/* Page layout for the demo: panes, controls and the message detail. */
:root {
  --pane-h: 38rem;
}

/* --- page ------------------------------------------------------------- */

main.demo-page {
  max-width: 110rem;
  padding-top: 28px;
}
.demo-intro h1 {
  margin-bottom: 0.3rem;
}
.demo-intro .lede {
  max-width: 64rem;
}

.demo-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin: 1.2rem 0 1rem;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--bg-2);
}
.demo-source {
  margin-left: auto;
  font-size: 0.95rem;
  font-weight: 600;
}

.demo-picker {
  display: inline-flex;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  background: var(--code-bg);
}
.demo-picker button {
  font: inherit;
  font-size: 0.95rem;
  color: var(--fg);
  background: transparent;
  border: 0;
  padding: 5px 16px;
  border-radius: 999px;
  cursor: pointer;
}
.demo-picker button:hover {
  background: var(--bg-2);
}
.demo-picker button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  box-shadow: 0 4px 12px -4px color-mix(in srgb, var(--accent) 70%, transparent);
}

.demo-latency {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}
.demo-latency select {
  font: inherit;
  color: var(--fg);
  background: var(--input-bg);
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  padding: 4px 6px;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "app" "wire" "detail";
  gap: 18px;
  align-items: start;
}
.pane-app {
  grid-area: app;
}
.pane-wire {
  grid-area: wire;
}
.pane-detail {
  grid-area: detail;
}
@media (min-width: 860px) {
  .demo-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas: "app app" "wire detail";
  }
}
@media (min-width: 1280px) {
  .demo-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas: "app wire detail";
  }
}

.demo-pane {
  --c: var(--accent);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--c);
  border-radius: 12px;
  background: var(--bg-2);
  padding: 12px 14px 14px;
  min-width: 0;
  box-shadow: 0 10px 30px -22px rgb(40 20 120 / 0.5);
}
.pane-app {
  --c: var(--t-element);
}
.pane-wire {
  --c: var(--t-signal);
}
.pane-detail {
  --c: var(--t-action);
}

.demo-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  margin-bottom: 8px;
}
.demo-panel-head h2 {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.demo-panel-head h2 {
  margin-right: auto;
}
.demo-panel-head .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c);
}
.demo-pane .demo-panel-head:not(:first-child) {
  margin-top: 16px;
}

.demo-app {
  position: relative;
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 20px;
  background: var(--bg);
  min-height: 22rem;
}

.demo-log,
.demo-signals,
.demo-detail {
  font: 12px/1.5 var(--mono);
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: auto;
}
.demo-signals {
  max-height: 14rem;
  margin: 0;
  padding: 8px 10px;
  border-left-width: 1px;
}
.demo-log {
  position: relative;
  height: var(--pane-h);
  resize: vertical;
  padding: 4px;
  outline: none;
}
.demo-detail {
  height: var(--pane-h);
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 0.92rem;
  background: var(--bg);
}
@media (max-width: 859px) {
  .demo-log {
    height: 24rem;
  }
  .demo-detail {
    height: auto;
    max-height: 40rem;
  }
}

.d.t-element {
  --c: var(--t-element);
}
.d.t-signal {
  --c: var(--t-signal);
}
.d.t-remove {
  --c: var(--t-remove);
}
.d.t-action {
  --c: var(--t-action);
}
.d.t-hello {
  --c: var(--t-hello);
}
.d.t-diag {
  --c: var(--warn);
}

/* Message detail */
.detail-empty {
  color: var(--muted);
  display: grid;
  place-content: center;
  height: 100%;
  text-align: center;
  max-width: 26rem;
  margin: 0 auto;
}
.detail-empty strong {
  color: var(--fg);
}

