding: 7px;
  border-left: 3px solid #238bb7;
  background: #f5fbfd;
}
.memory-inspector strong {
  grid-row: 1/3;
}
.memory-inspector code {
  font-size: 11px;
}
.memory-inspector span {
  font-size: 12px;
}
.asset-static-fallback {
  display: none;
}
.uml-react {
  border: 1px solid #555;
  background: #fff;
  font:
    13px/1.35 system-ui,
    sans-serif;
  color: #1b1b1b;
}
.uml-react > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid #bbb;
  background: #fafafa;
}
.uml-react > header small {
  display: block;
  color: #555;
  font:
    700 10px/1.2 ui-monospace,
    monospace;
  letter-spacing: 0.06em;
}
.uml-react h3 {
  margin: 2px 0 0;
  font-size: 15px;
}
.uml-actions {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.uml-actions button {
  border: 1px solid #aaa;
  border-radius: 2px;
  background: #fcfcfc;
  color: #444;
  padding: 2px 6px;
  font:
    600 10px/1.25 ui-monospace,
    monospace;
  cursor: pointer;
}
.uml-actions button:hover {
  border-color: #64879a;
  background: #f5fafc;
}
.uml-actions button[data-completed="true"] {
  border-color: #62a47f;
  background: #edf8f1;
  color: #14613a;
}
.uml-actions button[aria-pressed="true"] {
  border-color: #287495;
  background: #edf7fb;
  color: #174d64;
  box-shadow: inset 0 0 0 1px #b9dce9;
}
.uml-canvas {
  display: block;
  overflow-x: hidden;
  overflow-y: visible;
  box-sizing: border-box;
  padding: 8px 10px;
  text-align: center;
}
.uml-svg-host {
  width: max-content;
  min-width: 100%;
}
.uml-canvas img,
.uml-svg-host svg {
  display: block;
  width: auto !important;
  max-width: none !important;
  height: auto !important;
  max-height: none;
  margin-inline: auto;
  object-fit: contain;
}
.uml-svg-host {
  cursor: pointer;
}
.uml-svg-host.is-tiled {
  position: relative;
  width: var(--uml-tile-page-width);
  min-width: var(--uml-tile-page-width);
  height: var(--uml-tile-page-height);
  overflow: hidden;
  cursor: default;
}
.uml-svg-host.is-tiled > svg {
  position: absolute;
  top: var(--uml-tile-top);
  left: var(--uml-tile-left);
  margin: 0;
}
.uml-static-crop {
  position: absolute;
  top: var(--uml-tile-top);
  left: var(--uml-tile-left);
  overflow: hidden;
}
.uml-static-crop > img {
  display: block;
  max-width: none !important;
  max-height: none !important;
  margin: 0 !important;
  object-fit: fill !important;
  transform-origin: 0 0;
}
.uml-tile-part {
  display: inline-block;
  margin-left: 0.65em;
  color: #607985;
  font: 650 9px/1.2 ui-monospace, monospace;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.uml-phase-actions > span {
  display: inline-flex;
  align-items: center;
  border: 1px solid #9eb2bd;
  border-radius: 2px;
  background: #f1f5f7;
  color: #3d5967;
  padding: 2px 6px;
  font: 700 10px/1.25 ui-monospace, monospace;
}
.uml-stage-region {
  cursor: pointer;
  transition:
    fill 140ms ease,
    stroke 140ms ease,
    stroke-width 140ms ease;
}
.uml-stage-region-completed.uml-stage-region-bg {
  fill: #e7f6ed !important;
  fill-opacity: 1 !important;
  stroke: #258154 !important;
  stroke-width: 3px !important;
}
.uml-stage-region-completed.uml-stage-region-outline {
  stroke: #258154 !important;
  stroke-width: 3px !important;
}
.uml-stage-region-active.uml-stage-region-bg {
  fill: #e7f6fc !important;
  fill-opacity: 1 !important;
  stroke: #187ea7 !important;
  stroke-width: 3px !important;
}
.uml-stage-region-active.uml-stage-region-outline {
  stroke: #187ea7 !important;
  stroke-width: 3px !important;
}
.uml-stage-region-active.uml-stage-region-completed.uml-stage-region-bg {
  fill: #e7f6ed !important;
}
.uml-stage-region:focus {
  outline: none;
  stroke: #005f87 !important;
  stroke-width: 4px !important;
}
.uml-inline-warning {
