studio.css

/*
 * SPDX-FileCopyrightText: 2026 Anton Wiklund and Solid Memo contributors
 *
 * SPDX-License-Identifier: MIT
 */

/*
 * Solid Memo Studio's own look (docs/studio.md, Layout), over the site's
 * style.css. It ships with the Studio's chunk, and every rule holds only
 * under :root[data-surface="studio"], which the Studio's shell sets while
 * it is shown: Solid Memo shares the page, and keeps its own look. Its
 * colors are style.css's tokens, so the theme and an instance's colors
 * carry over.
 */

/* How densely rows and controls are packed: compact unless the status bar says comfortable, which is 44px, for touch. */
:root[data-surface="studio"] {
  --s-control-h: 1.75rem;
  --s-row-h: 1.75rem;
  --s-cell-px: 0.5rem;
  --s-cell-py: 0.2rem;
  --s-font-size: 0.875rem;
}

:root[data-surface="studio"][data-density="comfortable"] {
  --s-control-h: 2.75rem;
  --s-row-h: 2.75rem;
  --s-cell-px: 0.8rem;
  --s-cell-py: 0.6rem;
  --s-font-size: 1rem;
}

/* No paper behind a workspace. */
:root[data-surface="studio"] body {
  min-height: 0;
  background: var(--bg);
}

/*
 * The Studio's screens: its tables, badges, filters, lists and forms.
 * These rules weigh what they would without the scope (:where() adds
 * none), so the workspace's own rules below, the density's among them,
 * win over them.
 */
/* The Studio's tables, of decks and of cards: the deck's name (or the
   card's front) as the row's heading, in the body's own type; the figures
   beside it right-aligned, to compare. */
:where(:root[data-surface="studio"]) table.studio-list caption {
  caption-side: top;
  padding: 0.6rem 0.8rem;
  text-align: left;
  color: var(--text-muted);
}

:where(:root[data-surface="studio"]) table.studio-list tbody th {
  background: none;
  font-size: inherit;
  font-weight: 600;
  letter-spacing: normal;
  text-transform: none;
  color: var(--text);
  overflow-wrap: anywhere;
  white-space: normal;
  min-width: 10rem;
}

:where(:root[data-surface="studio"]) table.studio-list .number {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Wide: it scrolls on its own, never the page, on a narrow screen. */
:where(:root[data-surface="studio"]) .studio-table {
  overflow-x: auto;
  margin-bottom: 1rem;
}

:where(:root[data-surface="studio"]) .studio-table table {
  margin-bottom: 0;
}

:where(:root[data-surface="studio"]) table.studio-list thead th,
:where(:root[data-surface="studio"]) table.studio-list td {
  white-space: nowrap;
}

/* A column's name is the button that sorts by it, in the header's type. */
:where(:root[data-surface="studio"]) table.studio-list button.sort {
  min-height: 0;
  padding: 0;
  border: none;
  background: none;
  box-shadow: none;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: inherit;
}

:where(:root[data-surface="studio"]) table.studio-list [aria-sort="ascending"] button.sort::after {
  content: " ▲";
}

:where(:root[data-surface="studio"]) table.studio-list [aria-sort="descending"] button.sort::after {
  content: " ▼";
}

:where(:root[data-surface="studio"]) table.studio-list input[type="checkbox"] {
  min-height: 0;
  margin: 0;
}

:where(:root[data-surface="studio"]) .studio-badge {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 400;
}

/* A deck's problems, as a link to its health; a newer library release, as a link to the library copies. */
:where(:root[data-surface="studio"]) .studio-badge-warning {
  border-color: var(--warning-border);
  background: var(--warning-soft);
  color: var(--warning-text);
}

/* What a library upgrade would change, folded out under its summary. */
:where(:root[data-surface="studio"]) .studio-diff {
  margin-top: 0.25rem;
}

:where(:root[data-surface="studio"]) .studio-diff h4 {
  margin: 0.5rem 0 0.25rem;
  font-size: 0.875rem;
}

:where(:root[data-surface="studio"]) .studio-health-list li {
  margin-bottom: 0.25rem;
  overflow-wrap: anywhere;
}

:where(:root[data-surface="studio"]) .studio-filter input {
  display: block;
  width: 100%;
  max-width: 24rem;
  margin-top: 0.25rem;
}

/* The card workbench: a card's sides wrap, as in Solid Memo's Browser;
   its filters side by side while there is room; the selection's count. */
:where(:root[data-surface="studio"]) table.studio-cards tbody th,
:where(:root[data-surface="studio"]) table.studio-cards tbody td:nth-child(3) {
  white-space: normal;
  min-width: 10rem;
  max-width: 24rem;
}

:where(:root[data-surface="studio"]) table.studio-cards tbody th p,
:where(:root[data-surface="studio"]) table.studio-cards tbody td p {
  margin: 0;
}

:where(:root[data-surface="studio"]) .studio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: flex-end;
  margin-bottom: 0.75rem;
}

:where(:root[data-surface="studio"]) .studio-filters label {
  display: block;
}

:where(:root[data-surface="studio"]) .studio-filters .studio-filter {
  flex: 1 1 14rem;
}

:where(:root[data-surface="studio"]) .studio-filters select {
  display: block;
  font: inherit;
  min-height: 2.75rem;
  margin-top: 0.25rem;
  max-width: 100%;
  padding: 0.55rem 0.8rem;
  color: var(--text);
  border: 1px solid var(--control-border);
  border-radius: var(--radius);
  background: var(--surface);
}

:where(:root[data-surface="studio"]) .studio-selection {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

:where(:root[data-surface="studio"]) .studio-selection p {
  margin: 0;
}

/* A Studio screen's part that changes things (ReadOnlyScope): no frame of its own. */
:where(:root[data-surface="studio"]) .studio-scope {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

:where(:root[data-surface="studio"]) .studio-preview {
  margin: 0.75rem 0;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow-wrap: anywhere;
}

:where(:root[data-surface="studio"]) .studio-preview h4 {
  margin: 0 0 0.5rem;
}

:where(:root[data-surface="studio"]) .studio-preview del {
  color: var(--text-muted);
}

:where(:root[data-surface="studio"]) .studio-preview ins {
  text-decoration: none;
  font-weight: 600;
}

/* An author of a deck: the name's field, and its Remove button beside it. */
:where(:root[data-surface="studio"]) .studio-author {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

:where(:root[data-surface="studio"]) .studio-author input {
  flex: 1 1 12rem;
  min-width: 0;
  margin-bottom: 0;
}

/* A card's schedule, a section per direction: its due day to set, the
   field and its button side by side while they fit. */
:where(:root[data-surface="studio"]) .studio-schedule section {
  margin-bottom: 1.25rem;
}

