.demo__heading { font-size: var(--step-2); line-height: 1.15; font-weight: 600; letter-spacing: -0.01em; }
.demo__intro { margin-top: var(--space-2); }
.demo-panels { margin-top: var(--space-4); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.demo-panel { margin: 0; min-width: 0; }
.demo-frame { position: relative; aspect-ratio: 960 / 640; overflow: hidden; border: 1px solid var(--line); border-radius: 4px; background: #0f3322; }
.demo-frame iframe { position: absolute; top: 0; left: 0; width: 960px; height: 640px; border: 0; transform: scale(var(--s, 0.3)); transform-origin: 0 0; }
.demo__intro { white-space: pre-line; }
.demo-panel figcaption { margin-top: var(--space-2); display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: var(--space-2); row-gap: var(--space-1); align-items: start; font-size: var(--step--1); }
.demo-panel figcaption strong, .demo-caption__prompt, .demo-caption__summary { grid-column: 1; }
.demo-caption__prompt { max-width: none; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.demo-caption__summary { color: var(--muted); }
.demo-panel .demo-open { grid-column: 2; grid-row: 1; align-self: start; margin-top: calc(-1 * var(--space-1)); display: grid; place-items: center; width: 2.25rem; height: 2.25rem; padding: 0; border-radius: 50%; justify-self: end; }
.demo-panel button, .demo-dialog__bar button {
  font: inherit; font-size: var(--step--1); color: var(--accent); background: none;
  border: 1px solid var(--accent); border-radius: 999px; padding: var(--space-1) var(--space-3); cursor: pointer;
}
.demo-panel button:hover, .demo-dialog__bar button:hover { background: var(--accent); color: var(--bg); }
.demo-panel noscript details { margin-top: var(--space-2); font-size: var(--step--1); }
.demo__setup, .demo__model { margin-top: var(--space-3); font-size: var(--step--1); color: var(--muted); max-width: none; }
.demo__setup code { display: block; margin-top: var(--space-1); color: var(--ink); font-family: inherit; }

#demo-dialog { width: min(72rem, 96vw); height: min(46rem, 92vh); max-width: none; max-height: none; padding: 0; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); }
#demo-dialog::backdrop { background: rgb(27 26 23 / 0.55); }
#demo-dialog[open] { display: flex; flex-direction: column; }
.demo-dialog__bar { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); padding: var(--space-3); border-bottom: 1px solid var(--line); }
.demo-dialog__bar h4 { margin: 0; font-size: var(--step-1); font-weight: 600; }
.demo-dialog__body { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
.demo-dialog__game { min-height: 0; background: #0f3322; }
.demo-dialog__game iframe { width: 100%; height: 100%; border: 0; display: block; }
.demo-dialog__text { overflow: auto; padding: var(--space-3); font-size: var(--step--1); }
.demo-prompt { max-width: none; white-space: pre-wrap; }
.demo-turns { display: grid; gap: var(--space-3); }
.demo-turn { max-width: none; display: grid; gap: var(--space-1); }
.demo-turn__who { color: var(--muted); }
.demo-turn__text { max-width: none; white-space: pre-wrap; }
.demo-turn--user .demo-turn__text { border-left: 2px solid var(--accent); padding-left: var(--space-2); }

@media (max-width: 959px) { .demo-panels { grid-template-columns: 1fr; } }
@media (max-width: 719px) {
  #demo-dialog { width: 100vw; height: 100dvh; border-radius: 0; border: 0; }
  .demo-dialog__body { grid-template-columns: 1fr; grid-template-rows: minmax(0, 55%) minmax(0, 45%); }
}