:root{
  --fresh:#ffd9d9;        /* 全新生词：浅红底 */
  --fresh-edge:#e5807a;
  --probe:#b08a00;        /* 复探抽查：金色虚线下划线 */
  --ink:#222; --muted:#888; --bg:#faf8f3; --card:#fff;
  --accent:#4a6cf7; --line:#e3ddcd;
}
[data-theme="dark"]{
  --ink:#e9e6e1; --muted:#9a958c; --bg:#17161a; --card:#242226;
  --fresh:#5e2a2a; --fresh-edge:#a55; --probe:#e0b25a; --accent:#7c93ff; --line:#38353f;
}
*{box-sizing:border-box}
[hidden]{display:none!important}   /* 关键：防止 display:flex 等覆盖 hidden 属性 */
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:-apple-system,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.9;
  -webkit-tap-highlight-color:transparent;
}

/* 顶栏 */
#bar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:12px;
  padding:8px 14px;background:rgba(250,248,243,.92);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);}
[data-theme="dark"] #bar{background:rgba(28,27,32,.92)}
#bar .title{font-weight:700;font-size:16px;white-space:nowrap}
.progress{flex:1;display:flex;align-items:center;gap:8px;min-width:0}
#pbar{flex:1;height:7px;background:var(--line);border-radius:4px;overflow:hidden;min-width:60px}
[data-theme="dark"] #pbar{background:#38353f}
#pfill{height:100%;width:0;background:var(--accent);transition:width .3s}
#ptxt{font-size:12px;color:var(--muted);white-space:nowrap}
#menubtn{border:none;background:none;font-size:20px;cursor:pointer;padding:4px 8px;color:var(--muted)}

/* 图例 */
#legend{font-size:11px;color:#777;padding:4px 14px 6px;display:flex;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
[data-theme="dark"] #legend{color:var(--muted)}
.sw{display:inline-block;padding:1px 5px;border-radius:3px;margin-right:3px;font-size:10px;vertical-align:middle}
.sw.fresh{background:var(--fresh)}
.sw.probe{text-decoration:underline dotted;text-decoration-color:var(--probe);color:var(--probe)}
.sw.kn{background:#eee;color:#555}

/* 正文 */
#reader{max-width:760px;margin:0 auto;padding:24px 18px 120px}
#reader[data-ff="serif"]{font-family:Georgia,"Iowan Old Style","Palatino Linotype",serif}
#reader[data-ff="sans"]{font-family:-apple-system,"Helvetica Neue","PingFang SC",sans-serif}
.loading,.empty{color:var(--muted);text-align:center;padding:40px}
section.chapter{margin-bottom:48px}
h2.ch{font-size:20px;text-align:center;margin:0 0 24px;letter-spacing:.5px}
p.pa{margin:0 0 1.1em;text-align:justify}

/* 词 */
.w{padding:1px 0;border-radius:3px;cursor:pointer}
.w.kn{color:var(--ink)}
.w.unk.fresh{background:var(--fresh);box-shadow:inset 0 -.5px 0 var(--fresh-edge)}
.w.unk.probe{text-decoration:underline;text-decoration-style:dotted;text-decoration-color:var(--probe);text-underline-offset:3px}
.w:active{background:#eef}

/* 下拉菜单 */
#menu{position:fixed;top:50px;right:10px;z-index:40;width:min(90vw,330px);
  max-height:calc(100vh - 62px);overflow-y:auto;background:var(--card);
  border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.2);padding:6px 0;font-size:14px}
.msec{padding:6px 12px;border-bottom:1px solid var(--line)}
.msec:last-child{border-bottom:none}
.mh{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin:6px 0 4px}
.mrow{display:flex;align-items:center;gap:8px;margin:6px 0;flex-wrap:wrap}
.ml{min-width:34px;color:var(--muted);font-size:13px}
.mb{border:1px solid var(--line);background:#f3f1ea;color:#333;border-radius:7px;padding:5px 10px;cursor:pointer;font-size:13px}
.mb:hover{background:#eae7df}
.mb.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.mb.full{width:100%;margin:5px 0;text-align:left}
.mb.danger{color:#c33;border-color:#e3b3b3}
#fsval{min-width:30px;text-align:center}
#chaplist{max-height:200px;overflow-y:auto;margin-top:4px;border:1px solid var(--line);border-radius:7px}
.chapitem{display:block;width:100%;text-align:left;background:none;border:none;border-bottom:1px solid var(--line);padding:7px 10px;cursor:pointer;font-size:13px;color:var(--ink)}
.chapitem:last-child{border-bottom:none}
.chapitem:hover{background:#f0ede3}
.chapitem.cur{font-weight:700;color:var(--accent)}
[data-theme="dark"] .mb{background:#2e2c33;color:#ddd}
[data-theme="dark"] .mb:hover{background:#3a3733}
[data-theme="dark"] .chapitem:hover{background:#2e2c33}