  display: block;
  padding-top: 5px;
  color: #8b2d20;
  font-size: 11px;
}
.uml-stage {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 10px;
  margin: 0 8px 8px;
  padding: 8px;
  border-left: 3px solid #315f78;
  background: #eef7fb;
}
.uml-stage strong {
  grid-row: 1/3;
}
.uml-stage code {
  grid-column: 2;
  font-size: 11px;
}
.uml-approval {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 8px 8px;
  padding-top: 6px;
  border-top: 1px solid #d2d2d2;
  color: #555;
  font-size: 11px;
}
.uml-approval button {
  flex: 0 0 auto;
  border: 1px solid #477a5d;
  border-radius: 2px;
  background: #edf8f1;
  color: #174e30;
  padding: 3px 7px;
  font: 600 10px/1.25 system-ui, sans-serif;
  cursor: pointer;
}
.uml-approval button:disabled {
  border-color: #bbb;
  background: #f3f3f3;
  color: #888;
  cursor: not-allowed;
}
.uml-react > .uml-snapshot-header {
  display: block;
  padding: 5px 8px 4px;
}
.uml-header-first-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.uml-header-first-line h3 {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  color: #20282c;
  text-align: left;
  font-size: 12px;
  line-height: 1.25;
}
.uml-header-first-line h3 > span {
  color: #245f7a;
  font-family: ui-monospace, monospace;
  letter-spacing: 0.04em;
}
.uml-header-description {
  max-width: 620px;
  margin: 2px 0 0;
  color: #555;
  text-align: left;
  font-size: 8px;
}
.uml-header-navigation {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}
.uml-page-continuation {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 2px;
  min-height: 22px;
  border: 1px solid #86a5b3;
  border-radius: 3px;
  background: #edf7fa;
  padding: 1px 5px;
  color: #126b8c;
  font: 850 15px/1 ui-monospace, monospace;
  animation: uml-continuation-pulse 1.15s ease-in-out infinite alternate;
}
.uml-page-continuation i {
  display: inline-grid;
  min-width: 14px;
  place-items: center;
  font-style: normal;
}
@keyframes uml-continuation-pulse {
  from {
    border-color: #9fb5be;
    background: #f6fafb;
    color: #4c7180;
    box-shadow: none;
  }
  to {
    border-color: #167ca4;
    background: #dff2f8;
    color: #075c7c;
    box-shadow: 0 0 0 2px #8dcde433;
  }
}
@media (prefers-reduced-motion: reduce) {
  .uml-page-continuation {
    animation: none;
  }
}
.uml-phase-actions,
.uml-step-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 3px;
}
.uml-phase-actions {
  flex: 0 0 auto;
  flex-wrap: nowrap;
  justify-content: flex-end;
  white-space: nowrap;
}
.uml-phase-actions button,
.uml-step-actions button,
.uml-edit-toggle,
.uml-snapshot-cursor button {
  border: 1px solid #aaa;
  border-radius: 2px;
  background: #fff;
  color: #444;
  cursor: pointer;
  font: 600 9px/1.2 ui-monospace, monospace;
}
.uml-edit-toggle {
  min-width: 42px;
  padding: 3px 7px;
  border: 1px solid #8a9ca5;
  border-radius: 2px;
  background: #f7f9fa;
  color: #334d59;
  cursor: pointer;
  font: 750 9px/1.2 ui-monospace, monospace;
  letter-spacing: 0.04em;
}
.uml-edit-toggle.is-active {
  border-color: #b56b16;
  background: #fff3df;
  color: #713c00;
  box-shadow: inset 0 0 0 1px #f0c78f;
}
.uml-phase-actions button {
  padding: 3px 7px;
}
.uml-phase-actions button[aria-pressed="true"] {
  border-color: #287495;
  background: #edf7fb;
  color: #174d64;
}
.uml-step-actions {
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
}
.uml-step-actions > span {
  margin-right: 4px;
  color: #555;
  font: 700 9px/1.2 ui-monospace, monospace;
}
.uml-step-actions button {
  min-width: 25px;
  padding: 2px 4px;
}
.uml-step-actions button[data-completed="true"] {
  border-color: #62a47f;
  background: #edf8f1;
  color: #14613a;
}
.uml-step-actions button[aria-pressed="true"] {
  border-color: #287495;
