/* ---- The organism's screens: the window's six, the switcher and the nine standard parts (LOOK-2, LOOK-12). --------
   Signal writes no word of its own here (SCREEN-6): every word drawn is a value of the args the window hands, or the
   name of one of their fields, set in the mono as a byte is. So it is worn on any road and in any language. */

/* `frame`: the root every screen stands in, its own room; the mark, the route, back, the title, what the home says. */
.signal-root {
  container: signal-site / inline-size;
  display: block;
  min-width: 0;
  background: var(--signal-surface);
  color: var(--signal-body);
  font-family: var(--signal-font);
  font-size: calc(var(--signal-size-base) * var(--access-text-size, 1));
  line-height: calc(1.6 * var(--access-leading, 1));
  -webkit-font-smoothing: antialiased;
  color-scheme: var(--signal-scheme);
}
.signal-root .signal-root {
  background: none;
}

/* `organism` and `lobe`: the describe look. A page of parts, each named by its field in the mono, a filament
   running out from the name; ruled entries, as a site's are. */
.signal-page {
  display: grid;
  gap: 2rem;
  min-width: 0;
}
.signal-page-head {
  display: grid;
  gap: 0.5rem;
}
.signal-meta {
  margin: 0;
  color: var(--signal-muted);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-tiny);
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}
.signal-part {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}
.signal-part-name {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  color: var(--signal-accent);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-tiny);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.signal-part-name::after {
  flex: 1;
  height: 2px;
  border-radius: 1px;
  background: var(--signal-filament);
  content: '';
}
.signal-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--signal-line-strong);
  list-style: none;
}
.signal-item {
  display: grid;
  gap: 0.5rem;
  min-width: 0;
  padding: 0.875rem 0.25rem;
  border-bottom: 1px solid var(--signal-line);
}
.signal-item-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.75rem;
}
.signal-link {
  padding: 0;
  border: 0;
  background: none;
  color: var(--signal-text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.signal-link:hover {
  color: var(--signal-accent);
}
.signal-item-end {
  margin-inline-start: auto;
}
.signal-about-press {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 2.25rem;
  color: var(--signal-muted);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-tiny);
  letter-spacing: 0.04em;
  list-style: none;
  cursor: pointer;
}
.signal-about-press::-webkit-details-marker,
.signal-write-press::-webkit-details-marker {
  display: none;
}
.signal-about-press::before,
.signal-write-press::after,
.signal-row::after {
  color: var(--signal-subtle);
  font-family: var(--signal-font-mono);
  content: '+';
}
.signal-about[open] > .signal-about-press::before,
.signal-write[open] > .signal-write-press::after,
.signal-row[aria-current]::after {
  color: var(--signal-accent);
  content: '\2212';
}
.signal-action-small {
  min-height: 2.25rem;
  padding: 0 0.875rem;
  font-size: var(--signal-size-small);
}
.signal-turns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.signal-copy {
  margin: 0;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--signal-line);
  border-radius: var(--signal-radius);
  background: var(--signal-sunken);
  color: var(--signal-text);
  font-family: var(--signal-font-mono);
  font-size: 0.8125rem;
  overflow-wrap: anywhere;
}
.signal-method {
  margin: 0;
  color: var(--signal-text);
  font-family: var(--signal-font-mono);
  font-size: 1rem;
  font-weight: 500;
}
.signal-write {
  border: 1px solid var(--signal-line-strong);
  border-radius: var(--signal-radius-card);
  background: var(--signal-raised);
}
.signal-write-press {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3rem;
  padding: 0 1rem;
  color: var(--signal-text);
  font-family: var(--signal-font-mono);
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}
.signal-write-body {
  display: grid;
  gap: 0.75rem;
  padding: 0 1rem 1rem;
}

/* `data`: any answer as a tree to read, in the mono on the sunken ground, a key beside its value. */
.signal-data {
  padding: 0.875rem 1rem;
  border: 1px solid var(--signal-line);
  border-radius: var(--signal-radius);
  background: var(--signal-sunken);
  color: var(--signal-text);
  font-family: var(--signal-font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.signal-data dl,
.signal-data ol {
  margin: 0;
}
.signal-data dl {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.125rem 1rem;
}
.signal-data ol {
  display: grid;
  gap: 0.375rem;
  padding-inline-start: 1.75rem;
}
.signal-data dt {
  color: var(--signal-muted);
}
.signal-data dd {
  margin: 0;
}
.signal-data li::marker {
  color: var(--signal-subtle);
}

.signal-check {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  accent-color: var(--signal-accent);
}

