/* MyBookIllustrator — catalog front page
   Scope: .mbi-* only. Loaded by index.html alone until the rest of the site follows. */

:root {
  --mbi-ink: #1d2b3a;
  --mbi-muted: #5b6b7c;
  --mbi-cream: #f7f1e5;
  --mbi-paper: #fffdf8;
  --mbi-blue: #1f3d5c;
  --mbi-accent: #b4541f;
  --mbi-line: #e3d9c6;
  --mbi-shadow: 0 1px 2px rgba(29, 43, 58, .05), 0 8px 24px rgba(29, 43, 58, .05);
}

* { box-sizing: border-box; }

body.mbi-body {
  margin: 0;
  background: var(--mbi-cream);
  color: var(--mbi-ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Georgia, "Times New Roman", serif;
  -webkit-font-smoothing: antialiased;
}

.mbi-wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.mbi-skip {
  position: absolute; left: -9999px; top: 0; background: var(--mbi-blue); color: #fff;
  padding: 10px 16px; z-index: 100; border-radius: 0 0 8px 0;
}
.mbi-skip:focus { left: 0; }

/* ---------- header ---------- */
.mbi-header {
  background: var(--mbi-paper);
  border-bottom: 1px solid var(--mbi-line);
  position: sticky; top: 0; z-index: 30;
}
.mbi-header .mbi-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; padding-top: 12px; padding-bottom: 12px; }
.mbi-brand { text-decoration: none; color: var(--mbi-ink); line-height: 1.15; margin-right: auto; }
.mbi-brand strong { display: block; font-size: 21px; letter-spacing: -.015em; }
.mbi-brand span { display: block; font-size: 12.5px; color: var(--mbi-muted); font-weight: 400; }

.mbi-nav { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.mbi-nav a {
  color: var(--mbi-blue); text-decoration: none; font-size: 15px;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
}
.mbi-nav a:hover, .mbi-nav a:focus-visible { border-color: var(--mbi-accent); }
.mbi-nav a[aria-current="page"] { border-color: var(--mbi-accent); }
.mbi-nav .mbi-cta {
  background: var(--mbi-blue); color: #fff; padding: 8px 14px; border-radius: 8px; border: 0;
}
.mbi-nav .mbi-cta:hover, .mbi-nav .mbi-cta:focus-visible { background: #16304a; }

/* ---------- hero ---------- */
.mbi-hero { padding: 52px 0 8px; }
.mbi-hero h1 {
  font-size: clamp(30px, 4.4vw, 50px); line-height: 1.08; letter-spacing: -.02em;
  margin: 0 0 14px; max-width: 18ch;
}
.mbi-hero p { color: var(--mbi-muted); max-width: 58ch; margin: 0; font-size: 17px; }
.mbi-hero .mbi-count { color: var(--mbi-blue); font-weight: 600; }

/* ---------- rotating feature ---------- */
.mbi-feature {
  margin: 32px 0 10px; background: var(--mbi-paper); border: 1px solid var(--mbi-line);
  border-radius: 16px; overflow: hidden; box-shadow: var(--mbi-shadow);
  display: grid; grid-template-columns: 280px 1fr; min-height: 300px;
}
.mbi-feature-cover { background: #eae1d0; position: relative; }
.mbi-feature-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mbi-feature-body { padding: 24px 26px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.mbi-kicker {
  font-size: 11.5px; letter-spacing: .15em; text-transform: uppercase;
  color: var(--mbi-accent); font-weight: 700;
}
.mbi-feature h2 { margin: 0; font-size: clamp(21px, 2.6vw, 28px); line-height: 1.2; letter-spacing: -.01em; }
.mbi-feature-meta { font-size: 14px; color: var(--mbi-muted); }
.mbi-feature-sum {
  margin: 0; color: #31424f; font-size: 15.5px;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.mbi-feature-foot { margin-top: auto; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.mbi-link { color: var(--mbi-blue); font-weight: 600; text-decoration: none; }
.mbi-link:hover, .mbi-link:focus-visible { text-decoration: underline; }
.mbi-dots { display: flex; gap: 7px; margin-left: auto; }
.mbi-dots button {
  width: 9px; height: 9px; border-radius: 50%; border: 0; padding: 0; cursor: pointer;
  background: #cbbfa9; transition: transform .15s ease, background .15s ease;
}
.mbi-dots button[aria-current="true"] { background: var(--mbi-accent); transform: scale(1.3); }
.mbi-dots button:focus-visible { outline: 2px solid var(--mbi-blue); outline-offset: 3px; }

