:root{
  --bg:#f2f4f9; --card:#fff; --ink:#1c2434; --sub:#64708a; --line:#e3e8f2;
  --accent:#2457e8; --accent2:#16a085; --warn:#d97706; --danger:#dc2626;
  --math:#2457e8; --logic:#d97706;
  --r:14px; --shadow:0 1px 3px rgba(20,30,60,.08),0 6px 18px rgba(20,30,60,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:16px;-webkit-text-size-adjust:100%}
#app{display:flex;height:100vh;height:100dvh}
#sidebar{width:236px;flex:none;background:#1e2a4a;color:#e8edf7;display:flex;flex-direction:column;padding:0 10px}
.brand{display:flex;gap:10px;align-items:center;padding:16px 10px 14px}
.logo{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,#2f6bff,#14b8a6);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;flex:none}
.brand-txt{line-height:1.15}
.brand-txt b{display:block;color:#fff;font-size:16px}
.brand-txt span{font-size:11.5px;color:#9fb0d8}
#nav{display:flex;flex-direction:column;gap:2px;overflow:auto;flex:1}
#nav a{display:flex;align-items:center;gap:10px;color:#c6d0e8;text-decoration:none;padding:10px 12px;border-radius:10px;font-size:15px;position:relative}
#nav a:hover{background:rgba(255,255,255,.07);color:#fff}
#nav a.on{background:rgba(255,255,255,.14);color:#fff;font-weight:600}
#nav .badge{position:absolute;right:10px;background:#ef4444;color:#fff;border-radius:99px;font-style:normal;font-size:11px;padding:1px 7px}
.side-status{padding:10px;font-size:12px;color:#9fb0d8;line-height:1.6}
.side-status .dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:5px}
#main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}
#topbar{background:var(--card);border-bottom:1px solid var(--line);padding:14px 22px;display:flex;align-items:center;gap:12px;flex:none}
#topbar h1{font-size:19px;margin:0;font-weight:700}
.page-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.page{padding:20px 22px 60px;overflow:auto;flex:1}
@media(max-width:900px){
  #sidebar{width:190px}
  .page{padding:14px 14px 60px}
}
@media(max-width:720px){
  #app{flex-direction:column}
  #sidebar{width:100%;height:auto;flex-direction:row;align-items:center;overflow:visible;padding:6px 8px;gap:4px}
  .brand-txt{display:none}
  .logo{width:34px;height:34px;font-size:12px}
  #nav{flex-direction:row;overflow-x:auto}
  #nav a{font-size:0;padding:8px;flex:none}
  #nav a::after{content:attr(data-route);display:none}
  #nav a{position:relative}
  #nav a em.badge{top:-2px;right:-2px}
  #side-status{display:none}
  #topbar{padding:10px 14px}
  .page{padding:12px 12px 90px}
}
/* common */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
h2.sec{font-size:16px;margin:6px 0 12px}
h3.min{font-size:14px;margin:14px 0 8px;color:var(--sub)}
.muted{color:var(--sub)}
.small{font-size:13px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.spread{justify-content:space-between}
button{font:inherit;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:8px 14px;cursor:pointer;display:inline-flex;gap:6px;align-items:center}
button:hover{border-color:#b9c6e2;background:#f7f9ff}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.primary:hover{background:#1d48c6}
button.ghost{background:transparent;border-color:transparent;color:var(--accent)}
button.danger{color:var(--danger);border-color:#f3c2c2}
button.small{padding:5px 10px;font-size:13px;border-radius:8px}
button:disabled{opacity:.5;cursor:not-allowed}
button.ok{background:var(--accent2);border-color:var(--accent2);color:#fff}
input[type=text],input[type=password],input[type=number],input[type=url],input[type=search],select,textarea{font:inherit;width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:#fff;color:var(--ink)}
textarea{resize:vertical;min-height:74px;line-height:1.6}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(36,87,232,.25);border-color:var(--accent)}
label.fld{display:block;margin-bottom:10px;font-size:13.5px;color:var(--sub)}
label.fld>span{display:block;margin-bottom:4px;color:var(--ink);font-weight:600}
fieldset{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:0 0 14px}
legend{font-weight:600;font-size:13px;color:var(--sub);padding:0 6px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:99px;padding:4px 11px;font-size:13px;background:#fff;margin:0 6px 6px 0}
