:root {
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  --ink: #f5f1ff;
  --muted: #a599e9;
  --line: #514d85;
  --line-strong: #7e78b6;
  --surface: #2d2b55;
  --surface-muted: #1e1e3f;
  --surface-band: #3b3770;
  --surface-raised: #353163;
  --page-gutter: #1e1e3f;
  --accent: #b362ff;
  --accent-dark: #fad000;
  --accent-soft: #443d84;
  --accent-contrast: #1e1e3f;
  --danger: #ff628c;
  --danger-surface: #512844;
  --code-surface: #1e1e3f;
  --code-inline: #3b3770;
  --focus: #ffee80;
  --ui-font: Arial, Helvetica, sans-serif;
  font: 13px/1.28 var(--ui-font);
  color: var(--ink);
  background: var(--page-gutter);
  overflow-anchor: none;
}

:root[data-theme="light"] {
  color-scheme: light;
  --ink: #182018;
  --muted: #5e685e;
  --line: #bcc8bc;
  --line-strong: #809380;
  --surface: #ffffff;
  --surface-muted: #f0f5f0;
  --surface-band: #dfeadf;
  --surface-raised: #ffffff;
  --page-gutter: #e4ebe4;
  --accent: #00a000;
  --accent-dark: #006d00;
  --accent-soft: #dcffdc;
  --accent-contrast: #ffffff;
  --danger: #9b2727;
  --danger-surface: #fff0ee;
  --code-surface: #f0f4f0;
  --code-inline: #e6ece6;
  --focus: #ed9b18;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #edf5ed;
  --muted: #b1c0b1;
  --line: #4b614b;
  --line-strong: #738b73;
  --surface: #121a12;
  --surface-muted: #1c291c;
  --surface-band: #263c26;
  --surface-raised: #172217;
  --page-gutter: #0b120b;
  --accent: #00c900;
  --accent-dark: #00ff00;
  --accent-soft: #123f12;
  --accent-contrast: #001a00;
  --danger: #ff9d92;
  --danger-surface: #3a2121;
  --code-surface: #1a251a;
  --code-inline: #263526;
  --focus: #ffc04c;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--page-gutter);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
.table-scroll:focus-visible,
.diagram-canvas:focus-visible,
.diagram-dialog__viewport:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

[hidden] {
  display: none !important;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 2px solid var(--accent);
  background: var(--surface-band);
}

.site-header__inner {
  display: flex;
  min-height: 2.8rem;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  padding: 0.3rem 0.6rem;
}

.brand {
  display: block;
  flex: 0 0 auto;
  width: 2.2rem;
  height: 2.2rem;
  text-decoration: none;
}

.brand__logo {
  display: block;
  width: 100%;
  height: 100%;
}

.file-nav {
  display: grid;
  align-items: center;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.2rem;
  min-width: 0;
  flex: 1 1 auto;
}

.file-nav__links {
  display: flex;
  grid-column: 2;
  min-width: 0;
  gap: 0.2rem;
  overflow-x: auto;
  padding: 0.05rem 0;
  scrollbar-width: none;
  scroll-behavior: smooth;
}

.file-nav__links::-webkit-scrollbar {
  display: none;
}

.file-nav__scroll {
  display: grid;
  width: 1.55rem;
  height: 1.65rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line-strong);
  padding: 0;
  color: var(--ink);
  background: var(--surface-muted);
  font-size: 1.15rem;
  line-height: 1;
}

.file-nav__scroll--left {
  grid-column: 1;
}

.file-nav__scroll--right {
  grid-column: 3;
}

.file-nav__scroll:hover:not(:disabled) {
  border-color: var(--accent-dark);
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.file-nav__scroll:disabled {
  cursor: default;
  color: var(--muted);
  opacity: 0.45;
}

.file-nav__empty {
  padding: 0.25rem 0.35rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.file-tab {
  display: flex;
  min-width: 0;
  max-width: 14rem;
  flex: 0 0 auto;
  align-items: center;
  border: 1px solid var(--line-strong);
  background: var(--surface-muted);
}

.file-tab:hover {
  background: var(--surface);
}

.file-tab:has(.file-link[aria-current="page"]) {
  border-color: var(--accent-dark);
  background: var(--surface);
  box-shadow: inset 0 -2px var(--accent);
}

