:root{
  --bg:#f4f6fa; --card:#ffffff; --line:#e4e8f0; --line2:#eef1f7;
  --text:#1f2b3a; --muted:#7c8a9e; --blue:#2563eb; --blue-d:#1d4ed8;
  --green:#15803d; --green-bg:#e8f6ed; --amber:#b45309; --amber-bg:#fdf3e3;
  --red:#b91c1c; --red-bg:#fdeceb; --gray-bg:#eef1f6;
  --radius:10px; --shadow:0 1px 2px rgba(16,30,54,.06),0 8px 24px rgba(16,30,54,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text); background:var(--bg); -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}
.grow{flex:1}
.muted{color:var(--muted);font-size:12.5px}
.row{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end}

/* ---------------- 按钮 ---------------- */
.btn{
  border:1px solid var(--line); background:#fff; color:var(--text);
  padding:8px 14px; border-radius:8px; font-size:13.5px; cursor:pointer;
  transition:.15s; font-family:inherit; text-decoration:none; display:inline-block;
}
.btn:hover{background:#f8fafc; border-color:#cfd8e6}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue); border-color:var(--blue); color:#fff}
.btn-primary:hover{background:var(--blue-d); border-color:var(--blue-d)}
.btn-ghost{background:transparent}
.btn-link{background:none;border:none;color:var(--blue);padding:6px}
.btn-sm{padding:5px 10px;font-size:12.5px}
.btn-mini{padding:2px 8px;font-size:12px;border-radius:6px}
.btn-block{width:100%;display:block;margin-top:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-x{background:none;border:none;font-size:22px;line-height:1;color:var(--muted);cursor:pointer;padding:0 4px}

/* ---------------- 表单 ---------------- */
.input{
  border:1px solid var(--line); background:#fff; border-radius:8px;
  padding:8px 11px; font-size:13.5px; font-family:inherit; color:var(--text); outline:none;
}
.input:focus{border-color:var(--blue); box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.select{cursor:pointer}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.field>.input{width:100%}
.field-inline{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.field-inline .input{min-width:150px}

/* ---------------- 登录 / 改密 ---------------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:100%;max-width:376px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:34px 30px 26px;box-shadow:var(--shadow)}
.auth-logo{font-size:20px;font-weight:700;letter-spacing:.5px}
.auth-sub{font-size:13px;color:var(--muted);margin:4px 0 24px}
.auth-err{color:var(--red);font-size:12.5px;min-height:18px;margin:-4px 0 6px}
.auth-foot{margin-top:18px;text-align:center;font-size:12px;color:var(--muted)}

/* ---------------- 顶栏 ---------------- */
.topbar{
  height:56px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;padding:0 20px;gap:12px;position:sticky;top:0;z-index:20;
}
.brand{font-size:15.5px;font-weight:600;letter-spacing:.3px}
.brand-tag{font-size:11.5px;font-weight:400;color:var(--muted);border:1px solid var(--line);
  border-radius:20px;padding:1px 9px;margin-left:6px;vertical-align:1px}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.who{font-size:13px;color:var(--muted)}

.tabs{display:flex;gap:4px;padding:0 20px;background:#fff;border-bottom:1px solid var(--line)}
.tab{background:none;border:none;border-bottom:2px solid transparent;padding:11px 14px;
  font-size:13.5px;color:var(--muted);cursor:pointer;font-family:inherit}
.tab.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:600}

/* ---------------- 布局 ---------------- */
.layout{display:flex;gap:16px;padding:16px 20px;align-items:flex-start}
.sidebar{width:216px;flex:none;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.side-title{padding:12px 14px;font-size:13px;font-weight:600;border-bottom:1px solid var(--line2);
  display:flex;align-items:center;justify-content:space-between}
.org-list{list-style:none;margin:0;padding:6px}
.org-list li{
  padding:9px 11px;border-radius:8px;font-size:13.5px;cursor:pointer;
  display:flex;align-items:center;gap:8px;color:#2c3b4e;
}
.org-list li:hover{background:#f5f8fc}
.org-list li.active{background:#eaf1fe;color:var(--blue-d);font-weight:600}
.org-list li .cnt{margin-left:auto;font-size:12px;color:var(--muted);background:var(--gray-bg);
  border-radius:20px;padding:1px 8px}
.org-list li.active .cnt{background:#d9e6fd;color:var(--blue-d)}
.org-list li .internal{font-size:11px;color:var(--blue);border:1px solid #c7dbfd;border-radius:4px;padding:0 4px}

.content{flex:1;min-width:0}
.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.toolbar .input[type=search]{width:250px}

