/* Base común de las miniapps: reinicio, accesibilidad y piezas simples. Cada app pone sus colores en styles.css
   definiendo estas variables: --bg --surface --text --muted --border --accent --accent-fill --accent-ink --accent-text
   --warm --warm-ink --error */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  -webkit-tap-highlight-color: transparent;
}
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

.sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 640px; margin: 0 auto; padding: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; padding: 0 16px; border-radius: 10px; border: 1px solid transparent;
  background: var(--accent-fill); color: var(--accent-ink); font-weight: 600;
}
.btn:hover { filter: brightness(0.93); }
.btn.ghost { background: transparent; color: var(--accent-text); border-color: var(--border); }
.btn.ghost:hover { background: var(--surface); filter: none; }

.chip {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.chip:hover { border-color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--accent-fill); border-color: var(--accent-fill); color: var(--accent-ink); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--warm); color: var(--warm-ink); font-size: 0.8125rem; font-weight: 600; }

/* Aviso de versión nueva (lo crea actualizacion.js) */
.kit-aviso {
  position: fixed; z-index: 10; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom));
  max-width: 616px; margin: 0 auto; padding: 14px 16px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.18);
}
.kit-aviso p { flex: 1 1 200px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* Selector de idioma del pie (lo crea packages/idioma/selector.js) */
.kit-idioma { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; }
.kit-idioma-rotulo { color: var(--muted); font-size: 0.9rem; }

/* Enlace «‹ Aula» arriba de cada app cuando se publica dentro de Aula (lo agrega el build) */
.kit-volver-barra { max-width: 640px; margin: 0 auto; padding: 8px 16px 0; }
.kit-volver { display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px; color: var(--accent-text); font-weight: 600; text-decoration: none; }
.kit-volver:hover { text-decoration: underline; }