/* ============ 在线阅读器样式 ============ */
:root{
  --accent:#c9772e;
  --accent-soft:#f3e2d0;
  --radius:14px;
  --shadow:0 2px 14px rgba(0,0,0,.07);
}
body[data-theme="light"]{
  --bg:#f7f4ee; --fg:#2b2b2b; --fg2:#8a8578; --card:#ffffff; --line:#e7e2d6;
  --bar:#fffdf8; --bar-line:#e7e2d6;
}
body[data-theme="sepia"]{
  --bg:#f2e7cf; --fg:#4a3b26; --fg2:#9a855f; --card:#faf2de; --line:#e2d3b2;
  --bar:#faf3e2; --bar-line:#e2d3b2;
}
body[data-theme="green"]{
  --bg:#e9efdd; --fg:#33412c; --fg2:#7c8f6f; --card:#f4f8ea; --line:#d6e0c8;
  --bar:#f2f7e9; --bar-line:#d6e0c8;
}
body[data-theme="dark"]{
  --bg:#16181d; --fg:#c9ced8; --fg2:#70767f; --card:#1f232b; --line:#2c313a;
  --bar:#1b1f26; --bar-line:#2c313a;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg); color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  transition:background .25s,color .25s;
  -webkit-tap-highlight-color:transparent;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit}
.hidden{display:none !important}

/* ---------- 顶栏 ---------- */
#topbar{
  position:sticky;top:0;z-index:50;background:var(--bar);border-bottom:1px solid var(--bar-line);
  backdrop-filter:blur(8px);
}
.tb-inner{display:flex;align-items:center;gap:8px;max-width:960px;margin:0 auto;padding:10px 14px}
#topbar h1{font-size:18px;font-weight:700;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-btn{
  min-width:34px;height:34px;padding:0 10px;border-radius:10px;font-size:16px;
  background:var(--card);border:1px solid var(--line);color:var(--fg);
}
.tb-btn:active{opacity:.7}
.tb-actions{display:flex;gap:8px}

/* ---------- 视图 ---------- */
main{max-width:960px;margin:0 auto;padding:0 14px 40px}
.view{display:none}
.view.active{display:block}

/* ---------- 书架 ---------- */
.shelf-inner{padding-top:16px}
.shelf-search input,#ch-search,#shelf-search{
  width:100%;padding:12px 16px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--fg);font-size:15px;outline:none;
}
.shelf-search{margin-bottom:20px}
.sec-title{font-size:15px;color:var(--fg2);font-weight:600;margin:22px 0 12px}
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:16px 12px}
.book-card{display:flex;flex-direction:column;gap:8px;cursor:pointer;text-align:left}
.book-card .bcover{
  aspect-ratio:3/4;width:100%;border-radius:10px;object-fit:cover;background:var(--card);
  box-shadow:var(--shadow);
}
.book-card .btitle{font-size:13px;line-height:1.35;color:var(--fg);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.book-card .bmeta{font-size:11px;color:var(--fg2)}
.book-card .bprog{height:3px;border-radius:2px;background:var(--line);overflow:hidden}
.book-card .bprog i{display:block;height:100%;background:var(--accent)}
.shelf-footer{text-align:center;color:var(--fg2);font-size:12px;margin:34px 0 10px}

/* ---------- 书籍详情 ---------- */
.book-head{display:flex;gap:18px;padding:22px 4px 18px}
.cover-wrap{flex:0 0 118px}
.cover-wrap img{width:118px;aspect-ratio:3/4;object-fit:cover;border-radius:12px;box-shadow:var(--shadow);background:var(--card)}
.book-info{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0}
.book-info h2{font-size:20px;line-height:1.3}
.book-info p{color:var(--fg2);font-size:13px}
.btn-primary{
  margin-top:auto;align-self:flex-start;padding:10px 26px;border-radius:999px;color:#fff;
  background:var(--accent);font-size:15px;font-weight:600;
}
.chapters-wrap{padding-bottom:30px}
.ch-search{margin-bottom:10px}
.chapter-list{display:flex;flex-direction:column}
.ch-item{
  display:flex;align-items:center;gap:10px;padding:13px 6px;border-bottom:1px solid var(--line);
  font-size:14.5px;line-height:1.4;color:var(--fg);cursor:pointer;text-align:left;
}
.ch-item:active{background:var(--card)}
.ch-item .no{color:var(--fg2);font-size:12px;flex:0 0 auto}
.ch-item .t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ch-item.read .t{color:var(--fg2)}
.ch-item.cur .t{color:var(--accent);font-weight:600}
.ch-item .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;visibility:hidden}
.ch-item.cur .dot{visibility:visible}

