/* RtL 公式漫画ビュワー */
:root {
  --bg: #0a0a0a;
  --bg-alt: #141414;
  --text: #efefef;
  --text-faint: #888;
  --accent: #ffd700;
  --border: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif; }
body { min-height: 100vh; }

a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }

/* ── header ── */
.manga-header {
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 10;
}
.manga-header .back {
  font-size: 14px;
  color: var(--text-faint);
}
.manga-header .brand {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ── main ── */
.manga-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.series-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 8px;
  letter-spacing: 0.02em;
}
@media (max-width: 600px) { .series-title { font-size: 22px; } }
.series-tagline {
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
  margin: 0 0 40px;
  letter-spacing: 0.05em;
}

/* ── episode list ── */
.episode-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 0;
}
.episode-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.12s, border-color 0.12s;
}
.episode-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}
.episode-card a {
  display: block;
}
.episode-card img {
  width: 100%;
  height: auto;
  display: block;
  border-bottom: 1px solid var(--border);
}
.episode-meta {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.episode-no {
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.1em;
}
.episode-title {
  font-size: 18px;
  font-weight: 600;
}
.episode-state {
  font-size: 12px;
  color: var(--accent);
  margin-top: 4px;
}
.episode-card-pending {
  opacity: 0.4;
  cursor: not-allowed;
}
.episode-card-pending .episode-state { color: var(--text-faint); }
.episode-card-pending:hover {
  transform: none;
  border-color: var(--border);
}

/* ── reader ── */
.episode-reader[hidden] { display: none; }

.reader-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.reader-close, .reader-pdf {
  font-size: 14px;
  color: var(--text-faint);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
}
.reader-close:hover, .reader-pdf:hover { color: var(--accent); }

.reader-pages {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.reader-pages img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  background: #000;
}

.reader-end {
  text-align: center;
  margin: 48px auto 0;
  padding: 32px 16px;
  border-top: 1px solid var(--border);
}
.reader-end p {
  color: var(--text-faint);
  margin: 0 0 24px;
  font-size: 14px;
  letter-spacing: 0.05em;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  transition: opacity 0.12s;
}
.btn-primary:hover { opacity: 0.85; color: #000; }

/* ── footer ── */
.manga-footer {
  border-top: 1px solid var(--border);
  padding: 32px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-faint);
}
.manga-footer nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 12px;
}