/* LineAstra's classes. Every page and React component styles itself only with these, and these use only the
   variables in tokens.css. Directions are logical (start and end) so right-to-left languages need no redesign. */

/* Base */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, p, ul, ol, figure {
  margin: 0;
}

ul[class], ol[class] {
  padding: 0;
  list-style: none;
}

img, svg {
  display: block;
  max-inline-size: 100%;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: var(--focus-width) solid var(--color-focus);
  outline-offset: var(--focus-offset);
}

::selection {
  background: var(--color-accent-soft);
}

/* Numbers that line up, on every figure. */
.num {
  font-variant-numeric: tabular-nums;
}

.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Layout */

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.stack--xs { gap: var(--space-1); }
.stack--sm { gap: var(--space-2); }
.stack--md { gap: var(--space-3); }
.stack--lg { gap: var(--space-6); }
.stack--xl { gap: var(--space-8); }

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.cluster--lg { gap: var(--space-4); }
.cluster--between { justify-content: space-between; }
.cluster--end { justify-content: flex-end; }
.cluster--nowrap { flex-wrap: nowrap; }

.grow {
  flex: 1 1 auto;
  min-inline-size: 0;
}

.divider {
  block-size: var(--border-width);
  margin: 0;
  border: 0;
  background: var(--color-border);
}

/* Text */

.heading-1 {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.heading-2 {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

.heading-3 {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

.text-muted { color: var(--color-text-muted); }
.text-subtle { color: var(--color-text-subtle); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }

.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mono {
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

.eyebrow {
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.link {
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-accent-text);
  font-weight: var(--weight-medium);
  text-decoration: none;
  cursor: pointer;
}

.link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.link--muted {
  color: var(--color-text-muted);
}

.link--danger {
  color: var(--color-danger);
}

.prose {
  max-inline-size: var(--content-narrow);
  font-size: var(--text-md);
}

.prose > * + * {
  margin-block-start: var(--space-4);
}

.prose h2 {
  margin-block-start: var(--space-8);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
}

.prose ul, .prose ol {
  padding-inline-start: var(--space-6);
}

.prose li + li {
  margin-block-start: var(--space-2);
}

.prose a {
  color: var(--color-accent-text);
}

/* Brand */

/* The wordmark is the whole logo (decision 0027): set by its height, never stretched, never under 18px tall. */
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand__logo {
  display: block;
  inline-size: auto;
  max-inline-size: none;
  block-size: var(--logo-height);
}

.brand--large .brand__logo {
  block-size: var(--logo-height-lg);
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-block-size: var(--control-height);
  padding: 0 var(--space-4);
  border: var(--border-width) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.button:hover {
  background: var(--color-surface-hover);
}

.button:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.button:disabled, .button[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.button--primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.button--primary:hover {
  border-color: var(--color-accent-hover);
  background: var(--color-accent-hover);
}

.button--danger {
  border-color: var(--color-danger);
  background: var(--color-danger);
  color: var(--color-on-accent);
}

.button--danger:hover {
  border-color: var(--color-danger-hover);
  background: var(--color-danger-hover);
}

.button--ghost {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  color: var(--color-text-muted);
}

.button--ghost:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

/* An action that can't be undone, offered plainly rather than as the page's main action, such as deleting an account. */
.button--danger-outline {
  border-color: var(--color-danger);
  background: var(--color-surface);
  color: var(--color-danger);
}

.button--danger-outline:hover {
  background: var(--color-danger-soft);
}

.button--danger-ghost {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  color: var(--color-danger);
}

.button--danger-ghost:hover {
  background: var(--color-danger-soft);
}

.button--sm {
  min-block-size: var(--control-height-sm);
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
}

.button--lg {
  min-block-size: var(--control-height-lg);
  padding: 0 var(--space-6);
  font-size: var(--text-md);
}

.button--block {
  inline-size: 100%;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  inline-size: var(--control-height);
  block-size: var(--control-height);
  padding: 0;
  border: 0;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
}

.icon-button:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.icon {
  inline-size: 1.125rem;
  block-size: 1.125rem;
  flex: none;
}

.icon--sm {
  inline-size: 1rem;
  block-size: 1rem;
}

.icon--lg {
  inline-size: 1.5rem;
  block-size: 1.5rem;
}

.spinner {
  display: inline-block;
  vertical-align: middle;
  inline-size: 1rem;
  block-size: 1rem;
  border: 2px solid currentColor;
  border-inline-end-color: transparent;
  border-radius: var(--radius-full);
  animation: spin var(--duration-spin) linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Forms */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field__label {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.field__hint {
  color: var(--color-text-subtle);
  font-size: var(--text-sm);
}

.field__error {
  color: var(--color-danger);
  font-size: var(--text-sm);
}

.input, .select {
  inline-size: 100%;
  min-block-size: var(--control-height);
  padding: var(--space-2) var(--space-3);
  border: var(--border-width) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

/* Fields stay at 16px on touch screens, where anything smaller makes iOS zoom in. */
@media (pointer: coarse) {
  .input, .select {
    font-size: var(--text-md);
  }
}

.input::placeholder {
  color: var(--color-text-subtle);
}

.input:focus, .select:focus {
  border-color: var(--color-focus);
  outline: none;
  box-shadow: var(--focus-ring);
}

.input[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.input--code {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-code);
  text-align: center;
  text-transform: uppercase;
}

.select {
  appearance: none;
  padding-inline-end: var(--space-8);
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-subtle) 50%),
    linear-gradient(135deg, var(--color-text-subtle) 50%, transparent 50%);
  background-position: calc(100% - 1.1rem) 50%, calc(100% - 0.8rem) 50%;
  background-size: 0.3rem 0.3rem;
  background-repeat: no-repeat;
}

.select:dir(rtl) {
  background-position: 1.1rem 50%, 0.8rem 50%;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  cursor: pointer;
}

.checkbox input {
  flex: none;
  inline-size: 1.125rem;
  block-size: 1.125rem;
  margin: var(--space-0-5) 0 0;
  accent-color: var(--color-accent);
}

/* A whole row to tick, such as a person in a list: centred, with room for a picture and two lines. */
.checkbox--row {
  align-items: center;
  inline-size: 100%;
}

.checkbox--row input {
  margin: 0;
}

/* A choice with a short name and a quiet line saying what it covers. */
.checkbox__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.checkbox__title {
  color: var(--color-text);
  font-weight: var(--weight-medium);
}

.checkbox__hint {
  color: var(--color-text-subtle);
  font-size: var(--text-sm);
}

/* Messages */

.alert {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.alert--danger {
  border-color: color-mix(in srgb, var(--color-danger) 30%, transparent);
  background: var(--color-danger-soft);
  color: var(--color-danger-text);
}

.alert--success {
  border-color: color-mix(in srgb, var(--color-success) 30%, transparent);
  background: var(--color-success-soft);
  color: var(--color-success);
}

.alert--warning {
  border-color: color-mix(in srgb, var(--color-warning) 30%, transparent);
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.alert--info {
  border-color: color-mix(in srgb, var(--color-accent) 25%, transparent);
  background: var(--color-accent-soft);
  color: var(--color-accent-text);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-0-5) var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  white-space: nowrap;
}

.badge--accent { background: var(--color-accent-soft); color: var(--color-accent-text); }
.badge--success { background: var(--color-success-soft); color: var(--color-success); }
.badge--warning { background: var(--color-warning-soft); color: var(--color-warning); }
.badge--danger { background: var(--color-danger-soft); color: var(--color-danger-text); }

.status-dot {
  inline-size: 0.5rem;
  block-size: 0.5rem;
  flex: none;
  border-radius: var(--radius-full);
  background: var(--color-text-subtle);
}

.status-dot--live {
  background: var(--color-success-mark);
  box-shadow: 0 0 0 var(--halo-width) var(--color-success-soft);
}

/* Surfaces */

.card {
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
}

.card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-5) var(--space-6) 0;
}

.card__body {
  padding: var(--space-5) var(--space-6);
}

.card__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-block-start: var(--border-width) solid var(--color-border);
}

.card__footer--start {
  justify-content: space-between;
}

.card--highlight {
  border-inline-start: var(--highlight-edge) solid var(--color-highlight);
  animation: arrive var(--duration-slow) var(--ease-out);
}

@keyframes arrive {
  from { opacity: 0; transform: translateY(-6px); }
}

.code-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-0-5) var(--space-2);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-code);
}

.qr {
  inline-size: var(--qr-size);
  block-size: var(--qr-size);
  padding: var(--space-2);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-qr-paper);
}

.avatar {
  display: inline-grid;
  place-items: center;
  inline-size: 2rem;
  block-size: 2rem;
  flex: none;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: var(--color-accent-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
}

/* Lists of things, such as rooms and templates */

.item-list {
  container: items / inline-size;
  display: flex;
  flex-direction: column;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  overflow: hidden;
}

/* Inside a card, a list is the card's own rows under a divider, not a second panel. */
.card > .item-list {
  margin-block-start: var(--space-4);
  border: 0;
  border-block-start: var(--border-width) solid var(--color-border);
  border-radius: 0;
  border-end-start-radius: var(--radius-lg);
  border-end-end-radius: var(--radius-lg);
  background: transparent;
  box-shadow: none;
}

.card > .item-list .item {
  padding-inline: var(--space-6);
}

/* Rows in a card stack their actions only at phone widths, as a card's rows have few actions. */
.card > .item-list {
  container: card-items / inline-size;
}

@container card-items (max-width: 520px) {
  .card > .item-list .item {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-4);
  }

  .card > .item-list .item__actions {
    justify-content: flex-start;
    margin-inline-start: calc(var(--space-3) * -1);
  }
}

.item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3) var(--space-6);
  padding: var(--space-4) var(--space-5);
}

.item + .item {
  border-block-start: var(--border-width) solid var(--color-border);
}

.item--new {
  background: var(--color-surface-selected);
  animation: arrive var(--duration-slow) var(--ease-out);
}

.item__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-inline-size: 0;
}

.item__title {
  color: var(--color-text);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  overflow-wrap: anywhere;
}

.item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-3);
  color: var(--color-text-subtle);
  font-size: var(--text-sm);
}

.item__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* Rows stack their buttons under the details when the list itself is narrow, whatever the screen. */
@container items (max-width: 760px) {
  .item {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-4);
  }

  .item__actions {
    justify-content: flex-start;
    margin-inline-start: calc(var(--space-3) * -1);
  }
}

.item__confirm {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-danger-soft);
  color: var(--color-danger);
  font-size: var(--text-sm);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-12) var(--space-6);
  border: var(--border-width) dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  text-align: center;
}

.empty-state__icon {
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: var(--color-accent-text);
}

.empty-state__title {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
}

.empty-state__text {
  max-inline-size: 28rem;
  color: var(--color-text-muted);
}

/* App shell: a sidebar of sections, and the page beside it */

.shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-block-size: 100vh;
  min-block-size: 100dvh;
}

/* The star blue stripe down the far edge. */
.shell::before {
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  z-index: var(--z-nav);
  inline-size: var(--stripe-width);
  background: linear-gradient(var(--color-highlight), var(--color-highlight-tint));
  content: "";
}

.shell__sidebar {
  position: sticky;
  inset-block-start: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  block-size: 100vh;
  block-size: 100dvh;
  padding: var(--space-4) var(--space-3);
  border-inline-end: var(--border-width) solid var(--color-border);
  background: var(--color-surface);
  overflow-y: auto;
}

.shell__brand {
  padding: var(--space-1) var(--space-2);
}

.shell__workspace {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  inline-size: 100%;
  padding: var(--space-2);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  color: inherit;
  font: inherit;
  text-align: start;
  cursor: pointer;
}

.shell__workspace:hover,
.shell__workspace[aria-expanded="true"] {
  background: var(--color-surface-hover);
}

.shell__workspace-mark {
  display: grid;
  flex: none;
  place-items: center;
  inline-size: 1.75rem;
  block-size: 1.75rem;
  border-radius: var(--radius-md);
  background: var(--color-info-soft);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

/* Placed by code on its own layer, under or over its button (ui/Menu.tsx), so no scrolling box clips it. */
.menu {
  position: fixed;
  z-index: var(--z-overlay);
  min-inline-size: 12rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-1);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-lg);
}

.menu__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: var(--control-height-sm);
  padding: var(--space-1) var(--space-2);
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text);
  font: inherit;
  font-size: var(--text-sm);
  text-align: start;
  text-decoration: none;
  cursor: pointer;
}

.menu__item:hover,
.menu__item:focus-visible {
  background: var(--color-surface-hover);
}

.menu__item[aria-current="true"] {
  font-weight: var(--weight-semibold);
}

.menu__divider {
  block-size: var(--border-width);
  margin-block: var(--space-1);
  background: var(--color-border);
}

.shell__workspace-name {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

.shell__workspace-plan {
  display: block;
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
}

.shell__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.shell__nav-heading {
  padding: var(--space-3) var(--space-3) var(--space-1);
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-block-size: var(--control-height);
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.nav-item .icon {
  color: var(--color-text-subtle);
}

.nav-item:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.nav-item[aria-current="page"] {
  background: var(--color-highlight-soft);
  color: var(--color-text);
  font-weight: var(--weight-semibold);
}

.nav-item[aria-current="page"] .icon {
  color: var(--color-highlight);
}

.nav-item__count {
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
}

.nav-item__live {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-success);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.nav-item__live .status-dot {
  box-shadow: none;
}

/* The foot of the sidebar: this month's hours, then the account. */
.shell__foot {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block-start: auto;
}

.shell__help {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
}

.shell__help:hover {
  color: var(--color-text);
}

.shell__usage {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
}

.shell__usage:hover {
  border-color: var(--color-border-strong);
}

.shell__usage[aria-current="page"] {
  border-color: transparent;
  background: var(--color-highlight-soft);
}

.shell__usage-text strong {
  color: var(--color-text);
  font-weight: var(--weight-semibold);
}


.shell__account {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  inline-size: 100%;
  padding: var(--space-2);
  border: 0;
  border-radius: var(--radius-md);
  background: none;
  color: inherit;
  font: inherit;
  text-align: start;
  cursor: pointer;
}

.shell__account:hover,
.shell__account[aria-expanded="true"] {
  background: var(--color-surface-hover);
}

.shell__account-name {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.shell__account-email {
  display: block;
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
}

/* The bar above each page: the page's tabs, then search and its main action. */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-block-end: var(--space-6);
}

.topbar__start {
  display: flex;
  align-items: center;
  min-inline-size: 0;
}

.topbar__end {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: auto;
}

.search-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  inline-size: 13.75rem;
  min-block-size: var(--control-height);
  padding: 0 var(--space-2) 0 var(--space-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text-subtle);
  font: inherit;
  font-size: var(--text-sm);
  text-align: start;
  cursor: pointer;
}

.search-button:hover {
  border-color: var(--color-border-strong);
}

.kbd {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-1);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  line-height: var(--leading-normal);
}

/* The command palette, near the top of the screen like a search box, with no animation. */
.palette {
  inline-size: min(100% - 2rem, var(--palette-width));
  max-block-size: min(70vh, 32rem);
  margin-block-start: 12vh;
  padding: 0;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
  overflow: hidden;
}

.palette[open] {
  display: flex;
  flex-direction: column;
}

.palette::backdrop {
  background: var(--color-backdrop);
}

.palette__search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-block-end: var(--border-width) solid var(--color-border);
  color: var(--color-text-subtle);
}

.palette__input {
  flex: 1;
  min-inline-size: 0;
  border: 0;
  background: none;
  color: var(--color-text);
  font: inherit;
  font-size: var(--text-md);
  outline: none;
}

.palette__list {
  padding: var(--space-2);
  overflow-y: auto;
}

.palette__group {
  padding: var(--space-2) var(--space-2) var(--space-1);
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.palette__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-block-size: var(--control-height);
  padding: 0 var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  cursor: pointer;
}

.palette__item .icon {
  color: var(--color-text-subtle);
}

.palette__item--active {
  background: var(--color-highlight-soft);
}

.palette__item--active .icon {
  color: var(--color-highlight);
}

.palette__hint {
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.palette__empty {
  padding: var(--space-6) var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
}

.shortcuts {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
}

.shortcuts__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
}

.shortcuts__keys {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
}

.shortcuts__key {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.shell__topbar {
  display: none;
}

.shell__main {
  container: content / inline-size;
  min-inline-size: 0;
}

.shell__content {
  inline-size: 100%;
  max-inline-size: var(--content-max);
  margin: 0 auto;
  padding: var(--space-8) var(--space-8) var(--space-16);
}

.shell__scrim {
  display: none;
}

@media (max-width: 860px) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .shell::before,
  .topbar .search-button {
    display: none;
  }

  .shell__topbar {
    position: sticky;
    inset-block-start: 0;
    z-index: var(--z-sticky);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    block-size: var(--topbar-height);
    padding: 0 var(--space-3);
    border-block-end: var(--border-width) solid var(--color-border);
    background: var(--color-surface);
  }

  .shell__sidebar {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    z-index: var(--z-nav);
    inline-size: min(85vw, var(--sidebar-width));
    transform: translateX(-100%);
    /* Closed, it's hidden from the keyboard and screen readers too, once it has slid away; opening, it's visible at
       once (the open rule has no visibility transition), so the focus can move into it. */
    visibility: hidden;
    transition: transform var(--duration-base) var(--ease-out), visibility var(--duration-base);
  }

  .shell__sidebar:dir(rtl) {
    transform: translateX(100%);
  }

  .shell--nav-open .shell__sidebar {
    box-shadow: var(--shadow-lg);
    transform: none;
    visibility: visible;
    transition: transform var(--duration-base) var(--ease-out);
  }

  .shell--nav-open .shell__scrim {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-nav) - 1);
    display: block;
    background: var(--color-backdrop);
  }

