:root {
  --bg: #faf8f5;
  --fg: #2b2b2b;
  --muted: #888;
  --accent: #8a5a2b;
  --line: #e0d8cc;
  --bar-bg: rgba(250, 248, 245, 0.9);
  --danger: #c0392b;
}

body.night {
  --bg: #1a1a1a;
  --fg: #c9c9c9;
  --muted: #888;
  --accent: #c9a06a;
  --line: #333;
  --bar-bg: rgba(26, 26, 26, 0.9);
  --danger: #e74c3c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0 auto;
  padding: 0 16px 40px;
  max-width: 720px;
  background: var(--bg);
  color: var(--fg);
  font: 18px/1.9 "Georgia", "Songti SC", "SimSun", serif;
  transition: background .3s, color .3s;
}

.icon {
    width: 1.5em;
    height: 1.5em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}
@font-face {
  font-family: speak1;
  src: url(../../fonts/FontsLab-FuGuShouJi-2.ttf);
  font-display: swap;
}
@font-face {
  font-family: speak3;
  src: url(../../fonts/zaozigongfanghaidaoshaonianti.otf);
  font-display: swap;
}

/* 美化滚动条 */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(150, 150, 150, 0.2);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ===== 顶部阅读进度线 ===== */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent);
  width: 0%;
  z-index: 100;
  transition: width 0.1s;
}

/* ===== 顶部工具栏 ===== */
.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 8px;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  background: var(--bar-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.toolbar-right {
  display: flex;
  gap: 8px;
}

.toolbar button {
  padding: 6px 12px;
  font-size: 16px;
  cursor: pointer;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: all .2s;
  font-family: "speak3";
}

.toolbar button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 隐藏的返回按钮 */
#topBack {
  display: none;
}

#topBack.show {
  display: block;
}

/* ===== 首页头部信息 ===== */
.book-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin: 24px 0 32px;
  font-family: "speak1";
}

.book-info h1 {
  font-size: 26px;
  margin: 0 0 8px;
  letter-spacing: 1px;
}

.book-info .subtitle {
  color: var(--muted);
  font-size: 14px;
}

/* 清空记录按钮 */
#btnClear {
  font-size: 15px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all .2s;
  font-family: "speak3";
}

#btnClear:hover {
  color: var(--danger);
  border-color: var(--danger);
}

/* ===== 目录列表 ===== */
#toc {
  list-style: none;
  padding: 0;
  margin: 0;
}

#toc li {
  padding: 14px 8px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background .2s, padding-left .2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-family: "speak3";
  font-size: 1.2rem;
}

#toc li:hover {
  background: rgba(138, 90, 43, .06);
  padding-left: 16px;
  color: var(--accent);
}

/* 目录里的进度标签 */
.toc-progress {
  font-size: 12px;
  color: var(--muted);
  background: var(--line);
  padding: 2px 8px;
  border-radius: 12px;
  white-space: nowrap;
  font-family: "speak2";
}

.toc-progress.done {
  color: #fff;
  background: var(--accent);
}

/* ===== 阅读区 ===== */
#reader {
  padding-top: 16px;
  position: relative;
}

#chapterTitle {
  font-size: 2.2rem;
  margin: 16px 0 32px;
  text-align: center;
  color: var(--accent);
  font-weight: normal;
  font-family: "speak3";
}

#content {
  animation: fadeIn .4s ease both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 正文排版 */
h2{
  font-family: "speak1";
}
/* 重点：隐藏正文模板里自带的 h2 标题，防止重复 */
  #content h2 {
    display: none !important;
  }

#content p {
  margin: 0 0 1em;
  text-indent: 2em;
  line-height: 1.9;
  text-align: justify;
  font-family: "speak1";
}

/* 底部翻页栏 */
.bar {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  margin: 40px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.bar button {
  flex: 1;
  padding: 12px;
  font-size: 15px;
  cursor: pointer;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: all .2s;
  font-family: "speak1";
}

.bar button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(138, 90, 43, .06);
}

.bar button:disabled {
  opacity: .35;
  cursor: not-allowed;
}

.hidden {
  display: none !important;
}

@media (max-width: 600px) {
  body {
    font-size: 17px;
    padding: 0 14px 40px;
  }

  .book-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}