/* Solo la guía de astronomía; sin cambios de estilo en los quizzes. */
.rich-copy .astro-hierarchy { margin: 1.5rem 0 2rem; color: var(--ink); }
.astro-hierarchy > div { padding: 1.15rem; border: 2px solid var(--night); background: var(--paper); }
.astro-hierarchy div > div { margin-top: 1rem; padding: 1rem; border-left: 4px solid var(--night); background: #e3efea; }
.astro-hierarchy div > div > div { background: var(--yellow-soft); }
.astro-hierarchy strong, .astro-hierarchy span { display: block; font-size: 1rem; line-height: 1.6; }
.astro-hierarchy strong { font-weight: 850; }
.rich-copy .astro-hierarchy > p { font-size: .9rem; margin: .6rem 0 0; }
.rich-copy .astro-measures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.astro-measures > div { min-width: 0; padding: 1.2rem; border: 1px solid var(--line); background: var(--paper); }
.astro-measures strong, .astro-measures span { display: block; line-height: 1.5; overflow-wrap: anywhere; }
.astro-measures strong { font-size: 1.35rem; }
.astro-measures span { margin-top: .35rem; font-size: 1rem; font-weight: 750; }
.rich-copy .astro-measures p { font-size: 1rem; margin: .75rem 0 0; }
.rich-copy .astro-chart, .rich-copy .astro-moon { margin: 1.5rem 0 2rem; min-width: 0; }
.rich-copy .astro-chart { padding: 1rem; border: 1px solid var(--line); background: var(--paper); }
.astro-chart img { display: block; width: 100%; max-width: 360px; height: auto; margin: auto; }
.astro-moon img { display: block; width: 100%; max-width: 520px; height: auto; margin: auto; }
.rich-copy .astro-chart figcaption, .rich-copy .astro-moon figcaption { margin-top: 1rem; font-size: 1rem; line-height: 1.65; }
.rich-copy .astro-check { margin: 1.25rem 0 2rem; padding: 1rem; border-left: 4px solid var(--night); background: var(--yellow-soft); }
.rich-copy .astro-check p { margin: 0 0 .75rem; }
.rich-copy .astro-check details { margin: 0; }
.astro-check summary { min-height: 44px; padding: .5rem 0; cursor: pointer; font-weight: 800; }
.astro-check summary:focus-visible { outline: 3px solid var(--night); outline-offset: 3px; }
.rich-copy .astro-credit { font-size: .9rem; margin-top: 2rem; }
@media (max-width: 520px) {
  .rich-copy .astro-measures { grid-template-columns: minmax(0, 1fr); }
  .astro-hierarchy > div, .astro-hierarchy div > div { padding: .75rem; }
  .rich-copy .astro-chart { padding: .5rem; }
}