.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:auto}
.table-wrap.scroll{max-height:46vh}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{
  text-align:left;font-weight:600;font-size:12.5px;color:var(--muted);
  padding:10px 12px;background:#fafbfd;border-bottom:1px solid var(--line);white-space:nowrap;
  position:sticky;top:0;z-index:1;
}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--line2);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:#fafcff}
.tbl .stem{max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty{padding:40px;text-align:center;color:var(--muted);font-size:13px}

.pager{display:flex;align-items:center;gap:10px;padding:12px 2px}
.tag{display:inline-block;font-size:11.5px;padding:1px 8px;border-radius:20px;white-space:nowrap}
.t-ok{background:var(--green-bg);color:var(--green)}
.t-off{background:var(--gray-bg);color:#5b6b7f}
.t-warn{background:var(--amber-bg);color:var(--amber)}
.t-err{background:var(--red-bg);color:var(--red)}
.t-info{background:#eef3fe;color:var(--blue-d)}
.role{font-size:12px;color:#44546a}

/* ---------------- 弹窗 ---------------- */
.modal{position:fixed;inset:0;background:rgba(20,32,50,.42);display:flex;align-items:center;
  justify-content:center;padding:24px;z-index:60}
.modal-card{background:#fff;border-radius:14px;width:100%;max-width:460px;max-height:92vh;
  display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(12,24,44,.3)}
.modal-card.wide{max-width:900px}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--line);font-weight:600;
  display:flex;align-items:center;justify-content:space-between;font-size:14.5px}
.modal-body{padding:18px 20px;overflow:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center}

/* 选择弹窗（choiceDialog）：按钮即选项，每个选项可带一行说明 */
.cd-msg{font-size:13.5px;line-height:1.75;color:var(--text);white-space:pre-wrap}
.cd-btns{display:flex;flex-direction:column;gap:9px;margin-top:16px}
.cd-btns .btn{display:block;width:100%;text-align:left;padding:11px 14px;line-height:1.55}
.cd-btns .btn b{font-weight:600;font-size:13.5px}
.cd-btns .btn span{display:block;margin-top:3px;font-size:12.5px;opacity:.82;font-weight:400}
.cd-note{width:100%;margin-top:14px}

.drop{border:2px dashed #c9d6e8;border-radius:12px;padding:30px 20px;text-align:center;
  background:#fafcff;cursor:pointer;transition:.15s;margin:6px 0 10px}
.drop:hover,.drop.over{border-color:var(--blue);background:#f2f7ff}
.drop-main{font-size:14px}
.drop-sub{font-size:12.5px;color:var(--muted);margin-top:6px}

.kpis{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.kpi{background:#f7f9fd;border:1px solid var(--line2);border-radius:10px;padding:10px 16px;min-width:96px}
.kpi .n{font-size:19px;font-weight:700;line-height:1.2}
.kpi .l{font-size:12px;color:var(--muted);margin-top:2px}
.hint{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.hint.warn{color:var(--amber);background:var(--amber-bg);border-radius:8px;padding:10px 12px}
.result-box{margin-top:6px;background:#f7f9fd;border:1px solid var(--line2);border-radius:10px;
  padding:12px 14px;font-size:13px;line-height:1.9}
.result-box b{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;color:var(--blue-d)}

.toast{position:fixed;left:50%;bottom:38px;transform:translateX(-50%);background:#12243d;color:#fff;
  padding:11px 20px;border-radius:10px;font-size:13.5px;z-index:90;box-shadow:0 10px 30px rgba(10,20,40,.3)}
.toast.err{background:#a01d1d}

/* ================================ 题库管理 ================================ */
.subtabs{display:flex;gap:6px;padding:14px 20px 0}
.subtab{background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 16px;
  font-size:13px;color:#44546a;cursor:pointer;font-family:inherit;transition:.15s}
.subtab:hover{border-color:#cfd8e6}
.subtab.active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.subtab .badge{display:inline-block;min-width:18px;padding:0 5px;margin-left:6px;border-radius:20px;
  background:var(--amber-bg);color:var(--amber);font-size:11.5px;font-weight:600}
.subtab.active .badge{background:rgba(255,255,255,.25);color:#fff}
.tab .badge{display:inline-block;min-width:18px;padding:0 6px;margin-left:6px;border-radius:20px;
  font-size:11.5px;line-height:18px;background:var(--red-bg);color:var(--red);text-align:center}

