:root{
  --primary:#1a6fd4; --primary-dark:#12559f; --primary-light:#e8f1fd;
  --success:#0f9d58; --success-light:#e6f4ea;
  --danger:#d93025; --danger-light:#fce8e6;
  --warn:#f9a825; --warn-light:#fef7e0;
  --text:#1f2937; --text-sub:#6b7280; --border:#e5e7eb;
  --bg:#f4f6f9; --card:#ffffff;
  --radius:12px; --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;-webkit-text-size-adjust:100%}
a{color:var(--primary);text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:14px;outline:none}
.hidden{display:none !important}

/* 布局 */
.app{display:flex;min-height:100vh}
.sidebar{width:210px;background:#0f2d52;color:#cbd5e1;flex-shrink:0;display:flex;flex-direction:column}
.sidebar .brand{padding:18px 16px;font-size:15px;font-weight:600;color:#fff;border-bottom:1px solid rgba(255,255,255,.1);line-height:1.4}
.sidebar .brand small{display:block;font-size:11px;font-weight:400;color:#8fa8c8;margin-top:4px}
.sidebar nav{flex:1;overflow-y:auto;padding:8px 0}
.sidebar nav a{display:flex;align-items:center;gap:9px;padding:11px 16px;color:#cbd5e1;font-size:13.5px;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar nav a.active{background:rgba(255,255,255,.1);color:#fff;border-left-color:var(--primary);font-weight:600}
.sidebar nav .grp{padding:12px 16px 4px;font-size:11px;color:#6b83a3;letter-spacing:1px}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:0 20px;height:56px;
  display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}
.topbar h1{font-size:16px;font-weight:600}
.topbar .right{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-sub)}
.content{padding:18px 20px 40px;flex:1}
.page{display:none}.page.active{display:block}

/* 卡片 */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}
.card h3{font-size:15px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.card h3 .sub{font-size:12px;font-weight:400;color:var(--text-sub)}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* 统计块 */
.stat{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;border-left:4px solid var(--primary)}
.stat .num{font-size:26px;font-weight:700;line-height:1.2}
.stat .lbl{font-size:12.5px;color:var(--text-sub);margin-top:2px}
.stat.ok{border-left-color:var(--success)}.stat.warn{border-left-color:var(--warn)}
.stat.bad{border-left-color:var(--danger)}.stat.blue{border-left-color:var(--primary)}
.stat .num.ok{color:var(--success)}.stat .num.bad{color:var(--danger)}.stat .num.warn{color:var(--warn)}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
th{background:#f8fafc;font-weight:600;color:#374151;white-space:nowrap;position:sticky;top:0}
tbody tr:hover{background:#f9fbfd}
.table-wrap{overflow:auto;max-height:64vh;border:1px solid var(--border);border-radius:8px}
.tbl-fixed{table-layout:fixed}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border:1px solid var(--border);
  background:#fff;border-radius:8px;cursor:pointer;font-size:13.5px;color:var(--text);transition:.15s;white-space:nowrap}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-dark);color:#fff}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.danger:hover{background:#b02319;color:#fff}
.btn.sm{padding:5px 10px;font-size:12.5px}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

/* 表单 */
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;font-weight:500;margin-bottom:5px;color:#374151}
.field label .req{color:var(--danger)}
input[type=text],input[type=number],input[type=date],input[type=password],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;transition:.15s}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,111,212,.12)}
textarea{min-height:70px;resize:vertical}
.inline{display:flex;gap:10px;flex-wrap:wrap}
.inline .field{flex:1;min-width:150px}
.radio-group,.check-group{display:flex;gap:14px;flex-wrap:wrap;padding:4px 0}
.radio-group label{display:inline-flex;align-items:center;gap:6px;font-weight:400;cursor:pointer}

/* 徽章 */
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11.5px;font-weight:600;line-height:1.7}
.b-ok{background:var(--success-light);color:var(--success)}
.b-bad{background:var(--danger-light);color:var(--danger)}
.b-warn{background:var(--warn-light);color:#b78103}
.b-info{background:var(--primary-light);color:var(--primary)}
.b-gray{background:#f1f3f5;color:#6b7280}

/* 提示条 */
.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:12px;border-left:4px solid}
.alert.info{background:var(--primary-light);border-color:var(--primary);color:#12559f}
.alert.warn{background:var(--warn-light);border-color:var(--warn);color:#8a6100}
.alert.bad{background:var(--danger-light);border-color:var(--danger);color:#a52714}
.alert.ok{background:var(--success-light);border-color:var(--success);color:#0b6b3c}

/* 弹窗 */
.mask{position:fixed;inset:0;background:rgba(17,24,39,.5);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}
.modal{background:#fff;border-radius:14px;width:100%;max-width:640px;max-height:88vh;display:flex;flex-direction:column;box-shadow:0 20px 40px rgba(0,0,0,.2)}
.modal.wide{max-width:900px}
.modal .mh{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.modal .mh h3{font-size:16px;font-weight:600;margin:0}
.modal .mb{padding:16px 18px;overflow:auto;flex:1}
.modal .mf{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.close{cursor:pointer;font-size:22px;color:var(--text-sub);line-height:1;border:none;background:none}