/* What a site's app asks or says above its section, in the words the home handed it. Its own class: a stranger's
   tree never wears the home's notice (SCREEN-6). */
.signal-ask {
  display: grid;
  gap: 0.75rem;
  justify-items: start;
  padding: 1rem;
  border: 1px solid var(--signal-line-strong);
  border-radius: var(--signal-radius-card);
  background: var(--signal-raised);
  color: var(--signal-text);
}
.signal-ask-consent {
  border-color: var(--signal-accent);
  box-shadow: 0 0 28px -10px var(--signal-glow);
}
.signal-ask-say {
  max-width: var(--signal-measure);
  margin: 0;
}

/* A field with its words; a long text; what a form says of its last press. */
.signal-field-row {
  display: grid;
  gap: 0.375rem;
}
.signal-field-long {
  min-height: 6rem;
  padding-block: 0.625rem;
  resize: vertical;
}
.signal-help {
  max-width: var(--signal-measure);
  margin: 0;
  color: var(--signal-muted);
  font-size: var(--signal-size-small);
}
.signal-told {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  margin: 0;
  padding: 0.625rem 0.875rem;
  border: 1px solid color-mix(in srgb, var(--signal-accent) 45%, transparent);
  border-radius: var(--signal-radius);
  background: color-mix(in srgb, var(--signal-accent) 10%, transparent);
  color: var(--signal-text);
  font-size: var(--signal-size-small);
}
.signal-told::before {
  flex: none;
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: var(--signal-accent);
  content: '';
}
.signal-told-failed {
  border-color: color-mix(in srgb, var(--signal-danger) 50%, transparent);
  background: none;
}
.signal-told-failed::before {
  background: var(--signal-danger);
}

/* `app`: a site's app. Its sections are the beats of one filament, the one shown lit; beside it the person's
   other places, who the person is here, and the line above the place. A bar on a phone, a rail where there is room. */
.signal-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
}
.signal-rail {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
  padding: 0.75rem var(--signal-gutter);
  border-bottom: 1px solid var(--signal-line);
}
.signal-rail-list {
  position: relative;
  display: flex;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: none;
}
.signal-rail-item {
  display: flex;
  flex: none;
  align-items: center;
}
.signal-rail-item + .signal-rail-item::before {
  flex: none;
  width: 1rem;
  height: 2px;
  margin-inline: 0.5rem;
  border-radius: 1px;
  background: var(--signal-filament);
  content: '';
}
.signal-rail-step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--signal-muted);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-small);
  text-align: start;
  white-space: nowrap;
  cursor: pointer;
}
.signal-rail-step:hover {
  color: var(--signal-text);
}
.signal-rail-node {
  box-sizing: border-box;
  flex: none;
  width: 0.625rem;
  height: 0.625rem;
  border: 2px solid var(--signal-filament);
  border-radius: 50%;
  background: var(--signal-surface);
}
.signal-rail-list {
  counter-reset: signal-rail;
}
.signal-rail-item {
  counter-increment: signal-rail;
}
.signal-rail-no::before {
  content: counter(signal-rail, decimal-leading-zero);
}
.signal-rail-no {
  color: var(--signal-subtle);
  font-size: var(--signal-size-tiny);
}
.signal-rail-step[aria-current] {
  color: var(--signal-text);
  font-weight: 500;
}
.signal-rail-step[aria-current] > .signal-rail-node {
  border-color: var(--signal-accent);
  background: var(--signal-accent);
  box-shadow: 0 0 10px var(--signal-glow);
}
.signal-rail-step[aria-current] > .signal-rail-no {
  color: var(--signal-accent);
}
.signal-places {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.signal-place {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.25rem;
  padding: 0 0.75rem;
  border: 1px solid var(--signal-line-strong);
  border-radius: 999px;
  background: var(--signal-raised);
  color: var(--signal-text);
  font-family: var(--signal-font);
  font-size: var(--signal-size-small);
  font-weight: 600;
  cursor: pointer;
}
.signal-place:hover {
  border-color: var(--signal-accent);
}
.signal-place-wait {
  color: var(--signal-accent);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-tiny);
  font-weight: 500;
}
.signal-who {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  color: var(--signal-text);
  font-size: var(--signal-size-small);
  font-weight: 600;
}
.signal-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.signal-rail-foot {
  display: grid;
  gap: 0.75rem;
}
.signal-shell-main {
  display: grid;
  gap: 1.5rem;
  align-content: start;
  min-width: 0;
  padding: 1.5rem var(--signal-gutter) 2.5rem;
}
@container signal-site (min-width: 52rem) {
  .signal-shell {
    grid-template-columns: 15rem minmax(0, 1fr);
  }
  .signal-rail {
    align-content: start;
    gap: 1.5rem;
    padding: 2rem 1.5rem;
    border-inline-end: 1px solid var(--signal-line);
    border-bottom: 0;
  }
  .signal-rail-list {
    display: grid;
    overflow: visible;
  }
  .signal-rail-list::before {
    position: absolute;
    inset-block: 1.375rem;
    inset-inline-start: calc(0.3125rem - 1px);
    width: 2px;
    background: var(--signal-filament);
    content: '';
  }
  .signal-rail-item + .signal-rail-item::before {
    display: none;
  }
  .signal-rail-step {
    width: 100%;
  }
  .signal-rail-foot {
    padding-top: 1.5rem;
    border-top: 1px solid var(--signal-line);
  }
  .signal-shell-main {
    padding: 2.5rem 2.5rem 3rem;
  }
}

