/* ===================== 变量 ===================== */
:root{
  --bg:#f5f6f8;
  --canvas:#eef0f4;
  --panel:#ffffff;
  --line:#e9ebf0;
  --line-2:#dfe2e9;
  --ink:#1d2129;
  --ink-2:#4e5969;
  --muted:#86909c;
  --faint:#a9b0bb;
  --accent:#4f46e5;
  --accent-soft:#eef0fe;
  --accent-line:#c7c9f7;
  --vip:#d97706;
  --vip-soft:#fef6e7;
  --radius:8px;
  --shadow-1:0 1px 2px rgba(29,33,41,.05);
  --shadow-2:0 2px 8px rgba(29,33,41,.06),0 12px 32px rgba(29,33,41,.07);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow:hidden;font-size:13px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;font-size:inherit;}
input{font-family:inherit;}
.hidden{display:none !important;}
.vsep{width:1px;height:18px;background:var(--line-2);}

/* ===================== 顶栏 ===================== */
.appbar{
  height:52px;display:flex;align-items:center;gap:14px;padding:0 16px;
  background:var(--panel);border-bottom:1px solid var(--line);position:relative;z-index:20;
}
.brand{display:flex;align-items:center;gap:8px;flex:none;}
.mark{
  width:26px;height:26px;border-radius:7px;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;
  box-shadow:0 2px 6px rgba(79,70,229,.28);
}
.brand .name{font-size:13.5px;font-weight:600;letter-spacing:.3px;}

.doc-title{
  flex:1;max-width:420px;height:30px;border:1px solid transparent;border-radius:6px;
  background:transparent;padding:0 10px;font-size:13px;color:var(--ink);outline:none;
  transition:background .15s,border-color .15s;
}
.doc-title:hover{background:#f7f8fa;}
.doc-title:focus{background:#fff;border-color:var(--accent-line);box-shadow:0 0 0 3px rgba(79,70,229,.08);}

.appbar-right{margin-left:auto;display:flex;align-items:center;gap:8px;}
.wc{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:48px;text-align:right;}

.btn{
  height:30px;padding:0 12px;border-radius:6px;font-size:12.5px;color:var(--ink-2);
  display:inline-flex;align-items:center;gap:5px;transition:background .15s,color .15s,border-color .15s;
  border:1px solid transparent;white-space:nowrap;
}
.btn:hover{background:#f2f3f6;color:var(--ink);}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:500;}
.btn.primary:hover{background:#4338ca;border-color:#4338ca;color:#fff;}
.btn.ghost{border-color:var(--line-2);background:#fff;}
.btn.ghost:hover{border-color:#c9cdd4;background:#fafbfc;}
.btn.user{border-color:var(--line-2);background:#fff;padding:0 10px;color:var(--ink-2);}
.btn.user.vip{color:var(--vip);border-color:#f3ddb3;background:var(--vip-soft);}
.btn.block{width:100%;justify-content:center;height:34px;font-size:13px;margin-top:4px;}

/* ===================== 主体三栏 ===================== */
.main{height:calc(100% - 52px);display:grid;grid-template-columns:296px minmax(0,1fr) 268px;}

.side{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;}
.side-tabs{display:flex;border-bottom:1px solid var(--line);flex:none;padding:0 6px;}
.side-tab{
  flex:1;height:40px;font-size:12.5px;color:var(--muted);position:relative;
  transition:color .15s;border-radius:0;
}
.side-tab:hover{color:var(--ink-2);}
.side-tab.active{color:var(--accent);font-weight:600;}
.side-tab.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;
  width:22px;height:2px;background:var(--accent);border-radius:2px 2px 0 0;
}
.side-body{flex:1;overflow-y:auto;padding:14px;}
.side-body::-webkit-scrollbar{width:8px;}
.side-body::-webkit-scrollbar-thumb{background:#dcdfe6;border-radius:4px;border:2px solid #fff;}

/* 分组 */
.group{margin-bottom:18px;}
.group-hd{
  display:flex;align-items:center;gap:8px;margin:0 0 9px;
  font-size:11px;color:var(--muted);letter-spacing:1px;
}
.group-hd::after{content:"";flex:1;height:1px;background:var(--line);}

/* 样式格子 */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.grid-1{grid-template-columns:1fr;}

.cell{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;
  display:flex;flex-direction:column;text-align:left;position:relative;
  transition:border-color .15s,box-shadow .15s,transform .08s;
}
.cell:hover{border-color:var(--accent-line);box-shadow:0 2px 10px rgba(79,70,229,.10);}
.cell:active{transform:scale(.985);}
.cell-pv{
  height:62px;background:#fcfcfd;display:flex;align-items:center;justify-content:center;
  padding:6px 8px;overflow:hidden;position:relative;
}
.cell-pv .t{font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;}
.cell-pv .p{font-size:10px;line-height:1.6;color:#6b7280;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cell-nm{
  font-size:10.5px;color:var(--muted);padding:5px 6px;border-top:1px solid var(--line);
  text-align:center;letter-spacing:.2px;background:#fff;
}
.cell .vip-tag{
  position:absolute;top:5px;right:5px;font-size:9px;padding:1px 4px;border-radius:3px;
  background:var(--vip-soft);color:var(--vip);border:1px solid #f3ddb3;letter-spacing:0;
}

/* 素材缩略 */
.mat-pv{display:block;width:118%;zoom:.85;pointer-events:none;overflow:hidden;}
.mat-pv *{max-width:100% !important;box-sizing:border-box;}
.mat-pv p{margin:1px 0 !important;}

/* 模板卡 */
.tpl{
  width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden;
  margin-bottom:12px;text-align:left;display:block;position:relative;
  transition:border-color .15s,box-shadow .15s;
}
.tpl:hover{border-color:var(--accent-line);box-shadow:0 4px 16px rgba(79,70,229,.12);}
.tpl-thumb{display:block;height:150px;background:#fbfbfc;overflow:hidden;position:relative;border-bottom:1px solid var(--line);}
.tpl-inner{display:block;width:360%;transform:scale(.278);transform-origin:top left;padding:14px 16px;pointer-events:none;}
.tpl-inner *{max-width:100% !important;}
.tpl-meta{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;font-size:11.5px;}
.tpl-meta b{font-weight:500;color:var(--ink);}
.tpl-meta em{font-style:normal;color:var(--muted);font-size:10.5px;}
.tpl .vip-tag{
  position:absolute;top:8px;right:8px;font-size:10px;padding:2px 6px;border-radius:4px;
  background:var(--vip-soft);color:var(--vip);border:1px solid #f3ddb3;
}

/* 图片库 */
.img-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.img-item{
  position:relative;border:1px solid var(--line);border-radius:6px;overflow:hidden;
  aspect-ratio:1/1;background:#f7f8fa;cursor:pointer;
}
.img-item img{width:100%;height:100%;object-fit:cover;display:block;}
.img-item:hover{border-color:var(--accent-line);}
.img-item .del{
  position:absolute;top:3px;right:3px;width:18px;height:18px;border-radius:4px;
  background:rgba(0,0,0,.55);color:#fff;font-size:11px;line-height:18px;text-align:center;
  opacity:0;transition:opacity .15s;
}
.img-item:hover .del{opacity:1;}
.empty{
  text-align:center;color:var(--faint);font-size:12px;line-height:1.9;padding:36px 12px;
}
.upload-box{
  border:1px dashed var(--line-2);border-radius:8px;padding:18px;text-align:center;
  color:var(--muted);font-size:12px;cursor:pointer;transition:border-color .15s,background .15s;
  margin-bottom:12px;
}
.upload-box:hover{border-color:var(--accent-line);background:#fafaff;color:var(--accent);}

/* ===================== 编辑区 ===================== */
.stage{display:flex;flex-direction:column;overflow:hidden;background:var(--canvas);}

.toolbar{
  height:44px;display:flex;align-items:center;gap:1px;padding:0 10px;flex:none;
  background:var(--panel);border-bottom:1px solid var(--line);overflow-x:auto;
}
.toolbar::-webkit-scrollbar{height:0;}
.tb{
  width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);transition:background .15s,color .15s;flex:none;
}
.tb:hover{background:#f2f3f6;color:var(--ink);}
.tb.on{background:var(--accent-soft);color:var(--accent);}
.tb svg{width:16px;height:16px;display:block;}
.tb-sep{width:1px;height:16px;background:var(--line-2);margin:0 4px;flex:none;}

.tb-select{
  height:28px;border:1px solid var(--line-2);border-radius:6px;background:#fff;
  font-size:12px;color:var(--ink-2);padding:0 4px;outline:none;flex:none;
}
.tb-select:hover{border-color:#c9cdd4;}
.tb-label{
  height:26px;padding:0 8px;border-radius:6px;display:inline-flex;align-items:center;gap:4px;
  font-size:11.5px;color:var(--accent);background:var(--accent-soft);flex:none;font-weight:500;
}
.tb-label:hover{background:#e4e6fd;}
.tb-label svg{width:14px;height:14px;}

.canvas{flex:1;overflow-y:auto;padding:26px 20px 80px;display:flex;justify-content:center;}
.canvas::-webkit-scrollbar{width:10px;}
.canvas::-webkit-scrollbar-thumb{background:#d3d7de;border-radius:5px;border:3px solid transparent;background-clip:content-box;}

.paper{
  width:460px;max-width:100%;min-height:calc(100vh - 200px);background:#fff;
  border-radius:3px;box-shadow:0 1px 3px rgba(29,33,41,.08),0 12px 32px rgba(29,33,41,.06);
  padding:26px 20px;outline:none;
  font-size:16px;line-height:1.9;color:#3d3a35;letter-spacing:.5px;
  transition:box-shadow .2s;
}
.paper:focus{box-shadow:0 1px 3px rgba(29,33,41,.08),0 18px 44px rgba(29,33,41,.09);}
.paper:empty::before{content:"粘贴文章内容，或点工具栏「一键排版」";color:#c3c8d0;font-size:13px;letter-spacing:0;}
.paper img{max-width:100%;height:auto;display:block;margin:0 auto;border-radius:3px;}
.paper p{margin:0 0 16px;}
.paper h1,.paper h2,.paper h3{margin:24px 0 14px;line-height:1.5;}
.paper blockquote{margin:16px 0;padding:2px 0 2px 14px;border-left:3px solid #e5e1d8;color:#7a746a;}
.paper ul,.paper ol{margin:0 0 16px;padding-left:22px;}
.paper li{margin:4px 0;}
.paper a{color:#576b95;text-decoration:none;}
.paper section{max-width:100%;}
.paper ::selection{background:#dfe2fd;}
.paper img.act,.paper [data-sel]{outline:2px solid var(--accent);outline-offset:2px;}

/* ===================== 右侧属性 ===================== */
.props{background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto;}
.props::-webkit-scrollbar{width:8px;}
.props::-webkit-scrollbar-thumb{background:#dcdfe6;border-radius:4px;border:2px solid #fff;}

.props-hd{
  height:38px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;
  font-size:11.5px;color:var(--muted);border-bottom:1px solid var(--line);flex:none;
  position:sticky;top:0;background:#fbfbfc;z-index:2;
}
.props-body{padding:12px 14px;}
.row{display:flex;align-items:center;gap:8px;margin-bottom:9px;}
.row>label{width:50px;flex:none;font-size:11.5px;color:var(--muted);}
.row input[type=number]{
  flex:1;min-width:0;height:28px;border:1px solid var(--line-2);border-radius:6px;padding:0 7px;
  font-size:12px;color:var(--ink);outline:none;background:#fff;
}
.row input[type=number]:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px rgba(79,70,229,.08);}
.row input[type=color]{
  width:38px;height:28px;border:1px solid var(--line-2);border-radius:6px;padding:2px;background:#fff;cursor:pointer;flex:none;
}
.unit{font-size:10.5px;color:var(--faint);width:14px;flex:none;}
.seg{display:flex;gap:2px;flex:1;background:#f2f3f6;padding:2px;border-radius:7px;}
.seg button{flex:1;height:24px;border-radius:5px;font-size:11px;color:var(--muted);transition:all .15s;}
.seg button:hover{color:var(--ink-2);}
.seg button.on{background:#fff;color:var(--accent);box-shadow:var(--shadow-1);font-weight:600;}
.mini{
  height:22px;padding:0 8px;border-radius:5px;font-size:11px;color:var(--ink-2);
  border:1px solid var(--line-2);background:#fff;transition:border-color .15s,color .15s;
}
.mini:hover{border-color:var(--accent-line);color:var(--accent);}

/* 快捷操作 */
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;}
.qbtn{
  height:28px;border:1px solid var(--line-2);border-radius:6px;background:#fff;
  font-size:11.5px;color:var(--ink-2);transition:border-color .15s,color .15s,background .15s;
}
.qbtn:hover{border-color:var(--accent-line);color:var(--accent);background:#fafaff;}

/* 未选中时段落控件置灰 */
.row input:disabled{background:#f7f8fa;color:#c3c8d0;border-color:var(--line);cursor:not-allowed;}
.row input[type=color]:disabled{opacity:.45;cursor:not-allowed;}

/* ===================== 弹窗 ===================== */
.modal{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;}
.modal-mask{position:absolute;inset:0;background:rgba(29,33,41,.45);backdrop-filter:blur(2px);}

.phone{
  position:relative;width:375px;height:min(760px,90vh);background:#fff;border-radius:30px;
  box-shadow:0 30px 80px rgba(0,0,0,.3);overflow:hidden;display:flex;flex-direction:column;
  border:9px solid #1d2129;
}
.phone-bar{
  height:38px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;
  font-size:11.5px;color:var(--muted);border-bottom:1px solid var(--line);flex:none;
}
.phone-screen{flex:1;overflow-y:auto;padding:18px 16px 40px;}
.phone-screen::-webkit-scrollbar{width:0;}

.dialog{
  position:relative;width:340px;background:#fff;border-radius:12px;overflow:hidden;
  box-shadow:0 24px 64px rgba(0,0,0,.24);
}
.dialog-head{
  height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;
  border-bottom:1px solid var(--line);font-size:14px;
}
.dialog-body{padding:18px 16px 20px;}
.field{display:block;margin-bottom:12px;}
.field span{display:block;font-size:11.5px;color:var(--muted);margin-bottom:5px;}
.field input{
  width:100%;height:34px;border:1px solid var(--line-2);border-radius:7px;padding:0 10px;
  font-size:13px;outline:none;transition:border-color .15s,box-shadow .15s;
}
.field input:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px rgba(79,70,229,.08);}
.hint{font-size:11px;color:var(--faint);line-height:1.7;margin:0 0 14px;}
.switch{font-size:11.5px;color:var(--muted);text-align:center;margin:12px 0 0;}
.switch a{color:var(--accent);text-decoration:none;margin-left:2px;}

/* ===================== Toast ===================== */
.toast{
  position:fixed;left:50%;bottom:40px;transform:translate(-50%,16px);
  background:#1d2129;color:#fff;font-size:12.5px;padding:9px 16px;border-radius:8px;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:80;
  box-shadow:0 10px 28px rgba(0,0,0,.22);max-width:80vw;
}
.toast.show{opacity:1;transform:translate(-50%,0);}

/* ===================== 响应式 ===================== */
@media (max-width:1180px){
  .main{grid-template-columns:260px minmax(0,1fr) 0;}
  .props{display:none;}
}
@media (max-width:860px){
  .main{grid-template-columns:0 minmax(0,1fr) 0;}
  .side{display:none;}
  .paper{width:100%;padding:20px 16px;}
  .doc-title{max-width:180px;}
}