:root {
  color-scheme: light dark;
  --bg: #F3F5F0; --surface: #FFFFFF; --ink: #1C1F1A; --secondary: #5F675C;
  --card: #1B7A43; --on-card: #FFFFFF; --on-card-muted: #E5F6EA;
  --accent: #C8F26E; --on-accent: #1A3314;
  --chip: #DDF3CC; --on-chip: #1B5C32;
  --line: rgba(28, 31, 26, .08); --link: #1B6B3C; --cover-bg: #E6E9E2;
  --warning: #A65A1E; --warning-surface: #FBEBDC;
  --serif: 'EB Garamond', Georgia, 'Times New Roman', serif;
  --sans: 'Nunito Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --radius: 24px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #3A2C29; --surface: #4A3935; --ink: #F6F1EA; --secondary: #CDBEB4;
    --card: #1F3D2B; --on-card: #F6F1EA; --on-card-muted: #D9CBBF;
    --accent: #F0E4A4; --on-accent: #2E261C;
    --chip: #5A4638; --on-chip: #F0E4A4;
    --line: rgba(246, 241, 234, .12); --link: #F0E4A4; --cover-bg: #5A4638;
    --warning: #F2B270; --warning-surface: #5A4030;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); }
a { color: var(--link); }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; margin: 0; }
h2 { font-size: 30px; margin-bottom: 14px; }
h3 { font-size: 22px; }
p { margin: 0 0 14px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; z-index: 10; background: var(--surface); padding: 8px 12px; border-radius: 12px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Header and footer */
.top { display: flex; align-items: center; gap: 12px; padding: 18px 0; }
.wordmark { display: flex; align-items: center; gap: 8px; font: 600 25px/1 var(--serif); color: var(--ink); text-decoration: none; margin-right: auto; }
.top-search { flex: 0 1 300px; }
.top-search input { width: 100%; }
.nav-link { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 15px; padding: 8px 4px; }
.pill { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; background: var(--accent); color: var(--on-accent); font: 700 15px/1 var(--sans); padding: 11px 16px; border-radius: 999px; white-space: nowrap; }
.pill.dark { background: var(--card); color: var(--on-card); }
.pill.ghost { background: rgba(255,255,255,.14); color: var(--on-card); }
.foot { margin-top: 56px; padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--secondary); font-size: 14px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 10px; }
.foot a { color: var(--secondary); }
.foot p { margin: 0 0 6px; max-width: 70ch; }

/* Inputs */
input[type=search] { appearance: none; border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 11px 18px; font: 16px/1.2 var(--sans); }
input[type=search]:focus { outline: none; border-color: var(--card); box-shadow: 0 0 0 3px var(--chip); }
.search-big { display: flex; gap: 8px; max-width: 560px; margin-top: 22px; }
.search-big input { flex: 1; padding: 15px 20px; font-size: 17px; }
.search-big button { appearance: none; border: 0; cursor: pointer; background: var(--accent); color: var(--on-accent); font: 700 16px/1 var(--sans); padding: 0 22px; border-radius: 999px; }

/* Cards and sections */
.hero { position: relative; background: var(--card); color: var(--on-card); border-radius: 28px; padding: 36px 32px; overflow: hidden; }
.hero .eyebrow { margin: 0 0 10px; font: 700 13px/1 var(--sans); letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); }
.hero h1 { font-size: 46px; max-width: 18ch; }
.hero .lede { margin: 14px 0 0; max-width: 46ch; color: var(--on-card-muted); font-size: 18px; }
.hero .buddy { position: absolute; right: 28px; bottom: 22px; }
.panel { background: var(--surface); border-radius: var(--radius); padding: 26px; margin-top: 16px; }
.section { margin-top: 44px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.section-head h2 { margin: 0; }
.muted { color: var(--secondary); }
.small { font-size: 14px; }
.crumbs { font-size: 14px; color: var(--secondary); margin: 4px 0 14px; }
.crumbs a { color: var(--secondary); }

/* Book hero */
.book-hero { display: grid; grid-template-columns: 220px 1fr; gap: 32px; align-items: end; }
.book-hero .cover { border-radius: 10px; box-shadow: 0 18px 40px rgba(0,0,0,.28); }
.book-hero h1 { font-size: 48px; }
.book-hero .subtitle { font: 500 22px/1.25 var(--serif); color: var(--on-card-muted); margin: 6px 0 0; }
.book-hero .byline { margin: 12px 0 0; font-weight: 700; }
.book-hero .facts { margin: 4px 0 0; color: var(--on-card-muted); font-size: 15px; }
.book-hero .vibe { margin: 18px 0 0; font: italic 500 23px/1.35 var(--serif); color: var(--on-card); max-width: 40ch; }
.book-hero .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.book-body { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 16px; align-items: start; }
.book-body .panel { margin-top: 16px; }
.feel { font-size: 18px; }
.traits { display: grid; gap: 16px; margin: 0; }
.traits dt { font: 700 13px/1 var(--sans); letter-spacing: 1.2px; text-transform: uppercase; color: var(--secondary); margin-bottom: 6px; }
.traits dd { margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; list-style: none; }
.chip { display: inline-block; padding: 6px 12px; border-radius: 999px; background: var(--chip); color: var(--on-chip); font-weight: 700; font-size: 14px; line-height: 1.3; }
.chip.on-card { background: rgba(255,255,255,.14); color: var(--on-card); }
details.notes summary { cursor: pointer; font-weight: 700; }
details.notes[open] summary { margin-bottom: 10px; }
.description p:last-child { margin-bottom: 0; }
.source { font-size: 13px; color: var(--secondary); margin: 10px 0 0; }

