:root{
  --bg:#f4f6fa; --card:#fff; --ink:#1f2937; --muted:#6b7280; --line:#e5e7eb;
  --primary:#2563eb; --primary-2:#1e3a8a; --primary-soft:#eff4ff;
  --green:#16a34a; --red:#dc2626; --amber:#d97706;
  --sidebar:#0f1f4b; --sidebar-2:#16245c;
  --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}

/* 登录 */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#1e3a8a,#2563eb)}
.login-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(15,31,75,.35);padding:30px 34px;width:360px;max-width:92vw}
.login-card h1{margin:0 0 4px;font-size:19px;color:var(--sidebar)}
.login-card .sub{color:var(--muted);font-size:12.5px;margin-bottom:20px}
.login-card label{display:block;font-size:12px;color:var(--muted);font-weight:600;margin:12px 0 4px}
.login-card select,.login-card input{padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;width:100%}
.login-card .btn{margin-top:18px;width:100%;background:var(--primary);color:#fff;border:none;border-radius:9px;padding:11px;font-size:15px;font-weight:700;cursor:pointer}
.login-card .err{color:var(--red);font-size:12.5px;margin-top:10px;min-height:16px}
.login-card .tip{margin-top:14px;font-size:11.5px;color:var(--muted);background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:8px 10px}

/* 布局 */
.app{display:flex;min-height:100vh}
.sidebar{width:248px;flex:0 0 248px;background:var(--sidebar);color:#dfe6f5;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar .brand{padding:18px 18px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar .brand b{font-size:15px;color:#fff;display:block}
.sidebar .brand span{font-size:11px;opacity:.7}
.nav{padding:10px 10px;overflow:auto;flex:1}
.nav .grp{font-size:11px;letter-spacing:1px;color:#8aa0d6;padding:12px 10px 6px;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:9px;cursor:pointer;color:#cdd8f0;font-size:13.5px;margin-bottom:3px}
.nav-item:hover{background:var(--sidebar-2)}
.nav-item.active{background:var(--primary);color:#fff;font-weight:700}
.nav-item .dot{width:7px;height:7px;border-radius:50%;background:#5b7cc9}
.nav-item.active .dot{background:#fff}
.nav-item.national .dot{background:#fbbf24;width:9px;height:9px}
.sidebar .foot{padding:12px 14px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#9fb0d8}
.sidebar .foot button{background:transparent;border:1px solid rgba(255,255,255,.25);color:#cdd8f0;border-radius:7px;padding:6px 10px;cursor:pointer;width:100%;font-size:12.5px}
.sidebar .foot button:hover{background:rgba(255,255,255,.1)}

.main{flex:1;min-width:0;padding:20px 24px 60px;max-width:100%}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:10px}
.topbar h2{margin:0;font-size:18px}
.topbar .who{font-size:12.5px;color:var(--muted)}
.topbar .ctl{display:flex;gap:10px;align-items:center}
.topbar select{padding:7px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.topbar .topbtn{background:var(--primary-soft);color:var(--primary);border:1px solid #c7d2fe;border-radius:8px;padding:7px 12px;font-size:12.5px;font-weight:600;cursor:pointer}
.topbar .topbtn:hover{background:#e0eaff}

/* 改密码弹窗 */
.modal{position:fixed;inset:0;background:rgba(15,31,75,.45);display:flex;align-items:center;justify-content:center;z-index:50}
.modal-box{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(15,31,75,.35);padding:26px 28px;width:380px;max-width:92vw;border-top:4px solid var(--amber)}
.modal-box h3{margin:0 0 6px;font-size:16px;color:var(--sidebar)}
.modal-box .sub{color:var(--muted);font-size:12.5px;margin:0 0 16px;line-height:1.6}
.modal-box label{display:block;font-size:12px;color:var(--muted);font-weight:600;margin:12px 0 4px}
.modal-box input{padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;width:100%}
.modal-box .err{color:var(--red);font-size:12.5px;margin-top:10px;min-height:16px}
.modal-actions{display:flex;gap:10px;margin-top:18px}
.modal-actions .btn{flex:1;background:var(--primary);color:#fff;border:none;border-radius:9px;padding:11px;font-size:14px;font-weight:700;cursor:pointer}
.modal-actions .btn.ghost{background:#f1f5f9;color:var(--muted);border:1px solid var(--line)}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.card h3{margin:0 0 14px;font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}
.card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--primary)}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.kpi .k{font-size:12px;color:var(--muted);font-weight:600}
.kpi .v{font-size:26px;font-weight:800;margin-top:4px}
.kpi.rate .v{color:var(--primary)} .kpi.good .v{color:var(--green)} .kpi.warn .v{color:var(--amber)}

