:root{
  --bg:#f3eee4; --panel:#faf7f0; --paper:#fffdf8; --line:#e3dccd; --line2:#d6ccb8;
  --ink:#2a251f; --ink2:#5b5247; --muted:#8c8274;
  --accent:#b5452f; --accent-2:#973523; --accent-soft:#f3e0d8;
  --ok:#4d7a55; --warn:#b07d2b; --err:#b5452f;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --r:10px; --shadow:0 1px 2px rgba(60,40,20,.06),0 6px 24px rgba(60,40,20,.07);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#1b1917; --panel:#221f1c; --paper:#262320; --line:#35302b; --line2:#443d36;
  --ink:#e8e1d6; --ink2:#bdb3a5; --muted:#8a8074;
  --accent:#d0694f; --accent-2:#e07c62; --accent-soft:#3a2a24;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 24px rgba(0,0,0,.25);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 var(--sans)}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{background:var(--paper);border:1px solid var(--line2);border-radius:8px;padding:7px 10px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0}
.muted{color:var(--muted)} .small{font-size:12.5px}
.err{color:var(--err);min-height:1.4em;margin:8px 0 0;font-size:13px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line2);background:var(--paper);border-radius:8px;padding:7px 14px;cursor:pointer;white-space:nowrap;transition:.15s}
.btn:hover{border-color:var(--ink2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-2)}
.btn.danger{background:transparent;color:var(--err);border-color:var(--err)}
.btn.ghost{background:transparent}
.btn.sm{padding:4px 10px;font-size:12.5px}
.btn.block{width:100%;justify-content:center;padding:10px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon-btn{border:0;background:transparent;cursor:pointer;width:30px;height:30px;border-radius:7px;color:var(--ink2);font-size:16px}
.icon-btn:hover{background:var(--line)}

/* seal */
.seal{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:12px;background:var(--accent);color:#fff;font:600 28px var(--serif);flex:none}
.seal.small{width:38px;height:38px;font-size:20px;border-radius:10px;margin:4px 0 14px}
.rail-logo{width:38px;height:38px;border-radius:10px;margin:4px 0 14px;box-shadow:0 3px 10px rgba(40,30,20,.22)}

/* ============ 登录:居中单卡片 ============ */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 16px;
  background:radial-gradient(900px 480px at 50% -10%,var(--accent-soft),transparent 70%),var(--bg)}
.auth-card{width:min(400px,100%);background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:40px 36px 30px;
  box-shadow:0 1px 2px rgba(40,30,20,.04),0 16px 48px -12px rgba(40,30,20,.16)}
.auth-logo{display:block;width:52px;height:52px;margin:0 auto 18px;border-radius:13px;box-shadow:0 6px 16px rgba(40,30,20,.2)}
.auth-card h2{font-family:var(--sans);font-size:24px;font-weight:700;letter-spacing:-.01em;text-align:center}
.auth-sub{margin:6px 0 28px;color:var(--muted);font-size:14px;text-align:center}
.field{display:block;margin-bottom:16px}
.field>span{display:block;font-size:13px;font-weight:500;color:var(--ink2);margin-bottom:6px}
.field .opt{font-style:normal;font-weight:400;color:var(--muted);font-size:12px;margin-left:4px}
.input-wrap{position:relative;display:flex;align-items:center}
.input-wrap>svg{position:absolute;left:13px;width:17px;height:17px;fill:var(--muted);pointer-events:none}
.input-wrap input{width:100%;height:46px;padding:0 42px 0 40px;border-radius:10px;border:1px solid var(--line2);background:var(--paper);font-size:15px;transition:border-color .15s,box-shadow .15s}
.input-wrap.plain input{padding-left:14px}
.input-wrap input::placeholder{color:#b3a999}
.input-wrap input:hover{border-color:#c9bda8}
.input-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.input-wrap:focus-within>svg{fill:var(--accent)}
.eye{position:absolute;right:6px;width:34px;height:34px;border:0;background:none;border-radius:8px;cursor:pointer;display:grid;place-items:center}
.eye svg{width:18px;height:18px;fill:var(--muted)}
.eye:hover{background:var(--line)}
.eye.on svg{fill:var(--accent)}
.auth-row{display:flex;justify-content:space-between;align-items:center;margin:4px 0 20px;font-size:13px;color:var(--ink2)}
.auth-row .chk input{width:15px;height:15px;accent-color:var(--accent);margin:0 6px 0 0;padding:0}
.btn.lg{height:48px;font-size:15.5px;font-weight:600;border-radius:10px;letter-spacing:.06em}
.btn.primary.lg{background:linear-gradient(180deg,#c4533a,#ad3e28);border:0;box-shadow:0 8px 20px -6px rgba(181,69,47,.55)}
.btn.primary.lg:hover{background:linear-gradient(180deg,#b84a32,#9f3622)}
.btn.primary.lg:active{transform:translateY(1px)}
.auth-switch{text-align:center;font-size:13.5px;color:var(--muted);margin:18px 0 0}
.auth-switch a{color:var(--accent);cursor:pointer;font-weight:500;text-decoration:none}
.auth-switch a:hover{text-decoration:underline}

