:root{
  --bg:#fbfbf9; --panel:#fff; --line:#e4e4de; --ink:#1d1d1a; --muted:#6f6f66;
  --accent:#1f6f4a; --accent-soft:#eaf3ee; --warn:#8a5a12; --danger:#9b2c2c;
  --radius:10px; --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font:14px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  color:var(--ink); background:var(--bg);
}
a{color:var(--accent);text-decoration:none}
button,.btn{font:inherit;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:7px 14px;border-radius:8px;transition:.12s}
button:hover,.btn:hover{border-color:#c9c9c0;background:#fafaf7}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.primary:hover{background:#1a5d3e}
button.ghost{border-color:transparent;background:transparent}
button.ghost:hover{background:#f2f2ee}
button:disabled{opacity:.45;cursor:not-allowed}
input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:8px;padding:8px 11px;
  background:#fff;color:var(--ink);width:100%}
input:focus,textarea:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
code{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;background:#f3f3ee;padding:1px 5px;border-radius:4px}

/* ---------- 布局 ---------- */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:18px;
  padding:0 22px;height:56px;background:rgba(251,251,249,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.brand{font-weight:600;letter-spacing:.2px;font-size:15px}
.brand span{color:var(--accent)}
.nav{display:flex;gap:4px;margin-left:6px}
.nav a{padding:6px 12px;border-radius:8px;color:var(--muted);font-size:13.5px}
.nav a:hover{background:#f2f2ee;color:var(--ink)}
.nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:500}
.spacer{flex:1}
.searchbox{width:280px;position:relative}
.searchbox input{padding-left:32px;background:#fff}
.searchbox svg{position:absolute;left:9px;top:9px;opacity:.4}
.userchip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.avatar{width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;font-size:12px;font-weight:600}

.page{max-width:1180px;margin:0 auto;padding:26px 22px 80px}
.page.narrow{max-width:840px}
h1{font-size:21px;margin:0 0 4px;font-weight:600}
h2{font-size:16px;margin:26px 0 10px;font-weight:600}
.sub{color:var(--muted);font-size:13px;margin:0 0 20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.col{display:flex;flex-direction:column;gap:10px}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;background:#f1f1ec;color:var(--muted);font-size:12px}
.tag.accent{background:var(--accent-soft);color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.empty{padding:56px 20px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius);background:#fff}

/* ---------- 方法卡 ---------- */
.mcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;
  transition:.15s;cursor:pointer}
.mcard:hover{border-color:#cfcfc6;box-shadow:var(--shadow);transform:translateY(-1px)}
.mcard h3{margin:0 0 6px;font-size:15.5px;font-weight:600}
.mcard .meta{color:var(--muted);font-size:12.5px;display:flex;gap:10px;flex-wrap:wrap}
.mcard .stats{display:flex;gap:12px;margin-top:10px;font-size:12px;color:var(--muted)}
.mcard .stats b{color:var(--ink);font-weight:600}

/* ---------- 文档 ---------- */
.doc-layout{display:grid;grid-template-columns:210px minmax(0,1fr) 300px;gap:24px;align-items:start}
.doc-layout.focus{grid-template-columns:minmax(0,1fr)}
.toc{position:sticky;top:80px;font-size:13px;max-height:calc(100vh - 120px);
  overflow-y:auto;overflow-x:hidden;padding-right:4px;isolation:isolate}
.toc a{display:block;max-width:100%;box-sizing:border-box;padding:4px 8px;color:var(--muted);
  border-left:2px solid transparent;border-radius:0 6px 6px 0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toc a:hover{background:#f4f4ef;color:var(--ink)}
.toc a.lv2{padding-left:20px}.toc a.lv3{padding-left:32px}
/* 当前章节：只用细左边线 + 字色，不铺底色，避免任何色块压到正文 */
.toc a.active{border-left-color:var(--accent);color:var(--accent);font-weight:500;background:transparent}
.ProseMirror h1,.ProseMirror h2,.ProseMirror h3,.ProseMirror h4{scroll-margin-top:84px}

.doc-title{font-size:26px;font-weight:600;margin:0 0 6px;line-height:1.35}
.doc-meta{color:var(--muted);font-size:12.5px;display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.docbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.segmented{display:inline-flex;background:#f1f1ec;border-radius:9px;padding:3px}
.segmented button{border:none;background:transparent;padding:5px 12px;border-radius:7px;font-size:13px;color:var(--muted)}
.segmented button.on{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06);font-weight:500}

.ProseMirror{outline:none;min-height:320px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:34px 42px;font-size:15px;line-height:1.85}
.ProseMirror.readonly{background:transparent;border-color:transparent;padding:0}
.ProseMirror.focus-mode{max-width:720px;margin:0 auto;font-size:17px;line-height:2}
.ProseMirror p{margin:0 0 10px}
.ProseMirror h1{font-size:24px;margin:26px 0 10px;border-bottom:1px solid var(--line);padding-bottom:6px}
.ProseMirror h2{font-size:19px;margin:22px 0 8px}
.ProseMirror h3{font-size:16.5px;margin:18px 0 6px}
.ProseMirror h1:first-child{margin-top:0}
.ProseMirror .step{display:flex;gap:10px;margin:10px 0;position:relative}
.ProseMirror .step::before{content:counter(step);counter-increment:step;flex:none;width:22px;height:22px;
  border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:12px;display:grid;
  place-items:center;margin-top:3px;font-weight:600}
.ProseMirror .stepList{counter-reset:step}
.ProseMirror .step>p{margin:0 0 6px}
.ProseMirror .callout{border-left:3px solid #c99a3f;background:#fdf7e9;border-radius:0 8px 8px 0;
  padding:10px 14px;margin:12px 0}
.ProseMirror .callout.tip{border-color:#2f7a52;background:#f0f8f3}
.ProseMirror figure{margin:14px 0;text-align:center}
.ProseMirror figure img{max-width:100%;border-radius:8px;border:1px solid var(--line)}
.ProseMirror figure figcaption{color:var(--muted);font-size:12.5px;margin-top:6px}
.ProseMirror table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13.5px}
.ProseMirror table td,.ProseMirror table th{border:1px solid var(--line);padding:6px 9px}
.ProseMirror .selectedCell{background:#eef7f1}
.ProseMirror mark{background:#fdf0b8;padding:0 2px;border-radius:2px}
.ProseMirror .pm-placeholder::before{content:attr(data-placeholder);color:#b5b5ac;float:left;height:0;pointer-events:none}

/* 批注高亮 */
.lm-comment{background:linear-gradient(180deg,transparent 62%,#d9efe2 62%);cursor:pointer;
  border-bottom:1px dashed #2f9e63}
.lm-comment.orphan{background:none;text-decoration:line-through;text-decoration-color:#c9a227}

/* 块工具 */
.block-gutter{position:absolute;left:-34px;display:flex;gap:2px;opacity:0;transition:.12s}
.block-gutter button{width:24px;height:24px;padding:0;border-radius:6px;font-size:13px;line-height:1;color:#9a9a90;background:transparent;border:none}
.block-gutter button:hover{background:#f0f0ea;color:var(--ink)}
*:hover>.block-gutter{opacity:1}

/* 浮动工具条 */
.floating{position:absolute;z-index:60;display:flex;gap:2px;background:#1f1f1c;border-radius:9px;padding:4px;
  box-shadow:0 8px 24px rgba(0,0,0,.18)}
.floating button{background:transparent;border:none;color:#f2f2ee;padding:5px 10px;border-radius:6px;font-size:12.5px}
.floating button:hover{background:#3a3a35}

/* 批注面板 */
.comment-panel{position:sticky;top:80px;max-height:calc(100vh - 120px);overflow:auto}
.comment{border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin-bottom:10px;background:#fff}
.comment.orphan{border-style:dashed;background:#fdfbf3}
.comment .head{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:6px}
.comment .quote{font-size:12.5px;color:#4d4d45;background:#f6f6f1;border-left:2px solid #ddd;padding:4px 8px;margin:6px 0;border-radius:0 4px 4px 0}
.comment .msg{font-size:13px;margin:6px 0}
.comment .msg b{font-weight:600;margin-right:6px}
.comment textarea{min-height:60px;font-size:13px;margin-top:6px}
.comment .actions{display:flex;gap:6px;margin-top:8px}
.comment .actions button{padding:4px 9px;font-size:12px}

/* 登录 */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:360px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 28px;box-shadow:var(--shadow)}
.login-card h1{font-size:20px;margin-bottom:2px}
.login-card .sub{margin-bottom:22px}
.login-card .col{gap:12px}
.hint{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.6}

/* 导入 */
.dropzone{border:1.5px dashed #cfcfc6;border-radius:12px;padding:46px 20px;text-align:center;background:#fff;cursor:pointer;transition:.15s}
.dropzone.hover{border-color:var(--accent);background:#f5fbf7}
.blocks-list{max-height:520px;overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
.blocks-list .b{display:flex;gap:10px;padding:7px 12px;border-bottom:1px solid #f1f1ec;font-size:13px;align-items:flex-start}
.blocks-list .b:last-child{border-bottom:none}
.blocks-list .idx{color:#b3b3aa;font-family:ui-monospace,monospace;font-size:11.5px;width:24px;flex:none;padding-top:2px}
.blocks-list .role{flex:none;width:92px}
.blocks-list .role select{padding:2px 4px;font-size:12px;border-radius:5px}
.blocks-list .tx{flex:1;color:#33332d;overflow:hidden;text-overflow:ellipsis;max-height:44px}
.issue{padding:9px 12px;border-radius:8px;font-size:13px;margin-bottom:6px;border:1px solid transparent}
.issue.critical{background:#fdecec;border-color:#f3c6c6;color:#8c2222}
.issue.major{background:#fdf7e9;border-color:#efe0b8;color:#6b5518}
.issue.minor{background:#f2f4f8;border-color:#dde3ee;color:#3d4d6b}

/* AI */
.ai-panel{position:fixed;right:20px;bottom:20px;width:380px;max-height:70vh;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:0 18px 48px rgba(0,0,0,.14);display:flex;flex-direction:column;z-index:80}
.ai-panel header{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);font-weight:600;font-size:13.5px}
.ai-body{padding:12px 14px;overflow:auto;flex:1;font-size:13.5px}
.ai-body .q{background:#f2f2ee;border-radius:10px;padding:8px 12px;margin:8px 0 10px;font-size:13px}
.ai-body .a{white-space:pre-wrap}
.cite{display:block;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0 8px 8px 0;
  padding:8px 10px;margin:6px 0;font-size:12.5px;cursor:pointer;background:#fff}
.cite:hover{background:#f7fbf8}
.cite b{display:block;font-size:12.5px;margin-bottom:2px}
.ai-input{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line)}
.ai-input input{flex:1}

/* 记录 */
.banner{background:#f6f8f4;border:1px solid #dbe6d8;color:#3d5a3a;border-radius:8px;padding:8px 12px;font-size:12.5px;margin-bottom:16px}

/* 弹层 */
.overlay{position:fixed;inset:0;background:rgba(20,20,18,.35);display:grid;place-items:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:14px;max-width:720px;width:100%;max-height:84vh;overflow:auto;box-shadow:0 24px 60px rgba(0,0,0,.2)}
.modal header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);font-weight:600}
.modal .body{padding:18px 20px}
.modal .foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#21211d;color:#fff;
  padding:9px 16px;border-radius:9px;font-size:13px;z-index:200;opacity:0;transition:.2s}
.toast.show{opacity:1}

/* 移动端 */
@media(max-width:1080px){
  .doc-layout{grid-template-columns:minmax(0,1fr) 280px}
  .toc{display:none}
}
@media(max-width:820px){
  .topbar{gap:10px;padding:0 14px}
  .nav{display:none}
  .searchbox{width:auto;flex:1}
  .doc-layout{grid-template-columns:minmax(0,1fr)}
  .comment-panel{position:static;max-height:none;margin-top:20px}
  .ProseMirror{padding:20px 18px;font-size:15.5px;border-radius:10px}
  .doc-title{font-size:21px}
  .page{padding:18px 14px 60px}
  .ai-panel{left:12px;right:12px;bottom:12px;width:auto;max-height:76vh}
  .bottom-sheet{position:fixed;left:0;right:0;bottom:0;background:#fff;border-radius:16px 16px 0 0;
    box-shadow:0 -10px 40px rgba(0,0,0,.16);max-height:76vh;overflow:auto;z-index:120;padding:14px}
  .mobile-comment-mark{border-bottom:1px dashed #2f9e63;background:linear-gradient(180deg,transparent 62%,#d9efe2 62%)}
}
@media print{
  .topbar,.docbar,.comment-panel,.toc,.block-gutter,.floating,.ai-panel{display:none!important}
  .ProseMirror{border:none;padding:0}
}

/* 移动端细节修正（2026-10-25） */
@media(max-width:820px){
  .topbar{height:54px;gap:8px;padding:0 12px;flex-wrap:nowrap}
  .brand{font-size:14px;white-space:nowrap}
  .userchip span{display:none}
  .userchip button{padding:4px 8px;font-size:12.5px}
  .searchbox input{height:32px;font-size:13px;padding-left:28px}
  .searchbox svg{top:8px;left:8px}
  .docbar{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;gap:6px}
  .docbar .spacer{display:none}
  .docbar button{padding:6px 10px;font-size:13px;white-space:nowrap}
  .segmented{flex:none}
  .segmented button{padding:5px 10px;font-size:12.5px}
  .doc-title{font-size:20px;line-height:1.4}
  .doc-meta{font-size:12px;gap:8px}
  .mcard h3{font-size:14.5px}
  .blocks-list .role{width:78px}
  .blocks-list .role select{font-size:11.5px}
}