  background: #287495;
  color: #fff;
}
.uml-step-actions button[data-mode="CODE"]::after,
.uml-step-actions button[data-mode="RUN"]::after {
  margin-left: 3px;
  font-size: 7px;
  letter-spacing: 0.02em;
}
.uml-step-actions button[data-mode="CODE"]::after {
  content: "C";
}
.uml-step-actions button[data-mode="RUN"]::after {
  content: "R";
}
.uml-snapshot-layout {
  background: #fff;
  border-bottom: 1px solid #ddd;
}
.uml-step-canvas {
  min-width: 0;
}
.uml-step-canvas .uml-svg-host svg {
  max-height: none;
}
.uml-step-hit {
  cursor: pointer;
  fill: transparent;
}
.uml-step-hit-active {
  fill: #3ea6ce !important;
  fill-opacity: 0.08 !important;
}
.uml-step-element {
  transition: fill 120ms ease, stroke 120ms ease, stroke-width 120ms ease;
}
line.uml-step-element-completed:not(.uml-step-element-active) {
  stroke: #258154 !important;
  stroke-width: 1.8px !important;
}
polygon.uml-step-element-completed:not(.uml-step-element-active) {
  fill: #258154 !important;
  stroke: #258154 !important;
}
text.uml-step-element-completed:not(.uml-step-element-active) {
  fill: #1d7049 !important;
}
line.uml-step-element-active {
  stroke: #087ca8 !important;
  stroke-width: 2.6px !important;
}
polygon.uml-step-element-active {
  fill: #087ca8 !important;
  stroke: #087ca8 !important;
}
text.uml-step-element-active {
  fill: #075d7d !important;
  font-weight: 700 !important;
}
.uml-step-hit:focus {
  outline: none;
  stroke: #bd554d;
  stroke-width: 0.8px;
  stroke-dasharray: 3 3;
}
.uml-class-svg-active > g > *:not(.uml-class-focus-region):not(.uml-class-step-hit):not(.uml-layout-hit):not(.uml-layout-resize) {
  opacity: 0.62;
  transition: opacity 120ms ease;
}
.uml-class-svg-active .uml-step-element:not(.uml-step-element-active) {
  opacity: 0.98 !important;
}
/* PlantUML writes colors as SVG presentation attributes. These state rules
   deliberately use !important so selectable/active semantics win uniformly. */
.uml-class-svg-active text.uml-step-element-tone-a:not(.uml-step-element-active) {
  fill: #174f69 !important;
}
.uml-class-svg-active text.uml-step-element-tone-b:not(.uml-step-element-active) {
  fill: #586581 !important;
}
.uml-class-svg-active rect.uml-step-element-tone-a:not(.uml-step-element-active) {
  fill: #eaf5f8 !important;
  stroke: #3f7890 !important;
}
.uml-class-svg-active rect.uml-step-element-tone-b:not(.uml-step-element-active) {
  fill: #f2eef8 !important;
  stroke: #7b86a1 !important;
}
.uml-class-svg-active path.uml-step-element-tone-a:not(.uml-step-element-active),
.uml-class-svg-active line.uml-step-element-tone-a:not(.uml-step-element-active),
.uml-class-svg-active polygon.uml-step-element-tone-a:not(.uml-step-element-active) {
  stroke: #3f7890 !important;
}
.uml-class-svg-active path.uml-step-element-tone-b:not(.uml-step-element-active),
.uml-class-svg-active line.uml-step-element-tone-b:not(.uml-step-element-active),
.uml-class-svg-active polygon.uml-step-element-tone-b:not(.uml-step-element-active) {
  stroke: #7b86a1 !important;
}
.uml-class-svg-active .uml-step-element-active {
  opacity: 1 !important;
}
.uml-class-svg-active text.uml-step-element-active {
  fill: #b42318 !important;
  font-weight: 700 !important;
}
.uml-class-svg-active path.uml-step-element-active,
.uml-class-svg-active line.uml-step-element-active,
.uml-class-svg-active polygon.uml-step-element-active,
.uml-class-svg-active rect.uml-step-element-active {
  stroke: #bd554d !important;
  stroke-width: 1.35px !important;
}
.uml-class-svg-active polygon.uml-step-element-active {
  fill: #bd554d !important;
}
.uml-class-focus-region {
  display: none;
}
.uml-step-canvas.is-layout-editing {
  position: relative;
  touch-action: none;
  background-color: #fbfcfd;