.chip.on{background:#eef3ff;border-color:var(--accent);color:var(--accent)}
.chip .x{cursor:pointer;color:var(--sub)}
.tag{display:inline-block;border-radius:6px;padding:2px 8px;font-size:12px;margin:0 4px 4px 0;background:#eef2fb;color:#31456e}
.tag.subject-math{background:#e5edff;color:#1d4ed8}
.tag.subject-logic{background:#fdf0df;color:#b45309}
.tag.master{background:#e2f6ee;color:#0f7a5f}
.tag.pending{background:#fdf1d8;color:#b45309}
.conf{font-size:11.5px;border-radius:6px;padding:1px 6px;margin-left:6px;background:#eef2fb;color:#445}
.conf.ok{background:#e2f6ee;color:#0f7a5f}
.conf.mid{background:#fdf1d8;color:#b45309}
.conf.low{background:#fde3e3;color:#b91c1c}
.katex-display{margin:.4em 0;overflow-x:auto}
.math-block{background:#f8fafd;border:1px dashed #c7d4ee;border-radius:8px;padding:6px 10px;margin:6px 0}
pre.ocr{white-space:pre-wrap;background:#f8fafd;border:1px solid var(--line);border-radius:10px;padding:10px;font-size:14px;font-family:ui-monospace,Menlo,Consolas,monospace;line-height:1.7}
img.th{max-width:100%;border-radius:10px;border:1px solid var(--line)}
.thumb{position:relative;width:120px;height:120px;border-radius:10px;overflow:hidden;border:1px solid var(--line);flex:none}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .rm{position:absolute;right:2px;top:2px;background:rgba(0,0,0,.55);color:#fff;border:none;padding:2px 7px;border-radius:7px;font-size:12px}
.empty{padding:40px 10px;text-align:center;color:var(--sub)}
.qitem{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px;background:#fff;cursor:pointer}
.qitem:hover{border-color:#a9bce8;box-shadow:var(--shadow)}
.qitem .top{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.qitem .stem{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:6px;color:#2a3550;line-height:1.6}
.progress{height:8px;background:#e6ebf5;border-radius:99px;overflow:hidden}
.progress>i{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .3s}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left;vertical-align:top}
.tbl th{color:var(--sub);font-weight:600;white-space:nowrap}
.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.stat b{font-size:26px;display:block}
.stat span{font-size:12.5px;color:var(--sub)}
.hintbox{background:#fff8ec;border:1px solid #f5d9a8;border-radius:10px;padding:10px 12px;font-size:13.5px;color:#7c4a03;margin:10px 0}
.warnbox{background:#fdf0f0;border:1px solid #f2c4c4;border-radius:10px;padding:10px 12px;font-size:13.5px;color:#9b1c1c;margin:10px 0}
.infobox{background:#eef4ff;border:1px solid #c9d8f7;border-radius:10px;padding:10px 12px;font-size:13.5px;color:#27417c;margin:10px 0}
.note{font-size:12.5px;color:var(--sub)}
.spinner{display:inline-block;width:15px;height:15px;border:2px solid #c9d6ef;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-2px;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}
/* modal */
#modal-root{position:fixed;inset:0;display:none;z-index:60}
#modal-root.open{display:block}
.mask{position:absolute;inset:0;background:rgba(15,23,42,.45)}
.dialog{position:relative;max-width:640px;margin:7vh auto;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.3);max-height:84vh;display:flex;flex-direction:column}
.dialog.wide{max-width:920px}
.dialog h3{padding:16px 20px 0;margin:0;font-size:17px}
.dialog .dbody{padding:14px 20px;overflow:auto}
.dialog .dfoot{padding:12px 20px 16px;display:flex;gap:8px;justify-content:flex-end;border-top:1px solid var(--line)}
#toast-root{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#1e2a4a;color:#fff;border-radius:10px;padding:9px 16px;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:80vw;animation:pop .18s ease}
.toast.err{background:#b91c1c}
.toast.ok{background:#0f7a5f}
@keyframes pop{from{opacity:0;transform:translateY(6px)}}
/* print */
@media print{
  body{background:#fff}
  #sidebar,#topbar,.no-print,#toast-root,#modal-root{display:none !important}
  #page{padding:0;overflow:visible}
  .card{border:none;box-shadow:none;break-inside:avoid;page-break-inside:avoid}
}
#print-root{display:none}
#print-root.printing{display:block;background:#fff;padding:30px;font-size:13px}