  .shell__content {
    padding: var(--space-6) var(--space-4) var(--space-12);
  }
}

/* Page heading */

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-block-end: var(--space-6);
}

.page-header__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-inline-size: 0;
}

.page-header__description {
  max-inline-size: 40rem;
  color: var(--color-text-muted);
}

.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-note {
  margin-block-start: var(--space-4);
  color: var(--color-text-subtle);
  font-size: var(--text-sm);
}

/* Settings: a section per topic */

.settings {
  container: settings / inline-size;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-inline-size: 48rem;
}

/* Settings' sections (spec 0021 B13): a column beside them from 1024px that stays in view, and a list to jump with on
   a phone. A section scrolled to stops a little below the top. */
.settings-layout {
  display: grid;
  gap: var(--space-6);
}

.settings-nav {
  display: none;
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding-block-end: var(--space-6);
  border-block-end: var(--border-width) solid var(--color-border);
  scroll-margin-block-start: calc(var(--topbar-height) + var(--space-4));
}

.settings-group:last-child {
  border-block-end: 0;
}

.settings-group .settings-section {
  padding-block-end: 0;
  border-block-end: 0;
}

.settings-nav__heading {
  margin: 0;
  padding-inline: var(--space-3);
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

/* By the width the page has, not the window's: the column only once the sections still have room for their fields. */
@container content (min-width: 60rem) {
  .settings-layout {
    grid-template-columns: 13rem minmax(0, 1fr);
    gap: var(--space-10);
  }

  .settings-nav {
    position: sticky;
    inset-block-start: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    align-self: start;
  }

  .settings-jump {
    display: none;
  }
}

.settings-section {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: var(--space-4) var(--space-8);
  padding-block-end: var(--space-6);
  border-block-end: var(--border-width) solid var(--color-border);
}

.settings-section:last-child {
  border-block-end: 0;
}

.settings-section__intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* A section's words above its fields once the sections' own column is too narrow for both side by side. */
@container settings (max-width: 40rem) {
  .settings-section {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Sign-in and other pages before the app: a centred card */

.auth {
  display: flex;
  flex-direction: column;
  min-block-size: 100vh;
  min-block-size: 100dvh;
  background: var(--color-bg);
}

.auth__panel {
  display: flex;
  flex: 1;
  flex-direction: column;
}

/* The board in a world: a strip above the form on a phone, a column of its own from 1024px. */
.auth__showcase {
  position: relative;
  order: -1;
  block-size: 7.5rem;
  margin: 0;
  background: var(--ink-900);
  overflow: hidden;
}

.auth__tagline {
  display: none;
}

/* Cropped a little above centre, so a phone's strip keeps the tops of the pieces. */
.auth__world {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  object-position: 50% 30%;
}

@media (min-width: 1024px) {
  .auth--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .auth__showcase {
    position: sticky;
    inset-block-start: 0;
    order: 0;
    block-size: 100vh;
    block-size: 100dvh;
  }

  .auth__tagline {
    display: block;
    position: absolute;
    inset-inline: 0;
    inset-block-end: 0;
    padding: var(--space-16) var(--space-10) var(--space-10);
    background: linear-gradient(to top, color-mix(in srgb, var(--ink-900) 85%, transparent), transparent);
    color: var(--gray-0);
    font-size: var(--text-lg);
    font-weight: var(--weight-medium);
    line-height: var(--leading-snug);
  }
}

/* The guests' join page: often older people, often on phones, so everything a step larger (spec 0021 B4). */
.auth__card--guest,
.auth__card--guest .field__label,
.auth__card--guest .field__hint,
.auth__card--guest .field__error,
.auth__card--guest .input,
.auth__card--guest .checkbox {
  font-size: var(--text-lg);
}

/* The room code as six boxes, one character each, in reading order whatever the page's direction. They're .input--code
   too; one character needs no spacing after it. */
.code-boxes__row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-2);
  direction: ltr;
}

.auth__card--guest .code-boxes__box {
  min-block-size: var(--control-height-lg);
  padding: 0;
  font-size: var(--text-xl);
  letter-spacing: normal;
}

.auth__divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
}

.auth__divider::before,
.auth__divider::after {
  content: "";
  flex: 1;
  border-block-start: var(--border-width) solid var(--color-border);
}

/* A password and its Show button, inside the one box. */
.password-field {
  position: relative;
}

.password-field__input {
  padding-inline-end: var(--space-16);
}

.password-field__toggle {
  position: absolute;
  inset-block: var(--space-1);
  inset-inline-end: var(--space-1);
  padding: 0 var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text-muted);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
}

.password-field__toggle:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.password-field__toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.field__warning {
  color: var(--status-warning-text);
  font-size: var(--text-sm);
}

/* A rule a value must meet, ticked as it's typed, such as a password's length. */
.field__rule {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  color: var(--color-text-subtle);
  font-size: var(--text-sm);
}

.field__rule .icon {
  opacity: 0.35;
}

.field__rule--met {
  color: var(--status-success-text);
}

.field__rule--met .icon {
  opacity: 1;
}

.auth__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
}

.auth__main {
  display: grid;
  flex: 1;
  place-items: center;
  padding: var(--space-6) var(--space-4) var(--space-16);
}

/* On a phone the card starts right under the logo, not centred down the screen. */
@media (max-width: 640px) {
  .auth__main {
    place-items: start center;
    padding-block-start: var(--space-2);
  }
}

.auth__card {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  inline-size: 100%;
  max-inline-size: var(--auth-card-width);
  padding: var(--space-8);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
}

/* An auth page's card with tiles to choose from, such as first-run setup's ways of working and worlds. */
.auth__card--wide {
  max-inline-size: var(--auth-card-width-wide);
}

.auth__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.auth__intro {
  color: var(--color-text-muted);
}

.auth__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.auth__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-5);
  padding: var(--space-4) var(--space-6);
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  text-align: center;
}

@media (max-width: 480px) {
  .auth__card {
    padding: var(--space-6) var(--space-5);
    border-radius: var(--radius-lg);
  }
}

/* Dialogs */

.dialog {
  inline-size: min(100% - 2rem, 30rem);
  padding: 0;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
}

.dialog::backdrop {
  background: var(--color-backdrop);
}

/* The header and footer stay in view; only the body scrolls. */
.dialog[open] {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: arrive var(--duration-base) var(--ease-out);
}

.dialog > form {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-block-size: 0;
}

.dialog__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-6) 0;
}

.dialog__heading {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.dialog__close {
  display: none;
}

@media (max-width: 760px) {
  .dialog__close {
    display: inline-flex;
  }
}

.dialog__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
}

.dialog__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-4);
  min-block-size: 0;
  padding: var(--space-5) var(--space-6);
  overflow-y: auto;
}

.dialog__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-block-start: var(--border-width) solid var(--color-border);
  background: var(--color-surface-sunken);
}

/* Loading */

.loading {
  display: grid;
  place-items: center;
  min-block-size: 50vh;
  color: var(--color-text-subtle);
}

.skeleton {
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--color-surface-sunken), var(--color-surface-hover), var(--color-surface-sunken));
  background-size: 200% 100%;
  animation: shimmer var(--duration-shimmer) ease-in-out infinite;
}

.skeleton--row {
  block-size: 4.5rem;
}

@keyframes shimmer {
  to { background-position: -200% 0; }
}

/* Reading pages, such as the guide */

.doc {
  min-block-size: 100vh;
  background: var(--color-surface);
}

.doc__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-block-end: var(--border-width) solid var(--color-border);
}

.doc__main {
  margin: 0 auto;
  padding: var(--space-10) var(--space-5) var(--space-16);
}

/* Section headings inside a page */

.section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  margin-block-end: var(--space-3);
}

.section-heading__title {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
}

/* Figures at a glance */

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

/* Four across when there's room, otherwise two by two, never three and one. */
@container content (max-width: 760px) {
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.stat__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.stat__value {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  font-variant-numeric: tabular-nums;
}

.stat__note {
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
}

/* How much of a limit is used */

.meter {
  display: block;
  inline-size: 100%;
  block-size: 0.5rem;
  border: 0;
  border-radius: var(--radius-full);
  background: var(--color-surface-sunken);
  appearance: none;
  overflow: hidden;
}

.meter::-webkit-progress-bar {
  border-radius: var(--radius-full);
  background: var(--color-surface-sunken);
}

/* Every meter is the one look: the highlight, turning warning near a limit and danger at it. */
.meter::-webkit-progress-value {
  border-radius: var(--radius-full);
  background: var(--color-highlight);
}

.meter::-moz-progress-bar {
  border-radius: var(--radius-full);
  background: var(--color-highlight);
}

.meter.meter--warning::-webkit-progress-value { background: var(--color-warning); }
.meter.meter--warning::-moz-progress-bar { background: var(--color-warning); }
.meter.meter--full::-webkit-progress-value { background: var(--color-danger); }
.meter.meter--full::-moz-progress-bar { background: var(--color-danger); }