.d {
  --c: var(--accent);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.d p {
  margin: 0;
}
.d-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.d-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.d-sentence {
  font-size: 1rem;
  line-height: 1.7;
}
.d-sentence.bad,
.d-diag {
  color: var(--bad);
}
.d-diag {
  font: 0.85rem var(--mono);
  background: var(--bad-bg);
  padding: 6px 10px;
  border-radius: 6px;
}
.d-sentence .gone {
  color: var(--muted);
  font-style: italic;
}
.d-section h3 {
  margin: 4px 0 6px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.d .chip {
  --k: var(--accent);
  display: inline-block;
  font: 600 0.86em/1.5 var(--mono);
  padding: 0 7px;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--k) 45%, transparent);
  background: color-mix(in srgb, var(--k) 13%, transparent);
  color: var(--k);
  text-decoration: none;
  white-space: nowrap;
}
.d .chip.tag {
  --k: var(--c);
  font-size: 0.95em;
  padding: 1px 10px;
}
.d .chip.id,
.d .chip.ref {
  --k: var(--t-element);
  cursor: pointer;
}
.d .chip.ref {
  border-style: dashed;
}
.d .chip.action {
  --k: var(--t-action);
}
.d .chip.signal {
  --k: var(--t-signal);
}
.d .chip.local {
  --k: var(--muted);
  font-weight: 400;
  font-size: 0.75em;
}
.d .chip.big {
  font-size: 1.25rem;
  padding: 2px 12px;
  border-radius: 8px;
}
.d .chip[data-ref]:hover,
.d .chip[data-ref]:focus-visible {
  background: var(--k);
  color: var(--on-accent);
  outline: none;
}

.d-row {
  display: grid;
  grid-template-columns: minmax(5rem, auto) minmax(0, 1fr);
  gap: 4px 14px;
  padding: 6px 0;
  border-bottom: 1px solid var(--rule);
}
.d-row:last-child {
  border-bottom: 0;
}
.d-key {
  font: 600 0.85rem var(--mono);
  color: var(--t-key);
}
.d-val {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
}
.d-val code {
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}
.d-val code.cel {
  color: var(--t-element);
  border-style: dashed;
}
.d-val .json {
  margin: 2px 0 0;
}
.now {
  font: 0.78rem var(--mono);
  color: var(--muted);
}
.now::before {
  content: "↳ ";
}

.d .json {
  margin: 0;
  padding: 10px 12px;
  font: 12px/1.55 var(--mono);
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.d .d-change .json,
.d-payload-inline .json {
  display: inline-block;
  padding: 1px 6px;
  vertical-align: middle;
}
.d-payload .json {
  font-size: 13px;
  border: 1px solid color-mix(in srgb, var(--t-action) 50%, transparent);
  background: color-mix(in srgb, var(--t-action) 9%, var(--code-bg));
  box-shadow: inset 3px 0 0 var(--t-action);
}

.mk-id,
.mk-ref,
.mk-payload,
.mk-name,
.mk-handler,
.mk-cel,
.mk-local {
  border-radius: 4px;
  padding: 1px 2px;
}
.mk-id {
  background: color-mix(in srgb, var(--t-element) 22%, transparent);
  outline: 1px solid var(--t-element);
  cursor: pointer;
}
.mk-id .hl-str {
  color: var(--t-element);
  font-weight: 700;
}
.mk-ref {
  outline: 1px dashed var(--t-element);
  cursor: pointer;
}
.mk-ref .hl-str {
  color: var(--t-element);
}
.mk-name .hl-str {
  color: var(--t-action);
  font-weight: 700;
}
.mk-payload {
  background: color-mix(in srgb, var(--t-action) 18%, transparent);
  outline: 1px solid var(--t-action);
}
.mk-handler {
  background: color-mix(in srgb, var(--t-action) 8%, transparent);
}
.mk-cel {
  background: color-mix(in srgb, var(--t-element) 8%, transparent);
}
.mk-local {
  opacity: 0.65;
}
.mk-id[data-ref]:hover,
.mk-ref[data-ref]:hover {
  background: color-mix(in srgb, var(--t-element) 35%, transparent);
}

.d-changes {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.d-change {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.d-change .arrow {
  color: var(--muted);
}
.d-change .deleted {
  color: var(--t-remove);
  font-style: italic;
}