/* 前传《下塘月光》暗色主题 */
body.prequel {
  --bg-color: #141419;
  --text-color: #c8c8c8;
  --accent-color: #6b7b8d;
  --hover-color: #8fa4b8;
  --border-color: #2a2a33;
  --shadow-color: rgba(0,0,0,0.3);
  --card-bg: #1c1c24;
}

body.prequel {
  background-color: var(--bg-color);
  color: var(--text-color);
}

body.prequel .chapter-header {
  border-bottom-color: var(--border-color);
}

body.prequel .chapter-header h1 {
  color: #e0e0e0;
}

body.prequel .chapter-list a {
  background: var(--card-bg);
  box-shadow: 0 2px 8px var(--shadow-color);
}

body.prequel .chapter-list a:hover {
  background: var(--accent-color);
  color: #141419;
}

body.prequel .chapter-list a:hover .chapter-num {
  color: rgba(20,20,25,0.6);
}

body.prequel .chapter-list .chapter-num {
  color: var(--accent-color);
}

body.prequel .nav {
  border-top-color: var(--border-color);
}

body.prequel .nav a {
  color: var(--accent-color);
}

body.prequel .nav a:hover {
  color: var(--hover-color);
}

body.prequel .footer {
  border-top-color: var(--border-color);
  color: var(--accent-color);
}

/* R18 切换按钮 */
.r18-toggle-wrap {
  text-align: center;
  padding: 40px 0 20px;
}

.r18-toggle {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  padding: 10px 32px;
  font-size: 0.85rem;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  border-radius: 4px;
}

.r18-toggle:hover {
  background: var(--accent-color);
  color: #141419;
}

.r18-toggle.back {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.r18-toggle.back:hover {
  background: var(--accent-color);
  color: #141419;
}

/* R18版头部 */
.r18-head {
  text-align: center;
  padding: 20px 0 30px;
}

.r18-head h2 {
  font-size: 1.2rem;
  font-weight: 500;
  color: #7a2020;
  letter-spacing: 4px;
}

.r18-head .r18-sub {
  font-size: 0.8rem;
  color: #5a1a1a;
  margin-top: 8px;
  letter-spacing: 1px;
}

/* 弹窗遮罩 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-box {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  padding: 48px 40px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  border-radius: 8px;
}

.modal-icon {
  font-size: 2rem;
  font-weight: 700;
  color: #7a2020;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.modal-box h2 {
  font-size: 1.1rem;
  color: #c0c0c0;
  margin-bottom: 12px;
  letter-spacing: 2px;
  font-weight: 500;
}

.modal-box p {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.8;
  margin-bottom: 28px;
}

.modal-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-btn {
  padding: 12px 24px;
  font-size: 0.85rem;
  letter-spacing: 2px;
  cursor: pointer;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.modal-btn.confirm {
  background: #7a2020;
  color: #fff;
}

.modal-btn.confirm:hover {
  background: #9a3030;
}

.modal-btn.cancel {
  background: transparent;
  color: #666;
  border: 1px solid #333;
}

.modal-btn.cancel:hover {
  color: #999;
  border-color: #555;
}

/* R18列表覆盖样式 */
body.r18 .r18-toggle {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

body.r18 .r18-toggle:hover {
  background: var(--accent-color);
  color: #080808;
}

body.r18 .chapter-list a:hover .chapter-num {
  color: var(--accent-color);
}

body.prequel .chapter-content p em {
  display: block;
  color: #8a9aaa;
  font-style: italic;
  font-size: 0.95rem;
  margin: 1.5em 0;
  text-indent: 0;
  padding: 0 1em;
  border-left: 2px solid var(--border-color);
}




/* 前传首页 Hero 区域 - 暗色主题 */
body.prequel .hero {
  text-align: center;
  padding: 80px 20px 60px;
  background: linear-gradient(180deg, #1a1a22 0%, var(--bg-color) 100%);
}

body.prequel .hero h1 {
  font-size: 2.5rem;
  font-weight: 600;
  color: #e0e0e0;
  margin-bottom: 20px;
  letter-spacing: 4px;
}

body.prequel .hero .hook {
  font-size: 1.15rem;
  color: #b8c4d0;
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 2px;
  line-height: 1.8;
}

body.prequel .hero .hook-sub {
  font-size: 0.9rem;
  color: var(--accent-color);
  line-height: 2;
  letter-spacing: 1px;
  max-width: 520px;
  margin: 0 auto;
}

body.prequel .hero .back-link {
  margin-top: 28px;
  font-size: 0.85rem;
}

body.prequel .hero .back-link a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s;
}

body.prequel .hero .back-link a:hover {
  color: var(--hover-color);
}