/* Buying */
.buy { position: sticky; top: 16px; }
.buy h2 { font-size: 26px; }
.buy ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.buy a { display: flex; align-items: center; justify-content: space-between; gap: 10px; text-decoration: none; background: var(--bg); color: var(--ink); border-radius: 16px; padding: 13px 16px; font-weight: 700; }
.buy a:hover { background: var(--chip); color: var(--on-chip); }
.buy a .where { font-weight: 400; color: var(--secondary); font-size: 14px; }
.buy .disclosure { font-size: 13px; color: var(--secondary); margin: 12px 0 0; }
.isbn { font-size: 13px; color: var(--secondary); margin: 10px 0 0; }

/* Grids */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 22px 18px; padding: 0; margin: 0; list-style: none; }
.card { display: block; text-decoration: none; color: var(--ink); }
.card .cover { border-radius: 8px; box-shadow: 0 6px 16px rgba(0,0,0,.12); transition: transform .15s ease-out; }
.card:hover .cover { transform: translateY(-3px); }
.card .t { display: block; margin-top: 10px; font: 600 18px/1.2 var(--serif); }
.card .a { display: block; margin-top: 3px; font-size: 14px; color: var(--secondary); }
.card .v { display: block; margin-top: 6px; font-size: 14px; line-height: 1.45; }
.cover { width: 100%; height: auto; aspect-ratio: 2 / 3; object-fit: contain; background: var(--cover-bg); }
.cover.blank { display: flex; align-items: center; justify-content: center; padding: 12px; text-align: center; font: 600 16px/1.2 var(--serif); color: var(--secondary); }

/* Lists of books with reasons ("books like") */
.rows { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.row { display: grid; grid-template-columns: 96px 1fr; gap: 20px; background: var(--surface); border-radius: var(--radius); padding: 18px; }
.row .n { font: 700 13px/1 var(--sans); color: var(--secondary); letter-spacing: 1px; }
.row h3 { margin: 6px 0 2px; }
.row h3 a { color: var(--ink); text-decoration: none; }
.row h3 a:hover { text-decoration: underline; }
.row .a { color: var(--secondary); font-size: 15px; margin: 0 0 8px; }
.row .shared { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 14px; color: var(--secondary); }

/* Awards */
.award-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.award-list a { display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: center; background: var(--surface); border-radius: var(--radius); padding: 16px; text-decoration: none; color: var(--ink); height: 100%; }
.award-list a:hover { box-shadow: 0 0 0 2px var(--chip); }
.award-list .name { font: 600 21px/1.15 var(--serif); }
.award-list .meta { font-size: 14px; color: var(--secondary); margin-top: 4px; }
.card .y { display: block; margin-top: 10px; font: 700 13px/1 var(--sans); letter-spacing: 1px; color: var(--secondary); }
.card .y + .t { margin-top: 4px; }
.badge { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: var(--on-accent); border-radius: 999px; padding: 5px 12px; font-weight: 700; font-size: 14px; text-decoration: none; }

/* App promo */
.promo { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; background: var(--accent); color: var(--on-accent); border-radius: 28px; padding: 30px 32px; margin-top: 44px; }
.promo h2 { margin-bottom: 8px; }
.promo p { margin: 0 0 16px; max-width: 52ch; }
.promo .pill { background: var(--on-accent); color: var(--accent); }

.empty { text-align: center; padding: 48px 16px; }
.empty .buddy { margin: 0 auto 16px; }

@media (max-width: 860px) {
  .book-body { grid-template-columns: 1fr; }
  .buy { position: static; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .top { flex-wrap: wrap; }
  .top .nav-link { display: none; }
  .top-search { order: 3; flex: 1 1 100%; }
  .book-hero .vibe { font-size: 20px; }
  .hero { padding: 28px 22px 32px; }
  .hero h1 { font-size: 36px; }
  .hero .buddy { display: none; }
  .book-hero { grid-template-columns: 1fr; gap: 20px; }
  .book-hero .cover { width: 150px; }
  .book-hero h1 { font-size: 36px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 14px; }
  .row { grid-template-columns: 72px 1fr; gap: 14px; padding: 14px; }
  .promo { grid-template-columns: 1fr; padding: 26px 22px; }
  .promo .buddy { display: none; }
  .panel { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) { .card .cover { transition: none; } }