  background-image:
    linear-gradient(#7d98a20d 1px, transparent 1px),
    linear-gradient(90deg, #7d98a20d 1px, transparent 1px);
  background-size: 12px 12px;
}
.uml-layout-editing .uml-step-hit,
.uml-layout-editing .uml-class-focus-region {
  pointer-events: none;
}
.uml-layout-hit {
  fill: #4e9ec4;
  fill-opacity: 0.035;
  stroke: #247a9e;
  stroke-width: 1.1px;
  stroke-dasharray: 5 3;
  vector-effect: non-scaling-stroke;
  cursor: grab;
  pointer-events: all;
}
.uml-layout-hit:hover {
  fill-opacity: 0.09;
  stroke-width: 1.6px;
}
.uml-layout-hit.is-selected {
  fill: #f7a928;
  fill-opacity: 0.08;
  stroke: #b66b00;
  stroke-width: 1.8px;
  stroke-dasharray: none;
}
.uml-layout-hit:active {
  cursor: grabbing;
}
.uml-layout-resize {
  fill: #fff;
  stroke: #b66b00;
  stroke-width: 1.5px;
  vector-effect: non-scaling-stroke;
  cursor: nwse-resize;
  pointer-events: all;
}
.uml-layout-editor {
  display: grid;
  grid-template-columns: minmax(140px, .8fr) minmax(240px, 1.8fr) minmax(260px, 1.4fr);
  gap: 7px 10px;
  align-items: end;
  padding: 8px 10px 9px;
  border-top: 2px solid #b97822;
  background: #f7f5f0;
  color: #26343a;
  text-align: left;
  font: 10px/1.3 system-ui, sans-serif;
}
.uml-layout-editor-title {
  grid-column: 1/-1;
  display: flex;
  align-items: baseline;
  gap: 9px;
}
.uml-layout-editor-title strong {
  color: #713c00;
  font: 800 11px/1.2 ui-monospace, monospace;
  text-transform: uppercase;
}
.uml-layout-editor-title span {
  color: #65737a;
}
.uml-layout-editor-title b {
  margin-left: auto;
  color: #9c2f1b;
  font-size: 9px;
}
.uml-layout-editor label {
  display: grid;
  gap: 2px;
  color: #52636b;
  font: 700 8px/1.2 ui-monospace, monospace;
  text-transform: uppercase;
}
.uml-layout-editor input,
.uml-layout-editor select,
.uml-layout-editor textarea {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  border: 1px solid #9ca9ae;
  border-radius: 2px;
  background: #fff;
  color: #172126;
  padding: 4px 5px;
  font: 10px/1.25 ui-monospace, monospace;
  text-transform: none;
}
.uml-layout-editor textarea {
  resize: vertical;
  line-height: 1.35;
}
.uml-layout-number-grid,
.uml-layout-style-grid {
  display: grid;
  gap: 5px;
}
.uml-layout-number-grid {
  grid-template-columns: repeat(4, minmax(48px, 1fr));
}
.uml-layout-style-grid {
  grid-template-columns: repeat(5, minmax(54px, 1fr));
}
.uml-layout-editor-text {
  align-self: stretch;
}
.uml-layout-editor input[type="color"] {
  min-height: 27px;
  padding: 2px;
}
.uml-layout-editor-actions {
  grid-column: 1/-1;
  display: flex;
  gap: 5px;
}
.uml-layout-editor-actions button {
  border: 1px solid #87979f;
  border-radius: 2px;
  background: #fff;
  color: #283940;
  padding: 4px 8px;
  cursor: pointer;
  font: 700 9px/1.2 ui-monospace, monospace;
}
.uml-layout-editor-actions button.is-primary {
  border-color: #287495;
  background: #287495;
  color: #fff;
}
.uml-layout-editor-actions button.is-danger {
  margin-left: auto;
  border-color: #a26156;
  color: #812b1c;
}
.uml-layout-editor-actions button:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.uml-layout-editor output {
  grid-column: 1/-1;
  min-height: 1.2em;
  color: #52636b;
  font: 9px/1.25 ui-monospace, monospace;
}
@media (max-width: 900px) {
  .uml-layout-editor {
    grid-template-columns: 1fr;
  }
  .uml-layout-editor-title,
  .uml-layout-editor-actions,
  .uml-layout-editor output {
    grid-column: 1;
  }
}
@media print {
  .uml-edit-toggle,
  .uml-layout-editor,
  .uml-layout-hit,
  .uml-layout-resize {
    display: none !important;
  }
}
.uml-snapshot-panel {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 8px;
  background: #fafafa;
  font-size: 10px;
}
