/* 指印咖啡 · 文学馆阅读器样式
   复用 zhiyin_v4.css 变量体系：--zhiyin-green #3D6947 / --cream #F5F0E8 / --copper #8B6E4F
   风格：东方古典美学，宋风留白，金铜点缀 */

:root {
  --novel-bg: var(--cream, #F5F0E8);
  --novel-fg: #3A3226;
  --novel-accent: var(--zhiyin-green, #3D6947);
  --novel-copper: var(--copper, #8B6E4F);
  --novel-font-size: 18px;
  --novel-line-height: 2;
}

/* 夜间/护眼主题 */
body.novel-dark {
  --novel-bg: #2B2B28;
  --novel-fg: #D8D2C4;
}

body {
  background: var(--novel-bg);
  color: var(--novel-fg);
  transition: background 0.3s ease, color 0.3s ease;
}

/* ── 阅读器容器 ── */
.novel-reader {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.novel-header {
  text-align: center;
  padding: 32px 0 24px;
  border-bottom: 1px solid color-mix(in srgb, var(--novel-copper) 30%, transparent);
  margin-bottom: 28px;
}

.novel-back {
  display: inline-block;
  font-size: 14px;
  color: var(--novel-copper);
  text-decoration: none;
  margin-bottom: 12px;
}

.novel-back:hover { text-decoration: underline; }

.novel-title {
  font-family: var(--kaiti, serif);
  font-size: 28px;
  letter-spacing: 0.1em;
  color: var(--novel-accent);
  margin: 0 0 8px;
}

.novel-chapter-meta {
  font-size: 14px;
  color: var(--novel-copper);
}

/* ── 工具栏 ── */
.novel-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--novel-accent) 6%, transparent);
  position: sticky;
  top: 12px;
  z-index: 10;
  backdrop-filter: blur(6px);
}

.tool-btn {
  min-width: 36px;
  height: 36px;
  border: 1px solid color-mix(in srgb, var(--novel-copper) 40%, transparent);
  border-radius: 8px;
  background: transparent;
  color: var(--novel-fg);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tool-btn:hover {
  background: var(--novel-accent);
  color: #fff;
}

.tool-btn.active {
  background: var(--novel-accent);
  color: #fff;
}

.tool-sep {
  width: 1px;
  height: 20px;
  background: color-mix(in srgb, var(--novel-copper) 30%, transparent);
}

.tool-progress {
  font-size: 12px;
  color: var(--novel-copper);
  min-width: 44px;
  text-align: center;
}

/* ── 目录抽屉 ── */
.novel-toc {
  position: fixed;
  inset: 0 0 0 auto;
  width: 300px;
  max-width: 85vw;
  background: var(--novel-bg);
  border-left: 1px solid color-mix(in srgb, var(--novel-copper) 30%, transparent);
  box-shadow: -8px 0 24px rgba(0,0,0,0.15);
  padding: 20px 16px;
  overflow-y: auto;
  z-index: 100;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.novel-toc.open { transform: translateX(0); }

.toc-header {
  font-family: var(--kaiti, serif);
  font-size: 18px;
  color: var(--novel-accent);
  border-bottom: 1px solid color-mix(in srgb, var(--novel-copper) 30%, transparent);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.toc-list { list-style: none; padding: 0; margin: 0; }

.toc-list li { margin-bottom: 4px; }

.toc-list a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--novel-fg);
  text-decoration: none;
  font-size: 15px;
  transition: background 0.2s;
}

.toc-list a:hover { background: color-mix(in srgb, var(--novel-accent) 10%, transparent); }

.toc-list a.current {
  background: color-mix(in srgb, var(--novel-accent) 15%, transparent);
  color: var(--novel-accent);
  font-weight: 600;
}

/* ── 正文 ── */
.novel-body {
  font-size: var(--novel-font-size);
  line-height: var(--novel-line-height);
  letter-spacing: 0.02em;
  text-align: justify;
  transition: font-size 0.2s ease;
}

.novel-body p {
  margin: 0 0 1.2em;
  text-indent: 2em;
}

/* 金句卡片（.quote-card 由 js 标出，或作者手动加） */
.quote-card {
  margin: 2em 0;
  padding: 20px 24px;
  border-left: 4px solid var(--novel-copper);
  background: color-mix(in srgb, var(--novel-copper) 8%, transparent);
  font-family: var(--kaiti, serif);
  font-size: 1.05em;
  color: var(--novel-copper);
  text-indent: 0;
  border-radius: 0 12px 12px 0;
}

