/* style.css   RP22009 - Carlos Rafael Rivera Pérez */

:root {
  --fg: #1c1c1c;
  --muted: #6b6b6b;
  --border: #ddd;
  --accent: #2b6cb0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1.5rem;
  font-family: system-ui, sans-serif;
  color: var(--fg);
  line-height: 1.5;
}

main { max-width: 700px; margin: 0 auto; }

h1 { font-size: 1.2rem; margin: 0 0 0.25rem; }
.subtitulo { color: var(--muted); font-size: 0.9rem; margin: 0 0 2rem; }

h2 {
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
  margin: 2rem 0 1rem;
}

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: 0.8rem; padding: 0.4rem; }
td { padding: 0.45rem; border-top: 1px solid var(--border); }

.fila-ejercicio td:first-child { padding-left: 1.5rem; color: var(--muted); }

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

ul#lista-json { list-style: none; padding: 0; margin: 0; }
ul#lista-json li {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
ul#lista-json li.item-ejercicio span { padding-left: 1.5rem; color: var(--muted); }

.lista-simple { list-style: none; display: flex; gap: 1rem; padding: 0; margin: 0; }