/* app shell */
.app{display:flex;height:100vh;overflow:hidden}
.rail{width:74px;flex:none;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:10px 0}
.rail-btn{width:62px;border:0;background:none;border-radius:10px;padding:8px 0 6px;cursor:pointer;color:var(--ink2);display:flex;flex-direction:column;align-items:center;gap:2px;margin-bottom:4px}
.rail-btn i{font-style:normal;font-size:18px;line-height:1.1}
.rail-btn span{font-size:11.5px;max-width:58px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rail-btn:hover{background:var(--line)}
.rail-btn.on{background:var(--accent-soft);color:var(--accent)}
.rail-grow{flex:1}
.view{flex:1;min-width:0;display:flex;overflow:hidden}

/* tree */
.tree{width:230px;flex:none;border-right:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column}
.tree-head{display:flex;align-items:center;justify-content:space-between;padding:12px 10px 8px 14px}
.tree-body{flex:1;overflow:auto;padding:0 6px 20px}
.proj{margin-bottom:6px}
.proj-name{display:flex;align-items:center;gap:4px;padding:6px 8px;border-radius:7px;cursor:pointer;font-weight:600;font-family:var(--serif)}
.proj-name:hover{background:var(--line)}
.proj-name .tw{width:14px;color:var(--muted);font-size:10px}
.proj-name .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.proj-name .more{opacity:0;border:0;background:none;cursor:pointer;color:var(--muted);padding:0 4px}
.proj-name:hover .more{opacity:1}
.doc-item{display:flex;align-items:center;padding:5px 8px 5px 26px;border-radius:7px;cursor:pointer;color:var(--ink2)}
.doc-item:hover{background:var(--line)}
.doc-item.on{background:var(--accent-soft);color:var(--accent)}
.doc-item .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.doc-item .ct{font-size:11px;color:var(--muted)}
.add-doc{padding:4px 8px 4px 26px;color:var(--muted);cursor:pointer;font-size:12.5px;border-radius:7px}
.add-doc:hover{color:var(--accent)}

/* desk */
.desk{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg)}
.desk-head{display:flex;align-items:center;gap:8px;padding:8px 14px;border-bottom:1px solid var(--line)}
.doc-title{flex:1;min-width:80px;border:0;background:transparent;font:600 18px var(--serif);padding:4px 6px}
.doc-title:focus{box-shadow:none;background:var(--paper)}
.save-state{font-size:12px;color:var(--muted);white-space:nowrap}
.desk-tools{display:flex;gap:6px;align-items:center}
.paper-wrap{flex:1;overflow:auto;padding:28px 20px 60px}
/* 纸张:.sheet 负责底色/纹理/格线,textarea 透明叠在上面 */
.sheet{position:relative;margin:0 auto;width:min(var(--pp-width,760px),100%);background-color:var(--pp-bg,var(--paper));color:var(--pp-ink,var(--ink));
  border:1px solid var(--line);border-radius:4px;box-shadow:var(--shadow);background-size:240px 240px}
.sheet-grid{position:absolute;pointer-events:none;background-repeat:repeat}
.paper{position:relative;display:block;width:100%;min-height:calc(100vh - 190px);resize:none;border:0;border-radius:0;outline:none;background:transparent;color:inherit;
  padding:var(--pp-pt,48px) var(--pp-px,60px);font-family:var(--pp-font,var(--serif));font-size:var(--pp-size,17px);line-height:var(--pp-lh,35px);
  letter-spacing:.02em;overflow:hidden;caret-color:var(--accent)}
.paper:focus{box-shadow:none;border:0}
.paper::placeholder{color:currentColor;opacity:.38}
.sheet.pp-lined{background-size:100% 100%;background-repeat:no-repeat;background-image:linear-gradient(90deg,transparent calc(var(--pp-px) - 24px),rgba(214,84,84,.42) calc(var(--pp-px) - 24px),rgba(214,84,84,.42) calc(var(--pp-px) - 23px),transparent calc(var(--pp-px) - 23px))}
.sheet.pp-grid .paper{font-feature-settings:"fwid"}
.sheet.pp-night{border-color:#000}
.sheet.pp-night .paper{caret-color:#e07c62}
.sheet.locked .paper{cursor:progress}

