:root {
  --paper: #f5efe4;
  --paper-2: #fffdf8;
  --ink: #1d1d1b;
  --ink-soft: #5a554a;
  --line: #d9cfbb;
  --accent: #17494d;
  --accent-soft: #e6f2f3;
  --tag: #efe6d5;
  --danger: #8d2b2b;
  --radius-lg: 1rem;
  --radius-md: 0.72rem;
  --shadow: 0 18px 36px rgba(56, 44, 29, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", serif;
  background:
    radial-gradient(circle at 10% 12%, rgba(201, 160, 95, 0.2) 0%, transparent 42%),
    radial-gradient(circle at 84% 18%, rgba(88, 130, 122, 0.2) 0%, transparent 38%),
    linear-gradient(180deg, #f3ecde 0%, #f7f2e8 45%, #f3f0e8 100%);
  min-height: 100dvh;
}

h1,
h2,
h3,
h4 {
  font-family: "Avenir Next Condensed", "Gill Sans", "Noto Sans SC", sans-serif;
  letter-spacing: 0.01em;
}

a {
  color: var(--accent);
}

.site-shell {
  width: min(1020px, calc(100% - 2rem));
  margin: 1.2rem auto 2rem;
  display: grid;
  gap: 0.95rem;
}

.hero {
  background: linear-gradient(132deg, rgba(255, 255, 255, 0.82), rgba(247, 240, 227, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.brand {
  margin: 0;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.hero h1 {
  margin: 0.2rem 0 0;
  font-size: clamp(1.46rem, 2.8vw, 2.05rem);
}

.hero p {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
}

.hero-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.hero-nav a {
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-2);
  color: #2d2a24;
  padding: 0.35rem 0.82rem;
  font-size: 0.9rem;
}

.hero-nav a:hover {
  border-color: #94b8bb;
}

.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  padding: 1rem 1.15rem;
}

.card h2 {
  margin: 0 0 0.5rem;
}

.list {
  display: grid;
  gap: 0.72rem;
}

.item {
  border: 1px solid rgba(217, 207, 187, 0.7);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  padding: 0.72rem 0.8rem;
}

.item h3 {
  margin: 0;
  font-size: 1.05rem;
}

.item p {
  margin: 0.42rem 0 0;
  color: var(--ink-soft);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  align-items: center;
  margin-top: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid #d9ccb2;
  background: var(--tag);
  color: #493d2f;
  padding: 0.12rem 0.5rem;
  font-size: 0.78rem;
  text-decoration: none;
}

.tag:hover {
  border-color: #b8aa8d;
}

.link-pill {
  border-radius: 999px;
  border: 1px solid #9fc0c4;
  background: var(--accent-soft);
  color: #17494d;
  padding: 0.12rem 0.5rem;
  font-size: 0.78rem;
}

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.92rem;
  gap: 0.6rem;
}

.pager a {
  text-decoration: none;
}

.article-title {
  margin: 0;
  font-size: clamp(1.45rem, 2.6vw, 2rem);
}

.article-body {
  margin-top: 0.9rem;
  line-height: 1.72;
  color: #272521;
}

.article-body h1,
.article-body h2,
.article-body h3 {
  margin: 1.2rem 0 0.48rem;
}

.article-body pre {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid #d4d6de;
  background: #f5f8fc;
  padding: 0.75rem 0.85rem;
}

.article-body blockquote {
  margin: 0.8rem 0;
  padding: 0.1rem 0 0.1rem 0.9rem;
  border-left: 3px solid #95b7ba;
  color: #3e4f51;
}

.timeline-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0.9rem;
}

.books-grid {
  display: grid;
  gap: 0.68rem;
}

.book-row {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  align-items: center;
  border: 1px solid rgba(217, 207, 187, 0.7);
  border-radius: var(--radius-md);
  background: var(--paper-2);
  padding: 0.66rem 0.74rem;
}

.book-row p {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
}

.chapter-nav {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.error-card {
  border: 1px solid #e8b7b7;
  background: #fff6f6;
  color: var(--danger);
  border-radius: var(--radius-md);
  padding: 0.8rem;
}

.loading {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .timeline-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-shell {
    width: min(1020px, calc(100% - 1rem));
  }
  .hero,
  .card {
    padding: 0.9rem;
  }
  .hero-nav a {
    padding: 0.35rem 0.66rem;
  }
}