#print-root.printing .pq{margin-bottom:18px;page-break-inside:avoid}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px;overflow-x:auto}
.tabs button{border:none;background:none;border-radius:8px 8px 0 0;padding:8px 14px;color:var(--sub)}
.tabs button.on{color:var(--accent);font-weight:700;box-shadow:inset 0 -2px 0 var(--accent)}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.filters input,.filters select{width:auto}
.options-line{display:flex;gap:6px;margin-bottom:6px}
.options-line .k{flex:none;width:44px;text-align:center}
.stepnum{width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.timeline{counter-reset:step}

/* ---- 第二轮：图表/表格/分页/题库 ---- */
.chartbox{position:relative;height:280px;margin-top:6px}
.chartbox.tall{height:320px}
.chartbox .empty-chart{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--sub);font-size:13.5px}
.card canvas.chart{width:100% !important;height:100% !important;display:block}
.tblwrap{max-height:440px;overflow:auto;border:1px solid var(--line);border-radius:10px}
.tblwrap table.tbl{margin:0}
.tblwrap .tbl th{position:sticky;top:0;background:#f7f9ff;z-index:1}
.pager{display:flex;gap:6px;align-items:center;justify-content:flex-end;margin-top:10px;flex-wrap:wrap}
.pager button{min-width:34px;padding:4px 9px;font-size:13px}
.pager .cur{font-weight:700;color:var(--accent)}
.bankhead{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:12px}
.bstatus{display:inline-block;border-radius:99px;padding:2px 9px;font-size:11.5px;white-space:nowrap}
.st-pending{background:#eef1f6;color:#5b6b8c}
.st-processing{background:#e7efff;color:#1d4ed8}
.st-review{background:#fdf1d8;color:#b45309}
.st-confirmed{background:#e5f2ff;color:#0369a1}
.st-ready{background:#e2f6ee;color:#0f7a5f}
.st-archived{background:#ececec;color:#777}
.mtype{display:inline-block;border-radius:6px;padding:1px 7px;font-size:11.5px;background:#f1f3fa;color:#44507a}
.mtype.year{background:#eef7ff;color:#0b6fb8}
.bankcard{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px;background:#fff}
.bankcard h3{margin:0 0 4px;font-size:15px}
.bankcard .meta{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.mat-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.itemrow{display:flex;gap:8px;align-items:center;padding:9px 6px;border-bottom:1px solid var(--line)}
.itemrow .stem{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#2a3550}
.pg-fail{background:#fdeaea;border-radius:8px;padding:2px 8px;color:#b91c1c;font-size:12px;display:inline-block;margin:2px}
.optline{display:flex;gap:6px;margin-bottom:6px}
.optline input.k{width:44px;flex:none;text-align:center}

/* ============ 第三轮：备考工作台式视觉改版（暖灰白 / 深青绿 / 轻阴影） ============ */
:root{
  --bg:#F5F7F5; --bg-soft:#FBFCFA; --card:#fff; --card-warm:#FDFCF8;
  --ink:#22302B; --sub:#66756E; --sub2:#8A9790; --line:#E5EAE3; --line2:#D7DED3;
  --accent:#0F766E; --accent-2:#149E8F; --accent-soft:#E4F2EF;
  --hl:#E9B949; --hl-soft:#FBF1D9;               /* 暖黄强调 */
  --danger:#E05B5B; --danger-soft:#FBE9E7;         /* 柔和红 */
  --ok:#3E9B6A; --ok-soft:#E6F3EB;                /* 完成绿 */
  --ai:#6C7CF0; --ai-soft:#EDEFFD;                /* AI 浅紫蓝 */
  --warn:#D9912E; --warn-soft:#FDF3E2;
  --math:#0F766E; --logic:#B4742F;
  --r:16px; --r-sm:12px;
  --shadow:0 1px 2px rgba(34,48,43,.05),0 6px 18px rgba(34,48,43,.05);
  --shadow-lift:0 2px 4px rgba(34,48,43,.07),0 14px 30px rgba(34,48,43,.09);
}
body{background:var(--bg);color:var(--ink)}
#sidebar{background:#14322D;color:#E7EFEA;width:228px;padding:0 12px}
.brand{padding:18px 6px 12px}
.logo{background:linear-gradient(150deg,#1B8F7E,#3E9B6A);border-radius:12px;font-size:14px}
.brand-txt b{color:#fff;font-size:15px}
.brand-txt span{color:#A8BFB7;font-size:11px}
#nav{padding:2px 0 8px}
.navg{font-size:11px;letter-spacing:.12em;color:#8FAE9F;padding:12px 10px 4px;font-weight:700;text-transform:uppercase}
#nav a{color:#C9DBD2;font-size:14px;padding:8px 12px;border-radius:10px}
#nav a:hover{background:rgba(255,255,255,.07);color:#fff}
#nav a.on{background:#1F4A41;color:#fff;font-weight:600}
#nav .badge{background:var(--hl);color:#4a3500;font-weight:700}
.side-status{color:#A8BFB7;background:rgba(255,255,255,.05);border-radius:10px;margin:4px 2px 8px;padding:8px 10px}