/* 整篇改写进度 */
.job-banner{position:sticky;top:-16px;z-index:5;width:min(760px,100%);margin:-12px auto 14px;background:var(--paper);border:1px solid var(--line2);border-radius:10px;box-shadow:var(--shadow);padding:10px 14px 9px}
.job-top{display:flex;align-items:center;gap:10px;font-size:13px;flex-wrap:wrap}
.job-top .grow{flex:1}
.job-top #jobOps{display:flex;gap:6px}
.job-bar{height:4px;background:var(--line);border-radius:3px;margin-top:8px;overflow:hidden}
.job-bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .6s}
.job-banner[data-status=done] .job-bar i{background:var(--ok)}
.job-banner[data-status=error] .job-bar i,.job-banner[data-status=cancelled] .job-bar i{background:var(--warn)}
.desk-foot{display:flex;gap:16px;padding:6px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.desk-foot .grow{flex:1}
body.focus .tree,body.focus .assist,body.focus .rail{display:none}
body.tree-off .tree{display:none}

/* assist */
.assist{width:380px;flex:none;border-left:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;overflow:hidden}
.assist-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 8px}
.assist-tabs button{flex:1;border:0;background:none;padding:11px 0 9px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent}
.assist-tabs button.on{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.style-box{padding:10px 14px;border-bottom:1px solid var(--line);background:var(--paper)}
.style-row{display:flex;align-items:center;gap:8px;margin:4px 0}
.style-row label{width:60px;flex:none;font-size:12.5px;color:var(--ink2)}
.style-row select{flex:1;min-width:0;padding:5px 8px}
.style-row.blend input{flex:1;accent-color:var(--accent);padding:0;border:0;box-shadow:none}
.style-row.blend output{width:36px;text-align:right;font-size:12px;color:var(--ink2)}
.style-label{margin-top:4px;font-size:12px;color:var(--accent);font-family:var(--serif)}
.tab-pane{flex:1;overflow:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px;min-height:0}
.actions{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.actions button{border:1px solid var(--line2);background:var(--paper);border-radius:8px;padding:6px 0;cursor:pointer;font-size:13px}
.actions button:hover{border-color:var(--accent)}
.actions button.on{background:var(--accent);border-color:var(--accent);color:#fff}
.action-tip{margin:0;font-size:12.5px;color:var(--muted);min-height:1.5em}
.instr{width:100%;resize:vertical;min-height:64px}
.gen-row{display:flex;gap:8px;align-items:center}
.gen-row .len{display:flex;align-items:center;gap:4px;font-size:12.5px;color:var(--ink2)}
.gen-row .len input{width:72px;padding:6px 8px}
.gen-row select{padding:6px 8px}
.gen-row .btn.primary,.gen-row .btn.danger{flex:1;justify-content:center}
.output-wrap{border:1px solid var(--line2);border-radius:var(--r);background:var(--paper);display:flex;flex-direction:column;min-height:0}
.output-meta{padding:6px 12px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.output{padding:12px 14px;font:15px/1.95 var(--serif);white-space:pre-wrap;word-break:break-word;max-height:52vh;overflow:auto}
.output.md{white-space:normal;font-family:var(--sans);font-size:14px;line-height:1.7}
.output.md h1,.output.md h2,.output.md h3,.output.md h4{font-size:15px;margin:10px 0 4px}
.output.md ul,.output.md ol{padding-left:20px;margin:4px 0}
.output.md p{margin:6px 0}
.output .cursor{display:inline-block;width:7px;height:1.1em;background:var(--accent);vertical-align:-3px;animation:blink 1s steps(1) infinite;margin-left:1px}
@keyframes blink{50%{opacity:0}}
.output-ops{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px;border-top:1px solid var(--line)}

