/* Magazine article reader — adapted from Book Page Reader */
:root {
  --paper: #faf7f0;
  --paper-edge: #efeadd;
  --ink: #2a241d;
  --ink-soft: #6b6258;
  --rule: #d8d0bf;
  --accent: #8a3a1f;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--paper-edge); }
body {
  color: var(--ink);
  font-family: Georgia, "Iowan Old Style", "Times New Roman", Times, serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a { color: var(--accent); }

/* --- Language bar --- */
.lang-bar {
  background: #fff;
  border-bottom: 1px solid var(--rule);
  padding: 0.45rem 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.7rem;
  line-height: 1.5;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 10;
}
.lang-bar-label {
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin: 0 0.25rem;
}
.lang-bar a {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  margin: 0 0.1rem;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
}
.lang-bar a:hover { color: var(--accent); }
.lang-bar a.lang-current {
  color: var(--accent);
  font-weight: 700;
}

.reader-shell {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem) clamp(0.75rem, 3vw, 2rem);
}

.reader-page {
  background: var(--paper);
  width: 100%;
  max-width: 42rem;
  padding: clamp(1.75rem, 5vw, 3.5rem) clamp(1.25rem, 5vw, 3.5rem);
  border: 1px solid var(--rule);
  box-shadow: 0 24px 60px -32px rgba(40, 30, 20, 0.25);
}

/* --- Article header --- */
.article-header {
  text-align: center;
  margin-bottom: 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.article-eyebrow {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.75rem;
}
.article-title {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.005em;
  line-height: 1.15;
}
.article-meta {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0.6rem 0 0;
}

/* --- Prose (magazine body) --- */
.prose {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.75;
}
.prose p { margin: 0 0 1.25rem; }
.prose p:first-child::first-letter {
  font-size: 3.5em;
  float: left;
  line-height: 0.9;
  padding: 0.1em 0.1em 0 0;
  font-weight: 500;
  color: var(--accent);
}
.prose h2 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin: 2em 0 0.5em;
  line-height: 1.3;
}
.prose h3 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 1.75em 0 0.5em;
  line-height: 1.3;
}
.prose strong { color: var(--ink); }
.prose em { font-style: italic; }
.prose blockquote {
  border-left: 2px solid var(--accent);
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  font-style: italic;
  color: var(--ink-soft);
}
.prose hr {
  border: none;
  border-top: 1px dotted var(--rule);
  margin: 2rem 0;
}

/* --- Article navigation --- */
.article-nav {
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
}
.nav-row-primary {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.75rem;
  align-items: stretch;
}
.nav-button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: #f4efe1;
  border: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  min-height: 3.5rem;
}
.nav-button:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.nav-next { justify-content: flex-end; text-align: right; }
.nav-prev { justify-content: flex-start; text-align: left; }
.nav-arrow {
  font-size: 1.4rem;
  font-family: Georgia, serif;
  flex-shrink: 0;
}
.nav-label { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.nav-kicker {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.7;
}
.nav-target {
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 0.15rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 14ch;
}
.nav-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: transparent;
}
.nav-disabled:hover {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}
.article-counter {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.85rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--ink-soft);
  font-size: 0.88rem;
  gap: 0.3rem;
}
.article-counter-num { color: var(--ink); font-weight: 600; font-size: 1rem; }
.article-counter-sep { opacity: 0.5; }

.nav-row-secondary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}
.link-secondary {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}
.link-secondary:hover { color: var(--accent); }
.link-secondary.strong { color: var(--ink); font-weight: 500; }
.link-secondary.disabled { opacity: 0.35; pointer-events: none; }

/* --- TOC (Index page) --- */
.toc-header { text-align: center; margin-bottom: 2.5rem; }
.toc-book-title {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}
.toc-subtitle {
  font-style: italic;
  color: var(--ink-soft);
  margin-top: 0.75rem;
  font-size: 1.125rem;
}
.toc-section { border-top: 1px solid var(--rule); padding-top: 2rem; }
.toc-heading {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
  text-align: center;
  font-weight: 500;
}
.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-item { border-top: 1px dotted var(--rule); }
.toc-item:first-child { border-top: none; }
.toc-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0.25rem;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.toc-link:hover { color: var(--accent); background: #f4efe1; }
.toc-num {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.toc-art-title { font-size: 1.1rem; }
.toc-cta {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.toc-meta {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0;
}
.primary-button {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.85rem 1.75rem;
  text-decoration: none;
  transition: background 0.15s;
}
.primary-button:hover { background: var(--accent); }

/* --- RTL support --- */
[dir="rtl"] .prose blockquote {
  border-left: none;
  border-right: 2px solid var(--accent);
  padding: 0.25rem 1.25rem 0.25rem 0;
}
[dir="rtl"] .nav-prev { justify-content: flex-end; text-align: right; }
[dir="rtl"] .nav-next { justify-content: flex-start; text-align: left; }
[dir="rtl"] .nav-button { flex-direction: row-reverse; }

@media (max-width: 540px) {
  .nav-row-primary { grid-template-columns: 1fr 1fr; }
  .article-counter { grid-column: 1 / -1; order: -1; padding-bottom: 0.25rem; }
  .nav-target { max-width: 10ch; }
  .lang-bar { font-size: 0.62rem; }
  .lang-bar a { padding: 0.15rem 0.25rem; margin: 0; }
}