/* libros.vivir.com — hub de material complementario de los libros "para Latinos" */
:root {
  --bg: #faf7f2;
  --card: #ffffff;
  --ink: #23201c;
  --muted: #6b645b;
  --line: #e7e0d6;
  --accent: #1a4c93;
  --maxw: 960px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#171512; --card:#201d19; --ink:#ece7df; --muted:#a49b8e; --line:#332e27; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 2rem 1.25rem 4rem; }
a { color: var(--accent); }

/* Header */
.site-head { text-align: center; padding: 2.5rem 0 1.5rem; }
.site-head h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 5vw, 2.9rem); margin: 0 0 .4rem; letter-spacing: -0.5px;
}
.site-head .tag { color: var(--muted); font-size: 1.05rem; max-width: 40rem; margin: 0 auto; }
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: 1.25rem; }
.crumbs a { text-decoration: none; }

/* Book grid */
.books { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.book {
  background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--bk, var(--accent));
  border-radius: 12px; padding: 1.1rem 1.2rem; display: flex; flex-direction: column;
  text-decoration: none; color: inherit; transition: transform .12s ease, box-shadow .12s ease;
}
a.book:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(0,0,0,.08); }
.book h2 { font-family: Georgia, serif; font-size: 1.2rem; margin: 0 0 .3rem; }
.book p { color: var(--muted); font-size: .92rem; margin: 0 0 .8rem; flex: 1; }
.badge {
  align-self: flex-start; font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; padding: .2rem .55rem; border-radius: 999px;
}
.badge.on  { background: color-mix(in srgb, var(--bk) 15%, transparent); color: var(--bk); }
.badge.soon { background: var(--line); color: var(--muted); }
@supports not (background: color-mix(in srgb, red, blue)) {
  .badge.on { background: #eef2fa; color: var(--bk); }
}

/* Supplements list (book page) */
.supp { display: grid; gap: 1rem; margin-top: 1.5rem; }
.item {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem 1.3rem;
}
.item h3 { margin: 0 0 .3rem; font-size: 1.15rem; }
.item .sub { color: var(--muted); font-size: .92rem; margin: 0 0 .9rem; }
.item audio { width: 100%; margin: .3rem 0 .7rem; }
.dl { font-size: .88rem; }
.tag-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }
.chip { font-size: .8rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: .15rem .6rem; }
.chip a { text-decoration: none; }

.note { color: var(--muted); font-size: .9rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); }
footer { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 3rem; }