:where(:root[data-surface="studio"]) .studio-reschedule {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

:where(:root[data-surface="studio"]) .studio-reschedule label {
  flex-basis: 100%;
}

:where(:root[data-surface="studio"]) .studio-reschedule input {
  max-width: 100%;
  margin-bottom: 0;
}

/* A card's answers: one that forgot the card is marked, as the
   statistics mark a day's forgotten answers. */
:where(:root[data-surface="studio"]) table.studio-list tr.forgotten td:nth-child(3) {
  color: var(--danger);
}

/* A deck's schedule: its charts' sections apart, its leeches a list. */
:where(:root[data-surface="studio"]) .studio-insight .bar-chart {
  margin: 0 0 1.25rem;
}

:where(:root[data-surface="studio"]) .studio-leeches {
  margin: 0 0 0.75rem;
  padding-left: 1.5rem;
}

:where(:root[data-surface="studio"]) .studio-leeches li {
  margin: 0.35rem 0;
}

/* A course's chapters, each with its state and what can be done with it. */
:where(:root[data-surface="studio"]) .studio-chapters {
  margin: 0 0 0.75rem;
  padding-left: 1.5rem;
}

:where(:root[data-surface="studio"]) .studio-chapters li {
  margin: 0.35rem 0;
}

/* A deck's name, one per language. */
:where(:root[data-surface="studio"]) .studio-names {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
}

:where(:root[data-surface="studio"]) .studio-names li {
  margin: 0.25rem 0;
}

/* The Studio's tabs: links in a row, the one shown marked. */
:where(:root[data-surface="studio"]) .studio-tabs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

:where(:root[data-surface="studio"]) .studio-tabs a {
  display: inline-block;
  padding: 0.4rem 0.1rem;
  text-decoration: none;
}

/* The tab shown, or the one the page shown is under (a card under Cards). */
:where(:root[data-surface="studio"]) .studio-tabs a[aria-current] {
  font-weight: 600;
  border-bottom: 3px solid var(--primary);
}

/* A draft's listing preview (ListingPreviewScreen.tsx): the
   library's row and page as learners will see them, framed as a picture,
   nothing in them to press. */
:where(:root[data-surface="studio"]) .listing-preview {
  margin: 0.5rem 0 1rem;
  padding: 0.75rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  pointer-events: none;
}

/* The release check's problems: each subject, then its problems under it. */
:where(:root[data-surface="studio"]) .release-problems > li > ul {
  margin: 0.15rem 0 0.5rem;
}

/*
 * A release's themes (ReleaseMetadataScreen.tsx): its groups, unframed
 * in its frame; the topics wrap as the library's do, each narrower one
 * on a line under its broader one, indented.
 */
:where(:root[data-surface="studio"]) .release-themes fieldset {
  border: none;
  margin: 0.5rem 0 0;
  padding: 0;
}

:where(:root[data-surface="studio"]) .release-themes ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

:where(:root[data-surface="studio"]) .release-themes li:has(> ul) {
  flex-basis: 100%;
}

:where(:root[data-surface="studio"]) .release-themes li > ul {
  padding-inline-start: 1.5rem;
}

:where(:root[data-surface="studio"]) .release-themes label.checkbox-option {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* A checkbox keeps its size when its label wraps. */
:where(:root[data-surface="studio"]) .release-themes label.checkbox-option input {
  flex-shrink: 0;
}

/* A course draft's outline (DraftOutline.tsx): the deck list's
   rows, a step's name with the first words of its theory and its
   questions under it, none with an icon to indent past. */
:where(:root[data-surface="studio"]) .draft-outline .deck-open {
  padding-left: 0.4rem;
  text-indent: 0;
}

:where(:root[data-surface="studio"]) .draft-outline .outline-step-text {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

:where(:root[data-surface="studio"]) .draft-outline .outline-step-text > .hint {
  padding-left: 0.4rem;
  overflow-wrap: anywhere;
}

:where(:root[data-surface="studio"]) .draft-outline .outline-questions {
  margin: 0.25rem 0 0;
  padding-left: 1.6rem;
  font-size: 0.9rem;
}

:where(:root[data-surface="studio"]) .draft-order li {
  margin: 0.25rem 0;
}

/*
 * The page is a grid the window's height: the header across it; the
 * sidebar, then the main content, then the aside (while it is beside it,
 * data-aside), each scrolling on its own; the dock under the main content
 * and the aside; and at the foot the status bar beside the site's footer.
 * Nothing is capped to a column. The sidebar or the aside hidden, the
 * main content takes its room; the dock hidden, its row is empty.
 */
:root[data-surface="studio"] #app {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  grid-template-areas:
    "header header header header"
    "sidebar main main main"
    "sidebar dock dock dock"
    "status status footer footer";
  height: 100dvh;
  min-height: 0;
}

:root[data-surface="studio"][data-aside] #app {
  grid-template-areas:
    "header header header header"
    "sidebar main main aside"
    "sidebar dock dock dock"
    "status status footer footer";
}

:root[data-surface="studio"] header.site-header {
  grid-area: header;
}

:root[data-surface="studio"] .studio-sidebar {
  grid-area: sidebar;
  /*
   * Beside the main content, the containing block of what is placed
   * absolutely in it, so its own scrolling clips that, as main's does
   * (below). As a drawer, on a narrow screen, it is fixed instead: this
   * comes before that rule so as not to undo it.
   */
  position: relative;
}

:root[data-surface="studio"] main.workspace {
  grid-area: main;
}

:root[data-surface="studio"] .studio-aside {
  grid-area: aside;
}

:root[data-surface="studio"] .studio-dock {
  grid-area: dock;
}

:root[data-surface="studio"] .studio-status-bar {
  grid-area: status;
}

:root[data-surface="studio"] .site-footer {
  grid-area: footer;
}

:root[data-surface="studio"] header.site-header,
:root[data-surface="studio"] main.workspace {
  max-width: none;
  margin: 0;
}

/* Narrow: the dock, the status bar and the site's footer under the main content, and the sidebar a drawer over the page (NARROW in workspaceLayout.ts). */
@media (max-width: 48rem) {
  :root[data-surface="studio"] #app {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr) auto auto auto;
    grid-template-areas:
      "header"
      "main"
      "dock"
      "status"
      "footer";
  }

  :root[data-surface="studio"] .studio-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    width: min(18rem, 85vw);
    box-shadow: var(--shadow);
  }
}

/*
 * The header as one row: the sidebar's button, the masthead (the name,
 * who is signed in, Log out), the open instance, then the theme and the
 * language list, then the way back to Solid Memo. On a narrow screen it is
 * two: the button, the name and Log out; then the rest.
 */
:root[data-surface="studio"] header.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.75rem;
  min-height: 2.5rem;
  padding: 0.25rem 0.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