/* chat */
.chat-head{display:flex;gap:6px}
.chat-head select{flex:1;min-width:0;padding:5px 8px}
.chat-msgs{flex:1;overflow:auto;display:flex;flex-direction:column;gap:10px;min-height:120px}
.chat-empty{color:var(--muted);font-size:13px;text-align:center;margin:auto;padding:20px}
.msg{max-width:92%;padding:9px 12px;border-radius:12px;white-space:pre-wrap;word-break:break-word;font-size:14px}
.msg.user{align-self:flex-end;background:var(--accent-soft);border-bottom-right-radius:4px}
.msg.assistant{align-self:flex-start;background:var(--paper);border:1px solid var(--line);border-bottom-left-radius:4px;white-space:normal}
.msg.assistant p{margin:4px 0}
.msg .msg-ops{margin-top:6px;display:flex;gap:6px}
.chat-input{display:flex;gap:6px;align-items:flex-end}
.chat-input textarea{flex:1;resize:none}

/* history */
.hist-item{border:1px solid var(--line);border-radius:var(--r);background:var(--paper);margin-bottom:8px}
.hist-top{display:flex;gap:8px;align-items:center;padding:8px 10px;cursor:pointer;font-size:12.5px}
.hist-top .tag{background:var(--accent-soft);color:var(--accent);border-radius:5px;padding:0 6px;font-size:12px}
.hist-top .st{flex:1;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hist-body{padding:8px 12px;border-top:1px solid var(--line);font:14px/1.85 var(--serif);white-space:pre-wrap;max-height:300px;overflow:auto}
.hist-ops{display:flex;gap:6px;padding:0 12px 10px}

/* pages */
.page{background:var(--bg)}
.list-col{width:300px;flex:none;border-right:1px solid var(--line);background:var(--panel);padding:14px;overflow:auto}
.list-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.detail-col{flex:1;overflow:auto;padding:24px 32px}
.empty-state{color:var(--muted);text-align:center;margin-top:20vh;font-family:var(--serif);font-size:16px}
.style-card-item{border:1px solid var(--line);background:var(--paper);border-radius:var(--r);padding:10px 12px;margin-top:8px;cursor:pointer}
.style-card-item:hover{border-color:var(--line2)}
.style-card-item.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.style-card-item b{font-family:var(--serif)}
.badge{display:inline-block;font-size:11.5px;border-radius:5px;padding:0 7px;margin-left:6px;vertical-align:1px}
.badge.ready{background:#e3efe4;color:var(--ok)}
.badge.analyzing,.badge.pending{background:#f6ecd8;color:var(--warn)}
.badge.error{background:var(--accent-soft);color:var(--err)}
.badge.empty{background:var(--line);color:var(--muted)}
:root[data-theme="dark"] .badge.ready{background:#26352a}
:root[data-theme="dark"] .badge.analyzing,:root[data-theme="dark"] .badge.pending{background:#3a3222}
.sd-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.sd-head input{font:600 22px var(--serif);border-color:transparent;background:transparent;padding:2px 6px;min-width:120px}
.sd-head input:hover{border-color:var(--line2)}
.sd-desc{font-family:var(--serif);color:var(--ink2);margin:0 0 18px 6px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:16px}
.card h3{font-size:16px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.card h3 .grow{flex:1}
.steps{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.step{flex:1;min-width:160px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13px;color:var(--ink2)}
.step b{display:block;color:var(--ink);font-family:var(--serif);font-size:14px}
.step.done{border-color:var(--ok)}
.step.cur{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.paste-row{display:flex;gap:8px;margin-bottom:8px}
.paste-row input{flex:1}
.paste-area{width:100%;min-height:140px;resize:vertical;font:14px/1.8 var(--serif)}
.sample-list{margin-top:10px}
.sample{display:flex;align-items:center;gap:10px;padding:8px 4px;border-bottom:1px dashed var(--line)}
.sample:last-child{border-bottom:0}
.sample .t{font-weight:600;font-family:var(--serif)}
.sample .p{flex:1;color:var(--muted);font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-edit{width:100%;min-height:340px;resize:vertical;font:14px/1.8 var(--sans)}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}
.stat{background:var(--bg);border-radius:8px;padding:8px 10px}
.stat b{display:block;font:600 18px var(--serif);color:var(--ink)}
.stat span{font-size:12px;color:var(--muted)}
.exemplar{font:14px/1.9 var(--serif);white-space:pre-wrap;background:var(--bg);border-radius:8px;padding:10px 14px;margin-top:8px;color:var(--ink2)}
.drop{border:1.5px dashed var(--line2);border-radius:10px;padding:14px;text-align:center;color:var(--muted);cursor:pointer;margin-bottom:10px}
.drop.over,.drop:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.trial{display:flex;gap:8px;margin-bottom:8px}
.trial input{flex:1}
.trial-out{font:15px/1.95 var(--serif);white-space:pre-wrap;background:var(--bg);border-radius:8px;padding:12px 16px;min-height:40px}