.usage {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* On its own on a page, rather than in a column of them. */
.usage--narrow {
  max-inline-size: 26rem;
}

.usage__line {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.usage__value {
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

/* Two columns on wide screens, one on narrow */

.columns {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

@media (max-width: 960px) {
  .columns {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Tabs and filter chips */

.tabs {
  display: flex;
  gap: var(--space-1);
  margin-block-end: var(--space-5);
  border-block-end: var(--border-width) solid var(--color-border);
  overflow-x: auto;
}

.tab {
  margin-block-end: calc(var(--border-width) * -1);
  padding: var(--space-2) var(--space-3);
  border: 0;
  border-block-end: 2px solid transparent;
  background: none;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  cursor: pointer;
}

.tab:hover {
  color: var(--color-text);
}

.tab[aria-selected="true"] {
  border-block-end-color: var(--color-accent);
  color: var(--color-accent-text);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  min-block-size: var(--control-height-sm);
  padding: 0 var(--space-3);
  border: var(--border-width) solid var(--color-border-strong);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
}

.chip:hover {
  color: var(--color-text);
}

/* A word shown as a tag, not a control. */
.chip--tag {
  display: inline-flex;
  align-items: center;
  min-block-size: 1.5rem;
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
  cursor: default;
}

.chip--tag:hover {
  color: var(--color-text-muted);
}

.chip[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent-text);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-block-end: var(--space-5);
}

.toolbar__search {
  flex: 1 1 16rem;
  max-inline-size: 22rem;
}

.toolbar__end {
  margin-inline-start: auto;
}

/* Cards in a grid: rooms, templates, worlds */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: var(--space-4);
}

/* Under a long list shown a page at a time. */
.list-more {
  display: flex;
  justify-content: center;
  margin-block-start: var(--space-5);
}

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.tile:hover {
  border-color: var(--color-border-strong);
}

.tile--new {
  border-inline-start: var(--highlight-edge) solid var(--color-highlight);
  animation: arrive var(--duration-slow) var(--ease-out);
}

.tile--selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.tile--locked .tile__media {
  opacity: 0.55;
}

.tile__media {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  border-block-end: var(--border-width) solid var(--color-border);
  background: var(--color-surface-sunken);
  overflow: hidden;
}

.tile__image {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.tile__badges {
  position: absolute;
  inset-block-start: var(--space-2);
  inset-inline-start: var(--space-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.tile__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
}

.tile__title {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  overflow-wrap: anywhere;
}

.tile__text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.tile__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-3);
  color: var(--color-text-subtle);
  font-size: var(--text-sm);
}

.tile__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-block-start: var(--border-width) solid var(--color-border);
}

.tile__footer-end {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-1);
  margin-inline-start: auto;
}

/* A room's board on its card covers the picture area, under the card's badges. */
.board-picture.board-picture--tile {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  aspect-ratio: auto;
}

/* Smaller cards, four across on a wide screen, and larger ones, two across. */
.card-grid--dense {
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
}

.card-grid--wide {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 28rem), 1fr));
}

/* A card that opens its item: the title is the button, stretched over the whole card under its other controls. */
/* Its size and weight are its title class's. */
.tile__open {
  padding: 0;
  border: none;
  background: none;
  color: inherit;
  font-family: inherit;
  line-height: inherit;
  text-align: start;
  cursor: pointer;
}

/* On a touch screen, where nothing shows on hover, a card says it opens. */
.tile__touch-hint {
  display: none;
}

@media (hover: none) {
  .tile__touch-hint {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
  }
}

.tile__open::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.tile__open:focus-visible {
  outline: none;
}

.tile:has(.tile__open:focus-visible) {
  border-color: var(--color-focus);
  box-shadow: var(--focus-ring);
}

/* Over the card's stretched button, so a card's own controls stay clickable. */
.tile__above {
  position: relative;
  z-index: 1;
}

/* A card's main action, over the corner of its picture. */
.tile__media-action {
  position: absolute;
  inset-block-end: var(--space-2);
  inset-inline-end: var(--space-2);
  z-index: 1;
}

/* An action shown on hover and focus only, so a page of cards isn't a wall of buttons. Always shown on touch screens. */
.tile__hover-action {
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.tile:hover .tile__hover-action,
.tile:focus-within .tile__hover-action {
  opacity: 1;
}

@media (hover: none) {
  .tile__hover-action {
    opacity: 1;
  }
}

/* A lock over a format's picture when the plan doesn't include it. */
.tile__lock {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--card);
  background: color-mix(in srgb, var(--ink-900) 35%, transparent);
}

/* A short list of what something gives, each line with a tick. */
.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-block-end: var(--space-4);
}

.check-list__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.check-list__item .icon {
  color: var(--color-success);
}

/* Two columns, one on a phone: a narrow list and the chosen item in full (Ways of working), or a wide form and its
   preview (New room). A sticky column stays in view while the other scrolls, on a computer only. */
.split {
  display: grid;
  grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
  align-items: start;
  gap: var(--space-6);
}

.split--wide-start {
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
}

.split--middle {
  align-items: center;
}

.split__sticky {
  position: sticky;
  inset-block-start: 0;
}

.split__detail {
  padding: var(--space-6);
}

@media (max-width: 760px) {
  .split {
    grid-template-columns: minmax(0, 1fr);
  }

  .split__sticky {
    position: static;
  }
}

/* The list of a list and detail page: menu items, a little larger, the chosen one marked. */
.side-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.side-list__item {
  inline-size: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
}

.side-list__item[aria-current="true"] {
  background: var(--color-highlight-soft);
}

.side-list__item[aria-current="true"] .icon {
  color: var(--color-highlight);
}

/* Three stills of a kind side by side in a card, overlapping a little: each is a square, mostly clear around the figure. */
.still-row {
  position: absolute;
  inset: 8% 0 4%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.figure-picture {
  block-size: 100%;
  inline-size: auto;
}

/* A rendered figure standing on a soft shadow, drawn by the page so every still sits on the same ground. */
.figure-still {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  flex: 0 0 auto;
  block-size: 100%;
  min-inline-size: 0;
  aspect-ratio: 1;
  margin-inline: -9%;
}

/* The middle still in front, its neighbours a little smaller behind it, so each figure reads on its own (wings too). */
.figure-still:nth-child(2) {
  z-index: 1;
}

.figure-still:not(:nth-child(2)) {
  transform: scale(0.86);
  transform-origin: bottom;
  opacity: 0.92;
}

.figure-still::before {
  content: "";
  position: absolute;
  inset-block-end: 6%;
  inset-inline: 22%;
  block-size: 9%;
  border-radius: var(--radius-full);
  background: radial-gradient(closest-side, color-mix(in srgb, var(--ink-900) 30%, transparent), transparent);
}

.figure-still__image {
  position: relative;
  inline-size: 100%;
  block-size: 100%;
  min-inline-size: 0;
}

/* A still cropped to its piece and drawn to fill its place (FigureStill's frame), as on the room's shelf. */
.figure-still.figure-still--framed {
  overflow: hidden;
  inline-size: 100%;
  aspect-ratio: auto;
  margin-inline: 0;
  opacity: 1;
  transform: none;
}

.figure-still--framed .figure-still__image {
  position: absolute;
  inline-size: auto;
  block-size: auto;
  max-inline-size: none;
}

/* A figure's colour beside its kind, in a list. */
.figure-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.figure-list__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.figure-list__swatch {
  inline-size: var(--space-3);
  block-size: var(--space-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-full);
}

.drawer {
  position: fixed;
  inset-block: 0;
  inset-inline: auto 0;
  display: none;
  flex-direction: column;
  inline-size: min(100%, 32rem);
  block-size: 100%;
  max-block-size: none;
  margin: 0;
  padding: 0;
  border: none;
  border-inline-start: var(--border-width) solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
}

.drawer[open] {
  display: flex;
  animation: drawer-in var(--duration-base) var(--ease-out);
}

.drawer::backdrop {
  background: var(--color-backdrop);
}

/* From its own edge, in either direction of writing. */
@keyframes drawer-in {
  from {
    margin-inline-end: calc(-1 * var(--space-6));
    opacity: 0;
  }
}

.drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-block-end: var(--border-width) solid var(--color-border);
}

.drawer__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
}

.drawer__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  overflow-y: auto;
}

.drawer__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-block-start: var(--border-width) solid var(--color-border);
  background: var(--color-surface-sunken);
}

/* A world shown whole, for its preview. */
.world-preview {
  display: block;
  inline-size: 100%;
  border-radius: var(--radius-lg);
}

/* A board seen from above */

.board-preview {
  inline-size: 72%;
  block-size: auto;
  max-block-size: 92%;
}

.board-preview--small {
  inline-size: 3.5rem;
  block-size: 3.5rem;
}

.board-preview__platform {
  fill: var(--color-surface);
  stroke: var(--color-border-strong);
  stroke-width: 0.12;
}

.board-preview__ring {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 0.06;
}