.side-status .dot{width:7px;height:7px}
#main{background:var(--bg)}
#modal-root button,#modal-root input,#modal-root select,#modal-root textarea,#topbar button,#sidebar a{min-height:44px}
#modal-root input[type="checkbox"],#modal-root input[type="radio"]{min-height:22px;min-width:22px}
#topbar{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:10px 22px;gap:14px;flex-wrap:wrap}
#topbar h1{font-size:18px}
#tb-left{display:flex;align-items:baseline;gap:10px;min-width:0}
#tb-left h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-date{font-size:12.5px;color:var(--sub2);white-space:nowrap}
#tb-mid{flex:1;min-width:140px;max-width:420px}
#tb-search{background:#fff;border-radius:99px;padding:7px 14px;font-size:14px;box-shadow:inset 0 0 0 1px var(--line)}
#tb-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
#tb-right button{padding:7px 13px;border-radius:10px}
.page{padding:22px 26px 70px}
@media(max-width:900px){#sidebar{width:196px}}
@media(max-width:720px){#tb-mid{display:none}.tb-date{display:none}}
/* 通用卡片暖化 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card.warm{background:var(--card-warm)}
h2.sec{font-size:15px}
button{border-radius:11px;border:1px solid var(--line)}
button.primary{background:var(--accent);border-color:var(--accent)}
button.primary:hover{background:#0C6A63}
button.ok{background:var(--ok);border-color:var(--ok)}
button.danger{color:var(--danger);border-color:#F3CFC9}
.tag.subject-math{background:var(--accent-soft);color:#0B5E57}
.tag.subject-logic{background:var(--hl-soft);color:#8a5b08}
.tag.master{background:var(--ok-soft);color:#1E7A4C}
.tag.pending{background:var(--hl-soft);color:#8a5b08}
.tag{background:#F0F4EF;color:#43524A}
.conf.ok{background:var(--ok-soft);color:#1E7A4C}
.conf.mid{background:var(--hl-soft);color:#8a5b08}
.conf.low{background:var(--danger-soft);color:#B13D3D}
.warnbox{background:var(--danger-soft);border-color:#F2CFC8;color:#98302C}
.hintbox{background:var(--hl-soft);border-color:#EDD9A8;color:#7a5a12}
.infobox{background:var(--accent-soft);border-color:#CDE3DC;color:#11524B}
.ai-soft{background:var(--ai-soft);border-color:#D8DCF7;color:#4A54B4}
.qitem{border-radius:14px;border-color:var(--line);background:var(--card)}
.qitem:hover{border-color:#BFCDC4;box-shadow:var(--shadow-lift)}
.progress>i{background:var(--accent)}
.chip.on{background:var(--accent-soft);border-color:var(--accent);color:#0C6A63}
.stat{background:var(--card);border-color:var(--line);border-radius:16px}
#toast-root .toast{background:#223A33}
.st-pending{background:#EEF1EF;color:#5B6B64}
.st-processing{background:var(--accent-soft);color:#0B5E57}
.st-review{background:var(--hl-soft);color:#8a5b08}
.st-confirmed{background:#E5F0FA;color:#20618F}
.st-ready{background:var(--ok-soft);color:#1E7A4C}
.st-archived{background:#E9ECEA;color:#6b7771}
/* 工作台首页 */
.welcome{background:linear-gradient(135deg,#12332C,#155A4B);color:#EAF5EF;border:none;border-radius:18px;padding:20px 24px;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;box-shadow:var(--shadow-lift)}
.welcome h2{margin:0 0 6px;font-size:19px;color:#fff}
.welcome .sub{color:#BFD8CC;font-size:13.5px;line-height:1.7}
.welcome .big{font-size:34px;font-weight:800;color:#FFD97A;line-height:1}
.welcome .meta{display:flex;gap:26px;flex-wrap:wrap}
.welcome .meta b{display:block;font-size:13px;color:#CFE4DA;font-weight:600;margin-top:6px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;display:flex;flex-direction:column;gap:2px;box-shadow:var(--shadow)}
.kpi b{font-size:26px;line-height:1.1}
.kpi span{font-size:12.5px;color:var(--sub)}
.kpi small{font-size:11.5px;color:var(--sub2)}
.task-item{border:1px solid var(--line);border-radius:14px;padding:10px 12px;margin-bottom:8px;display:flex;gap:10px;align-items:center;background:#fff}
.task-item .t-main{flex:1;min-width:0}
.task-item .t-main .t-name{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.task-item .t-sub{font-size:12px;color:var(--sub2);margin-top:2px}
.task-item .t-badge{font-size:11.5px}
.mini{font-size:12px;color:var(--sub2)}
.hscroll{max-height:400px;overflow:auto;padding-right:2px}
/* 详情分区折叠 */