:root[data-surface="studio"] .studio-sidebar-toggle {
  order: -1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  min-height: 2rem;
  padding: 0.25rem;
  color: var(--text);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  box-shadow: none;
}

:root[data-surface="studio"] .studio-sidebar-toggle:hover {
  background: var(--surface-hover);
}

:root[data-surface="studio"] .studio-sidebar-toggle[aria-expanded="true"] {
  border-color: var(--border);
}

/* The open instance, a menu of the user's others: a long name wraps
   rather than being cut short. */
:root[data-surface="studio"] .studio-switcher {
  max-width: 14rem;
  min-height: 2rem;
  padding: 0.15rem 0.6rem;
  font-size: 0.875rem;
  overflow-wrap: anywhere;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: none;
}

:root[data-surface="studio"] .studio-switcher::after {
  content: " ▾";
  color: var(--text-muted);
}

:root[data-surface="studio"] .top-bar {
  order: 1;
  padding-top: 0;
}

/* The language list as tall and square as the header's other controls. */
:root[data-surface="studio"] .language-selector select {
  min-height: var(--s-control-h);
  padding: 0.15rem 0.4rem;
  font-size: var(--s-font-size);
  border-color: var(--border-strong);
  border-radius: var(--radius-sm);
}

:root[data-surface="studio"] header.site-header .header-link {
  order: 2;
  margin: 0;
  font-size: 0.875rem;
}

/* The aside's button, at the header's end, as the sidebar's is at its start. */
:root[data-surface="studio"] .studio-aside-toggle {
  order: 3;
}

@media (max-width: 48rem) {
  /* The masthead's name and Log out on the first row, beside the button; who is signed in has no room there, and is left out. */
  :root[data-surface="studio"] .masthead {
    flex-wrap: nowrap;
  }

  :root[data-surface="studio"] .masthead .session-line {
    display: none;
  }

  :root[data-surface="studio"] .studio-switcher {
    max-width: 10rem;
  }

  :root[data-surface="studio"] header.site-header .header-link {
    margin-left: auto;
  }
}

/* The masthead, flat in the header: no navy, no blobs, no tilt. */
:root[data-surface="studio"] .masthead {
  --link-hover-bg: inherit;
  --link-hover-border: inherit;
  --logo-height: 1.75rem;
  flex: 1 1 auto;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  color: var(--text);
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

:root[data-surface="studio"] .masthead-title {
  flex: 1 1 auto;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: baseline;
  gap: 0 0.75rem;
  padding-left: calc(var(--logo-height) * 1.5 + 0.5rem);
}

:root[data-surface="studio"] .masthead img.logo,
:root[data-surface="studio"] .masthead a.brand:hover img.logo {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: none;
  transform: translateY(-50%);
}

:root[data-surface="studio"] .masthead h1 {
  font-size: 1rem;
}

:root[data-surface="studio"] .wordmark,
:root[data-surface="studio"] .masthead a.brand:hover .wordmark {
  transform: none;
  animation: none;
}

/*
 * Who is signed in takes the room the row has left, cut short to keep
 * the header one row in a language of longer words (or in larger text),
 * the whole line its title; given less than 12rem, the row wraps instead.
 */
:root[data-surface="studio"] .session-line {
  flex: 1 1 auto;
  min-width: 12rem;
  margin: 0;
  overflow: hidden;
  color: var(--text-muted);
  white-space: nowrap;
  text-overflow: ellipsis;
  contain: inline-size;
}

:root[data-surface="studio"] .session-line a:hover {
  color: var(--link);
}

/*
 * With the account's link in it, the link is what is cut short, inside
 * a box of its own: its box would otherwise run on under Log out, hidden
 * but still covering the button's target (WCAG 2.5.8). The line keeps
 * its spaces as its language writes them ("{name}(으)로 로그인됨").
 */
:root[data-surface="studio"] .session-line:has(a) {
  display: flex;
  white-space: pre;
}

:root[data-surface="studio"] .session-line a {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

:root[data-surface="studio"] .masthead button {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border-strong);
  box-shadow: none;
}

:root[data-surface="studio"] .masthead button:hover:not(:disabled),
:root[data-surface="studio"] .masthead button:focus-visible {
  background: var(--surface-hover);
}

:root[data-surface="studio"] .masthead :focus-visible,
:root[data-surface="studio"] .masthead a.brand:focus-visible img.logo {
  outline-color: var(--primary);
}

:root[data-surface="studio"] main.workspace {
  /*
   * The containing block of what is placed absolutely in it: the text
   * kept for screen readers (.visually-hidden) and the empty error and
   * status lines. Without it they are placed against the page, outside
   * main's own scrolling, and make the page wider and taller than the
   * window, which a phone then zooms out to fit, the grid filling only
   * its top-left corner.
   */
  position: relative;
  padding: 0.5rem 1rem 1.5rem;
  overflow: auto;
  font-size: var(--s-font-size);
}

/* Calm headings, in the body's type: no display font, tilt or stamp. */
:root[data-surface="studio"] :is(h1, h2, h3) {
  font-family: inherit;
  font-weight: 600;
  letter-spacing: 0;
  word-spacing: normal;
  text-shadow: none;
  transform: none;
  animation: none;
}

/* Korean text in a heading too (style.css gives it the display font). */
:root[data-surface="studio"] :is(h1, h2, h3) * {
  font-family: inherit;
}

:root[data-surface="studio"] main h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

:root[data-surface="studio"] main h3 {
  font-size: 1rem;
}

/* Sections are flat and bordered, and come in without a pop. */
:root[data-surface="studio"] main section {
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  border-radius: var(--radius-sm);
  box-shadow: none;
  animation: none;
}

:root[data-surface="studio"]
  :is(.breadcrumbs, .instance-list li, .deck-list li, .card-table tbody tr) {
  animation: none;
}

:root[data-surface="studio"] .breadcrumbs ol {
  margin-bottom: 0.5rem;
  font-size: 0.8125rem;
}

/* Controls as tall as the density says; a sort button, a switch and a picture keep their own size. */
:root[data-surface="studio"]
  main
  :is(button, a.button, select, input:not([type="radio"], [type="checkbox"])):not(
    .sort,
    .switch,
    .picture-zoom-button
  ),
:root[data-surface="studio"] :is(.masthead, .studio-status-bar) button {
  min-height: var(--s-control-h);
  padding: 0.15rem 0.6rem;
  font-size: var(--s-font-size);
  border-radius: var(--radius-sm);
}