.file-link {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  padding: 0.28rem 0.42rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.1;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-link:hover {
  color: var(--ink);
  text-decoration: underline;
}

.file-link[aria-current="page"] {
  color: var(--accent-dark);
  font-weight: 700;
}

.file-tab__remove {
  border: 1px solid transparent;
  display: grid;
  width: 1.25rem;
  height: 1.25rem;
  flex: 0 0 auto;
  margin-right: 0.1rem;
  place-items: center;
  padding: 0;
  color: var(--muted);
  background: transparent;
  font-size: 1rem;
  line-height: 1;
}

.file-tab__remove:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-surface);
}

.header-actions,
.page-heading,
.page-heading__actions,
.diagram-dialog__actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.header-actions {
  flex: 0 0 auto;
}

.theme-selector {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}

.theme-selector__label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.theme-select {
  min-width: 5.25rem;
  padding-right: 1.5rem;
  line-height: 1;
}

.button {
  min-height: 1.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 1px;
  padding: 0.26rem 0.55rem;
  color: var(--ink);
  background: var(--surface);
  font-size: 0.82rem;
  line-height: 1.15;
}

.button:hover:not(:disabled) {
  border-color: var(--accent-dark);
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.button:active:not(:disabled) {
  transform: translate(1px, 1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.button--primary {
  border-color: var(--accent-dark);
  color: var(--accent-contrast);
  background: var(--accent);
  font-weight: 700;
}

.button--primary:hover:not(:disabled) {
  border-color: var(--accent-dark);
  color: var(--accent-contrast);
  background: var(--accent-dark);
}

.app-shell {
  width: 100%;
  margin: 0;
  padding: 0.55rem 0.7rem 2rem;
}

.page-heading {
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 0.35rem;
  padding: 0.15rem 0 0.42rem;
  border-bottom: 1px solid var(--line-strong);
}

.page-heading__actions {
  flex: 0 0 auto;
}

.view-tabs {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  background: var(--surface-muted);
}

.view-tab {
  min-height: 1.7rem;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 0.22rem 0.5rem;
  color: var(--muted);
  background: transparent;
  font-size: 0.8rem;
  line-height: 1.15;
}

.view-tab:last-child {
  border-right: 0;
}

.view-tab:hover:not(:disabled) {
  color: var(--ink);
  background: var(--surface-band);
}

.view-tab[aria-selected="true"] {
  color: var(--accent-dark);
  background: var(--surface);
  box-shadow: inset 0 -2px var(--accent);
  font-weight: 700;
}

.view-tab:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.title-field {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: baseline;
  gap: 0.5rem;
}

.file-title {
  width: min(100%, 60rem);
  margin: 0;
  padding: 0;
  color: var(--ink);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.1;
}

.status {
  min-height: 0;
  margin: 0 0 0.3rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.status:empty {
  display: none;
}

.status--error {
  padding: 0.25rem 0.4rem;
  color: var(--danger);
  background: var(--danger-surface);
}

.preview-layout {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr);
  align-items: start;
  gap: 0.7rem;
}

.preview-layout:has(.document-map[hidden]) {
  grid-template-columns: minmax(0, 1fr);
}

.document-map {
  position: sticky;
  top: 3.45rem;
  max-height: calc(100vh - 4rem);
  overflow: auto;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  scrollbar-width: thin;
}

.document-map__header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.48rem;
  border-bottom: 1px solid var(--accent-dark);
  color: var(--accent-contrast);
  background: var(--accent);
}

.document-map__icon {
  display: grid;
  width: 1.35rem;
  height: 1.35rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 55%);
  color: var(--accent-contrast);
  font-size: 0.78rem;
  font-weight: 700;
}

.document-map__eyebrow {
  display: block;
  color: rgb(255 255 255 / 75%);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.document-map h2 {
  margin: 0.08rem 0 0;
  font-size: 0.86rem;
  line-height: 1.05;
}

.document-map__links {
  display: flex;
  flex-direction: column;
  padding: 0.2rem 0;
}