/* ---------------- 版本发布页 ---------------- */
.hero-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;margin-bottom:16px;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.hero-box .vno{font-size:26px;font-weight:700;color:var(--blue);line-height:1.15}
.hero-box .vname{font-size:15px;font-weight:600;margin-bottom:4px}
.hero-box .vmeta{font-size:12.5px;color:var(--muted);line-height:1.85}
.hero-box .vsep{width:1px;align-self:stretch;background:var(--line2)}
.ver-block{border:1px solid var(--line2);border-radius:10px;background:#fff;margin-bottom:10px;overflow:hidden}
.ver-block .vh{padding:10px 14px;background:#f7f9fd;border-bottom:1px solid var(--line2);
  font-size:13px;font-weight:600;display:flex;align-items:center;gap:10px}
.ver-block .vh .n{color:var(--muted);font-weight:400;font-size:12.5px}
.ver-block .vb{max-height:300px;overflow:auto}
.qrow{display:flex;gap:10px;align-items:baseline;font-size:12.8px;padding:7px 14px;
  border-bottom:1px solid var(--line2)}
.qrow:last-child{border-bottom:none}
.qrow .idn{color:var(--muted);font-size:12px;min-width:132px;flex-shrink:0}
.qrow .st{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qrow .tag{flex-shrink:0;font-size:11.5px;padding:1px 7px;border-radius:6px;background:var(--gray-bg);
  color:#5b6b7f}
.qrow .tag.up{background:var(--green-bg);color:var(--green)}
.qrow .tag.down{background:var(--red-bg);color:var(--red)}
.ver-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:2px}
.content-pad{padding:14px 20px 20px}

.tag-mini{display:inline-block;font-size:11px;padding:0 6px;border-radius:4px;white-space:nowrap}
.lv-error{background:var(--red-bg);color:var(--red)}
.lv-warn{background:var(--amber-bg);color:var(--amber)}
.lv-info{background:#eef3fe;color:#44546a}
.tag-num{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;color:#44546a}
.tag-num.hit{color:var(--blue-d);font-weight:700}

/* 题目编辑弹窗 */
.qhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#f7f9fd;
  border:1px solid var(--line2);border-radius:10px;padding:10px 14px;font-size:12.5px;color:var(--muted)}
.qhead b{color:var(--text);font-family:ui-monospace,Menlo,Consolas,monospace}
.qhead .split{width:1px;height:14px;background:var(--line)}
.qhead .input{padding:4px 8px;font-size:12.5px;width:110px}

.issbox{margin:12px 0 0}
.issitem{display:flex;gap:8px;align-items:flex-start;background:var(--amber-bg);border-radius:8px;
  padding:9px 12px;font-size:12.5px;line-height:1.6;margin-bottom:6px;color:#7a4b06}
.issitem.err{background:var(--red-bg);color:#8a1414}
.issitem.info{background:#eef3fe;color:#33485f}
.issitem .t{font-weight:600;flex:none}

.edlabel{display:block;font-size:12.5px;color:var(--muted);margin:16px 0 6px}
.edlabel b{color:var(--text)}
textarea.input{width:100%;resize:vertical;line-height:1.65;font-size:13.5px}
.opt-row{display:flex;gap:8px;align-items:flex-start;margin-bottom:7px}
.opt-key{flex:none;width:26px;height:26px;border-radius:6px;background:#eef3fe;color:var(--blue-d);
  font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;margin-top:5px}
.opt-row textarea{flex:1}
.opt-row.fixed .opt-key{background:var(--gray-bg);color:#5b6b7f}
.opt-row.fixed textarea{background:#fafbfd;color:#5b6b7f}

.ans-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.ans-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;
  padding:6px 12px;font-size:13px;cursor:pointer;background:#fff;transition:.15s;user-select:none}
.ans-chip:hover{border-color:#cfd8e6}
.ans-chip.on{background:#eaf1fe;border-color:var(--blue);color:var(--blue-d);font-weight:600}
.ans-chip input{margin:0;cursor:pointer}

.switch-row{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px}
.switch-row input{width:16px;height:16px;cursor:pointer}

.statbox{margin-top:14px;background:#f7f9fd;border:1px solid var(--line2);border-radius:10px;
  padding:10px 14px;font-size:12.5px;color:var(--muted);line-height:1.8}
.statbox b{color:var(--text)}
.sibbox{margin-top:10px;font-size:12.5px;color:var(--muted);line-height:1.8}
.sibbox .sib{display:inline-block;margin-right:10px;cursor:pointer;color:var(--blue);
  text-decoration:underline dotted}
.tbl td.stem-cell{max-width:430px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tbl td.detail-cell{max-width:330px;font-size:12px;color:#5b6b7f;line-height:1.6}