.quote-card::before {
  content: "❝";
  display: block;
  font-size: 1.6em;
  color: var(--novel-copper);
  opacity: 0.6;
  margin-bottom: 6px;
}

.quote-card .quote-source {
  display: block;
  margin-top: 8px;
  font-size: 0.85em;
  opacity: 0.7;
}

/* ── 翻页 ── */
.novel-pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid color-mix(in srgb, var(--novel-copper) 30%, transparent);
}

.pager-btn {
  flex: 1;
  text-align: center;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--novel-copper) 40%, transparent);
  color: var(--novel-fg);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
}

.pager-btn:hover { background: var(--novel-accent); color: #fff; }

.pager-btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ── 页脚 ── */
.novel-footer {
  text-align: center;
  margin-top: 32px;
  font-size: 13px;
  color: var(--novel-copper);
}

.novel-footer a { color: var(--novel-copper); }

/* ── 书目录页 ── */
.novel-book-page {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.book-desc {
  margin-top: 10px;
  font-size: 14px;
  color: var(--novel-copper);
  line-height: 1.8;
}

.novel-continue-book {
  margin: 18px 0;
  text-align: center;
}

.novel-continue-book a {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 10px;
  background: var(--novel-accent);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.novel-continue-book a:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(61, 105, 71, 0.3);
}

.book-chapter-list ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.book-chapter-list li { margin-bottom: 2px; }

.book-chapter-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 8px;
  color: var(--novel-fg);
  text-decoration: none;
  font-size: 15px;
  transition: background 0.2s;
}

.book-chapter-list a:hover { background: color-mix(in srgb, var(--novel-accent) 10%, transparent); }

.toc-no {
  font-size: 12px;
  color: var(--novel-copper);
  font-family: monospace;
  min-width: 28px;
}

.toc-title { letter-spacing: 0.04em; }

/* ── 文学馆首页 ── */
.novel-home {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.novel-home-header {
  text-align: center;
  padding: 40px 0 28px;
}

.novel-home-header h1 {
  font-family: var(--kaiti, serif);
  font-size: 36px;
  letter-spacing: 0.2em;
  color: var(--novel-accent);
  margin: 0 0 8px;
}

.novel-home-sub {
  font-size: 14px;
  color: var(--novel-copper);
  letter-spacing: 0.15em;
}

.novel-book-shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.novel-book-card {
  display: flex;
  gap: 14px;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--novel-copper) 25%, transparent);
  background: color-mix(in srgb, var(--novel-accent) 3%, transparent);
  text-decoration: none;
  color: var(--novel-fg);
  transition: all 0.25s;
}

.novel-book-card:hover {
  border-color: var(--novel-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(61, 105, 71, 0.12);
}

.book-card-cover {
  width: 76px;
  height: 104px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--novel-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}

.book-card-cover img { width: 100%; height: 100%; object-fit: cover; }

.book-card-info h3 {
  font-family: var(--kaiti, serif);
  font-size: 18px;
  color: var(--novel-accent);
  margin: 0 0 4px;
}

.book-card-author { font-size: 13px; color: var(--novel-copper); margin: 0 0 4px; }

.book-card-meta { font-size: 12px; color: var(--novel-copper); opacity: 0.8; margin: 0 0 6px; }

.book-card-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--novel-fg);
  opacity: 0.8;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-card-status {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  background: color-mix(in srgb, var(--novel-copper) 15%, transparent);
  color: var(--novel-copper);
}

.novel-continue {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid color-mix(in srgb, var(--novel-copper) 25%, transparent);
}

.novel-continue h2 {
  font-family: var(--kaiti, serif);
  font-size: 18px;
  color: var(--novel-accent);
  margin: 0 0 12px;
}

.continue-card {
  display: block;
  padding: 14px 18px;
  margin-bottom: 8px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--novel-accent) 8%, transparent);
  color: var(--novel-fg);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.2s;
}

.continue-card:hover { background: color-mix(in srgb, var(--novel-accent) 14%, transparent); }

.novel-loading, .novel-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--novel-copper);
  font-size: 14px;
}

/* ── 移动端 ── */
@media (max-width: 640px) {
  .novel-reader { padding: 16px 14px 60px; }
  .novel-title { font-size: 22px; }
  .novel-body { --novel-font-size: 17px; }
  .novel-toolbar { flex-wrap: wrap; }
}