.document-map__link {
  --map-depth: 0;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 0;
  border-left: 3px solid transparent;
  padding: 0.22rem 0.35rem 0.22rem calc(0.4rem + var(--map-depth) * 0.72rem);
  color: var(--muted);
  background: transparent;
  font-size: 0.75rem;
  line-height: 1.18;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-map__link:hover {
  color: var(--ink);
  background: var(--surface-muted);
  text-decoration: underline;
}

.document-map__link[aria-current="location"] {
  border-left-color: var(--accent);
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-weight: 700;
}

.empty-state {
  min-height: min(24rem, calc(100vh - 6rem));
  border: 1px solid var(--line-strong);
  padding: 1.2rem;
  background: var(--surface);
  text-align: left;
}

.empty-state.is-dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.empty-state__icon {
  display: inline-grid;
  width: 2rem;
  height: 2rem;
  margin: 0 0.5rem 0.4rem 0;
  place-items: center;
  color: var(--accent-contrast);
  background: var(--accent);
  font-size: 1rem;
}

.empty-state h1,
.empty-state p {
  margin: 0;
}

.empty-state h1 {
  display: inline;
  font-size: 1.3rem;
}

.empty-state p {
  max-width: 48rem;
  margin: 0.45rem 0 0.7rem;
  color: var(--muted);
}

.markdown-body {
  min-width: 0;
  overflow-wrap: anywhere;
  padding: 0.55rem 0.75rem 1.5rem;
  background: var(--surface);
}

.source-panel {
  min-width: 0;
}

.source-block {
  max-width: 100%;
  overflow: auto;
  margin: 0;
  border: 1px solid var(--line-strong);
  padding: 0.65rem;
  color: var(--ink);
  background: var(--code-surface);
  font-family: monospace;
  font-size: 0.82rem;
  line-height: 1.28;
  tab-size: 2;
  white-space: pre;
}

.source-block code {
  font: inherit;
}

.source-heading {
  scroll-margin-top: 4rem;
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body > :last-child {
  margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  scroll-margin-top: 4rem;
  line-height: 1.15;
}

.markdown-body h1 {
  margin: 0 0 0.35rem;
  padding: 0 0 0.22rem;
  border-bottom: 2px solid var(--accent);
  color: var(--accent-dark);
  font-size: 1.75rem;
}

.markdown-body h2 {
  margin: 0.75rem 0 0.28rem;
  padding: 0.2rem 0.38rem;
  border-left: 0.32rem solid var(--accent);
  color: var(--ink);
  background: var(--surface-band);
  font-size: 1.25rem;
}

.markdown-body h3 {
  margin: 0.65rem 0 0.22rem;
  padding-bottom: 0.12rem;
  border-bottom: 1px solid var(--line);
  color: var(--accent-dark);
  font-size: 1.03rem;
}

.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin: 0.55rem 0 0.18rem;
  color: var(--accent-dark);
  font-size: 0.96rem;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body pre,
.table-view,
.diagram-card {
  margin-top: 0.38rem;
  margin-bottom: 0.38rem;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.45rem;
}

.markdown-body li {
  margin: 0.06rem 0;
}

.markdown-body li > ul,
.markdown-body li > ol {
  margin-top: 0.08rem;
  margin-bottom: 0.08rem;
}

.markdown-body > h1 + ul {
  columns: 3 18rem;
  column-gap: 1.6rem;
  margin: 0 0 0.5rem;
  padding: 0.35rem 0.5rem 0.35rem 1.7rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
  font-size: 0.82rem;
}

.markdown-body > h1 + ul > li {
  break-inside: avoid;
}

.markdown-body a {
  color: var(--accent-dark);
  text-decoration: underline;
}

.markdown-body a:hover {
  color: var(--accent);
}

.markdown-body blockquote {
  margin-left: 0;
  padding: 0.22rem 0.5rem;
  border-left: 3px solid var(--line-strong);
  color: var(--muted);
  background: var(--surface-muted);
}

.markdown-body code {
  padding: 0.06rem 0.2rem;
  background: var(--code-inline);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.92em;
}

.markdown-body pre {
  overflow: auto;
  border: 1px solid var(--line);
  background: var(--code-surface);
}

.markdown-body pre code {
  display: block;
  padding: 0.55rem;
  background: transparent;
}

.table-view,
.diagram-card {
  contain: layout paint style;
  min-width: 0;
  overflow: hidden;
  border: 0;
  background: transparent;
}