details.secbox{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;box-shadow:var(--shadow)}
details.secbox>summary{list-style:none;cursor:pointer;padding:12px 16px;font-weight:700;font-size:14.5px;color:var(--ink);display:flex;align-items:center;gap:8px;border-radius:14px}
details.secbox>summary::-webkit-details-marker{display:none}
details.secbox>summary::after{content:'▾';margin-left:auto;color:var(--sub2);transition:transform .15s}
details.secbox[open]>summary::after{transform:rotate(180deg)}
details.secbox .box-body{padding:2px 16px 16px;border-top:1px dashed var(--line2);padding-top:12px}
details.secbox .box-body>*:last-child{margin-bottom:0}
.qbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.qbar .qtitle{font-size:15.5px;font-weight:700;line-height:1.6;color:var(--ink)}
.diff{color:#E9A83B;letter-spacing:1px;font-size:12px}
/* 视图切换 & 列表视图 */
.vtoggle{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.vtoggle button{border:none;background:#fff;padding:6px 12px;font-size:13px;color:var(--sub)}
.vtoggle button.on{background:var(--accent);color:#fff}
.qrow{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin-bottom:6px;background:#fff}
.qrow .stem{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13.5px;color:#3a4a42}
/* 编辑器摘要条 */
.edhead{position:sticky;top:0;z-index:20;background:rgba(251,252,250,.96);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:14px;padding:10px 14px;margin-bottom:12px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;box-shadow:var(--shadow)}

/* ============ 第四轮：日常小镇风格借鉴（浅蓝/奶油/描边/浅色导航，无虚拟世界元素） ============ */
:root{
  --bg:#E9F1FA; --bg-soft:#F4F8FC; --card:#FDF7E7; --card-warm:#FBF0D9; --card-2:#FFFFFF;
  --ink:#2B2A24; --sub:#6E6A5C; --sub2:#97927F;
  --edge:#6B5B3E;                 /* 深棕描边（界面用 1.5px） */
  --edge-soft:#C9BC9B;
  --line:#E4DAC2; --line2:#D4C7A8;
  --accent:#D98E04; --accent-2:#B3750A; --accent-soft:#FBEEC8;   /* 暖琥珀主操作 */
  --blue:#3F7FC1; --blue-soft:#E2EEF9;                            /* 进行中 */
  --hl:#D98E04; --hl-soft:#FBEEC8;                                /* 待复习暖黄 */
  --ok:#4E9B6F; --ok-soft:#E2F1E7;                                /* 完成绿 */
  --danger:#D96A5C; --danger-soft:#F9E3DF;                        /* 薄弱柔红 */
  --ai:#6C7CF0; --ai-soft:#EDEFFD;                                /* AI 浅紫蓝 */
  --math:#3F7FC1; --logic:#B4742F;
  --r:16px; --r-sm:12px;
  --shadow:0 1px 2px rgba(80,70,40,.06),0 5px 14px rgba(80,70,40,.06);
  --shadow-lift:0 2px 5px rgba(80,70,40,.08),0 12px 26px rgba(80,70,40,.10);
}
body{background:var(--bg);color:var(--ink)}
#main{background:var(--bg)}
#modal-root button,#modal-root input,#modal-root select,#modal-root textarea,#topbar button,#sidebar a{min-height:44px}
#modal-root input[type="checkbox"],#modal-root input[type="radio"]{min-height:22px;min-width:22px}
#topbar{background:var(--bg-soft);border-bottom:1.5px solid var(--edge-soft)}
#topbar h1{color:var(--ink)}
/* 浅奶油色左侧导航 */
#sidebar{background:#F7EDD8;color:#4A3B22;width:232px;padding:0 12px;border-right:1.5px solid var(--edge-soft)}
.brand-txt b{color:#3E3320}
.brand-txt span{color:#8A7B55}
.logo{background:linear-gradient(150deg,#3F7FC1,#4E9B6F);color:#fff}
.navg{color:#A08B58;letter-spacing:.1em}
#nav a{color:#5A4B2A;border:1px solid transparent}
#nav a:hover{background:#F1E3C3;color:#3E3320}
#nav a.on{background:#FFF8E8;border-color:#C9B275;color:#3E3320;font-weight:700;box-shadow:0 1px 0 rgba(107,91,62,.15)}
#nav .badge{background:var(--hl);color:#4A3500}
.side-status{color:#6E5B35;background:rgba(255,255,255,.6);border:1px solid var(--edge-soft)}
.side-status .dot{border:1px solid rgba(0,0,0,.2)}
/* 卡片体系：奶油底 + 明显描边 + 轻阴影 */
.card,.stat,.bankcard,.qitem,.qrow,.task-item,.kpi{background:var(--card);border:1.5px solid var(--edge);border-radius:var(--r);box-shadow:var(--shadow)}
.card.warm{background:var(--card-warm)}
.card-2{background:var(--card-2);border:1.5px solid var(--edge-soft)}
h2.sec{color:var(--ink)}
.muted{color:var(--sub)}
.note{color:var(--sub2)}
/* 状态色映射 */
.tag{background:#EFE7CF;color:#6E5B35}
.tag.subject-math{background:var(--blue-soft);color:#1D5C9E}
.tag.subject-logic{background:#F6E7CE;color:#8a5b08}
.tag.master{background:var(--ok-soft);color:#1E7A4C}