/* A text and its language in one box (LangTextField): as tall as the
   density says, the box rounded as the other controls; inside it the
   text square, and the button rounded only where the box is. The rule
   above would round them all: these weigh as much or more (the button
   matched as it does, `:is(button, a.button)`) and come after it. */
:root[data-surface="studio"] main .text-with-language {
  --joined-radius: var(--radius-sm);
}

:root[data-surface="studio"]
  main
  .text-with-language
  > :is(button, input:not([type="radio"], [type="checkbox"])) {
  border-radius: 0;
}

:root[data-surface="studio"] main .text-with-language > input + :is(button, a.button) {
  border-start-end-radius: calc(var(--joined-radius) - 1px);
  border-end-end-radius: calc(var(--joined-radius) - 1px);
}

:root[data-surface="studio"] main .text-with-language > textarea + :is(button, a.button) {
  border-end-start-radius: calc(var(--joined-radius) - 1px);
  border-end-end-radius: calc(var(--joined-radius) - 1px);
}

:root[data-surface="studio"] main .row-menu {
  min-width: var(--s-control-h);
}

/* A button stays where it is under the pointer. */
:root[data-surface="studio"] :is(button, a.button):hover:not(:disabled, [aria-disabled="true"]) {
  transform: none;
}

/*
 * Tables: rows as tall as the density says, and the header row kept in
 * sight while the main content scrolls. A table's wrapper does not
 * scroll on its own here (it would hold the header), so the main
 * content scrolls sideways too; but on a narrow screen a wide table
 * scrolls in its own box, its header row with it.
 */
:root[data-surface="studio"] main .studio-table {
  overflow: visible;
}

@media (max-width: 48rem) {
  :root[data-surface="studio"] main .studio-table {
    overflow-x: auto;
  }
}

:root[data-surface="studio"] main table {
  border-collapse: collapse;
  border-radius: 0;
  overflow: visible;
}

:root[data-surface="studio"] main :is(th, td) {
  height: var(--s-row-h);
  padding: var(--s-cell-py) var(--s-cell-px);
}

:root[data-surface="studio"] main td.clickable {
  padding: 0;
}

:root[data-surface="studio"] main td.clickable a {
  padding: var(--s-cell-py) var(--s-cell-px);
}

/* Its line drawn as a shadow: a collapsed border stays behind when the row sticks. */
:root[data-surface="studio"] main thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  box-shadow: inset 0 -1px 0 var(--border);
}

/*
 * A DataTable (shell/DataTable.tsx): its first column (the checkbox that
 * selects a row, then the row's name) stays in sight as the main content
 * scrolls sideways, on the table's own color. The cursor's row has a
 * bar at its start and the hover's color; a row selected, the primary's
 * soft tint; the row shown beside the table, both bar and tint.
 */
:root[data-surface="studio"] main .studio-data-table {
  --s-select-w: 2rem;
}

:root[data-surface="studio"] main .studio-data-table tr > :first-child,
:root[data-surface="studio"] main .studio-data-table.selectable tr > :nth-child(2) {
  position: sticky;
  left: 0;
  z-index: 1;
}

:root[data-surface="studio"] main .studio-data-table.selectable tr > :first-child {
  width: var(--s-select-w);
  min-width: var(--s-select-w);
  max-width: var(--s-select-w);
}

:root[data-surface="studio"] main .studio-data-table.selectable tr > :nth-child(2) {
  left: var(--s-select-w);
}

/* Where the header row and the first column meet, over both. */
:root[data-surface="studio"] main .studio-data-table thead tr > :first-child,
:root[data-surface="studio"] main .studio-data-table.selectable thead tr > :nth-child(2) {
  z-index: 2;
}

/* Below the cursor's and the selection's colors, which cover the first column too. */
:root[data-surface="studio"] main .studio-data-table tbody tr > :where(:first-child),
:root[data-surface="studio"]
  main
  .studio-data-table:where(.selectable)
  tbody
  tr
  > :where(:nth-child(2)) {
  background: var(--surface);
}

:root[data-surface="studio"] main .studio-data-table tbody tr.cursor > * {
  background: var(--surface-hover);
}

:root[data-surface="studio"] main .studio-data-table tbody tr:is(.selected, [aria-current]) > * {
  background: var(--primary-soft);
}

:root[data-surface="studio"]
  main
  .studio-data-table
  tbody
  tr:is(.cursor, [aria-current])
  > :first-child {
  box-shadow: inset 3px 0 0 var(--primary);
}

/* A table's Columns menu, at the end of the row above it. */
:root[data-surface="studio"] main .studio-table-tools {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.25rem;
}

/* Home's views: a row of tabs, the one shown pressed, each with its count. */
:root[data-surface="studio"] main .studio-views {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

:root[data-surface="studio"] main .studio-views button[aria-pressed="true"] {
  color: var(--text);
  background: var(--primary-soft);
  border-color: var(--primary);
}

:root[data-surface="studio"] main .studio-views .studio-count {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/*
 * A table's filters (the workbench's, Home's, a draft's cards'): one row,
 * wrapping only when the screen is narrow, each label small and beside
 * its field; the counts at the row's end.
 */
:root[data-surface="studio"] main .studio-filters {
  gap: 0.25rem 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

:root[data-surface="studio"] main .studio-filters label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

:root[data-surface="studio"] main .studio-filters .studio-filter {
  flex: 1 1 12rem;
  max-width: 24rem;
}

:root[data-surface="studio"] main .studio-filters :is(select, input) {
  display: inline-block;
  margin-top: 0;
  color: var(--text);
}

:root[data-surface="studio"] main .studio-filters .studio-filter input {
  flex: 1;
  width: auto;
  min-width: 0;
}

:root[data-surface="studio"] main .studio-filters > p {
  margin: 0;
  font-size: 0.8125rem;
}

:root[data-surface="studio"] main .studio-filters > p:first-of-type {
  margin-left: auto;
}

/* The keys of a table, said once more under it, quietly. */
:root[data-surface="studio"] main .studio-keys {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
}

/*
 * The bar of a table's selected rows (shell/BulkBar.tsx): in sight at the
 * foot of the main content while the table scrolls, over it.
 */
:root[data-surface="studio"] main .studio-bulk-bar {
  position: sticky;
  bottom: 0;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.5rem;
  margin-top: 0.5rem;
  padding: 0.35rem 0.5rem;
  background: var(--surface-sunken);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

:root[data-surface="studio"] main .studio-bulk-bar > p {
  margin: 0 0.25rem 0 0;
  font-weight: 600;
}

:root[data-surface="studio"] main .studio-bulk-bar .actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
}