.diagram-card {
  width: 100%;
  margin-inline: 0;
}

.diagram-card__toolbar {
  display: flex;
  min-height: 2rem;
  align-items: center;
  justify-content: flex-start;
  padding: 0.25rem 0.38rem;
  background: transparent;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: clip;
  overscroll-behavior-x: contain;
  overscroll-behavior-y: auto;
  scrollbar-width: thin;
}

.markdown-body table,
.markdown-body th,
.markdown-body td {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

.markdown-body table {
  width: max-content;
  min-width: 0;
  border-collapse: collapse;
  font-size: 0.8rem;
  line-height: 1.15;
}

.markdown-body th,
.markdown-body td {
  min-width: 2.5rem;
  padding: 2px 0.24rem 3px;
  border: 0;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.markdown-body th:first-child,
.markdown-body td:first-child {
  border-left: 0;
}

.markdown-body tbody tr:last-child td {
  border-bottom: 0;
}

.markdown-body th {
  color: var(--ink);
  background: var(--surface-muted);
  font-weight: 700;
}

.markdown-body tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--surface-muted) 58%, transparent);
}

.markdown-body tbody tr:hover td {
  background: var(--accent-soft);
}

.table-header {
  display: grid;
  min-width: 2.5rem;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 0.22rem 0.2rem;
}

.table-sort-button {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  border: 0;
  padding: 0;
  color: var(--ink);
  background: transparent;
  font-weight: 700;
  text-align: left;
}

.table-sort-button::after {
  color: var(--muted);
  content: "↕";
}

.table-sort-button[aria-sort="ascending"]::after {
  color: var(--accent-dark);
  content: "↑";
}

.table-sort-button[aria-sort="descending"]::after {
  color: var(--accent-dark);
  content: "↓";
}

.table-filter {
  box-sizing: border-box;
  width: 0;
  min-width: 100%;
  grid-column: 1 / -1;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  padding: 0.16rem 0.28rem;
  color: var(--ink);
  background: var(--surface);
  font-size: 0.75rem;
  line-height: 1.1;
}

.table-pin-button {
  display: inline-flex;
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 0;
  padding: 0;
  color: var(--muted);
  background: transparent;
  font-size: inherit;
  line-height: inherit;
}

.table-pin-button__icon {
  display: block;
  width: 0.78rem;
  height: 0.78rem;
  color: inherit;
  background: currentColor;
  -webkit-mask: url("assets/pin.ico") center / contain no-repeat;
  mask: url("assets/pin.ico") center / contain no-repeat;
}

.table-pin-button:hover {
  color: var(--ink);
  background: transparent;
}

.table-pin-button[aria-pressed="true"] {
  color: var(--accent-dark);
  background: transparent;
}

.markdown-body th.table-column-pinned,
.markdown-body td.table-column-pinned {
  position: sticky;
  left: var(--table-pin-left);
}

.markdown-body th.table-column-pinned {
  z-index: 4;
  background: var(--surface-muted);
}

.markdown-body td.table-column-pinned {
  z-index: 3;
  background: var(--surface);
}

.markdown-body tbody tr:nth-child(even) td.table-column-pinned {
  background: var(--surface-muted);
}

.markdown-body tbody tr:hover td.table-column-pinned {
  background: var(--accent-soft);
}

.table-column-pinned-edge {
  box-shadow: 3px 0 0 var(--line-strong), 6px 0 8px rgb(0 0 0 / 16%);
}

.table-empty-row td {
  color: var(--muted);
  text-align: center;
}

.diagram-card__toolbar {
  gap: 0.5rem;
}

.diagram-card__explore {
  min-height: 1.45rem;
  padding-block: 0.12rem;
}

.diagram-canvas {
  box-sizing: border-box;
  width: 100%;
  overflow-x: auto;
  overflow-y: clip;
  padding: 0.45rem 0.15rem;
  cursor: zoom-in;
  background: transparent;
  text-align: center;
  scrollbar-width: thin;
}

.diagram-canvas--pending {
  display: grid;
  min-height: 5rem;
  place-items: center;
  color: var(--muted);
  cursor: default;
}

.diagram-canvas img {
  display: block;
  max-width: none !important;
  height: auto;
  margin: 0 auto;
}