.tag.pending{background:var(--hl-soft);color:#8a5b08}
.conf.ok{background:var(--ok-soft);color:#1E7A4C}
.conf.mid{background:var(--hl-soft);color:#8a5b08}
.conf.low{background:var(--danger-soft);color:#B0493C}
.bstatus.st-pending{background:#EEF0E9;color:#6B7560}
.bstatus.st-processing{background:var(--blue-soft);color:#1D5C9E}
.bstatus.st-review{background:var(--hl-soft);color:#8a5b08}
.bstatus.st-confirmed{background:#E7F0FA;color:#20618F}
.bstatus.st-ready{background:var(--ok-soft);color:#1E7A4C}
.bstatus.st-archived{background:#EDE9DC;color:#7a7157}
.infobox{background:var(--blue-soft);border-color:#BBD3EC;color:#1D4E82}
.hintbox{background:var(--hl-soft);border-color:#E8D093;color:#7a5a12}
.warnbox{background:var(--danger-soft);border-color:#EFC7BE;color:#98302C}
.ai-soft{background:var(--ai-soft);border-color:#D4D8F4;color:#4A54B4}
.progress{background:#E9E1C8}
.progress>i{background:var(--accent)}
button{border:1.5px solid var(--edge);background:#FFFCF3;border-radius:12px;color:var(--ink)}
button:hover{border-color:#8A7A50;background:#FFF7E2}
button.primary{background:var(--accent);border-color:#B3750A;color:#3A2A00}
button.primary:hover{background:var(--accent-2);color:#fff}
button.ok{background:var(--ok);border-color:#3B7B55;color:#fff}
button.danger{color:var(--danger);border-color:#E3A99E;background:#FFF8F5}
.chip{background:#fff;border:1px solid var(--edge-soft);color:#5A4B2A}
.chip.on{background:var(--blue-soft);border-color:var(--blue);color:#1D5C9E}
.tblwrap{border:1.5px solid var(--edge-soft);background:#fff}
.tbl th{background:#FBF3DE;color:#6E5B35}
.tbl td{border-bottom:1px solid var(--line)}
.chartbox{height:280px}
.chartbox.tall{height:320px}
.kpi b{color:var(--ink)}
/* 首页组件 */
.welcome{background:#FFFFFF;border:1.5px solid var(--edge);border-radius:18px;padding:16px 22px;margin-bottom:14px;display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;box-shadow:var(--shadow)}
.welcome h2{margin:0;font-size:17px;color:var(--ink)}
.welcome .sub{color:var(--sub);font-size:13px;margin-top:2px}
.due-hero{background:linear-gradient(180deg,#FFFDF6,#FBF0D9);border:2px solid var(--edge);border-radius:18px;padding:18px 22px;margin-bottom:16px;box-shadow:var(--shadow-lift)}
.due-hero .dh-top{display:flex;gap:22px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.dh-count b{font-size:34px;color:#B3750A;line-height:1}
.dh-count span{color:var(--sub);font-size:13px;display:block;margin-top:2px}
.dh-bar{display:flex;align-items:center;gap:10px;margin:12px 0 2px}
.dh-bar .progress{flex:1;max-width:520px;height:12px;border:1px solid var(--edge-soft)}
.growth{display:flex;gap:10px;flex-wrap:wrap}
.growth .g-chip{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--edge-soft);background:#fff;border-radius:99px;padding:4px 12px;font-size:12.5px;color:#5A4B2A}
.growth .g-chip b{color:var(--ink)}
.phase-badge{display:inline-flex;align-items:center;gap:4px;background:var(--blue-soft);border:1px solid var(--blue);color:#1D5C9E;border-radius:99px;padding:3px 11px;font-size:12.5px;font-weight:700}
.phase-badge.late{background:var(--ok-soft);border-color:var(--ok);color:#1E7A4C}
/* 模型选择面板 */
.model-panel{max-height:60vh;overflow:auto}
.mp-head{position:sticky;top:0;background:#fff;z-index:2;padding:6px 0 10px;border-bottom:1px solid var(--line)}
.mp-search{width:100%}
.mp-group{border:1px solid var(--line);border-radius:12px;margin:10px 0;overflow:hidden;background:#fff}
.mp-group summary{list-style:none;cursor:pointer;padding:8px 12px;font-weight:700;font-size:13.5px;background:#FBF3DE;display:flex;gap:8px;align-items:center}
.mp-group summary::-webkit-details-marker{display:none}
.mp-group .mp-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px;padding:8px 10px}
.mp-item{border:1px solid var(--edge-soft);border-radius:9px;background:#FFFCF3;padding:7px 9px;font-size:12.5px;cursor:pointer;text-align:left;color:#3E3320;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mp-item:hover{background:var(--blue-soft);border-color:var(--blue)}
.mp-item.cur{border-color:var(--blue);background:var(--blue-soft);font-weight:700}
#tb-search{background:#fff;border:1.5px solid var(--edge-soft)}
