/* Interactive project illustrations inside the existing native case sheet. */
.case-dialog .case-sheet-art.project-demo {
  position: relative;
  display: grid;
  place-items: center;
  height: 270px;
  min-height: 200px;
  margin: 0 32px 18px;
  padding: 12px;
  overflow: hidden;
  border-radius: 22px;
  background: var(--card2);
  color: var(--text);
  font: inherit;
  text-align: left;
  isolation: isolate;
}
.project-demo-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  margin-bottom: 22px;
}
.project-demo-controls[hidden] { display: none; }
.project-demo-controls .demo-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--text);
  background: var(--card2);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: transform 160ms ease-out;
}
.demo-action svg { width: 14px; height: 14px; flex: none; }
.demo-action:active { transform: scale(.97); }
.demo-action:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.demo-caption { color: var(--muted); font-size: 12px; text-wrap: pretty; }
#project-demo-status {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.case-dialog .project-demo [data-project-scene] { width: min(100%, 320px); }
.case-dialog .case-sheet-art.project-demo:has(.bots-scene) { height: auto; min-height: 0; padding: 18px; }
.case-dialog .case-sheet-art.project-demo .bots-scene { width: 100%; }
@media (max-width: 380px) {
  .case-dialog .case-sheet-art.project-demo:has(.bots-scene) { margin-inline: 12px; padding: 10px; }
  .case-dialog .bots-scene { gap: 6px; }
  .case-dialog .bots-scene .bot-thread { padding: 0; }
  .case-dialog .bots-scene .bot-name { font-size: 9px; }
}
.case-dialog .project-demo .product-scene { width: 300px; height: 260px; transform: scale(.85); }
.case-dialog .project-demo .learna-path { width: 190px; right: 34px; top: 0; }
.case-dialog .project-demo .is-instant * { transition: none !important; }
.case-dialog .case-sheet-foot .case-extra-link {
  color: var(--text);
  font-size: 13px;
  text-underline-offset: 4px;
}
.case-extra-link[hidden], .case-sheet-foot [hidden] { display: none; }
@media (max-width:640px) {
  .case-dialog .case-sheet-art.project-demo {
    margin-inline: 22px;
    height: 240px;
    min-height: 170px;
  }
  .case-dialog .project-demo .product-scene { transform: scale(.75); }
}
@media (max-height:600px) {
  .case-dialog .case-sheet-art.project-demo { height: 150px; min-height: 150px; }
  .case-dialog .project-demo [data-project-scene] { transform: scale(.75); }
}
@media (prefers-reduced-motion:reduce) {
  html:not([data-motion="full"]) .demo-action { transition: none; }
  html:not([data-motion="full"]) .demo-action:active { transform: none; }
  html:not([data-motion="full"]) .case-dialog:has(.project-demo)[open] .case-sheet,
  html:not([data-motion="full"]) .case-dialog:has(.project-demo)[open]::backdrop { animation: none !important; }
  html:not([data-motion="full"]) .reference-projects .product-card .more,
  html:not([data-motion="full"]) .reference-projects .product-card:active { transition: none !important; transform: none !important; }
}
html[data-motion="off"] .demo-action { transition: none; transform: none; }

/* Structured project stories use the shared, accessible sheet. */
.case-story[hidden] { display: none; }
.case-story { display: grid; gap: 22px; margin: 24px 0 28px; }
.case-story > section { padding-top: 20px; border-top: 1px solid var(--line); }
.case-story h3 { margin: 0 0 8px; font-size: 17px; line-height: 1.3; font-weight: 600; text-wrap: balance; }
.case-dialog .case-story p { margin: 0; font-size: 15px; line-height: 1.55; color: var(--muted); text-wrap: pretty; }
.case-story > section:last-child { padding: 20px; border: 0; border-radius: 16px; background: var(--card2); }
.case-dialog:not(.polished-dialog):has(.case-story:not([hidden])) #case-dialog-copy { font-size: 18px; line-height: 1.45; color: var(--text); }
.case-dialog:has(.case-story:not([hidden])) .case-sheet-foot { align-items: flex-start; }
.case-dialog:has(.case-story:not([hidden])) .case-sheet-foot .domain { flex-basis: 100%; }
@media (max-width:640px) {
  .case-story { gap: 20px; }
  .case-story > section:last-child { padding: 16px; }
  .case-dialog:has(.case-story:not([hidden])) .case-sheet-foot { flex-direction: column; }
}
/* Keep the SelfMD diagram compact; scrolling is shared in refine-dialogs.css. */
.case-dialog .case-sheet-art.network { height: 230px; min-height: 200px; }
@media (max-height:600px) {
  .case-dialog .case-sheet-art.network { height: 150px; min-height: 150px; }
}
.case-contact-link { display: inline-block; margin: 0 0 24px; color: var(--text); font-size: 14px; line-height: 1.5; text-underline-offset: 4px; }
.case-contact-link[hidden] { display: none; }
.case-contact-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }