:root{--ink:#1f2933;--bg:#f4f6f8;--card:#fff;--line:#e2e8f0;--brand:#2563eb;
  --ok:#16a34a;--warn:#d97706;--err:#dc2626;--muted:#94a3b8}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft Yahei",sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}
.topbar{background:#0f172a;color:#fff;display:flex;align-items:center;gap:18px;padding:0 22px;height:52px}
.topbar .brand{font-weight:700;margin-right:10px}
.topbar a{color:#cbd5e1;text-decoration:none;padding:6px 4px;font-size:14px}
.topbar a:hover{color:#fff}
.topbar a.on{color:#fff;border-bottom:2px solid var(--brand)}
.topbar a.right{margin-left:auto;color:#94a3b8}
.wrap{max-width:1100px;margin:24px auto;padding:0 22px}
.foot{text-align:center;color:var(--muted);font-size:12px;padding:24px}
h1{font-size:22px;margin:6px 0 18px}
h2{font-size:16px;margin:26px 0 10px;color:#334155}
.muted{color:var(--muted);font-weight:400;font-size:13px}
.ok{color:var(--ok)} .err{color:var(--err)} .warn-t{color:var(--warn)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.card.warn{border-color:#fcd34d;background:#fffbeb}
.card .num{font-size:28px;font-weight:700}
.card .lbl{color:var(--muted);font-size:12px;margin-top:4px}
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);font-size:14px}
th{background:#f8fafc;color:#475569;font-weight:600;font-size:12px}
tr:last-child td{border-bottom:none}
tr.qual{background:#f0fdf4} tr.low{background:#fffbeb}
a{color:var(--brand)}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.badge.ok{background:#dcfce7;color:#166534}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.mid{background:#dbeafe;color:#1e40af}
.badge.wait{background:#f1f5f9;color:#64748b}
/* 登录页 */
.login-bg{display:flex;align-items:center;justify-content:center;height:100vh;background:#0f172a}
.login-card{background:#fff;padding:34px;border-radius:14px;width:300px;display:flex;flex-direction:column;gap:14px}
.login-card h1{text-align:center;font-size:19px;margin:0 0 6px}
.login-card input{padding:11px;border:1px solid var(--line);border-radius:8px;font-size:15px}
.login-card button{padding:11px;background:var(--brand);color:#fff;border:0;border-radius:8px;font-size:15px;cursor:pointer}
.login-card .err{color:var(--err);text-align:center;font-size:13px;margin:0}