.uml-snapshot-panel > header {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}
.uml-snapshot-panel > header > div:first-child > span,
.uml-snapshot-panel > header > div:first-child > strong {
  display: block;
}
.uml-snapshot-panel > header > div:first-child > span {
  color: #5a5a5a;
  font: 700 9px/1.2 ui-monospace, monospace;
}
.uml-snapshot-panel > header > div:first-child > strong {
  font-size: 12px;
}
.uml-snapshot-panel > header > div:first-child > strong code {
  display: inline-block;
  min-width: 24px;
  color: #075d7d;
}
.uml-snapshot-cursor {
  display: flex;
  align-items: center;
  gap: 4px;
}
.uml-snapshot-cursor button {
  width: 23px;
  height: 23px;
  padding: 0;
}
.uml-snapshot-cursor button:disabled {
  opacity: 0.35;
  cursor: default;
}
.uml-snapshot-cursor output {
  min-width: 34px;
  text-align: center;
  font: 700 9px/1 ui-monospace, monospace;
}
.uml-snapshot-description {
  margin: 0;
  color: #333;
}
.uml-snapshot-panel section {
  min-width: 0;
  border: 1px solid #d0d0d0;
  background: #fff;
  padding: 7px;
}
.uml-snapshot-panel h4 {
  margin: 0 0 4px;
  color: #315f78;
  font: 700 9px/1.2 ui-monospace, monospace;
  text-transform: uppercase;
}
.uml-state-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  min-width: 0;
}
.uml-snapshot-registers dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  margin: 0;
}
.uml-snapshot-registers dl > div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px;
  min-width: 0;
  padding: 2px 4px;
  border-left: 2px solid #bbb;
  background: #f6f6f6;
}
.uml-snapshot-registers dl > div.primary {
  grid-column: 1/-1;
  border-color: #287495;
  background: #edf7fb;
}
.uml-snapshot-registers dt {
  color: #555;
  font-weight: 700;
}
.uml-snapshot-registers dd,
.uml-snapshot-variables dd,
.uml-snapshot-memory dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  text-align: right;
  font: 600 9px/1.25 ui-monospace, monospace;
}
.uml-snapshot-variables dl {
  display: grid;
  gap: 3px;
  margin: 0;
}
.uml-snapshot-variables dl > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 5px;
  padding: 3px 5px;
  border-left: 2px solid #5f899b;
  background: #f5f8f9;
}
.uml-snapshot-variables dt {
  font-weight: 700;
}
.uml-snapshot-variables dt small {
  display: block;
  color: #777;
  font: 8px/1.2 ui-monospace, monospace;
}
.uml-snapshot-variables [data-state="uninitialised"],
.uml-stack-lane article[data-state="uninitialised"] {
  color: #777;
  background: #f5f5f5;
}
.uml-snapshot-variables [data-state="uninitialised"] dt::after,
.uml-stack-lane article[data-state="uninitialised"] > strong::after {
  content: " ?";
  color: #9a6a00;
}
.uml-arena-snapshot > div {
  position: relative;
  height: 10px;
  border: 1px solid #666;
  background: repeating-linear-gradient(90deg, #fff 0 7px, #eee 7px 8px);
}
.uml-arena-snapshot > div span {
  display: block;
  height: 100%;
  background: #b8ddeb;
}
.uml-arena-snapshot > div i {
  position: absolute;
  top: -3px;
  bottom: -3px;
  width: 2px;
  background: #075d7d;
  transform: translateX(-1px);
}
.uml-arena-snapshot > p {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 4px;
  margin: 3px 0;
  font-size: 8px;
}
.uml-arena-snapshot > p code:last-child {
  text-align: right;
}
.uml-arena-bytes {
  display: block;
  margin-bottom: 4px;
  overflow-wrap: anywhere;
  color: #666;
  font-size: 8px;
}
.uml-snapshot-memory dl {
  display: grid;
  gap: 2px;
  margin: 0;
}
.uml-snapshot-memory dl > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px;
  padding-top: 2px;
  border-top: 1px solid #eee;
}
.uml-snapshot-memory dt {
  font-weight: 700;
}
.uml-snapshot-memory dt small {
  display: block;
  color: #777;
  font: 8px/1.2 ui-monospace, monospace;
}