/* authors */
.single{justify-content:center;overflow:auto}
.authors,.admin{width:min(1160px,100%);padding:26px 28px 60px}
.authors-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.authors-head h2{font-size:24px}
.authors-head p{margin:4px 0 0}
.authors-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.authors-tools input{width:220px}
.seg{display:inline-flex;border:1px solid var(--line2);border-radius:8px;overflow:hidden}
.seg button{border:0;background:var(--paper);padding:6px 12px;cursor:pointer;border-right:1px solid var(--line2)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--accent);color:#fff}
.add-author{display:flex;gap:8px;margin-bottom:18px}
.add-author input{flex:1}
.author-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.author{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;transition:.15s;display:flex;flex-direction:column;gap:6px;position:relative}
.author:hover{border-color:var(--line2);box-shadow:var(--shadow);transform:translateY(-1px)}
.author.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.author .nm{font:600 18px var(--serif)}
.author .og{font-size:12px;color:var(--muted)}
.author .ds{font-size:13px;color:var(--ink2);font-family:var(--serif)}
.author .tg{display:flex;gap:4px;flex-wrap:wrap}
.author .tg span{font-size:11.5px;background:var(--bg);border-radius:5px;padding:0 6px;color:var(--ink2)}
.author .cur-mark{position:absolute;top:12px;right:12px;font-size:11.5px;color:var(--accent)}

/* admin */
.admin h2{font-size:24px;margin-bottom:14px}
.admin-new{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:16px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:12px}
.admin-new input{width:170px}
.admin-new .chk input{width:auto;accent-color:var(--accent);margin:0 4px 0 0}
.chk{display:flex;align-items:center;gap:4px;font-size:13px}
.table-wrap{overflow-x:auto;background:var(--paper);border:1px solid var(--line);border-radius:12px}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th,.tbl td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.tbl th{color:var(--muted);font-weight:500;background:var(--panel)}
.tbl tr:last-child td{border-bottom:0}
.tbl .off{color:var(--muted);text-decoration:line-through}

/* 章节 */
.doc-prefix{font:600 18px var(--serif);color:var(--muted);white-space:nowrap}
.doc-prefix:empty{display:none}
.doc-item .dmore{opacity:0;border:0;background:none;cursor:pointer;color:var(--muted);padding:0 2px 0 6px;font-size:14px;line-height:1}
.doc-item:hover .dmore,.doc-item.on .dmore{opacity:1}
.doc-item .ct{margin-left:6px}
.menu{position:fixed;z-index:45;min-width:150px;background:var(--paper);border:1px solid var(--line2);border-radius:10px;box-shadow:0 14px 40px -10px rgba(40,30,20,.3);padding:5px}
.menu button{display:flex;width:100%;align-items:center;gap:8px;border:0;background:none;padding:7px 10px;border-radius:7px;cursor:pointer;text-align:left;font-size:13.5px;color:var(--ink)}
.menu button:hover{background:var(--bg)}
.menu button.danger{color:var(--err)}
.menu button:disabled{opacity:.4;cursor:default;background:none}
.menu hr{border:0;border-top:1px solid var(--line);margin:4px 2px}
.tf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin-bottom:12px}
.modal-body .tf-opt{display:flex;flex-direction:column;gap:2px;border:1px solid var(--line2);border-radius:10px;padding:8px 10px;cursor:pointer;margin:0}
.modal-body .tf-opt input{display:none}
.tf-opt:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.tf-opt b{font-size:13.5px;color:var(--ink)}
.tf-opt span{font-size:12px;color:var(--muted);font-family:var(--serif)}