/* 浮卡 */
#card{position:fixed;z-index:50;max-width:min(92vw,420px);max-height:calc(100vh - 16px);
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.18);
  padding:14px 16px 16px;font-size:14px;line-height:1.6}
#cardbody{overflow-y:auto;flex:1 1 auto;min-height:0;padding-right:4px}
#cardclose{position:absolute;top:6px;right:8px;border:none;background:none;font-size:20px;color:var(--muted);cursor:pointer;line-height:1}
.card-word{font-size:18px;font-weight:700}
.card-ipa{color:#0a7;font-family:monospace;margin-left:8px;font-size:13px}
.card-pos{color:var(--muted);font-style:italic;margin-left:6px;font-size:12px}
.spk{border:none;background:#efeae0;border-radius:5px;cursor:pointer;font-size:12px;padding:1px 5px;color:#555;margin-left:4px}
[data-theme="dark"] .spk{background:#3a3733;color:#bbb}
.card-gloss{margin:8px 0;font-size:15px}
.card-section{margin-top:8px}
.card-section h4{margin:0 0 4px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.forms{display:flex;flex-wrap:wrap;gap:5px}
.forms span{background:#f0ede3;border-radius:5px;padding:1px 7px;font-size:12px}
[data-theme="dark"] .forms span{background:#2e2c33}
.ex{color:#444;font-style:italic}
.ex-zh{color:var(--muted);font-size:13px}
.card-trans{margin-top:6px;white-space:pre-wrap;font-size:15px}
.card-state{font-size:12px;color:var(--muted);margin-top:10px}
.card-actions{margin-top:12px}
.card-actions button{width:100%;padding:9px;border:1px solid var(--line);border-radius:8px;background:#f3f1ea;color:#333;cursor:pointer;font-size:14px}
.card-actions button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
[data-theme="dark"] .card-actions button{background:#2e2c33;color:#ddd}
.spinner{color:var(--muted)}

/* 划选翻译按钮 */
#selbtn{position:fixed;z-index:45;background:var(--accent);color:#fff;border:none;
  border-radius:6px;padding:4px 10px;font-size:13px;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.2)}

/* 设置弹窗 */
#modal{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;padding:16px}
.mbox{background:var(--card);border-radius:12px;padding:18px 20px;max-width:420px;width:100%;color:var(--ink)}
.mbox h3{margin:0 0 12px}
.mbox label{display:block;margin:10px 0;font-size:13px;color:#444}
[data-theme="dark"] .mbox label{color:#bbb}
.mbox input{text-align:left;width:100%;padding:7px 9px;border:1px solid #ddd;border-radius:6px;font-size:14px;margin-top:3px;background:#fff;color:#222}
[data-theme="dark"] .mbox input{background:#1c1b1f;color:#eee;border-color:#444}
.mbox label.chk{display:flex;align-items:center;gap:7px}
.adv summary{cursor:pointer;color:var(--muted);font-size:13px;margin:8px 0}
.adv label{color:var(--muted)}
.mbox .hint{font-size:12px;color:var(--muted);margin:12px 0}
.mbtns{display:flex;gap:8px;margin-top:8px}
.mbtns button{flex:1;padding:9px;border:1px solid var(--line);background:var(--card);border-radius:7px;cursor:pointer;font-size:14px;color:var(--ink)}
.mbtns button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}

@media(max-width:560px){
  #bar .title{font-size:14px}
  #reader{padding:16px 12px 100px}
  h2.ch{font-size:17px}
  #menu{right:6px;left:6px;width:auto}
}