/* ---------- filters ---------- */
.mbi-filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 30px 0 6px; }
.mbi-filters label { position: absolute; left: -9999px; }
.mbi-filters select, .mbi-filters input[type="search"] {
  font: inherit; padding: 8px 11px; border: 1px solid var(--mbi-line); border-radius: 9px;
  background: var(--mbi-paper); color: var(--mbi-ink); min-width: 0;
}
.mbi-filters input[type="search"] { flex: 1 1 200px; max-width: 300px; }
.mbi-filters select:focus-visible, .mbi-filters input:focus-visible { outline: 2px solid var(--mbi-blue); outline-offset: 1px; }
.mbi-resultcount { margin-left: auto; color: var(--mbi-muted); font-size: 14px; }

/* ---------- grid ---------- */
.mbi-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 20px; padding: 22px 0 60px;
}
.mbi-card {
  background: var(--mbi-paper); border: 1px solid var(--mbi-line); border-radius: 13px;
  overflow: hidden; display: flex; flex-direction: column; transition: transform .15s ease, box-shadow .15s ease;
  text-decoration: none; color: inherit;
}
.mbi-card:focus-visible { outline: 2px solid var(--mbi-blue); outline-offset: 3px; }
.mbi-link-quiet { font-weight: 400; color: var(--mbi-muted); }
.mbi-card:hover { transform: translateY(-2px); box-shadow: var(--mbi-shadow); }
.mbi-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; background: #eae1d0; display: block; }
.mbi-card-body { padding: 13px 14px 16px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.mbi-card h3 { margin: 0; font-size: 16.5px; line-height: 1.28; letter-spacing: -.005em; }
.mbi-card .mbi-by { font-size: 13.5px; color: var(--mbi-muted); }
.mbi-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.mbi-tag { font-size: 11.5px; padding: 2px 8px; border-radius: 20px; background: #efe7d7; color: #5a4a33; }
.mbi-empty { grid-column: 1 / -1; padding: 48px 20px; text-align: center; color: var(--mbi-muted); }
.mbi-msg { padding: 26px 0 50px; color: var(--mbi-muted); }

/* ---------- footer ---------- */
.mbi-footer { border-top: 1px solid var(--mbi-line); background: var(--mbi-paper); padding: 26px 0 34px; }
.mbi-footer .mbi-wrap { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; color: var(--mbi-muted); font-size: 13.5px; }
.mbi-footer nav { display: flex; gap: 16px; margin-left: auto; }
.mbi-footer a { color: var(--mbi-blue); text-decoration: none; }
.mbi-footer a:hover { text-decoration: underline; }

@media (max-width: 760px) {
  body.mbi-body { overflow-x: hidden; }
  .mbi-wrap { padding: 0 16px; }
  .mbi-nav { gap: 12px; }
  .mbi-nav .mbi-cta { white-space: normal; }
  .mbi-hero p, .mbi-hero h1 { max-width: 100%; }
  .mbi-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
  .mbi-feature { grid-template-columns: 1fr; }
  .mbi-feature-cover { aspect-ratio: 16 / 10; max-height: 360px; }
  .mbi-feature-cover img { object-position: center 30%; }
  .mbi-hero { padding-top: 36px; }
  .mbi-filters select { flex: 1 1 40%; }
}

@media (prefers-reduced-motion: reduce) {
  .mbi-card, .mbi-dots button { transition: none; }
  .mbi-card:hover { transform: none; }
}