#tb-add,#tb-exp{border:1.5px solid var(--edge)}
/* 移动端/窄屏修正（必须位于主题覆盖之后） */
@media(max-width:720px){
  #sidebar{width:100%;padding:6px 8px}
}
@media(min-width:721px) and (max-width:1000px){
  #sidebar{width:210px}
}

/* ============ 终版视觉层：日常小镇纸张工作台 ============
   只覆盖视觉，不改变页面结构、路由或数据逻辑。 */
:root{
  --bg:#A9D8E9;
  --bg-soft:#DDF2F7;
  --card:#FFF4C9;
  --card-warm:#FFE9A8;
  --card-2:#F8F7E9;
  --ink:#3F321E;
  --sub:#766445;
  --sub2:#A28E67;
  --edge:#604827;
  --edge-soft:#B79862;
  --line:#E4C98F;
  --line2:#D7B875;
  --accent:#E49A16;
  --accent-2:#C9790C;
  --accent-soft:#FFF0B7;
  --blue:#4B91B9;
  --blue-soft:#DDF1F8;
  --hl:#F2B838;
  --hl-soft:#FFF1BC;
  --ok:#73A95D;
  --ok-soft:#E4F1C9;
  --danger:#C8614D;
  --danger-soft:#F9DDD0;
  --r:14px;
  --r-sm:10px;
  --shadow:0 2px 0 rgba(96,72,39,.16),0 7px 16px rgba(70,105,120,.10);
  --shadow-lift:0 3px 0 rgba(96,72,39,.18),0 12px 24px rgba(70,105,120,.14);
}
html,body{background:var(--bg);color:var(--ink)}
#app{background:var(--bg);gap:0}
#sidebar{
  width:272px; padding:0 18px 14px; background:#F8D99A; color:var(--ink);
  border-right:3px solid var(--edge); box-shadow:4px 0 0 rgba(96,72,39,.08); z-index:2;
}
.brand{padding:24px 8px 18px; gap:12px; border-bottom:2px solid rgba(96,72,39,.22); margin-bottom:10px}
.logo{width:58px;height:58px;border-radius:16px;background:#F5B934;color:#fff;border:3px solid var(--edge);box-shadow:0 3px 0 rgba(96,72,39,.2);font-size:18px}
.brand-txt b{font-size:20px;color:var(--ink);letter-spacing:.02em}
.brand-txt span{font-size:12px;color:var(--sub)}
#nav{gap:5px;padding:4px 0 12px}
.navg{font-size:12px;letter-spacing:.16em;color:#9A713A;padding:15px 10px 5px;font-weight:800}
#nav a{color:#604B2C;font-size:16px;padding:11px 14px;border:2px solid transparent;border-radius:11px;gap:11px}
#nav a:hover{background:#FFE9B5;color:var(--ink);border-color:#D5AE68}
#nav a.on{background:#FFF7DE;color:var(--ink);border-color:var(--edge);font-weight:800;box-shadow:0 2px 0 rgba(96,72,39,.16)}
#nav .badge{background:var(--danger);color:#fff;border:1px solid var(--edge);padding:1px 7px}
.side-status{margin:8px 0 0;padding:11px 12px;background:#FFF1CC;border:2px solid var(--edge-soft);border-radius:12px;color:var(--sub);font-size:12px;line-height:1.7}
#main{background:var(--bg);overflow:hidden}
#topbar{min-height:76px;padding:14px 30px;background:#DDF2F7;border-bottom:3px solid var(--edge);gap:18px}
#topbar h1{font-size:25px;letter-spacing:.02em;color:var(--ink)}
.tb-date{font-size:14px;color:var(--sub)}
#tb-mid{max-width:520px}
#tb-search{height:44px;padding:9px 18px;border:2px solid var(--edge-soft);border-radius:22px;background:#FFFDF3;box-shadow:inset 0 2px 0 rgba(96,72,39,.05);font-size:15px}
#tb-right button{height:42px;padding:8px 16px;border:2px solid var(--edge);border-radius:11px;font-weight:700}
button{border:2px solid var(--edge);border-radius:11px;background:#FFF9E9;color:var(--ink);box-shadow:0 2px 0 rgba(96,72,39,.12);transition:transform .12s ease,box-shadow .12s ease,background .12s ease}
button:hover{background:#FFF0BE;border-color:var(--edge);transform:translateY(-1px);box-shadow:0 3px 0 rgba(96,72,39,.16)}
button:active{transform:translateY(1px);box-shadow:0 1px 0 rgba(96,72,39,.12)}
button.primary{background:var(--accent);border-color:var(--edge);color:#3B270B}
button.primary:hover{background:#F2B12A;color:#3B270B}
button.ok{background:var(--ok);border-color:var(--edge);color:#fff}
.page{padding:28px 34px 80px;max-width:1500px;width:100%;margin:0 auto}
.card,.stat,.bankcard,.qitem,.qrow,.task-item,.kpi{background:var(--card);border:2px solid var(--edge);border-radius:var(--r);box-shadow:var(--shadow)}
.card{padding:22px;margin-bottom:18px}
.card.warm{background:var(--card-warm)}
h2.sec{font-size:19px;color:var(--ink);letter-spacing:.02em;margin:7px 0 15px}
h3.min{font-size:15px;color:var(--sub)}
.muted,.note{color:var(--sub)}
input[type=text],input[type=password],input[type=number],input[type=url],input[type=search],select,textarea{border:2px solid var(--edge-soft);border-radius:10px;background:#FFFDF3;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(75,145,185,.25);border-color:var(--blue)}