.board-preview__figure {
  stroke: var(--color-surface);
  stroke-width: 0.12;
}

.board-preview__facing {
  stroke: var(--color-text-subtle);
  stroke-width: 0.14;
  stroke-linecap: round;
}

/* Lists of things to do */

/* Plans side by side */

.table-wrap {
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  overflow-x: auto;
}

.table {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.table th, .table td {
  padding: var(--space-3) var(--space-4);
  border-block-end: var(--border-width) solid var(--color-border);
  text-align: start;
  white-space: nowrap;
}

.table tr:last-child th, .table tr:last-child td {
  border-block-end: 0;
}

.table thead th {
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.table tbody th {
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
}

.table__current {
  background: var(--color-accent-soft);
}

/* A comparison wider than a phone scrolls sideways under its row names, which stay put, with a hint above it. */
.table--compare tbody th {
  position: sticky;
  inset-inline-start: 0;
  z-index: 1;
  background: var(--color-surface);
  box-shadow: 1px 0 0 var(--color-border);
}

.table--compare thead th:first-child {
  position: sticky;
  inset-inline-start: 0;
  z-index: 2;
}

.table-hint {
  display: none;
  margin-block: 0 var(--space-2);
  font-size: var(--text-sm);
}

@media (max-width: 40rem) {
  .table-hint {
    display: block;
  }

  /* Row names wrap, so two plans fit beside them. */
  .table--compare tbody th {
    min-inline-size: 7rem;
    max-inline-size: 8.5rem;
    white-space: normal;
  }
}

/* Choosing one picture among several, such as a world */

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
  gap: var(--space-2);
}

/* Worlds large enough to see, in New room. */
/* Worlds to pick from, where the picture is the choice: larger tiles in their 16:9. */
.choice-grid--worlds {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 11rem), 1fr));
}

.choice-grid--worlds .choice__image {
  aspect-ratio: 16 / 9;
}

.choice-grid--wide {
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
}

.choice {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
  cursor: pointer;
}

.choice:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-choice-selected);
}

.choice:has(input:focus-visible) {
  box-shadow: var(--focus-ring);
}

.choice:has(input:disabled) {
  opacity: 0.5;
  cursor: not-allowed;
}

.choice input {
  position: absolute;
  opacity: 0;
}

.choice__image {
  inline-size: 100%;
  aspect-ratio: 4 / 1;
  object-fit: cover;
}

.choice__label {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

/* Short confirmations in a corner */

.toasts {
  position: fixed;
  inset-block-end: var(--space-5);
  inset-inline-end: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-text);
  box-shadow: var(--shadow-lg);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  animation: arrive var(--duration-base) var(--ease-out);
  pointer-events: auto;
}

@media (max-width: 640px) {
  .toasts {
    inset-inline: var(--space-4);
  }
}

.greeting {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
}

fieldset {
  min-inline-size: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
  margin-block-end: var(--space-2);
}

.tile__footer > .item__confirm {
  flex: 1 1 100%;
}

/* The style guide (spec 0021 A4): its layout and the token specimens. */

.styleguide {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  max-inline-size: var(--content-max);
  margin-inline: auto;
  padding: var(--space-8) var(--space-6) var(--space-16);
}

.styleguide__part {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.styleguide__state {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
}

.styleguide__label {
  inline-size: var(--space-16);
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
}

.styleguide__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.styleguide__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
  gap: var(--space-4);
}

.styleguide__board {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}

/* At the size a room's tile shows it. */
.styleguide__board > .board-preview:not(.board-preview--small) {
  inline-size: 13rem;
}

.specimens {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr));
  gap: var(--space-3) var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.specimens--icons {
  grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr));
}

.specimen {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-inline-size: 0;
}

.specimen__name,
.specimen__value {
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.specimen__value {
  color: var(--color-text-subtle);
}

.specimen__swatch {
  display: block;
  block-size: var(--space-10);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
}

.specimen__swatch--plain {
  border-color: transparent;
  background: var(--color-surface);
}

.specimen__swatch--outline {
  inline-size: var(--space-12);
  background: var(--color-highlight-soft);
  border-color: var(--color-highlight);
}

.specimen__bar {
  display: block;
  block-size: var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-info);
}

.specimen__text {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Home (spec 0021 B1): headline numbers, pills, tags, the live card, the rooms table, follow-ups and the week chart. */

.home-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  align-items: start;
  gap: var(--space-5);
}

/* A wide table scrolls inside its card rather than widening the page. */
.home-columns > * {
  min-inline-size: 0;
}

@media (max-width: 1100px) {
  .home-columns {
    grid-template-columns: minmax(0, 1fr);
  }
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
}

.kpi-strip__cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
}

.kpi-strip__cell + .kpi-strip__cell {
  border-inline-start: var(--border-width) solid var(--color-border);
}

.kpi-strip__label {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* The number and its change each on one line, side by side while they fit, the change under the number when not. */
.kpi-strip__value {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0;
  color: var(--color-text);
  font-size: var(--text-kpi);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
}

.kpi-strip__value > * {
  white-space: nowrap;
}

/* A headline value that's a state in words, not a number: a step smaller, and free to wrap. */
.value-word {
  font-size: var(--text-lg);
  white-space: normal;
}

.kpi-strip__suffix {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-regular);
}

@media (max-width: 860px) {
  .kpi-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi-strip__cell:nth-child(3) {
    border-inline-start: 0;
  }

  .kpi-strip__cell:nth-child(n + 3) {
    border-block-start: var(--border-width) solid var(--color-border);
  }
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-0-5) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
  font-size: var(--text-2xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  white-space: nowrap;
}

.status-pill__dot {
  inline-size: 0.375rem;
  block-size: 0.375rem;
  border-radius: var(--radius-full);
  background: currentColor;
}

.status-pill--live {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.status-pill--live .status-pill__dot {
  background: var(--color-success-mark);
}

.status-pill--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.status-pill--danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-0-5) var(--space-2);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

.way-dot {
  display: inline-flex;
}

.way-dots {
  gap: var(--space-0-5);
}

.tag__dot {
  inline-size: 0.375rem;
  block-size: 0.375rem;
  border-radius: var(--radius-full);
  background: var(--way-free);
}

.tag--coaching .tag__dot { background: var(--way-coaching); }
.tag--organisation .tag__dot { background: var(--way-organisations); }
.tag--parts .tag__dot { background: var(--way-parts); }
.tag--family .tag__dot { background: var(--way-family); }
.tag--group .tag__dot { background: var(--way-groups); }
.tag--free .tag__dot { background: var(--way-free); }

.segmented {
  display: inline-flex;
  max-inline-size: 100%;
  overflow-x: auto;
  gap: var(--space-1);
  padding: var(--space-1);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.segmented__item {
  display: inline-flex;
  flex: none;
  white-space: nowrap;
  align-items: center;
  gap: var(--space-2);
  min-block-size: var(--control-height-sm);
  padding: 0 var(--space-3);
  border: 0;
  border-radius: var(--radius-md);
  background: none;
  color: var(--color-text-muted);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
}

.segmented__item:hover {
  color: var(--color-text);
}

.segmented__item[aria-selected="true"],
.segmented__item[aria-checked="true"] {
  background: var(--color-surface-sunken);
  color: var(--color-text);
  font-weight: var(--weight-semibold);
}

.segmented__count {
  color: var(--color-highlight-text);
  font-weight: var(--weight-semibold);
}

.follow-up {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}

.follow-up__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
}

.follow-up__item + .follow-up__item {
  border-block-start: var(--border-width) solid var(--color-border);
}

.follow-up__icon {
  display: grid;
  flex: none;
  place-items: center;
  inline-size: var(--space-8);
  block-size: var(--space-8);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.follow-up__icon--urgent {
  border-color: transparent;
  background: var(--color-highlight-soft);
  color: var(--color-highlight);
}

.follow-up__text {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-inline-size: 0;
}

.follow-up__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.follow-up__line {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* Positioned, so screen-reader-only text inside stays inside and doesn't widen the page. */
.data-table__scroll {
  position: relative;
  overflow-x: auto;
}

.data-table {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table th {
  padding: var(--space-2) var(--space-4);
  border-block: var(--border-width) solid var(--color-border);
  background: var(--color-surface-header);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-align: start;
}

/* Numbers line up on their last digit, their heading with them. */
.data-table .num {
  text-align: end;
}

/* A choice inside a row, such as a member's role, wide enough to read. */
.data-table .select {
  min-inline-size: 9rem;
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-block-end: var(--border-width) solid var(--color-border);
  vertical-align: middle;
}

.data-table tbody tr:last-child td {
  border-block-end: 0;
}

.data-table--compact th,
.data-table--compact td {
  padding: var(--space-1) var(--space-2);
}

.data-table__room {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.data-table__thumb {
  flex: none;
  inline-size: var(--space-10);
  block-size: var(--space-10);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  object-fit: cover;
}

