:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f2f1ed;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --good: #006300;
  --critical: #d03b3b;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232321;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --series-1: #3987e5;
    --series-2: #d95926;
    --good: #0ca30c;
    --critical: #e66767;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321; --ink: #f0efec; --ink-2: #c3c2b7;
  --muted: #898781; --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5; --series-1: #3987e5; --series-2: #d95926; --good: #0ca30c; --critical: #e66767;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font: 14px/1.45 var(--font); }
button, input, select { font: inherit; color: inherit; }

/* Brand */
.brand { display: flex; align-items: center; gap: 8px; font-size: 16px; letter-spacing: -0.01em; }
.logo { width: 22px; height: 22px; border-radius: 6px; background: var(--accent);
  background-image: linear-gradient(90deg, transparent 20%, rgba(255,255,255,.9) 20% 30%, transparent 30% 45%, rgba(255,255,255,.9) 45% 55%, transparent 55% 70%, rgba(255,255,255,.9) 70% 80%, transparent 80%);
  background-size: 100% 55%; background-repeat: no-repeat; background-position: bottom 4px center; }

/* Buttons & inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 36px; padding: 0 14px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface); cursor: pointer; }
.btn:hover { background: var(--surface-2); }
.btn-primary { background: var(--accent); border-color: transparent; color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent); filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; }
.link { background: none; border: 0; color: var(--ink-2); cursor: pointer; padding: 6px 0; text-decoration: underline; }
input, select { height: 36px; padding: 0 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
input:focus-visible, select:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; display: grid; gap: 14px; }
.login-card form { display: grid; gap: 12px; }
.login-card label { display: grid; gap: 6px; color: var(--ink-2); font-size: 13px; }
.divider { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.muted { color: var(--muted); margin: 0; }
.error { color: var(--critical); margin: 0; min-height: 1.2em; font-size: 13px; }

/* Top bar & tabs */
.topbar { position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  justify-content: space-between; padding: 12px 24px; background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: transparent; padding: 0 12px; height: 34px; cursor: pointer; color: var(--ink-2); }
.seg button.on { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.tabs { display: flex; gap: 4px; padding: 0 24px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tabs button { border: 0; background: none; padding: 12px 10px; cursor: pointer; color: var(--ink-2);
  border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs button.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

/* Layout */
.content { padding: 20px 24px 48px; max-width: 1400px; margin: 0 auto; display: grid; gap: 16px; }
.content section { display: grid; gap: 16px; }
.grid-2 { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2-1 { display: grid; gap: 16px; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
@media (max-width: 1000px) { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-2-1 { grid-template-columns: 1fr; } }
@media (max-width: 700px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .topbar, .tabs { padding-left: 16px; padding-right: 16px; }
  .content { padding: 16px; }
}

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; min-width: 0; }
.card h3 { margin: 0 0 12px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.card-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-head h3 { margin: 0; }
.card-head input { min-width: 240px; }
.empty { color: var(--ink-2); }
.chart { position: relative; height: 260px; }
.chart-sm { height: 220px; }

/* Stat tiles */
.tiles { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.tile .label { color: var(--ink-2); font-size: 13px; }
.tile .value { font-size: 28px; font-weight: 650; letter-spacing: -0.02em; margin-top: 4px; }
.tile .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--good); margin-right: 6px;
  animation: pulse 2s infinite; vertical-align: middle; }
@keyframes pulse { 50% { opacity: .35; } }

/* Tables */
.table-wrap { overflow-x: auto; max-height: 560px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 600; color: var(--ink-2); position: sticky; top: 0; background: var(--surface);
  padding: 8px 10px; border-bottom: 1px solid var(--axis); white-space: nowrap; }
td { padding: 8px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
tr:hover td { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.nowrap { white-space: nowrap; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); font-size: 12px; }
.win { color: var(--good); font-weight: 600; }
.status { margin: 0; color: var(--ink-2); min-height: 1.2em; }
.status.error { color: var(--critical); }
details summary { cursor: pointer; color: var(--ink-2); }
pre { margin: 6px 0 0; white-space: pre-wrap; word-break: break-word; font-size: 12px; }
.status a { color: var(--accent); word-break: break-all; }