.tag,.chip{border:1px solid var(--edge-soft);background:#FFF9E9;color:var(--sub)}
.tag.subject-math{background:#DDF1F8;color:#286489}.tag.subject-logic{background:#FFE7BA;color:#855316}.tag.master{background:var(--ok-soft);color:#376C3F}.tag.pending{background:var(--hl-soft);color:#8A5B08}
.qitem:hover,.bankcard:hover{border-color:#8A633A;box-shadow:var(--shadow-lift);transform:translateY(-1px)}
.progress{height:12px;background:#E5D4A8;border:1px solid var(--edge-soft)}
.progress>i{background:var(--ok)}
.chartbox{height:280px}.chartbox.tall{height:320px}
.tblwrap{border:2px solid var(--edge-soft);border-radius:11px;background:#FFFDF3}
.tblwrap .tbl th{background:#FFF0BF;color:var(--sub)}
.tbl th,.tbl td{border-bottom:1px solid var(--line)}
.welcome{background:#FFF4C9;border:2px solid var(--edge);border-radius:16px;box-shadow:var(--shadow-lift);padding:20px 24px}
.welcome h2{font-size:23px;color:var(--ink)}
.welcome .sub{color:var(--sub)}
.due-hero{background:#FFE7A6;border:3px solid var(--edge);border-radius:16px;box-shadow:var(--shadow-lift)}
.due-hero .dh-count b{color:#A96810}
.growth .g-chip{border:2px solid var(--edge-soft);background:#FFF8DE;color:var(--sub)}
.phase-badge{background:var(--blue-soft);border:2px solid var(--blue);color:#286489}
details.secbox{border:2px solid var(--edge);background:#FFF9E9;box-shadow:var(--shadow)}
details.secbox>summary{font-size:15px;color:var(--ink)}
.mp-group{border:2px solid var(--edge-soft)}
.mp-group summary{background:#FFF0BF;color:var(--ink)}
.mp-item{border:2px solid var(--edge-soft);background:#FFF9E9;color:var(--ink)}
.mp-item:hover,.mp-item.cur{background:var(--blue-soft);border-color:var(--blue)}
.cloud-review-page .cloud-connection{margin-bottom:12px}
.cloud-review-page .card{padding:16px 18px;margin-bottom:12px}
.cloud-upload-row{display:grid;grid-template-columns:150px minmax(260px,1fr) auto;gap:12px;align-items:end}
.cloud-upload-row .fld{margin:0}.cloud-file input{width:100%}
.cloud-review-head{margin:14px 0 8px}.cloud-review-head h2{margin:0}
.cloud-task-list{display:grid;gap:6px}.cloud-task-row{display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:center;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card-warm)}
.cloud-task-row .warnbox{grid-column:1/-1;margin:0;padding:7px 9px}
.cloud-review-page #cr-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:12px}
.cloud-review-page .cr-item{margin:0;padding:14px;border-width:1px}.cloud-review-page .cr-item .fld{margin:8px 0}.cloud-review-page .cr-item textarea{min-height:62px}
@media(max-width:720px){.cloud-upload-row{grid-template-columns:1fr}.cloud-review-page #cr-list{grid-template-columns:1fr}}
@media(max-width:900px){#sidebar{width:236px}.page{padding:22px 20px 70px}}
@media(max-width:720px){#sidebar{width:100%;border-right:0;border-bottom:3px solid var(--edge);padding:6px 10px}.brand{padding:8px 6px;border-bottom:0;margin:0}.logo{width:42px;height:42px;font-size:14px}.brand-txt{display:block}.brand-txt b{font-size:16px}#nav{padding:0;gap:2px}.navg{display:none}#nav a{font-size:0;padding:9px}#nav a.on{border-width:2px}.side-status{display:none}#topbar{padding:10px 14px;min-height:62px}.page{padding:16px 12px 80px}}

@media (pointer: coarse){body{overscroll-behavior-y:none}button,.button,a{touch-action:manipulation}.page{padding:14px 14px calc(78px + env(safe-area-inset-bottom))}#topbar{padding:8px 14px;padding-top:calc(8px + env(safe-area-inset-top))}.tblwrap{overflow-x:auto;-webkit-overflow-scrolling:touch}}
@media (orientation: landscape) and (max-height:600px){#sidebar{width:180px}.page{padding-top:10px}}
.wb-head{display:flex;align-items:center;gap:12px;padding:10px 12px;border-bottom:1px solid var(--line)}.wb-head .note{flex:1}.wb-actions{display:flex;gap:6px}.wb-stage{height:min(78vh,760px);min-height:360px;background:#fff;overflow:auto;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y;position:relative}.wb-canvas-wrap{position:relative;background-image:linear-gradient(rgba(80,100,110,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(80,100,110,.08) 1px,transparent 1px);background-size:28px 28px}.wb-stage canvas{display:block;cursor:crosshair}