:root[data-theme="tsea"] .diagram-canvas img[data-diagram-theme="dark"] {
  filter: brightness(0.82) contrast(1.05);
}

.diagram-card--inline {
  contain: layout style;
  overflow: visible;
}

.diagram-card--inline .diagram-card__toolbar {
  display: none;
}

.diagram-card--inline .diagram-canvas {
  max-height: none;
  padding: 0.1rem 0;
}

.diagram-error {
  margin: 0;
  padding: 0.5rem;
  color: var(--danger);
  background: var(--danger-surface);
  font-family: "Courier New", Courier, monospace;
  text-align: left;
  white-space: pre-wrap;
}

.diagram-dialog {
  width: 100vw;
  max-width: none;
  height: 100vh;
  max-height: none;
  margin: 0;
  border: 0;
  padding: 0;
  color: #f3f7fb;
  background: #090d12;
}

.diagram-dialog::backdrop {
  background: rgb(0 0 0 / 88%);
}

.diagram-dialog__shell {
  display: grid;
  height: 100%;
  grid-template-rows: auto auto minmax(0, 1fr);
  padding: 0.6rem;
}

.diagram-dialog__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #3b4c59;
}

.diagram-dialog__eyebrow {
  color: #93a2b2;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.diagram-dialog h2 {
  margin: 0;
  font-size: 1.1rem;
}

.diagram-dialog .button {
  border-color: #506071;
  color: #f3f7fb;
  background: #18222c;
}

.diagram-dialog .button:hover:not(:disabled) {
  border-color: #83c7f5;
  color: #c9eaff;
}

.diagram-dialog .button--primary {
  border-color: #3086c6;
  background: #145d91;
}

.diagram-dialog__zoom {
  min-width: 3rem;
  color: #afbdca;
  font-size: 0.78rem;
  text-align: center;
}

.diagram-dialog__hint {
  margin: 0.25rem 0 0.4rem;
  color: #93a2b2;
  font-size: 0.75rem;
}

.diagram-dialog__viewport {
  overflow: auto;
  border: 1px solid #2d3945;
  background-color: #0d131a;
  background-image: radial-gradient(circle, #273542 1px, transparent 1px);
  background-size: 22px 22px;
  cursor: grab;
  overscroll-behavior: contain;
  scrollbar-color: #506071 #121a22;
}

.diagram-dialog__viewport.is-panning {
  cursor: grabbing;
  user-select: none;
}

.diagram-dialog__canvas {
  display: grid;
  min-width: 100%;
  min-height: 100%;
  padding: 2rem;
  place-items: center;
}

.diagram-dialog__canvas img {
  display: block;
  max-width: none !important;
  height: auto;
  filter: drop-shadow(0 10px 24px rgb(0 0 0 / 35%));
}

.noscript-message {
  max-width: 48rem;
  margin: 1rem auto;
  padding: 0.5rem;
  border: 1px solid var(--danger);
  color: var(--danger);
  background: var(--danger-surface);
}

@media (max-width: 1080px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .file-nav {
    order: 3;
    width: 100%;
    flex: 0 0 100%;
  }

  .header-actions {
    margin-left: auto;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
  }

  .site-header__inner,
  .page-heading,
  .diagram-dialog__toolbar {
    align-items: stretch;
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .site-header__inner,
  .page-heading {
    gap: 0.4rem;
  }

  .brand {
    align-self: flex-start;
  }

  .file-nav {
    order: 3;
    flex-basis: auto;
    width: 100%;
  }

  .header-actions {
    width: 100%;
    margin-left: 0;
  }

  .header-actions,
  .page-heading__actions,
  .diagram-dialog__actions {
    flex-wrap: wrap;
  }

  .title-field {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.2rem;
  }

  .file-title {
    width: 100%;
  }

  .preview-layout,
  .preview-layout:has(.document-map[hidden]) {
    grid-template-columns: minmax(0, 1fr);
  }

  .document-map {
    position: static;
    max-height: 13rem;
  }

  .document-map__links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  }

  .markdown-body {
    padding: 0.45rem;
  }

  .markdown-body > h1 + ul {
    columns: 1;
  }

  .diagram-dialog__canvas {
    padding: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}