.uml-snapshot-stack > header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.uml-snapshot-stack > header > p {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px 9px;
  margin: 0;
  color: #555;
  font-size: 8px;
}
.uml-stack-axis {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 3px 89px 2px;
  color: #777;
  font: 8px/1.2 ui-monospace, monospace;
}
.uml-stack-lane {
  display: flex;
  align-items: stretch;
  min-width: 0;
  overflow-x: auto;
  border: 1px solid #66757c;
  background: #eef1f2;
}
.uml-stack-boundary {
  display: grid;
  place-content: center;
  flex: 0 1 82px;
  min-width: 64px;
  padding: 5px;
  background: #273941;
  color: #fff;
  text-align: center;
  font: 700 8px/1.25 ui-monospace, monospace;
}
.uml-stack-boundary small {
  color: #a9d9eb;
  font-size: 8px;
  text-transform: uppercase;
}
.uml-stack-gap {
  display: grid;
  place-content: center;
  flex: 0.7 1 70px;
  min-width: 60px;
  min-height: 52px;
  border-right: 1px dashed #9da8ad;
  color: #78858b;
  text-align: center;
  font: 8px/1.2 ui-monospace, monospace;
}
.uml-stack-gap strong,
.uml-stack-gap small {
  display: block;
}
.uml-stack-gap strong {
  color: #52636b;
}
.uml-stack-gap small {
  color: #78858b;
  font-size: 8px;
}
.uml-stack-lane article {
  display: grid;
  align-content: center;
  flex: 1 1 92px;
  min-width: 76px;
  padding: 5px 7px;
  border-right: 1px solid #9da8ad;
  background: #fff;
  text-align: center;
}
.uml-stack-lane article[data-state="initialised"] {
  border-top: 3px solid #2c8060;
}
.uml-stack-lane article[data-state="saved"] {
  border-top: 3px solid #6d7196;
  background: #f7f6fb;
}
.uml-stack-lane article strong,
.uml-stack-lane article code,
.uml-stack-lane article small {
  display: block;
  overflow-wrap: anywhere;
}
.uml-stack-lane article strong {
  font: 700 9px/1.2 ui-monospace, monospace;
}
.uml-stack-lane article code {
  margin: 2px 0;
  color: #1f4555;
  font-size: 8px;
}
.uml-stack-lane article small {
  color: #777;
  font: 8px/1.2 ui-monospace, monospace;
}
.uml-snapshot-observation p {
  margin: 0 0 3px;
}
.uml-snapshot-observation small {
  display: block;
  overflow-wrap: anywhere;
  color: #666;
  font: 8px/1.3 ui-monospace, monospace;
}
.task-conclusion {
  margin: 8px 0 0;
  padding: 7px 9px;
  border: 1px solid #315f78;
  background: #f3f9fc;
}
.task-conclusion > strong {
  display: block;
  margin-bottom: 3px;
  color: #315f78;
  font:
    700 10px/1.2 ui-monospace,
    monospace;
}
.task-conclusion p {
  margin: 0;
}
.asset-source-link {
  display: inline-block;
  margin: 5px 0;
  color: #315f78;
  font:
    600 11px/1.3 system-ui,
    sans-serif;
}
.section-sheet--asset .section-heading {
  align-items: baseline;
  margin: 0 0 1.5mm;
}
.section-sheet--asset .section-heading .section-index {
  margin-right: 4mm;
  color: #68757b;
  font-size: 10px;
  font-weight: 600;
}
.section-sheet--asset .section-heading .section-title {
  color: #20282c;
  font: 750 13px/1.2 system-ui, sans-serif;
}
.section-sheet--asset .card-section > p {
  max-width: 110ch;
  margin: 0 0 2mm;
  color: #58656b;
  font: 9px/1.3 system-ui, sans-serif;
}
.section-sheet--asset .card-asset {
  margin-top: 2mm;
}
.lesson-progress-control {
  display: inline-flex;
  align-items: center;
  margin-right: 7px;
  padding: 2px 7px;
  border: 1px solid #8c8c8c;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}
.lesson-progress-control:disabled {
  cursor: wait;
  opacity: 0.6;
}
.lesson-progress-control[data-status="approved"] {
  background: #e7f6ed;
  border-color: #18794e;
}
.lesson-progress-topbar {
  display: flex;
  flex: none;
  align-items: center;
  gap: 5px;
  min-width: 0;
  padding-left: 7px;
  border-left: 1px solid #a9b3b8;
  color: #33444c;