.data-table__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-1);
}

.data-table__name {
  display: block;
  font-weight: var(--weight-semibold);
}

.data-table__sub {
  display: block;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* A table whose cells keep to one line, scrolling sideways when it must; long text ends with an ellipsis. */
.data-table--nowrap th,
.data-table--nowrap td {
  white-space: nowrap;
}

.data-table--nowrap .data-table__name,
.data-table--nowrap .data-table__sub {
  max-inline-size: 16rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.live-card {
  overflow: hidden;
}

.live-card__board {
  position: relative;
  margin: var(--space-4) var(--space-4) 0;
  border-radius: var(--radius-lg);
  background: var(--ink-900);
  overflow: hidden;
}

.board-picture {
  display: block;
  inline-size: 100%;
  block-size: auto;
  aspect-ratio: 5 / 2;
}

/* The board: a dark, half-clear platform with a fine rim and a fainter inner ring, at real pixel widths. */
.board-picture__platform {
  fill: color-mix(in srgb, var(--ink-900) 55%, transparent);
  stroke: color-mix(in srgb, var(--card) 55%, transparent);
  stroke-width: var(--board-rim);
  vector-effect: non-scaling-stroke;
}

.board-picture__ring {
  fill: none;
  stroke: color-mix(in srgb, var(--card) 18%, transparent);
  stroke-width: var(--border-width);
  vector-effect: non-scaling-stroke;
}

/* Open land: no edge, a soft fill. */
.board-picture__ground {
  fill: color-mix(in srgb, var(--ink-900) 35%, transparent);
}

.board-picture__shadow {
  fill: color-mix(in srgb, var(--ink-900) 60%, transparent);
}

.live-card__overlay {
  position: absolute;
  inset-inline: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.live-card__overlay--top {
  inset-block-start: var(--space-3);
}

.board-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.live-card__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-8);
  padding: var(--space-4) var(--space-5);
}

.live-card__strip .button {
  margin-inline-start: auto;
}

.live-card__cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.week-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.week-bars__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: var(--text-xs);
}

.week-bars__legend {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  color: var(--color-text-muted);
}

.week-bars__key {
  inline-size: 0.5rem;
  block-size: 0.5rem;
  border-radius: var(--radius-full);
}

.week-bars__key--now { background: var(--chart-now); }
.week-bars__key--before { background: var(--chart-before); }
.week-bars__key--highlight { background: var(--chart-highlight); }

.week-bars__plot {
  border-radius: var(--radius-md);
}

.week-bars__svg {
  display: block;
  inline-size: 100%;
  block-size: auto;
}

.week-bars__base {
  stroke: var(--color-border-strong);
  stroke-width: var(--border-width);
  vector-effect: non-scaling-stroke;
}

.week-bars__bar--now { fill: var(--chart-now); }
.week-bars__bar--before { fill: var(--chart-before); }
.week-bars__bar--highlight { fill: var(--chart-highlight); }

.week-bars__week--active .week-bars__bar {
  stroke: var(--color-text);
  stroke-width: var(--border-width);
  vector-effect: non-scaling-stroke;
}

/* Week labels in HTML, so they stay at their real size whatever the chart's width. */
.week-bars__axis {
  display: flex;
  color: var(--color-text-subtle);
  font-size: var(--text-2xs);
}

.week-bars__axis > span {
  flex: 1;
  min-inline-size: 0;
  white-space: nowrap;
}

.week-bars__hit {
  fill: transparent;
}

.week-bars__tip {
  min-block-size: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  visibility: hidden;
}

.week-bars__tip--shown {
  visibility: visible;
}

.skeleton--chart {
  block-size: var(--space-16);
}

/* Home's rooms table: the room takes about 40%, and short columns stay on one line. */
.data-table--stack th:first-child {
  inline-size: 40%;
}

.data-table--stack th,
.data-table--stack td:nth-child(n + 2) {
  white-space: nowrap;
}

/* On a phone, each room in two lines: the room and its actions, then one run of way of working, last use and status. */
@media (max-width: 760px) {
  .data-table.data-table--stack thead {
    display: none;
  }

  .data-table.data-table--stack,
  .data-table.data-table--stack tbody {
    display: block;
  }

  .data-table.data-table--stack tr {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1) var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-block-end: var(--border-width) solid var(--color-border);
  }

  .data-table.data-table--stack tbody tr:last-child {
    border-block-end: 0;
  }

  .data-table.data-table--stack td {
    padding: 0;
    border: 0;
    font-size: var(--text-xs);
  }

  /* The room and its actions fill the first line together; the rest wraps onto the second. */
  .data-table.data-table--stack td:nth-child(1) { flex: 1 0 calc(100% - var(--row-actions) - var(--space-2)); order: 1; min-inline-size: 0; }
  .data-table.data-table--stack td:nth-child(5) { flex: 0 0 var(--row-actions); order: 2; }
  .data-table.data-table--stack td:nth-child(2) { order: 3; }
  .data-table.data-table--stack td:nth-child(3) { order: 4; }
  .data-table.data-table--stack td:nth-child(4) { order: 5; }

  .data-table.data-table--stack td:nth-child(3)::before,
  .data-table.data-table--stack td:nth-child(4)::before {
    margin-inline-end: var(--space-2);
    color: var(--color-text-subtle);
    content: "·";
  }

  .data-table--stack .data-table__thumb {
    inline-size: var(--space-8);
    block-size: var(--space-8);
  }

  .data-table--stack .data-table__name,
  .data-table--stack .data-table__sub {
    display: inline;
  }

  .data-table--stack .data-table__sub {
    margin-inline-start: var(--space-2);
  }

  .data-table--stack .icon-button {
    inline-size: var(--control-height-sm);
    block-size: var(--control-height-sm);
  }
}

/* The Room page (spec 0021 B2): its title with a status, the session chart, the room's facts, and who hosts it. */

.page-header__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.tile__title--link {
  color: inherit;
  text-decoration: none;
}

.tile__title--link:hover {
  text-decoration: underline;
}

.data-table a.data-table__name {
  color: inherit;
  text-decoration: none;
}

.data-table a.data-table__name:hover {
  text-decoration: underline;
}

.line-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.line-chart__grid {
  stroke: var(--color-border);
  stroke-width: var(--border-width);
  stroke-dasharray: 3 3;
  vector-effect: non-scaling-stroke;
}

/* One measure is a series, so it's the "now" colour (ocean); the highlight marks only the newest point. */
.line-chart__area {
  fill: color-mix(in srgb, var(--chart-now) 14%, transparent);
}

/* A limit across the chart, such as the plan's hours: dashed, in the text's colour, as a threshold isn't a series. */
.line-chart__limit {
  stroke: var(--color-text-muted);
  stroke-width: var(--border-width);
  stroke-dasharray: 6 4;
  vector-effect: non-scaling-stroke;
}

.week-bars__key--limit {
  block-size: 0;
  border-radius: 0;
  border-block-start: calc(var(--border-width) * 2) dashed var(--color-text-muted);
}

.line-chart__line {
  fill: none;
  stroke: var(--chart-now);
  stroke-width: var(--chart-line);
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.line-chart__point {
  fill: var(--color-surface);
  stroke: var(--chart-now);
  stroke-width: var(--chart-line);
  vector-effect: non-scaling-stroke;
}

.line-chart__point--active {
  fill: var(--chart-now);
}

.line-chart__point--newest {
  fill: var(--chart-highlight);
  stroke: var(--chart-highlight);
}

.line-chart__axis {
  justify-content: space-between;
}

.line-chart__axis > span {
  flex: none;
}

.key-values {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 8rem), 1fr));
  gap: var(--space-4) var(--space-5);
  margin: 0;
}

.key-values__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.key-values__label {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.key-values__value {
  margin: 0;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.person-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  border-block-start: var(--border-width) solid var(--color-border);
  list-style: none;
}

.person-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-block-end: var(--border-width) solid var(--color-border);
}

.person-list__name {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.person-list__role {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* Home's setup strip (spec 0021, chosen by David): progress, a chip a step, and the chosen step's action. */
.setup {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
}

.setup__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
}

.setup__title {
  margin: 0;
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
}

.meter.setup__progress {
  flex: 1 1 8rem;
  max-inline-size: 16rem;
  block-size: calc(var(--space-1) * 1.5);
}

.setup__count {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.setup__dismiss {
  margin-inline-start: auto;
}

.setup__steps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.setup__step {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: var(--control-height-sm);
  padding: 0 var(--space-3);
  border: var(--border-width) solid var(--color-border-strong);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: var(--text-sm);
  cursor: pointer;
}

.setup__step[aria-pressed="true"] {
  border-color: var(--color-text);
}

.setup__step--done {
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

.setup__step--done .icon {
  color: var(--color-success-mark);
}

.setup__step--current {
  border-color: transparent;
  background: var(--color-highlight-soft);
}

.setup__dot {
  inline-size: 0.5rem;
  block-size: 0.5rem;
  border: var(--border-width) solid var(--color-border-strong);
  border-radius: var(--radius-full);
}

.setup__step--current .setup__dot {
  border-color: var(--color-highlight);
  background: var(--color-highlight);
}

