/* Minimal, readable styles (2-space indent) */
:root {
  --bg: #0b0d12;
  --bg-soft: #111520;
  --text: #e7ecf3;
  --muted: #a8b3c7;
  --brand: #7aa2ff;
  --card: #151a27;
  --accent: #34d399;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
.container { width: min(1100px, 92%); margin: 0 auto; }

.site-header { border-bottom: 1px solid #1d2435; background: var(--bg-soft); }
.header-inner { display: flex; align-items: center; gap: 16px; padding: 12px 0; }
.brand { color: var(--text); text-decoration: none; font-weight: 700; }
.nav a { color: var(--muted); margin-left: 16px; text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); }

.hero { padding: 32px 0 12px; }
.toolbar { display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-top: 12px; }
.search-row { display: flex; gap: 12px; }
input[type="search"], select {
  background: var(--card); border: 1px solid #243049; color: var(--text);
  padding: 10px 12px; border-radius: 8px; flex: 1;
}
select { flex: 0 0 auto; }
.right-controls { display: flex; gap: 12px; align-items: center; }
.inline { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.view-toggle .btn { padding: 8px 10px; }

.grid {
  display: grid; gap: 16px; padding: 20px 0 40px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.card {
  background: var(--card); border: 1px solid #20293c; border-radius: 12px;
  overflow: hidden; display: flex; flex-direction: column; min-height: 320px;
  color: var(--text); text-decoration: none; transition: transform 0.12s ease, border-color 0.12s ease;
}
.card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; background: #0e1422; }
.card .content { padding: 12px; display: grid; gap: 8px; }
.card:hover, .card:focus-visible {
  border-color: var(--brand);
  transform: translateY(-2px);
}
.card:focus-visible { outline: none; box-shadow: 0 0 0 2px rgba(122, 162, 255, 0.4); }
.title { font-weight: 700; }
.meta { color: var(--muted); font-size: 0.9rem; }
.btn { background: #1c2742; border: 1px solid #28334e; color: #d8e5ff; padding: 8px 12px; border-radius: 8px; text-decoration: none; display: inline-block; cursor: pointer; }
.btn.primary { background: #22325a; border-color: #2a3d70; }
.btn:hover { filter: brightness(1.05); }
.empty { color: var(--muted); padding: 24px 0 56px; text-align: center; }
.site-footer { border-top: 1px solid #1d2435; padding: 20px 0; background: var(--bg-soft); }
.back-link { display: inline-block; margin: 16px 0; color: var(--brand); text-decoration: none; }

.book-detail {
  background: var(--card); border: 1px solid #20293c; border-radius: 12px; padding: 16px;
  display: grid; grid-template-columns: 220px 1fr; gap: 16px;
}
.book-detail img { width: 100%; border-radius: 8px; aspect-ratio: 3/4; object-fit: cover; }
.book-detail .actions { display: flex; gap: 8px; margin-top: 8px; }
.desc { color: #cdd7ea; }

/* Reader */
.reader-body { height: 100%; display: grid; grid-template-rows: auto 1fr; }
.reader { display: grid; grid-template-columns: 260px 1fr; gap: 0; height: calc(100vh - 57px); }
.reader-header { position: sticky; top: 0; z-index: 5; }
.toc { border-right: 1px solid #1d2435; padding: 12px; background: var(--bg-soft); overflow: auto; }
.toc h2 { font-size: 1rem; color: var(--muted); margin: 6px 0 12px; }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.toc a { color: #c9d6f0; text-decoration: none; font-size: 0.95rem; }
.toc a.active { color: var(--accent); }
.page { overflow: auto; }
.page-controls { display: grid; grid-template-columns: 120px 1fr 120px; align-items: center; gap: 12px; padding: 12px; border-bottom: 1px solid #1d2435; }
.chapter-title { text-align: center; color: var(--muted); }
.chapter { padding: 16px 20px 40px; max-width: 780px; margin: 0 auto; }
.chapter h1, .chapter h2, .chapter h3 { line-height: 1.3; }
.chapter p { margin: 0 0 1em; }

@media (max-width: 840px) {
  .book-detail { grid-template-columns: 1fr; }
  .reader { grid-template-columns: 1fr; }
  .toc { display: none; }
}

/* List view styles */
.grid.list { grid-template-columns: 1fr; gap: 12px; }
.grid.list .card { min-height: auto; display: grid; grid-template-columns: 92px 1fr; align-items: center; }
.grid.list .card img { aspect-ratio: auto; width: 92px; height: 122px; }
.grid.list .card .content { padding: 10px 12px; gap: 4px; }
.grid.list .meta { font-size: 0.9rem; }