:root {
  --bg: #0f1118;
  --bg-soft: #1a1d26;
  --ink: #f1f1f2;
  --ink-soft: #b9becd;
  --accent: #f1b96b;
  --accent-2: #70a4c8;
  --line: rgba(241, 241, 242, 0.12);
  --card: rgba(18, 21, 30, 0.9);
  --shadow: 0 22px 55px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, #1f2434 0%, var(--bg) 45%, #0a0c12 100%);
  min-height: 100vh;
  -webkit-user-select: none;
  user-select: none;
}

.orb {
  position: fixed;
  inset: -20vmin;
  background: radial-gradient(circle at 20% 20%, rgba(241, 185, 107, 0.18), transparent 50%),
              radial-gradient(circle at 80% 30%, rgba(112, 164, 200, 0.18), transparent 55%),
              radial-gradient(circle at 40% 80%, rgba(125, 94, 173, 0.18), transparent 60%);
  filter: blur(18px);
  z-index: -1;
}

.hero {
  padding: 54px 8vw 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}

.eyebrow {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}

h1,
h2,
h3 {
  font-family: "Cormorant Garamond", serif;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  margin: 0 0 12px;
}

.subtitle {
  margin: 0;
  color: var(--ink-soft);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.ghost,
.cta,
.read-btn,
.pager button {
  border-radius: 999px;
  padding: 10px 18px;
  font: inherit;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.cta,
.read-btn {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border: none;
  color: #0c0c10;
  font-weight: 700;
}

.shelf {
  margin: 16px 8vw 32px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px 24px;
  box-shadow: var(--shadow);
}

.support-panel {
  margin: 0 8vw 32px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.support-highlight {
  background: linear-gradient(120deg, rgba(241, 185, 107, 0.35), rgba(112, 164, 200, 0.35));
  border: 1px solid rgba(241, 241, 242, 0.22);
}

.support-title {
  margin: 0 0 6px;
}

.support-subtitle {
  margin: 0;
  color: var(--ink-soft);
}

.bmc-cta {
  border-radius: 999px;
  padding: 10px 18px;
  font: inherit;
  border: 1px solid rgba(241, 241, 242, 0.4);
  text-decoration: none;
  color: #0c0c10;
  background: #f7d796;
  font-weight: 700;
}

.shelf-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.shelf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.book-card {
  background: rgba(11, 14, 21, 0.9);
  border-radius: 20px;
  border: 1px solid rgba(241, 241, 242, 0.12);
  overflow: hidden;
  display: grid;
  grid-template-rows: 180px 1fr;
}

.link-card {
  text-decoration: none;
  color: inherit;
}

.book-cover {
  position: relative;
  padding: 18px;
  background: linear-gradient(140deg, rgba(241, 185, 107, 0.2), rgba(112, 164, 200, 0.3));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.book-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(10, 12, 18, 0.8);
  border: 1px solid rgba(241, 241, 242, 0.2);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
}

.cover-title h3 {
  margin: 0 0 6px;
}

.cover-title p {
  margin: 0;
  color: var(--ink-soft);
}

.book-meta {
  padding: 16px 18px 20px;
  display: grid;
  gap: 12px;
}

.read-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 40px;
  line-height: 1;
  padding: 10px 18px;
  width: 100%;
}

.label {
  margin: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.value {
  margin: 0;
}

.reader-shell {
  margin: 0 8vw 40px;
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 20px;
  align-items: start;
}

.sidebar {
  background: var(--card);
  border-radius: 24px;
  border: 1px solid var(--line);
  padding: 18px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
  align-content: start;
  position: sticky;
  top: 24px;
}

.sidebar-collapsed .sidebar {
  display: none;
}

.sidebar-collapsed .reader {
  grid-column: 1 / -1;
}

.series-info h2 {
  margin: 0 0 6px;
}

.chapter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.chapter-list {
  display: grid;
  gap: 10px;
}

.chapter-item {
  background: rgba(11, 14, 21, 0.9);
  border: 1px solid rgba(241, 241, 242, 0.12);
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 12px;
  text-align: left;
  cursor: pointer;
}

.chapter-item.active {
  background: linear-gradient(120deg, rgba(241, 185, 107, 0.35), rgba(112, 164, 200, 0.4));
  color: #0c0c10;
  font-weight: 700;
}

.reader {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}

.sidebar-toggle {
  display: none;
  position: fixed;
  left: 20px;
  bottom: 24px;
  z-index: 5;
}

.sidebar-collapsed .sidebar-toggle {
  display: inline-flex;
}

.reader-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  flex-wrap: wrap;
}

.reader-controls {
  display: grid;
  gap: 12px;
  min-width: 220px;
}

.control-group {
  display: grid;
  gap: 6px;
}

select {
  font: inherit;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(11, 14, 21, 0.9);
  color: var(--ink);
}

.pager {
  display: flex;
  align-items: center;
  gap: 8px;
}

.reader-body {
  margin-top: 18px;
}

.chapter-nav {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  justify-content: center;
}

.chapter-nav button {
  border-radius: 999px;
  padding: 10px 18px;
  font: inherit;
  border: 1px solid var(--line);
  background: rgba(11, 14, 21, 0.9);
  color: var(--ink);
  cursor: pointer;
}

.scroll-view {
  display: grid;
  gap: 16px;
}

.part-label {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(241, 241, 242, 0.18);
  width: fit-content;
  background: rgba(11, 14, 21, 0.7);
}

.scroll-view img,
.single-view img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(241, 241, 242, 0.12);
  background: #0b0d12;
}

.single-view {
  display: none;
  justify-content: center;
}

.single-view img {
  max-width: 100%;
  max-height: 80vh;
}

.footer {
  padding: 0 8vw 36px;
  color: var(--ink-soft);
}

.hidden {
  display: none;
}

@media (max-width: 1020px) {
  .reader-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .sidebar-toggle {
    left: 16px;
    bottom: 16px;
  }
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .support-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .shelf-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .pager {
    flex-wrap: wrap;
  }
}