:root[data-surface="studio"] main .studio-bulk-bar .actions p {
  margin: 0;
}

/*
 * What has the focus in a table is scrolled into sight clear of what
 * sticks over it: the header row, the first column and the bar of the
 * rows selected, as far in as the table measures they reach as the
 * focus comes in (shell/stickyClearance.ts). The first column sticks to the left
 * edge, whatever the direction of the text. On a narrow screen the
 * table scrolls sideways in its own box.
 */
:root[data-surface="studio"] main.workspace {
  scroll-padding: var(--s-sticky-top, 0) 0 var(--s-sticky-bottom, 0) var(--s-sticky-start, 0);
}

:root[data-surface="studio"] main .studio-table {
  scroll-padding-left: var(--s-sticky-start, 0);
}

/* A dialog's form: a field a line, under its label. */
:root[data-surface="studio"] .studio-dialog form label {
  display: block;
  margin-bottom: 0.5rem;
}

:root[data-surface="studio"] .studio-dialog form :is(select, input:not([type="checkbox"])) {
  display: block;
  margin-top: 0.25rem;
  max-width: 100%;
}

:root[data-surface="studio"] .studio-dialog form .studio-check {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-right: 1rem;
}

:root[data-surface="studio"] .studio-dialog fieldset {
  margin: 0 0 0.5rem;
  padding: 0;
  border: 0;
}

/*
 * A chapter's, a step's or a question's editor on a wide screen: the
 * preview beside the form, not under it, in sight as the form scrolls.
 */
@media (min-width: 80rem) {
  :root[data-surface="studio"] main .prose-field {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 1rem;
    align-items: start;
  }

  :root[data-surface="studio"] main .prose-field > :not(.prose-preview) {
    grid-column: 1;
  }

  :root[data-surface="studio"] main .prose-field > .prose-preview {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin: 0;
  }

  :root[data-surface="studio"] main .studio-editor {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(16rem, 2fr);
    gap: 1rem;
    align-items: start;
  }

  /* A read-only draft's notice, then the form, on the left. */
  :root[data-surface="studio"] main .studio-editor > :not(.course-player) {
    grid-column: 1;
  }

  :root[data-surface="studio"] main .studio-editor > .course-player {
    grid-column: 2;
    grid-row: 1 / span 2;
    position: sticky;
    top: 0;
  }
}

/*
 * The card inspector's card as it is studied: small, its two faces side
 * by side, so the fields under it are in sight.
 */
:root[data-surface="studio"] .card-inspector .practice-card {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.75rem;
  min-height: 0;
  max-height: 10rem;
  padding: 0.5rem 0.75rem;
  overflow: auto;
  font-size: 0.875rem;
  text-align: left;
  animation: none;
}

:root[data-surface="studio"] .card-inspector .practice-card .card-face {
  flex: 1 1 0;
  min-width: 0;
  align-items: flex-start;
  gap: 0.35rem;
}

:root[data-surface="studio"] .card-inspector .practice-card .card-question > p {
  font-size: 1.25rem;
}

:root[data-surface="studio"] .card-inspector .practice-card .card-answer {
  padding: 0 0 0 0.75rem;
  border-top: 0;
  border-left: 1px dashed var(--border-strong);
}

:root[data-surface="studio"] .card-inspector .practice-card .card-answer > p {
  font-size: 1rem;
}

:root[data-surface="studio"] .card-inspector .practice-card img {
  max-height: 5rem;
}

/* A deck or a library copy beside its table: its figures as name and value, a row each. */
:root[data-surface="studio"] .studio-peek h3 {
  margin: 0 0 0.5rem;
}

:root[data-surface="studio"] .studio-peek dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.75rem;
  margin: 0.5rem 0;
}

:root[data-surface="studio"] .studio-peek dd {
  margin: 0;
}

:root[data-surface="studio"] .studio-peek-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  padding: 0;
  list-style: none;
}

/* A card beside its deck's cards: Previous and Next at its heading's end. */
:root[data-surface="studio"] .studio-card-steps {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}

/*
 * The sidebar: the instance's sections, then its decks and drafts, each a
 * row as tall as the density says, the one shown marked.
 */
:root[data-surface="studio"] .studio-sidebar {
  width: 15rem;
  min-height: 0;
  padding: 0.5rem;
  overflow: auto;
  font-size: 0.875rem;
  background: var(--surface-sunken);
  border-right: 1px solid var(--border);
}

/* Hidden, from its button or as a drawer closed. */
:root[data-surface="studio"] .studio-sidebar[hidden] {
  display: none;
}

:root[data-surface="studio"] .studio-sidebar ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:root[data-surface="studio"] .studio-sidebar li {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  overflow-wrap: anywhere;
}

:root[data-surface="studio"] .studio-sidebar li a {
  flex: 1 1 auto;
  min-height: var(--s-row-h);
  padding: 0.2rem 0.5rem;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-sm);
}

:root[data-surface="studio"] .studio-sidebar li a:hover {
  background: var(--surface-hover);
}

:root[data-surface="studio"] .studio-sidebar li a[aria-current] {
  font-weight: 600;
  background: var(--primary-soft);
}

:root[data-surface="studio"] .studio-sidebar li .hint {
  margin-right: 0.5rem;
  font-size: 0.75rem;
}

:root[data-surface="studio"] .studio-sidebar p {
  margin: 0.25rem 0.5rem;
}

:root[data-surface="studio"] .studio-sidebar .studio-filter {
  display: block;
  margin: 0.75rem 0.5rem 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

:root[data-surface="studio"] .studio-sidebar .studio-filter input {
  min-height: var(--s-control-h);
  padding: 0.1rem 0.4rem;
  font-size: var(--s-font-size);
}

:root[data-surface="studio"] .studio-sidebar .studio-sidebar-label {
  margin: 0.75rem 0.5rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* The problems the instance's check found, beside its health. */
:root[data-surface="studio"] .studio-count {
  min-width: 1.25rem;
  margin-right: 0.25rem;
  padding: 0 0.4rem;
  font-size: 0.75rem;
  text-align: center;
  color: var(--warning-text);
  background: var(--warning-soft);
  border: 1px solid var(--warning-border);
  border-radius: 999px;
}

/* The deck's or draft's tabs, under the trail. */
:root[data-surface="studio"] main .studio-tabs ul {
  margin: 0 0 0.75rem;
}

:root[data-surface="studio"] main .studio-tabs a {
  padding: 0.25rem 0.1rem;
}

/* The status bar: the instance, whether the draft is saved, and the density. */
:root[data-surface="studio"] .studio-status-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1rem;
  min-width: 0;
  padding: 0.2rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: var(--surface-sunken);
  border-top: 1px solid var(--border);
}

:root[data-surface="studio"] .studio-status-bar p {
  margin: 0;
}

:root[data-surface="studio"] .studio-density {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}

