:root {
  --ink: #0f1522;
  --ink-2: #141c2c;
  --paper: #eee6d4;
  --paper-dim: #a5a08f;
  --amber: #e2b04a;
  --amber-dim: #9a7a35;
  --card: #171f30;
  --line: #2b3950;
  --moss: #8fbf7f;
  --steel: #6cc3d9;
  --rose: #e09a8c;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ink);
  background-image: radial-gradient(ellipse at 50% -10%, #253247 0%, var(--ink) 60%);
  color: var(--paper);
  font-family: var(--serif);
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--amber); }
a:hover { color: #f0c06a; }

/* ---------- hero ---------- */
.hero {
  text-align: center;
  padding: 64px 24px 40px;
  border-bottom: 1px solid var(--line);
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4rem);
  margin: 0 0 12px;
  letter-spacing: .06em;
  font-weight: 600;
}
.hero h1::before, .hero h1::after { content: " ❦ "; color: var(--amber-dim); font-size: .55em; vertical-align: middle; }
.tagline {
  max-width: 620px;
  margin: 0 auto;
  color: var(--paper-dim);
  font-size: 1.05rem;
}
.tagline strong { color: var(--paper); }
.hero-links { margin-top: 14px; font-size: .95rem; }

.support {
  max-width: 560px;
  margin: 26px auto 4px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(226, 176, 74, .07);
}
.support p {
  margin: 0 0 14px;
  color: var(--paper-dim);
  font-size: .95rem;
}
.support .donate { font-size: 1rem; }

/* ---------- shelf ---------- */
main { max-width: 1180px; margin: 0 auto; padding: 40px 20px 60px; }

.series-label {
  grid-column: 1 / -1;
  margin: 18px 0 -6px;
  color: var(--amber);
  font-variant: small-caps;
  letter-spacing: .12em;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}
.series-label[data-shelf="Fantasy"] { color: var(--moss); }
.series-label[data-shelf="Science Fiction & Thrillers"] { color: var(--steel); }
.series-label[data-shelf="Westerns & Adventure"] { color: #d9b380; }
.series-label[data-shelf="Literary Fiction"] { color: var(--rose); }
.series-label .shelf-sub {
  font-variant: normal;
  letter-spacing: normal;
  font-style: italic;
  font-size: .85em;
  color: var(--paper-dim);
}

.shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 26px;
}

.book {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  text-align: left;
  color: inherit;
  text-decoration: none;
  font: inherit;
  display: flex;
  flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s;
}
.book:hover, .book:focus-visible {
  transform: translateY(-5px);
  box-shadow: 0 14px 32px rgba(0,0,0,.55);
  border-color: var(--amber-dim);
  outline: none;
}
.book img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  display: block;
  background: var(--ink-2);
}
.book .meta { padding: 12px 14px 14px; }
.book .meta h2 { font-size: 1.02rem; margin: 0 0 4px; line-height: 1.3; }
.book .meta .genre { color: var(--paper-dim); font-size: .84rem; margin: 0; }
.badges { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  font-size: .72rem;
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--amber-dim);
  color: var(--amber);
}
.badge.audio { background: var(--amber); color: var(--ink); font-weight: 600; }

/* ---------- modal ---------- */
.modal { position: fixed; inset: 0; z-index: 40; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(5,8,14,.8); backdrop-filter: blur(3px); }
.modal-card {
  position: relative;
  max-width: 780px;
  margin: 5vh auto;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,.7);
}
.modal-close {
  position: absolute; top: 10px; right: 14px;
  background: none; border: none; color: var(--paper-dim);
  font-size: 1.9rem; cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--paper); }

.detail { display: flex; gap: 26px; }
.detail img {
  width: 210px; flex-shrink: 0; border-radius: 4px;
  border: 1px solid var(--line); align-self: flex-start;
}
.detail h2 { margin: 0 0 2px; font-size: 1.6rem; line-height: 1.25; }
.detail .series { color: var(--amber); font-size: .92rem; margin: 0 0 8px; font-variant: small-caps; letter-spacing: .08em; }
.detail .facts { color: var(--paper-dim); font-size: .9rem; margin: 0 0 14px; }
.detail .blurb { margin: 0 0 18px; }

.dl-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 5px;
  text-decoration: none;
  font-size: .95rem;
  border: 1px solid var(--amber-dim);
  color: var(--amber);
}
.btn.primary { background: var(--amber); color: var(--ink); font-weight: 700; border-color: var(--amber); }
.btn.primary:hover { background: #f0c06a; }
.btn:hover { border-color: var(--amber); }
.dl-note { color: var(--paper-dim); font-size: .8rem; margin: 4px 0 0; }

.audio-section { margin-top: 22px; border-top: 1px solid var(--line); padding-top: 14px; }
.audio-section h3 { margin: 0 0 4px; font-size: 1.1rem; color: var(--paper); }
.resume-row { margin: 4px 0 12px; }
.resume-row .btn { font: inherit; font-size: .92rem; cursor: pointer; }
.audio-section .dl-note { margin-bottom: 10px; }
.chapters { list-style: none; margin: 0; padding: 0; }
.chapters li {
  display: flex; align-items: center; gap: 12px;
  padding: 7px 0; border-bottom: 1px dotted var(--line);
  font-size: .92rem;
}
.chapters .ch-name { flex: 0 0 7.5em; }
.chapters audio { flex: 1; min-width: 140px; height: 32px; }
.chapters .ch-dl { white-space: nowrap; font-size: .85rem; }

/* ---------- about ---------- */
.about {
  max-width: 720px;
  margin: 20px auto 0;
  padding: 28px 20px 8px;
  border-top: 1px solid var(--line);
  color: var(--paper-dim);
}
.about h2 {
  color: var(--paper);
  font-size: 1.25rem;
  font-variant: small-caps;
  letter-spacing: .1em;
  margin: 0 0 10px;
}
.about p { margin: 0 0 14px; }
.about strong { color: var(--paper); font-weight: 600; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 30px 24px 44px;
  text-align: center;
  color: var(--paper-dim);
  font-size: .9rem;
}
footer p { max-width: 640px; margin: 8px auto; }
footer .home-link { margin-top: 18px; padding-top: 14px; border-top: 1px dotted var(--line); font-size: .95rem; }
footer .stats { color: var(--amber-dim); font-variant: small-caps; letter-spacing: .06em; }

/* ---------- static book pages (b/<slug>.html) ---------- */
.crumb {
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  color: var(--paper-dim);
  font-size: .95rem;
}
.crumb a { text-decoration: none; }
.page { max-width: 820px; margin: 0 auto; padding: 36px 20px 60px; }
.page h1 { font-size: 1.9rem; margin: 0 0 2px; line-height: 1.25; }
.page .detail img { width: 240px; }
.page section h2 { font-size: 1.25rem; margin: 0 0 8px; }
.page .audio-section { margin-top: 30px; border-top: 1px solid var(--line); padding-top: 18px; }
.excerpt { margin-top: 30px; border-top: 1px solid var(--line); padding-top: 18px; }
.excerpt p { margin: 0 0 1em; }
.excerpt p:nth-last-child(2) {
  -webkit-mask-image: linear-gradient(#000 30%, transparent);
  mask-image: linear-gradient(#000 30%, transparent);
}
.excerpt-cta { text-align: center; margin-top: 6px; }
.book-nav {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 36px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: .95rem;
}

@media (max-width: 620px) {
  .detail { flex-direction: column; }
  .detail img { width: 160px; }
  .modal-card { margin: 3vh 12px; padding: 20px; }
  .chapters li { flex-wrap: wrap; }
}