/* 弹出面板:纸张 */
.pop{position:fixed;z-index:40;width:320px;max-width:calc(100vw - 24px);background:var(--paper);border:1px solid var(--line2);border-radius:14px;
  box-shadow:0 18px 50px -12px rgba(40,30,20,.32);padding:14px 16px}
.pp-sec{margin-bottom:14px}
.pp-sec>b{display:flex;justify-content:space-between;font-size:13px;margin-bottom:8px;font-weight:600}
.pp-sec output{font-weight:400;color:var(--muted)}
.pp-sec input[type=range]{width:100%;accent-color:var(--accent);padding:0;border:0;box-shadow:none;background:none}
.pp-swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:10px 8px}
.pp-sw{border:0;background:none;padding:0;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;color:var(--ink2)}
.pp-sw i{display:block;width:100%;aspect-ratio:4/3;border-radius:8px;border:1px solid var(--line2)}
.pp-sw.on i{box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--accent)}
.pp-sw.on span{color:var(--accent);font-weight:600}
.sw-default{background:var(--paper)}
.sw-white{background:#fff}
.sw-xuan{background:#f4ecd9}
.sw-lined{background:#fffef7 repeating-linear-gradient(transparent 0 7px,rgba(70,110,170,.38) 7px 8px)}
.sw-grid{background-color:#fffdf6;background-image:linear-gradient(90deg,rgba(46,125,84,.5) 1px,transparent 1px),linear-gradient(rgba(46,125,84,.5) 1px,transparent 1px);background-size:8px 8px}
.sw-kraft{background:#d9c29b}
.sw-green{background:#e2ecd2}
.sw-night{background:#1d1b19}
.pp-seg{display:flex;width:100%}
.pp-seg button{flex:1;padding:6px 0}
.pp-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:10px}

/* 名家选择器 */
.style-plus{color:var(--muted);font-size:12px;line-height:1;margin:-3px 0 -3px 68px}
.picker{position:relative;flex:1;min-width:0}
.picker-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:6px;background:var(--paper);border:1px solid var(--line2);
  border-radius:8px;padding:5px 8px;cursor:pointer;text-align:left}
.picker-btn span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.picker-btn i{font-style:normal;color:var(--muted);font-size:11px}
.picker-btn.set{border-color:var(--accent);color:var(--accent)}
.picker-pop{position:absolute;z-index:30;left:-68px;right:0;top:calc(100% + 4px);background:var(--paper);border:1px solid var(--line2);border-radius:12px;
  box-shadow:0 18px 44px -10px rgba(40,30,20,.32);padding:8px}
.picker-pop input{width:100%;padding:8px 10px}
.picker-list{max-height:min(380px,55vh);overflow:auto;margin-top:6px}
.pk-group{font-size:11.5px;color:var(--muted);padding:8px 8px 4px;position:sticky;top:0;background:var(--paper);z-index:1}
.pk-group span{opacity:.7}
.pk-item{display:flex;align-items:baseline;gap:8px;padding:6px 8px;border-radius:7px;cursor:pointer}
.pk-item b{font-weight:500;white-space:nowrap}
.pk-og{font-size:11.5px;color:var(--muted);white-space:nowrap}
.pk-tg{font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-left:auto;padding-left:6px}
.pk-item.hl{background:var(--line)}
.pk-item.on b{color:var(--accent)}
.pk-empty{padding:14px 8px;color:var(--muted);font-size:13px}

/* 指令框清空 */
.instr-wrap{position:relative}
.instr-wrap .instr{padding-right:32px;width:100%}
.instr-clear{position:absolute;top:7px;right:7px;width:22px;height:22px;border:0;border-radius:50%;background:var(--line);color:var(--ink2);
  cursor:pointer;font-size:11px;line-height:22px;padding:0;text-align:center}
.instr-clear:hover{background:var(--line2);color:var(--ink)}

