:root {
  --bg: #f6f7f9; --card: #ffffff; --text: #16191d; --muted: #667085; --line: #e4e7ec;
  --up: #0f8a4f; --down: #c4321f; --accent: #1f6feb; --pill: #eef1f5; --live: #d9f3e5;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --card: #171b21; --text: #e8eaed; --muted: #98a2b3; --line: #2a3038;
    --up: #3ccf86; --down: #ff6b57; --accent: #5b9dff; --pill: #222830; --live: #133a27; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 700; font-size: 17px; display: flex; gap: 8px; align-items: center; }
.logo { color: var(--up); }
.top-right { display: flex; gap: 14px; align-items: center; }
.link { color: var(--accent); text-decoration: none; font-size: 14px; }
.pill { background: var(--pill); padding: 3px 10px; border-radius: 999px; font-size: 13px; color: var(--muted); }
.pill.live { background: var(--live); color: var(--up); }
.pill.warn { color: var(--down); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 18px 16px 40px; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 16px; }
.kpi, .card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.kpi { padding: 14px 16px; }
.kpi-label { color: var(--muted); font-size: 13px; }
.kpi-value { font-size: 26px; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi-sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.card { padding: 14px 16px; margin-bottom: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 16px; margin: 0 0 10px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 9px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
tfoot td { border-bottom: none; }
.num { text-align: right; }
.center { text-align: center; }
.up { color: var(--up); } .down { color: var(--down); } .flat { color: var(--text); }
.muted { color: var(--muted); } .small { font-size: 12px; }
.chart svg { width: 100%; height: 240px; display: block; }
.chart .line { fill: none; stroke-width: 2.2; }
.chart .up .line { stroke: var(--up); } .chart .down .line { stroke: var(--down); }
.chart .area { opacity: .12; } .chart .up .area { fill: var(--up); } .chart .down .area { fill: var(--down); }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .base { stroke: var(--muted); stroke-dasharray: 4 4; stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; }
.foot { margin-top: 8px; }
.sm { display: none; }
.login-body { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 26px; width: 100%; max-width: 380px; }
.login-card form { display: grid; gap: 8px; margin-top: 12px; }
.login-card input { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 15px; }
.login-card button { padding: 10px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font-weight: 600; font-size: 15px; cursor: pointer; }
.error { color: var(--down); margin: 10px 0 0; }
@media (max-width: 600px) { .opt, .lg { display: none; } .sm { display: inline; } th, td { padding: 8px 5px; } table { font-size: 13.5px; } .card { padding: 12px 10px; } }
@media (max-width: 760px) { .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } .kpi-value { font-size: 21px; } .top { padding: 12px 16px; } }