  font: 650 10px/1.2 system-ui, sans-serif;
  white-space: nowrap;
}
.lesson-progress-topbar strong {
  color: #52636b;
  font: 800 9px/1 ui-monospace, monospace;
  letter-spacing: .05em;
}
.lesson-progress-topbar output {
  min-width: 3.8ch;
  border: 1px solid #91a1a8;
  border-radius: 999px;
  background: #fff;
  padding: 2px 6px;
  color: #1e566e;
  text-align: center;
  font: 800 9px/1 ui-monospace, monospace;
}
.lesson-progress-topbar a {
  color: #245f7a;
  text-decoration: none;
}
.lesson-progress-topbar a:hover,
.lesson-progress-topbar a:focus-visible {
  text-decoration: underline;
}
.lesson-progress-error {
  color: #9b1c1c;
  font-weight: 900;
}
.step-row {
  display: flex;
  align-items: center;
  margin: 4px 0;
}
.section-anchor {
  position: relative;
  top: -45px;
}
.app-load-error {
  max-width: 760px;
  margin: 10vh auto;
  padding: 24px;
  border: 1px solid #9b1c1c;
  background: #fff;
  font-family: system-ui, sans-serif;
}
.app-load-error pre {
  white-space: pre-wrap;
}
@media (max-width: 800px) {
  .viewpoint-bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .viewpoint-bar button {
    min-height: 28px;
  }
  .card-library-toggle > span:last-child {
    display: none;
  }
  .card-library-toggle {
    gap: 4px;
    padding-inline: 6px;
  }
  .topbar-nvim-meta {
    display: none;
  }
  .topbar-nvim-section .nvim-control-indicator {
    max-width: 42vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .nvim-shortcut-strip {
    display: none;
  }
  .nvim-work-indicator {
    display: none;
  }
  .allocator-panel > header {
    grid-template-columns: auto 1fr;
  }
  .allocator-panel > header > small {
    display: none;
  }
  .allocator-panel-body {
    grid-template-columns: 1fr;
  }
  .allocator-metrics,
  .allocator-facts {
    display: none;
  }
  .memory-lanes {
    grid-template-columns: 1fr 1fr;
  }
  .memory-react > header,
  .uml-react > header {
    align-items: flex-start;
    flex-direction: column;
  }
  .uml-header-first-line,
  .uml-header-navigation {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
  }
  .uml-header-navigation {
    gap: 4px;
  }
  .memory-actions {
    justify-content: flex-start;
  }
  .uml-snapshot-layout {
    display: block;
  }
  .uml-step-canvas {
    border: 0;
  }
  .uml-phase-actions {
    width: 100%;
    justify-content: flex-end;
  }
  .uml-state-grid {
    grid-template-columns: 1fr;
  }
  .uml-snapshot-stack > header {
    align-items: flex-start;
    flex-direction: column;
  }
  .uml-snapshot-stack > header > p {
    justify-content: flex-start;
  }
  .uml-stack-axis {
    margin-right: 0;
    margin-left: 0;
  }
}
@media print {
  @page card-portrait {
    size: A4 portrait;
    margin: 0;
  }
  @page card-landscape {
    size: A4 landscape;
    margin: 0;
  }
  .sheet--portrait {
    page: card-portrait;
  }
  .sheet--landscape {
    page: card-landscape;
  }
  .paper {
    display: block;
    gap: 0;
  }
  .paper > .sheet,
  .paper > .sheet > .sheet-content,
  .paper > .sheet-spread > .sheet,
  .paper > .sheet-spread > .sheet > .sheet-content {
    height: auto;
    min-height: 0;
    max-height: none;
    overflow: visible;
  }
  .sheet-spread {
    display: contents !important;
  }
  .viewer-chrome {
    display: none !important;
  }
  .side-panel-dock {
    display: none !important;
  }
  .memory-react {
    display: none !important;
  }
  .asset-static-fallback {
    display: block !important;
    width: 100%;
  }
  .uml-actions,
  .uml-phase-actions,
  .uml-step-actions,
  .uml-snapshot-panel,
  .uml-stage,
  .uml-approval,
  .asset-source-link,
  .lesson-progress-topbar,
  .lesson-progress-control {
    display: none !important;
  }
  .uml-page-continuation {
    display: none !important;
  }
}