* { box-sizing: border-box; }
:root {
  color-scheme: light;
  --ink: #1d1b18;
  --muted: #675f56;
  --paper: #f3d567;
  --panel: #fff8df;
  --line: #d7b85c;
  --accent: #9b2f28;
  --accent-2: #176b70;
  --soft: #ecd07c;
  --shadow: 0 18px 48px rgba(40, 32, 24, .16);
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}
a { color: inherit; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 48px);
  background: rgba(243, 213, 103, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.brand { font-weight: 700; text-decoration: none; font-size: 18px; }
nav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
nav a { text-decoration: none; color: var(--muted); padding: 6px 8px; }
nav a:hover { color: var(--accent); }
main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.hero {
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  padding: clamp(28px, 5vw, 64px) 0;
}
.cover-wrap img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  display: block;
  box-shadow: var(--shadow);
}
.eyebrow {
  margin: 0 0 10px;
  font: 700 13px/1.2 Arial, sans-serif;
  text-transform: uppercase;
  color: var(--accent-2);
}
h1, h2, h3 { line-height: 1.08; margin: 0; font-weight: 700; }
h1 { font-size: clamp(42px, 7vw, 84px); max-width: 820px; }
h2 { font-size: clamp(28px, 4vw, 48px); }
h3 { font-size: 18px; }
.lede { max-width: 680px; font-size: clamp(18px, 2.1vw, 24px); color: #3c3833; margin: 24px 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  text-decoration: none;
  font: 700 15px/1 Arial, sans-serif;
}
.primary { background: var(--accent); color: #fff; }
.secondary { color: var(--accent); background: transparent; }
.meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0 0;
  max-width: 720px;
}
.meta div, .intro aside, .track, .reader-chapter, .preview-player, .playlist-player {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.meta div { padding: 14px; }
dt { font: 700 12px/1.2 Arial, sans-serif; color: var(--muted); text-transform: uppercase; margin-bottom: 5px; }
dd { margin: 0; }
.intro, .preview-player {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 28px;
  align-items: start;
  padding: 24px;
  margin: 10px 0 48px;
}
.intro p, .section-head p { color: var(--muted); font-size: 18px; max-width: 760px; }
.note-title { margin: 0 0 6px; font: 700 13px/1.2 Arial, sans-serif; color: var(--accent); text-transform: uppercase; }
.preview-player iframe, .track iframe {
  width: 100%;
  border: 0;
  border-radius: 6px;
  background: var(--soft);
}
.preview-player iframe { height: 90px; }
.section-head { padding: 34px 0 18px; }
.playlist-player {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  margin-bottom: 48px;
}
.audio-shell {
  display: grid;
  align-content: start;
  gap: 12px;
}
.now-label {
  margin: 0;
  font: 700 12px/1.2 Arial, sans-serif;
  color: var(--accent-2);
  text-transform: uppercase;
}
.audio-shell audio { width: 100%; }
.autoplay-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font: 14px/1.35 Arial, sans-serif;
}
.playlist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-height: 520px;
  overflow: auto;
  padding-right: 4px;
}
.playlist button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fffdf2;
  color: var(--ink);
  cursor: pointer;
  font: 700 15px/1.2 Arial, sans-serif;
  text-align: left;
}
.playlist button:hover, .playlist button.active {
  border-color: var(--accent);
  background: #ffffff;
}
.playlist button span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--soft);
  color: var(--accent);
  font-size: 13px;
}
.track-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.track { padding: 16px; min-width: 0; }
.track-head { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 12px; align-items: center; margin-bottom: 12px; }
.track-head span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--soft);
  color: var(--accent);
  font: 700 14px/1 Arial, sans-serif;
}
.track h3 { overflow-wrap: anywhere; }
.track iframe { height: 86px; }
.reader { display: grid; gap: 12px; padding-bottom: 56px; }
.reader-chapter summary {
  cursor: pointer;
  padding: 18px 20px;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.reader-chapter summary span { font: 400 13px/1.5 Arial, sans-serif; color: var(--muted); white-space: nowrap; }
.chapter-text { padding: 0 20px 22px; max-width: 820px; }
.chapter-text p { margin: 0 0 14px; font-size: 19px; }
.comments-invite {
  max-width: 820px;
  margin: 0 0 58px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.comments-invite p {
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 18px;
}
footer { border-top: 1px solid var(--line); color: var(--muted); padding: 28px clamp(18px, 4vw, 48px); }
.author-hero {
  min-height: 58vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 390px);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
  padding: clamp(42px, 8vw, 96px) 0 38px;
}
.author-photo {
  margin: 0;
  width: 100%;
}
.author-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.author-section { margin-top: 0; }
.book-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 46px;
}
.book-list article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}
.book-list span {
  display: block;
  margin-bottom: 7px;
  font: 700 12px/1.2 Arial, sans-serif;
  color: var(--accent-2);
  text-transform: uppercase;
}
.book-list.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 820px) {
  .topbar { align-items: flex-start; flex-direction: column; gap: 8px; }
  .hero, .intro, .preview-player, .playlist-player, .track-grid, .author-hero, .book-list, .book-list.compact { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .cover-wrap { max-width: 340px; }
  .meta { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  main { width: min(100% - 24px, 1180px); }
  h1 { font-size: 38px; }
  .intro, .preview-player, .playlist-player, .track, .reader-chapter summary, .chapter-text { padding-left: 14px; padding-right: 14px; }
  .playlist { grid-template-columns: 1fr; }
  .track-head { grid-template-columns: 36px minmax(0, 1fr); }
  .track-head span { width: 36px; height: 36px; }
}