:root[data-surface="studio"] .studio-density button[aria-pressed="true"] {
  color: var(--text);
  background: var(--primary-soft);
  border-color: var(--primary);
}

/* Its rows, on a narrow screen, apart as the links' rows are (WCAG 2.5.8). */
:root[data-surface="studio"] .site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem 1rem;
  padding: 0.2rem 0.75rem;
  font-size: 0.75rem;
  background: var(--surface-sunken);
  border-top: 1px solid var(--border);
}

/* A region F6 moves to rings as the focus does from the keyboard, not after a click. */
:root[data-surface="studio"] [data-region]:focus:not(:focus-visible) {
  outline: none;
}

/* A dialog over the workspace (Dialog), its heading beside its Close. */
:root[data-surface="studio"] .studio-dialog {
  width: min(36rem, calc(100vw - 2rem));
  max-height: calc(100dvh - 4rem);
  padding: 0.75rem 1rem 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

:root[data-surface="studio"] .studio-dialog::backdrop {
  background: var(--zoom-backdrop);
}

:root[data-surface="studio"] .studio-dialog > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

:root[data-surface="studio"] .studio-dialog :is(h2, h3) {
  margin: 0.5rem 0;
}

/* The palette's button in the header, between the open instance and the theme: a field to look at, its keys at its end. */
:root[data-surface="studio"] .studio-search {
  display: inline-flex;
  flex: 0 1 18rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2rem;
  margin-inline: auto;
  padding: 0.15rem 0.6rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: left;
  background: var(--surface-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: none;
}

:root[data-surface="studio"] .studio-search:hover {
  border-color: var(--border-strong);
}

/* The palette: near the top, so it stays put as the entries that match come and go. */
:root[data-surface="studio"] .studio-dialog:has(.studio-palette-input) {
  margin-block-start: 10dvh;
}

/* Its field, then the entries under their headings, the one picked tinted. */
:root[data-surface="studio"] .studio-palette-input {
  width: 100%;
  min-height: var(--s-control-h);
}

:root[data-surface="studio"] .studio-palette-list {
  max-height: min(24rem, 50dvh);
  margin-top: 0.5rem;
  overflow-y: auto;
}

:root[data-surface="studio"] .studio-palette-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:root[data-surface="studio"] .studio-palette-group {
  padding: 0.5rem 0.5rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

:root[data-surface="studio"] .studio-palette-list [role="option"] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--s-row-h);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

:root[data-surface="studio"] .studio-palette-list [aria-selected="true"] {
  background: var(--primary-soft);
}

:root[data-surface="studio"] .studio-palette-keys {
  font-size: 0.8125rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* The key help: the keys, then what they do. */
:root[data-surface="studio"] .studio-keymap {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1rem;
  margin: 0;
}

:root[data-surface="studio"] .studio-keymap dd {
  margin: 0;
}

:root[data-surface="studio"] :is(.studio-keys, .studio-keymap, .studio-palette-keys) kbd {
  padding: 0 0.3rem;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.85em;
}

/* The sidebar as a drawer: its own Close, over the header's button. */
:root[data-surface="studio"] .studio-drawer-close {
  display: block;
  margin: 0 0 0.5rem auto;
  min-height: var(--s-control-h);
  padding: 0.15rem 0.6rem;
  font-size: var(--s-font-size);
}

/*
 * The aside, right of the main content: its splitter on its left edge,
 * its name and Hide, then its content, which scrolls on its own.
 */
:root[data-surface="studio"] .studio-aside {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  font-size: var(--s-font-size);
  background: var(--surface);
  border-left: 1px solid var(--border);
}

:root[data-surface="studio"] .studio-aside[hidden] {
  display: none;
}

/*
 * Beside the main content, as wide as its splitter makes it, but never
 * so wide that the main content keeps less than 20rem beside the sidebar
 * (15rem): a width set on a wide window holds on a narrower one.
 */
:root[data-surface="studio"][data-aside] .studio-aside {
  max-width: calc(100vw - 35rem);
}

/* Not wide: a drawer over the page, at its right (MEDIUM in workspaceLayout.ts). */
@media (max-width: 64rem) {
  :root[data-surface="studio"] .studio-aside {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: 20;
    width: min(20rem, 85vw);
    box-shadow: var(--shadow);
  }
}

:root[data-surface="studio"] :is(.studio-aside-bar, .studio-dock-bar) {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.25rem 0.5rem 0.25rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

:root[data-surface="studio"] .studio-aside-bar p {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

:root[data-surface="studio"] :is(.studio-aside, .studio-dock) button {
  min-height: var(--s-control-h);
  padding: 0.15rem 0.6rem;
  font-size: var(--s-font-size);
  border-radius: var(--radius-sm);
  box-shadow: none;
}

:root[data-surface="studio"] .studio-aside-content {
  flex: 1 1 auto;
  min-height: 0;
  padding: 0.5rem 0.75rem;
  overflow: auto;
}

/* What the page shown edits, in the aside's outline. */
:root[data-surface="studio"] .studio-aside a[aria-current="page"] {
  font-weight: 600;
  text-decoration: none;
  background: var(--primary-soft);
  border-radius: var(--radius-sm);
}

/* A splitter: a thin bar to drag, on the pane's edge, marked as the focus or the pointer is on it. */
:root[data-surface="studio"] .studio-splitter {
  position: absolute;
  z-index: 2;
  background: transparent;
  touch-action: none;
}

:root[data-surface="studio"] .studio-splitter-vertical {
  inset: 0 auto 0 -3px;
  width: 6px;
  cursor: col-resize;
}

:root[data-surface="studio"] .studio-splitter-horizontal {
  inset: -3px 0 auto 0;
  height: 6px;
  cursor: row-resize;
}

:root[data-surface="studio"] .studio-splitter:is(:hover, :focus-visible) {
  background: var(--primary);
  outline: none;
}

/*
 * The dock, under the main content: its splitter on its top edge, its
 * tabs and Hide, then the tab shown, which scrolls on its own. A pane of
 * the page, not a card on it, though it is a section.
 */
:root[data-surface="studio"] .studio-dock {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  margin: 0;
  padding: 0;
  font-size: var(--s-font-size);
  background: var(--surface);
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  box-shadow: none;
}

:root[data-surface="studio"] .studio-dock [role="tablist"] {
  display: flex;
  gap: 0.25rem;
}

:root[data-surface="studio"] .studio-dock [role="tab"] {
  color: var(--text-muted);
  background: none;
  border: 1px solid transparent;
}

:root[data-surface="studio"] .studio-dock [role="tab"][aria-selected="true"] {
  color: var(--text);
  background: var(--primary-soft);
  border-color: var(--primary);
}