/* A place's page, by the nine standard parts: a head, then a region for each seat, ruled above. */
.signal-place-head {
  display: grid;
  gap: 0.75rem;
  padding-bottom: 1.5rem;
}
.signal-region {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
  padding-block: 1.5rem;
  border-top: 1px solid var(--signal-line);
}
.signal-rows {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--signal-line-strong);
  list-style: none;
}
.signal-row-item {
  border-bottom: 1px solid var(--signal-line);
}
.signal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-sizing: border-box;
  width: 100%;
  min-height: 3rem;
  padding: 0 0.25rem;
  border: 0;
  background: none;
  color: var(--signal-text);
  font-family: var(--signal-font);
  font-size: 1rem;
  font-weight: 600;
  text-align: start;
  cursor: pointer;
}
.signal-row:hover {
  color: var(--signal-accent);
}
.signal-shown {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.125rem 1.5rem;
  margin: 0;
  padding: 0 0.25rem 0.5rem;
}
.signal-shown-label {
  color: var(--signal-muted);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-tiny);
  letter-spacing: 0.02em;
}
.signal-shown-text {
  margin: 0 0 0.5rem;
  color: var(--signal-body);
  overflow-wrap: anywhere;
}
.signal-empty {
  display: grid;
  gap: 0.75rem;
  justify-items: start;
  margin: 0;
  padding: 1.25rem 1rem;
  border: 1px dashed var(--signal-line-strong);
  border-radius: var(--signal-radius-card);
  color: var(--signal-muted);
  font-size: var(--signal-size-small);
}
.signal-thing-name {
  margin: 0;
  color: var(--signal-text);
  font-family: var(--signal-font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.signal-status {
  max-width: var(--signal-measure);
  margin: 0;
  color: var(--signal-text);
  font-size: var(--signal-size-lead);
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.signal-failed {
  display: grid;
  gap: 0.75rem;
  justify-items: start;
  padding: 1.25rem 1rem;
  border: 1px solid color-mix(in srgb, var(--signal-danger) 50%, transparent);
  border-radius: var(--signal-radius-card);
  background: var(--signal-raised);
}
.signal-act {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding-block: 0.5rem;
}
.signal-said {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--signal-line-strong);
  list-style: none;
}
.signal-saying {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.125rem 1.5rem;
  padding: 0.75rem 0.25rem;
  border-bottom: 1px solid var(--signal-line);
}
.signal-from {
  color: var(--signal-accent);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-tiny);
  font-weight: 500;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}
.signal-saying-text {
  color: var(--signal-body);
  overflow-wrap: anywhere;
}
@container signal-site (min-width: 34rem) {
  .signal-shown,
  .signal-saying {
    grid-template-columns: 10rem minmax(0, 1fr);
  }
}

/* `loader`: the wait, its pulse on a filament, and under it the method being read. */
.signal-loader {
  display: grid;
  gap: 0.75rem;
  align-content: center;
  justify-items: center;
  min-height: 9rem;
}
.signal-loader-words {
  margin: 0;
  color: var(--signal-muted);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-tiny);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* The port's note, which stands in the site's own element beside the screen (HOST-33). */
[data-quo-note] {
  max-width: var(--signal-measure);
  margin: 0;
  padding: 1rem var(--signal-gutter) 1.5rem;
  color: var(--signal-muted);
  font-family: var(--signal-font-mono);
  font-size: var(--signal-size-tiny);
  line-height: 1.5;
}

.signal-link:focus-visible,
.signal-about-press:focus-visible,
.signal-write-press:focus-visible,
.signal-rail-step:focus-visible,
.signal-place:focus-visible,
.signal-row:focus-visible {
  outline: 2px solid var(--signal-accent);
  outline-offset: 2px;
}