.chartbox{position:relative;height:320px} .chartbox.sm{height:280px}
.row{display:flex;gap:16px;flex-wrap:wrap} .col{flex:1;min-width:300px}
.legend-inline{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:8px}
.legend-inline span{display:inline-flex;align-items:center;gap:5px}
.legend-inline i{width:12px;height:3px;border-radius:2px;display:inline-block}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#f8fafc;color:var(--muted);font-weight:700;font-size:12px}
tbody tr:hover{background:#fafbff}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700}
.pill.hi{background:#dcfce7;color:#15803d} .pill.mid{background:#fef9c3;color:#a16207} .pill.lo{background:#fee2e2;color:#b91c1c}

.acc{margin-top:10px;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.acc>summary{cursor:pointer;padding:11px 14px;font-weight:700;background:#f8fafc;list-style:none}
.acc>summary::-webkit-details-marker{display:none}
.acc>summary::before{content:"▸ ";color:var(--primary)}
.acc[open]>summary::before{content:"▾ "}
.acc .body{padding:10px 14px}
.tag{font-size:11px;padding:1px 7px;border-radius:6px;background:#eef2ff;color:#3730a3;margin-left:6px}
.tag.amb{background:#fef3c7;color:#92400e}

.note{font-size:12px;color:var(--muted);background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:12px 14px;line-height:1.7}
.note b{color:#92400e}
.empty{text-align:center;color:var(--muted);padding:36px 0;font-size:13.5px}
.err{color:var(--red);font-size:12.5px}
.status{font-size:12.5px;color:var(--muted)}

/* 上传 */
.dropzone{border:2px dashed #c7d2fe;background:var(--primary-soft);border-radius:12px;padding:22px;text-align:center;cursor:pointer;transition:.15s}
.dropzone.drag{border-color:var(--primary);background:#e0eaff}
.dropzone .big{font-size:14px;font-weight:700;color:var(--primary)}
.dropzone .sub{font-size:12px;color:var(--muted);margin-top:5px}
.hint{font-size:11.5px;color:var(--muted);margin-top:8px}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:6px;background:#eef2ff;color:#3730a3;margin-left:6px}
.badge.amb{background:#fef3c7;color:#92400e}

/* 历史版本对比 */
#versionBar .vbar-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
#versionBar .vbar-head label{font-size:12.5px;color:var(--muted);font-weight:600}
#versionBar .vbar-head select{padding:7px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;min-width:320px}
#versionBar .vtable{max-height:300px;overflow:auto}
#versionBar .vtable tr.cur{background:#eff4ff;font-weight:600}
#versionBar .vtable td .pill{font-size:11px;padding:1px 6px}

/* 导出 PDF（打印） */
.print-only{display:none}
@media print{
  body{background:#fff !important}
  .sidebar,.topbar,#uploadCard,#versionBar,.modal,.pwModal{display:none !important}
  #app{display:block !important;min-height:0}
  .main{padding:0 !important;max-width:100% !important}
  .print-only{display:block !important;margin-bottom:16px;border-bottom:2px solid var(--primary);padding-bottom:8px}
  .ph-title{font-size:18px;font-weight:800;color:var(--sidebar)}
  .ph-sub{font-size:12px;color:var(--muted);margin-top:3px}
  .card{break-inside:avoid;box-shadow:none !important;border:1px solid #d1d5db !important;margin-bottom:12px}
  .chartbox{height:300px}
  .kpis{grid-template-columns:repeat(3,1fr)}
  table{font-size:11px}
  @page{margin:12mm}
}