/* ── 阅读增强：引导式阅读 v56 ── */

/* 主工具栏 */
.reader-toolbar{
  position:fixed; left:50%; bottom:54px; transform:translateX(-50%);
  display:flex; align-items:center; gap:8px; flex-wrap:wrap; justify-content:center;
  max-width:94vw;
  background:rgba(245,240,230,.96); border:1px solid #d9cdb4;
  border-radius:30px; padding:7px 14px; z-index:9999;
  font-family:"Songti SC","STSong",serif; font-size:14px; color:#2b2620;
  box-shadow:0 6px 22px rgba(60,40,20,.18);
}
.reader-toolbar button{
  border:1px solid #d9cdb4; background:#fffdf8; color:#2f4f3e;
  border-radius:18px; padding:5px 11px; cursor:pointer;
  font-family:inherit; font-size:14px; transition:.15s; white-space:nowrap;
}
.reader-toolbar button:hover{ border-color:#9c4a3c; }
.reader-toolbar button.on{ background:#2f4f3e; color:#fff; border-color:#2f4f3e; }
.reader-toolbar input[type=range]{ width:88px; accent-color:#9c4a3c; }
.reader-toolbar .lab{ color:#7a6f5d; font-size:12px; }
.reader-toolbar .wpmv{ color:#9c4a3c; font-size:12px; min-width:26px; }

/* 进度条 */
.reader-progress{ position:fixed; left:50%; bottom:18px; transform:translateX(-50%);
  width:min(680px,92vw); z-index:9999; }
.reader-progress input[type=range]{ width:100%; accent-color:#2f4f3e; cursor:pointer; }

/* 逐句引导：当前句淡朱砂底 + 波浪下划线（CSS Custom Highlight API，零 DOM 改动） */
::highlight(sentence){
  background:rgba(156,74,60,.13);
  text-decoration:underline wavy rgba(156,74,60,.60);
  text-underline-offset:3px; text-decoration-thickness:1.5px;
}

/* 波浪逐字浮现浮层（分块激活，只读当前块） */
.r-wave{
  position:fixed; pointer-events:none; z-index:9998;
  text-align:center; font-weight:600;
  transform-origin:center center;
  transition:left .12s ease, top .12s ease, width .12s ease,
             height .12s ease, font-size .12s ease, color .12s ease;
  will-change:left, top, width, height, font-size;
  text-shadow:0 1px 3px rgba(120,30,20,.30);
}

/* 聚光：非当前块淡出 */
.dimmed{ opacity:.20 !important; transition:opacity .3s ease; }

/* 选起点提示 */
.reader-picktip{
  position:fixed; left:50%; top:calc(var(--portal-top,54px) + 12px); transform:translateX(-50%);
  background:rgba(47,79,62,.94); color:#fff; padding:6px 16px; border-radius:20px;
  font-family:"Songti SC","STSong",serif; font-size:13px; z-index:10000;
  box-shadow:0 4px 16px rgba(0,0,0,.2);
}

/* 大纲（章节）面板 */
.reader-outline{
  position:fixed; inset:0; display:none; align-items:center; justify-content:center;
  background:rgba(40,30,20,.32); z-index:10001;
}
.reader-outline > div{ max-height:70vh; overflow:auto; }
.reader-outline .ol-title, .ol-empty{
  background:#faf6ec; color:#2f4f3e; padding:14px 22px; font-size:15px;
  border-radius:14px 14px 0 0; font-family:"Songti SC","STSong",serif;
}
.reader-outline .ol-empty{ border-radius:14px; }
.reader-outline .ol-item{
  display:block; width:340px; max-width:86vw; text-align:left;
  background:#fffdf8; color:#2b2620; border:none; border-top:1px solid #ece3cf;
  padding:11px 22px; font-family:"Songti SC","STSong",serif; font-size:14px; cursor:pointer;
}
.reader-outline .ol-item:last-child{ border-radius:0 0 14px 14px; }
.reader-outline .ol-item:hover{ background:#f3ece0; color:#9c4a3c; }

/* 退出询问条（进度保护） */
.reader-exit{
  position:fixed; left:50%; bottom:96px; transform:translateX(-50%);
  display:none; flex-direction:column; align-items:center; gap:8px;
  background:#fffdf8; border:1px solid #d9cdb4; border-radius:16px; padding:14px 20px;
  z-index:10002; font-family:"Songti SC","STSong",serif; color:#2b2620;
  box-shadow:0 8px 26px rgba(60,40,20,.22);
}
.reader-exit .re-title{ font-size:14px; }
.reader-exit .re-btns{ display:flex; gap:8px; }
.reader-exit .re-btns button{
  border:1px solid #d9cdb4; background:#faf6ec; color:#2f4f3e;
  border-radius:16px; padding:6px 14px; cursor:pointer; font-family:inherit; font-size:13px;
}
.reader-exit .re-btns button:hover{ border-color:#9c4a3c; }

/* 用户划词高亮（CSS Custom Highlight API） */
::highlight(reader){ background:rgba(168,57,43,.20); border-radius:3px; }

/* ── 京华老宋体 ──
   若本机已安装「京华老宋体」，阅读区会自动启用；否则回退到松墨宋体系。
   要真正内嵌字体，把 woff2 放到 assets/fonts/jinghua.woff2 并取消下面注释
   （部署时还需让 build.py 复制 assets/ 目录到 dist/）：
@font-face{
  font-family:"京华老宋体";
  src:url("../assets/fonts/jinghua.woff2") format("woff2");
  font-display:swap;
}
*/

/* ── 双向链接面板（每页底部由 portal.js 注入）── */
.portal-links{
  max-width:760px; margin:40px auto 0; padding:22px 22px 8px;
  border-top:2px solid #d9cdb4;
  font-family:"Songti SC","STSong",serif; color:#2b2620;
}
.portal-links .pl-sec{ margin-bottom:18px; }
.portal-links h4{
  margin:0 0 10px; font-size:14px; letter-spacing:.14em; color:#9c4a3c;
  font-weight:600;
}
.portal-links ul{ list-style:none; margin:0; padding:0;
  display:flex; flex-direction:column; gap:7px; }
.portal-links li{
  font-size:14.5px; line-height:1.6;
  padding-left:14px; position:relative;
}
.portal-links li::before{
  content:"·"; position:absolute; left:0; color:#9c4a3c; font-weight:700;
}
.portal-links a{ color:#2f4f3e; text-decoration:none; }
.portal-links a:hover{ text-decoration:underline; }
.portal-links .pl-cat{
  color:#7a6f5d; font-size:12px; margin-left:8px;
  border:1px solid #d9cdb4; border-radius:10px; padding:0 7px;
}
.portal-links .pl-empty{ color:#9a8f7c; font-size:13px; margin:0; font-style:italic; }