:root[data-surface="studio"] .studio-dock-panel {
  flex: 1 1 auto;
  min-height: 0;
  padding: 0.25rem 0.75rem 0.5rem;
  overflow: auto;
}

:root[data-surface="studio"] .studio-dock-panel h3 {
  margin: 0.5rem 0 0.25rem;
  font-size: 0.875rem;
}

:root[data-surface="studio"] .studio-dock-panel section {
  padding: 0;
  margin: 0;
  border: none;
}

/* The activity: each line after its time. */
:root[data-surface="studio"] .studio-activity {
  margin: 0;
  padding: 0;
  list-style: none;
}

:root[data-surface="studio"] .studio-activity time {
  margin-right: 0.5rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* The status bar's count of problems, a button that opens the dock at them, and the link to the check when problems keep a draft from being published: marked while there are any. */
:root[data-surface="studio"] .studio-status-bar .studio-problem-count {
  color: var(--warning-text);
  background: var(--warning-soft);
  border-color: var(--warning-border);
}

/* A tab's count, as the sidebar's. */
:root[data-surface="studio"] main .studio-tabs .studio-count {
  margin: 0 0 0 0.25rem;
}

/*
 * A pin beside each deck and draft of the sidebar: faint until its row
 * is pointed at or has the focus, though still at the ratio an edge
 * needs on the sidebar (WCAG 1.4.11), marked while the item is pinned.
 */
:root[data-surface="studio"] .studio-sidebar .studio-pin {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--s-row-h);
  min-height: var(--s-row-h);
  padding: 0;
  color: var(--text-muted);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  box-shadow: none;
  opacity: 0.75;
}

:root[data-surface="studio"] .studio-sidebar li:is(:hover, :focus-within) .studio-pin,
:root[data-surface="studio"] .studio-sidebar .studio-pin[aria-pressed="true"] {
  opacity: 1;
}

:root[data-surface="studio"] .studio-sidebar .studio-pin[aria-pressed="true"] {
  color: var(--primary);
}

:root[data-surface="studio"] .studio-sidebar .studio-pin svg.icon {
  margin: 0;
}

/* A saved view among a table's views, its menu right after it. */
:root[data-surface="studio"] main .studio-views .studio-saved-view {
  margin-right: -0.25rem;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

:root[data-surface="studio"] main .studio-views button.studio-view-menu {
  min-width: 0;
  padding: 0 0.25rem;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

:root[data-surface="studio"] main .studio-views .studio-view-menu svg.icon {
  margin: 0;
}

/*
 * A cell edited in place: its button looks as the cell's text does,
 * outlined only as it is pointed at or has the focus; open, the field
 * and its Save and Cancel on one line.
 */
:root[data-surface="studio"] main .studio-data-table button.studio-cell-edit {
  min-height: 0;
  margin: -0.1rem -0.3rem;
  padding: 0.1rem 0.3rem;
  font: inherit;
  text-align: inherit;
  color: inherit;
  background: none;
  border: 1px dashed transparent;
  box-shadow: none;
  cursor: text;
}

:root[data-surface="studio"]
  main
  .studio-data-table
  button.studio-cell-edit:is(:hover, :focus-visible) {
  border-color: var(--border-strong);
}

:root[data-surface="studio"] main .studio-data-table .studio-cell.editing {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

:root[data-surface="studio"] main .studio-data-table .studio-cell.editing :is(input, select) {
  min-width: 6rem;
}

:root[data-surface="studio"] main .studio-data-table .studio-cell.editing input[type="number"] {
  width: 5rem;
  min-width: 0;
}

/* Whether the draft can be published, in the status bar: a link in the bar's color, framed while problems keep it from it. */
:root[data-surface="studio"] .studio-status-bar a {
  color: inherit;
}

:root[data-surface="studio"] .studio-status-bar a.studio-problem-count {
  padding: 0 0.4rem;
  border: 1px solid var(--warning-border);
  border-radius: var(--radius-sm);
}

/*
 * The instance graph (graph/GraphView.tsx): the drawing in a frame as
 * wide as the page and most of the window high, dragged to move it; on
 * a small or short screen, low enough that the page around it is still
 * scrolled to. Each kind of node has its own shape, and its own fill and
 * line. Each kind of edge has its own color, at 3:1 or more on the
 * surface, and is told apart by more than it: by the shapes at its ends
 * (a folder's or a document's own, a vocabulary term's small square)
 * and in the table of edges; the node selected's keep their colors,
 * wider and dashed. The edges are solid: thousands of dashed
 * lines are slow to draw at every move. Lines stay a pixel wide at any
 * zoom, and the nodes and their rings as large: --graph-shape, set on
 * the drawing as a zoom settles, scales each about its own middle, and
 * --graph-line is how wide a pixel is.
 */
:root[data-surface="studio"] .graph {
  margin: 0;
}

:root[data-surface="studio"] .graph-zoom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

:root[data-surface="studio"] .graph-plot {
  display: block;
  width: 100%;
  height: min(70vh, 44rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: grab;
  touch-action: none;
  user-select: none;
}

:root[data-surface="studio"] .graph-plot:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

:root[data-surface="studio"]
  .graph-plot
  :is(.graph-node, .graph-selected, .graph-pointed, .graph-hovered) {
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

/*
 * The edges a pixel wide as a zoom settles (--graph-line, the drawing's
 * units a pixel is then, GraphView), not by non-scaling-stroke: thousands
 * of curves drawn so are slow at every frame of a move in some browsers.
 */
/* The edges select nothing: the pointer goes through them, to the node under them or the background. */
:root[data-surface="studio"] .graph-plot .graph-edges {
  stroke-width: var(--graph-line, 1);
  pointer-events: none;
}

:root[data-surface="studio"]
  .graph-plot
  :is(.graph-node, .graph-selected, .graph-pointed, .graph-hovered) {
  transform: scale(var(--graph-shape, 1));
  transform-box: fill-box;
  transform-origin: center;
}

:root[data-surface="studio"] .graph-edges {
  fill: none;
}

:root[data-surface="studio"] .edges-link {
  stroke: var(--primary);
}

:root[data-surface="studio"] .edges-containment {
  stroke: var(--text-muted);
}

:root[data-surface="studio"] .edges-vocabulary {
  stroke: var(--warning-text);
}

/*
 * The edges bundled along the tree, not its own (graph/layout.ts): drawn
 * always in a mix of their color and the background's, the paler the
 * further in (--graph-bundle-ink, GraphView), for many side by side to
 * read as one, and what is zoomed in on to show over them. A mix, not an
 * opacity: lines over each other stay as pale. Those of the node
 * selected, or pointed at, are drawn again over them in full.
 */
:root[data-surface="studio"] .graph-always .edges-bundled.edges-containment {
  stroke: color-mix(
    in srgb,
    var(--text-muted) calc(var(--graph-bundle-ink, 1) * 100%),
    var(--surface)
  );
}

