.playground { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(400px, 1fr); gap: 24px; align-items: stretch; }
.playground__palco { min-width: 0; position: relative; border: 1px solid var(--ouro-linha); background: radial-gradient(ellipse at 50% 70%, #34442f, #0c1611); }
.playground canvas { display: block; width: 100%; height: clamp(260px, 42vh, 460px); touch-action: none; cursor: grab; }
.playground__carregar { position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; }
.playground canvas:active { cursor: grabbing; }
.playground__visualizador { min-width: 0; }
.playground__status { margin: 8px 0 0; font-size: 14px; line-height: 1.35; color: var(--texto-suave); }
.playground__loading { display: flex; gap: 12px; align-items: center; color: var(--ouro); }
.playground__comandos { min-width: 0; }
.playground__comandos h3 { margin-bottom: 12px; }
.playground dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 18px; margin: 0 0 10px; font-size: 15px; line-height: 1.2; }
.playground dl > div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 1px 0; border-bottom: 1px solid var(--ouro-linha); }
.playground dd { margin: 0; text-align: right; }
.playground kbd { font-size: 10px; line-height: 1.2; padding: 2px 5px; }
.playground__nota { margin: 12px 0 0; color: var(--texto-suave); font-size: 14px; line-height: 1.35; }
.slide--playground .cabeca { max-width: none; margin-bottom: 14px; }
.slide--playground .lead { max-width: none; }
@media (max-width: 760px) {
    .playground { grid-template-columns: minmax(0, 1fr); gap: 18px; }
    .playground { gap: 12px; }
    .playground canvas { height: 180px; }
    .playground dl { gap: 4px 12px; }
    .playground dl > div { gap: 5px; flex-wrap: wrap; }
    .playground kbd { font-size: 9px; padding: 2px 3px; }
    .playground__comandos h3 { margin-bottom: 8px; }
    .slide--playground .slide__conteudo { padding-block: 20px; }
    .slide--playground .lead { font-size: 16px; }
}
@container quadro-chat (max-width: 1000px) {
    .playground { grid-template-columns: minmax(0, 1fr); }
    .playground canvas { height: 180px; }
}

@media (max-width: 400px) {
    .playground canvas { height: 140px; }
    .slide--playground .slide__conteudo { padding-block: 14px; }
    .slide--playground .cabeca h2 { font-size: 24px; line-height: 1.1; }
    .playground__comandos h3 { font-size: 20px; }
    .playground dl { font-size: 14px; }
    .playground__nota { font-size: 13px; margin-top: 8px; }
}

/* Celular: sem a lista de comandos (o playground é de teclado) e com o quadro bem maior. */
@media (max-width: 760px) {
    .playground__comandos { display: none; }
    .quadro .playground canvas { height: clamp(300px, 52dvh, 440px); }
}