/* ---------- 阅读器 ---------- */
#reader-view{position:relative;padding-bottom:20px}
#reader-bar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:8px;
  background:var(--bar);border-bottom:1px solid var(--bar-line);padding:8px 14px;
}
#reader-bar .tb-btn{background:transparent;border:none}
.reader-pos{flex:1;font-size:13px;color:var(--fg2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#reader-wrap{max-width:var(--page-width,680px);margin:0 auto;padding:26px 20px 40px}
#reader-content{font-size:calc(var(--fs,19px));line-height:var(--lh,1.9);color:var(--fg);word-break:break-word}
#reader-content.serif{font-family:Georgia,"Noto Serif CJK SC","Songti SC",serif}
#reader-content p{margin:0 0 1.1em;text-indent:2em}
#reader-content p.no-indent{text-indent:0}
#reader-content h1,#reader-content h2,#reader-content h3,#reader-content h4{
  margin:1.2em 0 .7em;line-height:1.4;text-indent:0;font-size:1.15em;
}
#reader-content img{
  display:block;max-width:100%;margin:1.2em auto;border-radius:8px;
  box-shadow:var(--shadow);background:var(--card);
}
#reader-content blockquote{border-left:3px solid var(--line);padding:.2em 1em;color:var(--fg2);margin:1em 0}
#reader-content ul,#reader-content ol{margin:1em 0 1em 1.6em}
#reader-content li{margin:.4em 0}
#reader-content table{border-collapse:collapse;margin:1em 0;max-width:100%;overflow:auto}
#reader-content td,#reader-content th{border:1px solid var(--line);padding:6px 10px;font-size:.92em}
#reader-sentinel{text-align:center;color:var(--fg2);font-size:13px;padding:18px 0 6px;min-height:44px}
.ch-end{text-align:center;color:var(--fg2);font-size:13px;padding:20px 0;letter-spacing:.3em}
.loading-dots::after{content:"…";animation:dots 1s infinite}
@keyframes dots{0%{content:""}33%{content:"."}66%{content:".."}100%{content:"..."}}
#reader-nav{display:flex;justify-content:center;gap:14px;padding:6px 0 18px}
.nav-btn{
  padding:10px 26px;border-radius:999px;border:1px solid var(--line);background:var(--card);
  font-size:14px;color:var(--fg);
}
.nav-btn:disabled{opacity:.35;cursor:default}
#reader-progress{position:sticky;bottom:0;height:3px;background:var(--line);z-index:40}
#reader-progress-bar{height:100%;width:0;background:var(--accent);transition:width .3s}

/* 目录抽屉 */
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:min(320px,86vw);z-index:60;
  background:var(--card);box-shadow:4px 0 30px rgba(0,0,0,.18);
  overflow-y:auto;transform:translateX(0);transition:transform .22s;
}
.drawer.hidden{transform:translateX(-105%)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700}
#reader-ch-list{padding:0 8px 20px}

