:root {
  --bg: #f4f6f9; --card: #fff; --line: #e3e8ef; --txt: #1f2937; --sub: #6b7280;
  --pri: #2563eb; --ok: #16a34a; --warn: #d97706; --bad: #dc2626; --sus: #7c3aed;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Microsoft YaHei", system-ui, sans-serif; background: var(--bg); color: var(--txt); font-size: 14px; }
header.nav { background: #1e293b; color: #fff; padding: 0 16px; display: flex; align-items: center; gap: 2px; flex-wrap: wrap; position: sticky; top: 0; z-index: 10; }
header.nav .brand { font-weight: 700; margin-right: 12px; padding: 12px 0; font-size: 15px; }
header.nav a { color: #cbd5e1; text-decoration: none; padding: 12px 10px; font-size: 13px; }
header.nav a:hover { color: #fff; }
header.nav a.on { color: #fff; background: #334155; border-radius: 6px 6px 0 0; }
main { max-width: 1280px; margin: 0 auto; padding: 16px; }
h1 { font-size: 18px; margin: 6px 0 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.card .num { font-size: 24px; font-weight: 700; }
.card .lab { color: var(--sub); font-size: 12px; margin-top: 2px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin-bottom: 14px; }
.bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
select, input, button { font: inherit; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--txt); }
button { cursor: pointer; background: var(--pri); color: #fff; border: none; }
button.gray { background: #64748b; } button.ghost { background: #fff; color: var(--pri); border: 1px solid var(--pri); }
button:disabled { opacity: .5; cursor: default; }
table { border-collapse: collapse; width: 100%; background: #fff; }
th, td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; white-space: nowrap; font-size: 13px; }
th { background: #f1f5f9; position: sticky; top: 44px; }
tr:hover td { background: #f8fafc; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 20px; font-size: 12px; }
.t-bad { background: #fee2e2; color: var(--bad); } .t-warn { background: #fef3c7; color: var(--warn); }
.t-ok { background: #dcfce7; color: var(--ok); } .t-sus { background: #ede9fe; color: var(--sus); }
.t-info { background: #e0f2fe; color: #0369a1; }
.scroll { overflow: auto; max-height: 72vh; border: 1px solid var(--line); border-radius: 8px; }
.scroll th { top: 0; }
.muted { color: var(--sub); font-size: 12px; }
.drop { border: 2px dashed #94a3b8; border-radius: 10px; padding: 28px; text-align: center; color: var(--sub); background: #f8fafc; }
.drop.hot { border-color: var(--pri); background: #eff6ff; }
.log { font-family: Consolas, monospace; font-size: 12px; background: #0f172a; color: #a5f3fc; padding: 10px; border-radius: 8px; max-height: 200px; overflow: auto; white-space: pre-wrap; }
.grid-cell { text-align: center !important; cursor: default; }
.c-ok { background: #dcfce7 !important; } .c-bad { background: #fee2e2 !important; } .c-warn { background: #fef3c7 !important; }
.c-info { background: #e0f2fe !important; } .c-off { background: #f1f5f9 !important; color: #cbd5e1; }