/* 导出 / 导入 */
.ex-head{display:flex;align-items:center;gap:6px;margin-bottom:8px}
.ex-head .grow{flex:1}
.ex-list{max-height:32vh;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:4px}
.modal-body .ex-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:7px;cursor:pointer;margin:0;color:var(--ink);font-size:14px}
.ex-item:hover{background:var(--bg)}
.modal-body .ex-item input,.modal-body .ex-fmt input,.modal-body .chk input{display:inline-block;width:auto;margin:0;accent-color:var(--accent);padding:0}
.ex-item .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ex-fmts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.modal-body .ex-fmt{display:flex;gap:8px;align-items:flex-start;border:1px solid var(--line2);border-radius:10px;padding:8px 10px;cursor:pointer;margin:0}
.modal-body .ex-fmt input{margin-top:3px}
.ex-fmt:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.ex-fmt b{display:block;font-size:14px;color:var(--ink)}
.ex-fmt span{font-size:12px;color:var(--muted)}
.modal-body .chk{display:flex;align-items:center;gap:6px;color:var(--ink2);font-size:13px}
.or-line{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12.5px;margin:14px 0 10px}
.or-line::before,.or-line::after{content:"";flex:1;height:1px;background:var(--line)}
@media (max-width:640px){.ex-fmts{grid-template-columns:repeat(2,1fr)}}

/* 标点习惯 */
.punct-rows{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px}
.punct-rows .stat span{display:block;margin-bottom:2px}
.punct-rows .stat b{font-size:14px;font-family:var(--sans);font-weight:500}
.punct-rules{margin:12px 0 0;padding-left:18px;font-size:13px;color:var(--ink2);line-height:1.8}
.card h3 .chk{font-size:12.5px;font-weight:400;font-family:var(--sans);display:flex;align-items:center;gap:6px}
.card h3 .chk input{accent-color:var(--accent)}
.paste-row + details{margin-top:6px}

/* 注册设置 */
.admin-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.admin-card-head{display:flex;align-items:baseline;gap:10px;margin-bottom:10px}
.admin-card-head b{font-size:15px}
.reg-modes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.reg-modes label{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line2);border-radius:10px;padding:10px 12px;cursor:pointer;transition:.15s}
.reg-modes label:hover{border-color:var(--ink2)}
.reg-modes label:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.reg-modes input{margin:3px 0 0;accent-color:var(--accent);padding:0}
.reg-modes b{display:block;font-size:14px}
.reg-modes span{font-size:12.5px;color:var(--muted)}
.reg-invite{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:var(--ink2)}
.reg-invite input{width:200px}
.reg-save{display:flex;align-items:center;gap:10px;margin-top:12px}
@media (max-width:700px){.reg-modes{grid-template-columns:1fr}}

/* modal / toast */
.modal{position:fixed;inset:0;background:rgba(30,20,10,.35);display:grid;place-items:center;z-index:50;padding:20px}
.modal-card{width:min(640px,100%);max-height:88vh;display:flex;flex-direction:column;background:var(--paper);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.25);overflow:hidden}
.modal-card header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.modal-body{padding:16px 18px;overflow:auto}
.modal-body label{display:block;margin-bottom:10px;font-size:13px;color:var(--ink2)}
.modal-body label input,.modal-body label textarea{display:block;width:100%;margin-top:4px}
.modal-body .md{font-size:14px;line-height:1.75}
.modal-body .md ul{padding-left:18px}
.modal-card footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--line)}
.modal-card footer:empty{display:none}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:9px 18px;border-radius:10px;z-index:60;box-shadow:var(--shadow);font-size:13.5px;max-width:80vw}
.spin{display:inline-block;width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .8s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}

/* responsive */
@media (hover:none){.doc-item .dmore,.proj-name .more{opacity:1}}
@media (max-width:900px){.desk-head{flex-wrap:wrap}.desk-tools{flex-wrap:wrap}.doc-title{min-width:120px}.pop{left:12px!important;right:12px;width:auto}}
@media (max-width:520px){.auth{padding:24px 12px;align-items:flex-start}.auth-card{border:0;box-shadow:none;background:transparent;padding:32px 8px}}
@media (max-width:1180px){.assist{width:330px}.tree{width:200px}}
@media (max-width:900px){
  .app{flex-direction:column;height:auto;min-height:100vh;overflow:visible}
  .rail{width:100%;flex-direction:row;height:56px;padding:0 6px;border-right:0;border-bottom:1px solid var(--line);overflow-x:auto}
  .rail .seal.small,.rail .rail-logo{margin:0 8px 0 4px}
  .rail-btn{margin:0}
  .rail-grow{display:none}
  .view{flex-direction:column;overflow:visible}
  .tree{width:100%;max-height:180px;border-right:0;border-bottom:1px solid var(--line)}
  .assist{width:100%;border-left:0;border-top:1px solid var(--line);min-height:70vh}
  .list-col{width:100%;border-right:0;border-bottom:1px solid var(--line)}
  .detail-col{padding:16px}
}