/* 设置面板 */
#settings-panel{
  position:fixed;right:12px;bottom:14px;z-index:55;width:min(340px,92vw);
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 8px 34px rgba(0,0,0,.16);padding:16px;display:flex;flex-direction:column;gap:13px;
}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px}
.stepper{display:flex;align-items:center;gap:8px}
.stepper button{
  width:32px;height:32px;border-radius:9px;border:1px solid var(--line);background:var(--bg);
  font-size:16px;line-height:1;
}
.stepper span{min-width:38px;text-align:center;font-size:13px;color:var(--fg2)}
.seg{display:flex;gap:6px}
.seg button{
  padding:7px 13px;border-radius:9px;border:1px solid var(--line);background:var(--bg);
  font-size:13px;color:var(--fg);
}
.seg button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.danger-btn{
  width:100%;padding:10px;border-radius:10px;border:1px solid #c0552e;color:#c0552e;font-size:14px;
}
.mini-btns{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.mini-btns button{
  padding:7px 12px;border-radius:9px;border:1px solid var(--line);background:var(--bg);
  font-size:12.5px;color:var(--fg);
}

/* 自定义背景（压暗保证可读性） */
body.custom-bg{
  background:linear-gradient(rgba(16,16,22,.52),rgba(16,16,22,.52)),var(--bgimg) center/cover fixed no-repeat;
}
body.custom-bg[data-theme="light"],body.custom-bg[data-theme="sepia"],body.custom-bg[data-theme="green"],body.custom-bg[data-theme="dark"]{
  background:linear-gradient(rgba(16,16,22,.52),rgba(16,16,22,.52)),var(--bgimg) center/cover fixed no-repeat;
}

/* ---------- 图片灯箱 ---------- */
#lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(8,8,10,.96);
  display:flex;flex-direction:column;
}
#lightbox.hidden{display:none}
.lb-bar{
  display:flex;align-items:center;gap:6px;padding:10px 12px;color:#e8e8e8;
  background:rgba(0,0,0,.35);border-bottom:1px solid rgba(255,255,255,.08);
}
.lb-name{flex:1;font-size:13px;color:#bbb;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-sp{width:8px}
.lb-btn{
  min-width:34px;height:34px;padding:0 12px;border-radius:9px;font-size:15px;color:#eee;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);
}
.lb-btn:active{opacity:.7}
.lb-btn.lb-dl{background:#c9772e;border-color:#c9772e;color:#fff;font-weight:600}
.lb-stage{flex:1;overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative;touch-action:none}
#lb-img{
  max-width:none;max-height:none;display:block;cursor:grab;
  transform-origin:center center;transition:none;user-select:none;-webkit-user-drag:none;
  will-change:transform;
}
#lb-img:active{cursor:grabbing}

/* ---------- 漫画 ---------- */
#comic-view{background:#1a1a1a;min-height:100vh;margin:-0px}
#comic-bar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:8px;color:#e8e8e8;
  background:rgba(20,20,20,.92);border-bottom:1px solid #333;padding:8px 14px;
}
#comic-bar .tb-btn{background:transparent;border:none;color:#e8e8e8}
#comic-pages{max-width:820px;margin:0 auto;padding:14px 6px 30px}
.comic-page{text-align:center;margin-bottom:10px;background:#0f0f0f;border-radius:6px;overflow:hidden;min-height:120px}
.comic-page img{width:var(--cwidth,100%);height:auto;display:block;margin:0 auto}
.comic-page .ph{color:#666;font-size:13px;padding:40px 0}
#comic-nav{display:flex;justify-content:center;gap:14px;padding:0 0 26px}
#comic-nav .nav-btn{background:#222;border-color:#3a3a3a;color:#ddd}

/* ---------- 杂项 ---------- */
#toast{
  position:fixed;left:50%;bottom:70px;transform:translateX(-50%) translateY(20px);
  background:rgba(20,20,20,.9);color:#fff;padding:10px 18px;border-radius:999px;
  font-size:14px;opacity:0;pointer-events:none;transition:all .25s;z-index:100;max-width:86vw;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.error-box{text-align:center;padding:50px 20px;color:var(--fg2)}
.error-box button{margin-top:16px;padding:9px 22px;border-radius:999px;background:var(--accent);color:#fff}

@media (min-width:760px){
  #reader-wrap{padding:34px 30px 60px}
  .book-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
}