/* 真表格（prosemirror-tables） */
.ProseMirror .tableWrapper{overflow-x:auto;margin:12px 0}
.ProseMirror table{table-layout:fixed;width:100%;border-collapse:collapse;margin:0}
.ProseMirror th{background:#f6f6f1;font-weight:600;text-align:left}
.ProseMirror td,.ProseMirror th{border:1px solid var(--line);padding:6px 9px;vertical-align:top;position:relative;min-width:60px}
.ProseMirror td p,.ProseMirror th p{margin:0}
.ProseMirror .selectedCell:after{content:"";position:absolute;inset:0;background:rgba(31,111,74,.12);pointer-events:none}
.ProseMirror .column-resize-handle{position:absolute;right:-2px;top:0;bottom:0;width:4px;background:var(--accent);opacity:.35;pointer-events:none}
.ProseMirror.resize-cursor{cursor:col-resize}

/* 导入预览：AI 置信度标记 */
.conf-dot{width:7px;height:7px;border-radius:50%;flex:none;margin-top:6px;display:inline-block}
.conf-dot.low{background:#d69e2e}
.conf-dot.medium{background:#c9c9c0}
.blocks-list .b.needs-review{background:#fffdf5}

/* 整块批注 */
.lm-comment-block{box-shadow:inset 3px 0 0 #2f9e63;border-radius:2px}
.lm-comment-block.orphan{box-shadow:inset 3px 0 0 #c9a227}

/* 原文对照 */
.compare{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;margin-top:12px;align-items:start}
.cmp-head{font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:500}
#origList{margin:0;padding:0;list-style:none;max-height:520px;overflow:auto;
  border:1px solid var(--line);border-radius:10px;background:#fff}
#origList li{display:flex;gap:8px;padding:6px 10px;border-bottom:1px solid #f1f1ec;cursor:pointer;font-size:12.5px}
#origList li:hover{background:#f6f6f1}
#origList li.sel{background:var(--accent-soft)}
#origList .idx{color:#b3b3aa;font-family:ui-monospace,monospace;font-size:11px;width:22px;flex:none;padding-top:2px}
#origList .tx{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.blocks-list .b.sel{background:var(--accent-soft)}
@media(max-width:980px){.compare{grid-template-columns:1fr}}

/* ===== 文档页布局：正文居中 + 右侧界限 + 长文本不溢出 ===== */
.page.wide{max-width:1320px}
.doc-layout{display:grid;grid-template-columns:190px minmax(0,1fr) 320px;gap:22px;align-items:start}
.doc-main{min-width:0;width:100%;max-width:900px;margin:0 auto;padding-right:22px;
  border-right:1px solid var(--line)}
.doc-main .doc-title{margin-top:4px}
.doc-main .docbar{margin-bottom:10px}

/* 超长不换行内容（Base64、长路径、无空格串）必须断行，不能压到右栏 */
.ProseMirror,.ProseMirror p,.ProseMirror td,.ProseMirror th,.ProseMirror li{
  overflow-wrap:anywhere;word-break:break-word;min-width:0}
.ProseMirror table{table-layout:fixed}
.ProseMirror table td,.ProseMirror table th{overflow-wrap:anywhere}

/* 阅读态下正文有边界感，编辑态保留卡片 */
.ProseMirror.readonly{max-width:100%;border:none;background:transparent;padding:0}
.ProseMirror:not(.readonly){background:#fff}

/* 其他容易溢出的地方一并处理 */
.comment .quote{overflow-wrap:anywhere;word-break:break-word}
.comment .msg{overflow-wrap:anywhere}
.cite{overflow-wrap:anywhere}
.mcard h3{overflow-wrap:anywhere}
.issue{overflow-wrap:anywhere}
#origList .tx,#blist .tx{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-meta{overflow-wrap:anywhere}

@media(max-width:1180px){
  .doc-layout{grid-template-columns:170px minmax(0,1fr) 280px}
  .page.wide{max-width:1180px}
}
@media(max-width:1080px){
  .doc-layout{grid-template-columns:minmax(0,1fr) 280px}
  .doc-main{border-right:none;padding-right:0}
}
@media(max-width:820px){
  .doc-layout{grid-template-columns:minmax(0,1fr)}
  .doc-main{max-width:100%}
}

/* 与页面标题重复的首块：编辑态以外不显示 */
.lm-dup-title{display:none}

/* 移动端顶栏：把空间让给搜索，退出移到设置页 */
@media(max-width:600px){
  .topbar{gap:6px;padding:0 10px}
  .topbar #logoutBtn{display:none}
  .searchbox{flex:1 1 auto;min-width:0}
  .searchbox input{width:100%}
  .topbar .userchip{gap:4px}
}