:root[data-surface="studio"] .graph-always .edges-bundled.edges-link {
  stroke: color-mix(
    in srgb,
    var(--primary) calc(var(--graph-bundle-ink, 1) * 100%),
    var(--surface)
  );
}

/* A part of the bundles drawn for many edges, as wide as a rope of them is (ROPES, GraphView). */
:root[data-surface="studio"] .graph-plot .graph-always .edges-rope1 {
  stroke-width: calc(2 * var(--graph-line, 1));
}

:root[data-surface="studio"] .graph-plot .graph-always .edges-rope2 {
  stroke-width: calc(4 * var(--graph-line, 1));
}

/* The node selected's few edges, each kind in its color: wider, and dashed, as no other edge is. */
:root[data-surface="studio"] .graph-plot .graph-focus .graph-edges {
  stroke-width: calc(2 * var(--graph-line, 1));
  stroke-dasharray: calc(4 * var(--graph-line, 1)) calc(2 * var(--graph-line, 1));
}

/*
 * A vocabulary term's own, thousands perhaps, under the nodes: solid and
 * a pixel wide, as dashes would be slow, and the paler the more there
 * are (--graph-hub-ink, GraphView), for the nodes to show over them. A
 * mix, not an opacity: lines over each other stay as pale.
 */
:root[data-surface="studio"] .graph-plot .graph-focus.graph-hub .graph-edges {
  stroke: color-mix(
    in srgb,
    var(--warning-text) calc(var(--graph-hub-ink, 1) * 100%),
    var(--surface)
  );
  stroke-width: var(--graph-line, 1);
  stroke-dasharray: none;
}

/* The whole shape takes the pointer, a hollow one's inside too (fill: none): a click in it selects it, not lets go. */
:root[data-surface="studio"] .graph-plot .graph-node {
  pointer-events: visible;
}

:root[data-surface="studio"] .graph-node {
  cursor: pointer;
  fill: var(--primary);
  stroke: var(--surface);
}

:root[data-surface="studio"] .graph-node:is(.kind-container, .kind-document) {
  fill: var(--surface-sunken);
  stroke: var(--text);
}

:root[data-surface="studio"] .graph-node.absent,
:root[data-surface="studio"] .graph-node.kind-outsideLeaf {
  fill: none;
  stroke: var(--text);
  stroke-dasharray: 2 2;
}

:root[data-surface="studio"] .graph-node.kind-vocabularyLeaf {
  fill: var(--text-muted);
  stroke: none;
}

:root[data-surface="studio"] .graph-node.kind-podLeaf {
  fill: var(--accent-yellow);
  stroke: var(--text);
}

:root[data-surface="studio"] .graph-node.kind-missing {
  fill: none;
  stroke: var(--danger);
}

/* A name drawn over the edges is ringed in the background's color, to read: as wide as a quarter of its size (GraphView). */
:root[data-surface="studio"] .graph-labels {
  fill: var(--text);
  stroke: var(--surface);
  stroke-linejoin: round;
  paint-order: stroke;
  pointer-events: none;
}

:root[data-surface="studio"] :is(.graph-selected, .graph-pointed, .graph-hovered) {
  fill: none;
  stroke: var(--text);
  pointer-events: none;
}

:root[data-surface="studio"] :is(.graph-pointed, .graph-hovered) {
  stroke-dasharray: 3 2;
}

/* Below the main content's own height on a small or short screen, so a swipe or the wheel beside it still scrolls the page. */
@media (max-width: 64rem), (max-height: 40rem) {
  :root[data-surface="studio"] .graph-plot {
    height: clamp(10rem, 100dvh - 22rem, 44rem);
  }
}

:root[data-surface="studio"] .graph-placing progress {
  vertical-align: middle;
}

:root[data-surface="studio"] .graph-large {
  padding: 0.75rem 1rem;
  border: 1px solid var(--warning-border);
  border-radius: var(--radius-sm);
}

:root[data-surface="studio"] .graph-found ul,
:root[data-surface="studio"] .graph-links {
  padding: 0;
  list-style: none;
}

:root[data-surface="studio"] :is(.graph-found, .graph-links) li {
  min-height: 1.5rem;
  overflow-wrap: anywhere;
}

/* A button that selects a node, worded as a link is. */
:root[data-surface="studio"] .graph-link {
  min-height: 1.5rem;
  margin: 0 0.5rem 0 0;
  padding: 0;
  border: none;
  background: none;
  color: var(--link);
  font: inherit;
  text-align: start;
  text-decoration: underline;
  overflow-wrap: anywhere;
  cursor: pointer;
}

:root[data-surface="studio"] .graph-iri {
  overflow-wrap: anywhere;
}

:root[data-surface="studio"] .graph-node-pane dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.75rem;
  margin: 0.5rem 0;
}

:root[data-surface="studio"] .graph-node-pane dl > div {
  display: contents;
}

:root[data-surface="studio"] .graph-node-pane dd {
  margin: 0;
  overflow-wrap: anywhere;
}

/* In forced colors, the system's: the shapes and dashes still tell the kinds apart. */
@media (forced-colors: active) {
  :root[data-surface="studio"] .graph-plot {
    forced-color-adjust: none;
    background: Canvas;
  }

  :root[data-surface="studio"] .graph-edges {
    stroke: GrayText;
  }

  :root[data-surface="studio"] .graph-node,
  :root[data-surface="studio"] .graph-node:is(.kind-container, .kind-document, .kind-podLeaf) {
    fill: Canvas;
    stroke: CanvasText;
  }

  :root[data-surface="studio"] .graph-node:is(.kind-resource, .kind-vocabularyLeaf) {
    fill: CanvasText;
  }

  :root[data-surface="studio"] .graph-node:is(.absent, .kind-outsideLeaf, .kind-missing) {
    fill: none;
    stroke: CanvasText;
  }

  :root[data-surface="studio"] .graph-labels {
    fill: CanvasText;
    stroke: Canvas;
  }

  :root[data-surface="studio"]
    :is(.graph-focus .graph-edges, .graph-selected, .graph-pointed, .graph-hovered) {
    stroke: Highlight;
  }

  /* As specific as the mixes it stands for, to win over them. */
  :root[data-surface="studio"] .graph-always .edges-bundled:is(.edges-link, .edges-containment) {
    stroke: GrayText;
  }

  /* Under the nodes, a term's own edges need not be pale, and are clearer in full. */
  :root[data-surface="studio"] .graph-plot .graph-focus.graph-hub .graph-edges {
    stroke: Highlight;
  }
}