/* toast */
#toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{background:#1f2937;color:#fff;padding:10px 18px;border-radius:8px;font-size:13.5px;box-shadow:0 8px 20px rgba(0,0,0,.2);animation:tin .25s}
.toast.ok{background:var(--success)}.toast.err{background:var(--danger)}
@keyframes tin{from{opacity:0;transform:translateY(-10px)}}

/* 签名 */
.sign-box{border:2px dashed var(--border);border-radius:10px;background:#fafbfc;position:relative}
.sign-box canvas{width:100%;height:170px;display:block;touch-action:none;cursor:crosshair;border-radius:8px}
.sign-tip{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#9ca3af;font-size:13px;pointer-events:none}

/* 图表 */
.chart{width:100%;height:220px}
.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:13px}
.bar-row .nm{width:150px;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-row .bar{height:16px;border-radius:8px;background:var(--primary);min-width:2px}
.bar-row .vl{width:52px;text-align:right;flex-shrink:0;color:var(--text-sub)}

/* 检查清单 */
.check-sec{margin-bottom:14px}
.check-sec .t{font-weight:600;font-size:13.5px;background:#f8fafc;padding:6px 10px;border-radius:6px;margin-bottom:6px}
.check-item{display:flex;align-items:flex-start;gap:10px;padding:7px 10px;border-bottom:1px solid #f1f3f5;flex-wrap:wrap}
.check-item .txt{flex:1;min-width:200px;font-size:13px}
.check-item .opts{display:flex;gap:6px;flex-shrink:0}
.opt-btn{padding:3px 10px;border:1px solid var(--border);border-radius:16px;font-size:12px;cursor:pointer;background:#fff}
.opt-btn.on.pass{border-color:var(--success);background:var(--success);color:#fff}
.opt-btn.on.fail{border-color:var(--danger);background:var(--danger);color:#fff}
.opt-btn.on.na{border-color:#9ca3af;background:#9ca3af;color:#fff}
.check-item input.note{flex:1;min-width:160px;padding:4px 8px;font-size:12.5px}

/* 动态表 */
.dyn-table{overflow:auto;border:1px solid var(--border);border-radius:8px}
.dyn-table table{font-size:12.5px}
.dyn-table input{padding:5px 7px;font-size:12.5px;min-width:52px}
.dyn-table th{font-size:12px}

.sig-img{max-height:70px;border:1px solid var(--border);border-radius:6px;background:#fff}
.empty{text-align:center;color:var(--text-sub);padding:30px;font-size:13.5px}
.muted{color:var(--text-sub);font-size:12.5px}
.nowrap{white-space:nowrap}
.filter{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}
.filter .field{margin-bottom:0}
.filter label{font-size:12px}
.filter input,.filter select{padding:7px 9px}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f2d52,#1a6fd4);padding:20px}
.login-card{background:#fff;border-radius:16px;padding:30px;width:100%;max-width:400px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.login-card h2{font-size:20px;margin-bottom:6px}
.login-card .sub{color:var(--text-sub);font-size:13px;margin-bottom:22px}
.login-card .field{margin-bottom:14px}
.role-tabs{display:flex;gap:8px;margin-bottom:18px}
.role-tabs div{flex:1;text-align:center;padding:8px;border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:13px}
.role-tabs div.on{border-color:var(--primary);background:var(--primary-light);color:var(--primary);font-weight:600}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px;overflow-x:auto}
.tabs div{padding:8px 14px;cursor:pointer;font-size:13.5px;border-bottom:2px solid transparent;white-space:nowrap}
.tabs div.on{border-bottom-color:var(--primary);color:var(--primary);font-weight:600}

/* 移动端 */
.mobile-only{display:none}
@media(max-width:820px){
  .sidebar{position:fixed;left:-220px;top:0;bottom:0;z-index:60;transition:.25s;box-shadow:4px 0 20px rgba(0,0,0,.2)}
  .sidebar.open{left:0}
  .content{padding:12px 12px 76px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .g4.keep2,.g2.keep2{grid-template-columns:repeat(2,1fr)}
  .mobile-only{display:block}
  .topbar{padding:0 12px}
  .topbar h1{font-size:15px}
  .table-wrap{max-height:none}
  .mobile-bottom{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);
    display:flex;z-index:50;box-shadow:0 -2px 10px rgba(0,0,0,.06)}
  .mobile-bottom a{flex:1;text-align:center;padding:8px 4px;font-size:11px;color:var(--text-sub)}
  .mobile-bottom a .ico{display:block;font-size:18px;line-height:1.4}
  .mobile-bottom a.on{color:var(--primary)}
  .bar-row .nm{width:110px}
}