.setup__action {
  padding-block-start: var(--space-1);
}

.setup__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.setup__label {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.setup__input {
  inline-size: 12rem;
  min-block-size: var(--control-height-sm);
}

@media (max-width: 760px) {
  .meter.setup__progress {
    flex-basis: 100%;
    max-inline-size: none;
    order: 3;
  }

  .setup__row {
    flex-direction: column;
    align-items: stretch;
  }

  .setup__input {
    inline-size: 100%;
  }
}

/* Room page review: the breadcrumb, a table under a card's title, an empty board, and the line chart's scale. */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-block-end: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.breadcrumb a {
  color: inherit;
}

.breadcrumb__sep {
  color: var(--color-text-subtle);
}

.card__table {
  margin-block-start: var(--space-4);
}

.live-card__empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.line-chart__plot {
  position: relative;
  padding-inline-start: var(--space-8);
}

.line-chart__tick {
  position: absolute;
  inset-inline-start: 0;
  color: var(--color-text-subtle);
  font-size: var(--text-2xs);
  line-height: 1;
  transform: translateY(-50%);
}

/* Level with the chart's top line, its half line and its baseline (8 and 152 of its 160 pixels). */
.line-chart__tick--top { top: 5%; }
.line-chart__tick--half { top: 50%; }
.line-chart__tick--zero { top: 95%; }

/* The Rooms page (spec 0021 B5): its filter bar, the new room's mark in the list, and the row menu. */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  margin-block-end: var(--space-4);
}

.filter-bar__search {
  flex: 1 1 14rem;
  min-inline-size: 0;
}

.filter-bar__end {
  margin-inline-start: auto;
}

.data-table__row--new td {
  background: var(--color-highlight-soft);
}

.menu-holder {
  position: relative;
}

.menu__item--danger {
  color: var(--color-danger-text);
}

/* New room (spec 0021 B6): a wide dialog in two columns, way-of-working tiles, the folded guests line, the preview,
   and the made room's invitation with its QR code. */
.dialog--wide {
  inline-size: min(100% - 2rem, 60rem);
}

@media (max-width: 760px) {
  .dialog--wide {
    inline-size: 100%;
    max-inline-size: 100%;
    block-size: 100%;
    max-block-size: 100%;
    border-radius: 0;
  }
}

.create__preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.create__preview .live-card__board {
  margin: 0;
}

.create__code {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
}

.copy-field {
  display: flex;
  gap: var(--space-2);
}

.copy-field__value {
  flex: 1;
  min-inline-size: 0;
}

.way-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 13rem), 1fr));
  gap: var(--space-2);
}

.way-tile {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--border-width) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  cursor: pointer;
}

/* Chosen, as every choice is: the accent's border, two hairlines wide without moving anything, over its tint. */
.way-tile:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-choice-selected);
  box-shadow: inset 0 0 0 var(--border-width) var(--color-accent);
}

.way-tile:has(input:disabled) {
  cursor: not-allowed;
  opacity: 0.6;
}

.way-tile__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-0-5);
}

.way-tile__name {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.way-tile__hint {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.guests-line {
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-control);
}

.guests-line__summary {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3);
  font-size: var(--text-sm);
  cursor: pointer;
}

.guests-line[open] > :not(summary) {
  padding: 0 var(--space-3) var(--space-3);
}

.qr-code {
  display: block;
  inline-size: 12rem;
  block-size: 12rem;
  border-radius: var(--radius-md);
}

.qr-code--loading {
  border-radius: var(--radius-md);
}

.qr-code--failed {
  display: grid;
  place-content: center;
  justify-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--border-width) dashed var(--color-border);
  text-align: center;
}

.qr-code__ground {
  fill: var(--card);
}

.qr-code__modules {
  fill: var(--ink-900);
}

/* Insights (spec 0021 B11): the charts two across from 1100px, wide ones across both; the heatmap of when sessions
   start; and bars ranked or in order, each with its number. */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.insights-grid__wide {
  grid-column: 1 / -1;
}

@media (max-width: 1100px) {
  .insights-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.heatmap {
  display: grid;
  grid-template-columns: auto repeat(24, minmax(0, 1fr));
  gap: var(--space-0-5);
  align-items: center;
  border-radius: var(--radius-md);
  font-size: var(--text-2xs);
}

.heatmap__day {
  padding-inline-end: var(--space-2);
  color: var(--color-text-subtle);
  white-space: nowrap;
}

.heatmap__hour {
  color: var(--color-text-subtle);
  white-space: nowrap;
}

.heatmap__cell {
  block-size: 1.25rem;
  border-radius: var(--radius-xs);
  background: var(--color-surface-sunken);
}

.heatmap__cell--1 { background: var(--heat-1); }
.heatmap__cell--2 { background: var(--heat-2); }
.heatmap__cell--3 { background: var(--heat-3); }
.heatmap__cell--4 { background: var(--heat-4); }
.heatmap__cell--5 { background: var(--heat-5); }
.heatmap__cell--busiest { background: var(--chart-highlight); }

.heatmap__cell--active {
  outline: calc(var(--border-width) * 2) solid var(--color-text);
  outline-offset: 1px;
}

.heatmap__scale {
  display: inline-flex;
  align-items: center;
  gap: var(--space-0-5);
}

.heatmap__scale .heatmap__cell {
  inline-size: 0.75rem;
  block-size: 0.75rem;
}

.bar-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.bar-list__item {
  display: grid;
  grid-template-columns: minmax(6rem, 11rem) minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
  font-size: var(--text-sm);
}

.bar-list__label {
  overflow: hidden;
  color: var(--color-text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-list__track {
  display: block;
  block-size: 0.625rem;
}

.bar-list__bar {
  display: block;
  inline-size: 0;
  min-inline-size: 2px;
  block-size: 100%;
  border-start-end-radius: var(--radius-xs);
  border-end-end-radius: var(--radius-xs);
  background: var(--chart-now);
}

.bar-list__item--muted .bar-list__bar {
  background: var(--color-border-strong);
}

.bar-list__item--empty .bar-list__bar {
  min-inline-size: 0;
}

.bar-list__value {
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* The room's row along the top (spec 0025 step 1), over the board: the room at the left, ending it at the right. */

.room-top {
  position: absolute;
  inset-block-start: var(--room-edge);
  inset-inline: var(--room-edge);
  z-index: var(--z-sticky);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  pointer-events: none;
}

.room-top__start,
.room-top__end-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-inline-size: 0;
  min-block-size: var(--control-height);
  padding: var(--space-1) var(--space-3) var(--space-1) var(--space-1);
  border-radius: var(--radius-full);
  color: var(--board-text);
  font-size: var(--text-sm);
  pointer-events: auto;
}

.room-top__end-group {
  flex: none;
  padding: var(--space-1);
}

.room-top__back,
.room-top__copy {
  display: grid;
  flex: none;
  place-items: center;
  inline-size: var(--control-height-sm);
  block-size: var(--control-height-sm);
  padding: 0;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-full);
  background: none;
  color: var(--board-text);
  cursor: pointer;
}

.room-top__back:hover,
.room-top__copy:hover {
  border-color: var(--board-line);
}

.room-top__back:focus-visible,
.room-top__copy:focus-visible,
.room-top__end:focus-visible,
.follow-switch:focus-visible {
  outline: var(--focus-width) solid var(--board-accent);
  outline-offset: var(--focus-offset);
}

.room-top__name {
  overflow: hidden;
  flex: 1 1 auto;
  min-inline-size: var(--space-16);
  max-inline-size: var(--room-top-name);
  margin: 0;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.room-top__name > button {
  display: block;
  overflow: hidden;
  inline-size: 100%;
  min-block-size: var(--control-height-sm);
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: start;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}

.room-top__name--full {
  max-inline-size: none;
}

.room-top__name--full > button {
  white-space: normal;
}

.room-top__live {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: var(--space-1);
  font-weight: var(--weight-medium);
}

.room-top__live::before {
  inline-size: var(--space-2);
  block-size: var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-success-mark);
  content: "";
}

/* On a phone the dot says Live, so the room's name keeps its room; screen readers still hear the word. */
@media (max-width: 560px), (max-width: 720px) and (pointer: coarse) {
  .room-top__start {
    flex: 1 1 auto;
  }

  .room-top__name {
    min-inline-size: var(--space-8);
  }

  .room-top__live-word {
    position: absolute;
    overflow: hidden;
    inline-size: 1px;
    block-size: 1px;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}

.room-top__time {
  flex: none;
  color: var(--board-text-muted);
  font-variant-numeric: tabular-nums;
}

.room-top__code {
  flex: none;
  padding-inline-start: var(--space-2);
  border-inline-start: var(--border-width) solid var(--board-line);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-code);
}

/* Ending the session is the room's most final action, so it wears the danger colour. */
.room-top__end {
  min-block-size: var(--control-height-sm);
  padding: 0 var(--space-3);
  border: var(--border-width) solid var(--board-danger);
  border-radius: var(--radius-full);
  background: none;
  color: var(--board-text);
  font: inherit;
  font-weight: var(--weight-medium);
  cursor: pointer;
}

