:root {
  color-scheme: light;
  --bg: #f4f4f2;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --border: #e2e1dc;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #767570;
  --series: #2a78d6;
  --series-fill: rgba(42, 120, 214, 0.12);
  --grid: #e8e7e3;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --good-ink: #006300;
  --warning-ink: #7a5300;
  --critical-ink: #a32020;
  --track: #e8e7e3;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #111110;
    --surface: #1a1a19;
    --surface-2: #232321;
    --border: #2f2f2c;
    --text: #f0efec;
    --text-2: #c3c2b7;
    --muted: #93928a;
    --series: #3987e5;
    --series-fill: rgba(57, 135, 229, 0.18);
    --grid: #2a2a27;
    --good-ink: #5fd35f;
    --warning-ink: #fab219;
    --critical-ink: #f07b7b;
    --track: #2f2f2c;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111110;
  --surface: #1a1a19;
  --surface-2: #232321;
  --border: #2f2f2c;
  --text: #f0efec;
  --text-2: #c3c2b7;
  --muted: #93928a;
  --series: #3987e5;
  --series-fill: rgba(57, 135, 229, 0.18);
  --grid: #2a2a27;
  --good-ink: #5fd35f;
  --warning-ink: #fab219;
  --critical-ink: #f07b7b;
  --track: #2f2f2c;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-variant-numeric: tabular-nums;
}
h2 { font-size: 15px; margin: 0; font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
button { font: inherit; }
button.link { background: none; border: 0; color: var(--text-2); cursor: pointer; text-decoration: underline; padding: 0; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.top-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.top-right form { margin: 0; }
.brand { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.brand-dot { width: 12px; height: 12px; border-radius: 3px; background: var(--series); display: inline-block; }

main { max-width: 1400px; margin: 0 auto; padding: 20px 24px 40px; display: grid; gap: 16px; }

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-weight: 600; font-size: 13px; background: var(--surface-2); color: var(--text-2); }
.pill.good { color: var(--good-ink); }
.pill.warning { color: var(--warning-ink); }
.pill.critical { color: var(--critical-ink); }

.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }
.dot.good { background: var(--good); }
.dot.warning { background: var(--warning); }
.dot.serious { background: var(--serious); }
.dot.critical { background: var(--critical); }
.dot.off { background: var(--muted); }

.alerts { display: grid; gap: 8px; }
.alerts:empty { display: none; }
.alert {
  display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--warning);
}
.alert.critical { border-left-color: var(--critical); }
.alert b { display: block; }
.alert .icon { font-size: 16px; line-height: 1.2; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; display: grid; gap: 6px; align-content: start; }
.kpi-label { color: var(--text-2); font-size: 13px; display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.kpi-value { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.kpi-value small { font-size: 14px; font-weight: 500; color: var(--text-2); margin-left: 3px; }
.kpi-sub { color: var(--muted); font-size: 12px; }
.meter { height: 8px; border-radius: 4px; background: var(--track); overflow: hidden; position: relative; }
.meter > span { display: block; height: 100%; border-radius: 4px; }
.meter > i { position: absolute; top: -2px; bottom: -2px; width: 2px; background: var(--text-2); opacity: .5; }
.status { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; }
.status.good { color: var(--good-ink); }
.status.warning { color: var(--warning-ink); }
.status.critical { color: var(--critical-ink); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(520px, 100%), 1fr)); gap: 16px; }

.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 18px; }
.chart { margin: 0; position: relative; }
.chart figcaption { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--text-2); margin-bottom: 4px; }
.chart figcaption b { color: var(--text); }
.chart svg { width: 100%; height: 150px; display: block; overflow: visible; }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .axis text { fill: var(--muted); font-size: 10px; }
.chart .line { fill: none; stroke: var(--series); stroke-width: 2; stroke-linejoin: round; }
.chart .area { fill: var(--series-fill); }
.chart .limit { stroke: var(--critical); stroke-width: 1; stroke-dasharray: 4 3; opacity: .7; }
.chart .cross { stroke: var(--text-2); stroke-width: 1; }
.chart .hover-dot { fill: var(--series); stroke: var(--surface); stroke-width: 2; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 600; color: var(--text-2); padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; cursor: pointer; user-select: none; }
th[aria-sort="ascending"]::after { content: " ▲"; font-size: 9px; }
th[aria-sort="descending"]::after { content: " ▼"; font-size: 9px; }
td { padding: 6px 8px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; }
td a { color: inherit; }
.cell-bar { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.cell-bar .bar { width: 90px; height: 6px; background: var(--track); border-radius: 3px; overflow: hidden; flex: none; }
.cell-bar .bar span { display: block; height: 100%; background: var(--series); border-radius: 3px; }
.sub { color: var(--muted); font-size: 12px; }

.hbars { display: grid; gap: 8px; }
.hbar { display: grid; grid-template-columns: minmax(120px, 34%) 1fr auto; gap: 10px; align-items: center; font-size: 13px; }
.hbar .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar .track { height: 10px; background: var(--track); border-radius: 0 4px 4px 0; }
.hbar .track span { display: block; height: 100%; background: var(--series); border-radius: 0 4px 4px 0; min-width: 2px; }
.hbar .val { text-align: right; min-width: 64px; }

.tip {
  position: fixed; z-index: 20; pointer-events: none; background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; font-size: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
footer { display: flex; gap: 14px; flex-wrap: wrap; justify-content: space-between; }
.btn { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 4px 10px; cursor: pointer; }

/* Login */
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; width: 100%; max-width: 360px; }
.login-card form { display: grid; gap: 12px; margin-top: 16px; }
.login-card label { display: grid; gap: 4px; font-size: 13px; color: var(--text-2); }
.login-card input { font: inherit; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); }
.login-card button { font: inherit; font-weight: 600; padding: 10px; border: 0; border-radius: 8px; background: #1c5cab; color: #fff; cursor: pointer; }
.login-error { color: var(--critical-ink); font-size: 13px; margin: 12px 0 0; }

@media (max-width: 640px) {
  .top { padding: 10px 16px; }
  main { padding: 14px 16px 32px; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: 22px; }
  .cell-bar .bar { width: 50px; }
}