.room-top__end:hover {
  background: var(--board-danger);
}

.room-top__end:disabled {
  opacity: 0.55;
  cursor: progress;
}

/* The host's switch sits first in the stack at the top centre, and gives way to any status line there. */
.top-stack:has(> :not(.follow-slot)) > .follow-slot {
  display: none;
}

.follow-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: var(--control-height-sm);
  padding: 0 var(--space-3);
  border-radius: var(--radius-full);
  color: var(--board-text);
  font: inherit;
  font-size: var(--text-sm);
  cursor: pointer;
}

.follow-switch[aria-pressed="true"] {
  border-color: var(--board-accent);
  background: color-mix(in srgb, var(--board-accent) 16%, transparent);
}

.card-body > .follow-switch {
  inline-size: 100%;
  margin-block-end: var(--space-2);
}

/* Who's here, at the top right: initials ringed in each person's colour, hosts crowned. */
.room-top__people {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-1);
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-full);
  background: none;
  color: var(--board-text);
  font: inherit;
  cursor: pointer;
}

.room-top__people:hover {
  border-color: var(--board-line);
}

.room-top__people:focus-visible {
  outline: var(--focus-width) solid var(--board-accent);
  outline-offset: var(--focus-offset);
}

.room-top__avatar {
  position: relative;
  display: grid;
  place-items: center;
  inline-size: var(--control-height-sm);
  block-size: var(--control-height-sm);
  margin-inline-start: calc(var(--space-2) * -1);
  border: var(--focus-width) solid var(--board-line);
  border-radius: var(--radius-full);
  background: var(--board-glass-strong);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.room-top__avatar:first-child {
  margin-inline-start: 0;
}

.room-top__crown {
  position: absolute;
  z-index: 1;
  inset-block-start: calc(var(--space-2) * -1);
  inset-inline-end: calc(var(--space-1) * -1);
  inline-size: var(--space-3);
  color: var(--board-accent);
}

.room-top__more {
  margin-inline-start: var(--space-1);
  color: var(--board-text-muted);
  font-size: var(--text-xs);
}

/* The host's bar at the bottom centre (spec 0025 step 2): Add figure filled, each panel's button with its word and what's
   set on it, then Undo, Redo and the picture as icons. */
.room-bar {
  position: absolute;
  inset-block-end: var(--space-4);
  inset-inline-start: 50%;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
  transform: translateX(-50%);
}

.bar-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-inline-size: var(--control-height);
  block-size: var(--control-height);
  padding: 0 var(--space-3);
  border: var(--border-width) solid var(--board-line);
  border-radius: var(--radius-control);
  background: none;
  color: var(--board-text);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  cursor: pointer;
}

.room-bar .bar-icon {
  inline-size: var(--control-height);
  min-height: var(--control-height);
  padding: 0;
}

.bar-button:hover {
  border-color: var(--board-text-muted);
}

.bar-button:focus-visible {
  outline: var(--focus-width) solid var(--board-accent);
  outline-offset: var(--focus-offset);
}

.bar-tab[aria-pressed="true"] {
  border-color: var(--board-accent);
  background: color-mix(in srgb, var(--board-accent) 16%, transparent);
}

/* Add figure is the one filled button; what's written on star blue is night. */
.room-bar .bar-add {
  inline-size: auto;
  padding: 0 var(--space-3);
  border-color: var(--star-500);
  background: var(--star-500);
  color: var(--night-950);
}

.room-bar .bar-add:hover {
  border-color: var(--star-300);
  background: var(--star-300);
}

/* A count sits beside its word on the bar (room.css places it on an icon's corner); that's part of the bar's width, so
   of when it turns to icons. */
.room-bar:not(.is-compact) .bar-badge {
  position: static;
}

.bar-rule {
  inline-size: var(--border-width);
  block-size: var(--space-6);
  margin-inline: var(--space-1);
  background: var(--board-line);
}

/* Where the bar with its words doesn't fit beside the panels, room-controls.js keeps the words for screen readers only
   (sr-only), so a button's name still starts with its word. */
.room-bar.is-compact .bar-button,
.room-bar.is-compact .bar-add {
  padding: 0;
}

@media (max-width: 560px), (max-width: 720px) and (pointer: coarse) {
  .room-bar {
    inset-block-end: 0;
    inset-inline: 0;
    justify-content: space-around;
    gap: 0;
    padding: var(--space-1) var(--space-2) calc(var(--space-1) + env(safe-area-inset-bottom));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: none;
  }

  .bar-rule {
    display: none;
  }

  /* Each button takes an equal share of the edge, at least a thumb's height. */
  .room-bar .bar-button {
    flex: 1 1 0;
    min-inline-size: 0;
    block-size: var(--control-height-lg);
  }
}

/* The Room panel's utility links, one under another (a stack) and alike, each as wide as its words (spec 0025 step 2b). */
.panel-links {
  align-items: flex-start;
}

/* The guide is a link and the others are buttons; the same box keeps the gaps between them equal. */
.panel-links > * {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--control-height-sm);
}

/* On the narrowest phones End session says just End, so the room's name keeps about ten characters. */
.room-top__end-short {
  display: none;
}

@media (max-width: 400px) {
  .room-top__end-short {
    display: inline;
  }

  .room-top__name {
    min-inline-size: calc(var(--space-16) + var(--space-6));
  }
}

/* The shelf of pieces (spec 0025 step 3): the sets as tabs, the pieces as they look, then the colour and an optional
   name for the next piece. */
.shelf {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--board-text);
}

.shelf__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.shelf__sets {
  display: inline-flex;
  padding: var(--space-0-5);
  border: var(--border-width) solid var(--board-line);
  border-radius: var(--radius-control);
}

.shelf__set {
  min-block-size: var(--control-height-sm);
  padding: 0 var(--space-4);
  border: 0;
  border-radius: var(--radius-md);
  background: none;
  color: var(--board-text);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
}

.shelf__set[aria-pressed="true"] {
  background: var(--star-500);
  color: var(--night-950);
}

.shelf__hint {
  flex: 1 1 auto;
  color: var(--board-text-muted);
  font-size: var(--text-sm);
}

.shelf__done {
  min-block-size: var(--control-height-sm);
  padding: 0 var(--space-4);
  border: var(--border-width) solid var(--board-line);
  border-radius: var(--radius-control);
  background: none;
  color: var(--board-text);
  font: inherit;
  font-weight: var(--weight-medium);
  cursor: pointer;
}

.shelf__body {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--space-4);
}

.shelf__pieces {
  display: flex;
  flex: 1 1 18rem;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.shelf__piece {
  display: grid;
  justify-items: center;
  gap: var(--space-1);
  inline-size: calc(var(--space-16) + var(--space-4));
  padding: var(--space-1);
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-md);
  background: none;
  color: var(--board-text);
  font: inherit;
  font-size: var(--text-xs);
  cursor: pointer;
}

.shelf__piece:hover:not([aria-disabled="true"]) {
  border-color: var(--board-line);
}

.shelf__piece[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
}

.shelf__picture {
  display: flex;
  inline-size: var(--space-16);
  block-size: var(--space-16);
}

.shelf__locked {
  color: var(--board-text-muted);
  font-size: var(--text-2xs);
}

.shelf__side {
  display: grid;
  flex: 0 1 15rem;
  gap: var(--space-2);
  padding-inline-start: var(--space-4);
  border-inline-start: var(--border-width) solid var(--board-line);
}

.shelf__label {
  color: var(--board-text-muted);
  font-size: var(--text-2xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.shelf__colours {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1-5);
}

.shelf__colour {
  inline-size: var(--space-6);
  block-size: var(--space-6);
  padding: 0;
  border: var(--focus-width) solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
}

.shelf__colour[aria-pressed="true"] {
  outline: var(--focus-width) solid var(--board-text);
  outline-offset: var(--focus-offset);
}

.shelf__name {
  display: grid;
  gap: var(--space-1);
}

/* On the board's dark glass the field is dark too. */
.shelf__name .input {
  border-color: var(--board-line);
  background: color-mix(in srgb, var(--board-glass-strong) 60%, transparent);
  color: var(--board-text);
}


.shelf__note {
  margin: 0;
  color: var(--board-text-muted);
  font-size: var(--text-sm);
}

.shelf__note:empty {
  display: none;
}

.shelf__set:focus-visible,
.shelf__done:focus-visible,
.shelf__piece:focus-visible,
.shelf__colour:focus-visible {
  outline: var(--focus-width) solid var(--board-accent);
  outline-offset: var(--focus-offset);
}

@media (max-width: 560px), (max-width: 720px) and (pointer: coarse) {
  .shelf__side {
    padding-inline-start: 0;
    border-inline-start: 0;
  }

  .shelf__piece {
    inline-size: var(--space-16);
  }

  .shelf__picture {
    inline-size: var(--space-12);
    block-size: calc(var(--space-12) + var(--space-2));
  }
}