:root {
  color-scheme: light;
  --bg: #f6f6f4; --panel: #ffffff; --panel2: #f0efec; --border: #e2e1dc;
  --text: #0b0b0b; --muted: #6b6a66; --accent: #2a78d6;
  --ok: #1a7f37; --warn: #9a6700; --err: #cf222e;
  --ok-bg: #dafbe1; --warn-bg: #fff8c5; --err-bg: #ffebe9;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #4a3aa7; --s8: #8a8984;
  --grid: #ecebe7;
  font-size: 15px;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --bg: #0f1419; --panel: #1a2129; --panel2: #212a35; --border: #2c3947;
    --text: #dce3ea; --muted: #8496a8; --accent: #4da3ff;
    --ok: #3fb950; --warn: #d29922; --err: #f85149;
    --ok-bg: #12261a; --warn-bg: #2b2412; --err-bg: #2d1416;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #6b7480;
    --grid: #26303b;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1419; --panel: #1a2129; --panel2: #212a35; --border: #2c3947;
  --text: #dce3ea; --muted: #8496a8; --accent: #4da3ff;
  --ok: #3fb950; --warn: #d29922; --err: #f85149;
  --ok-bg: #12261a; --warn-bg: #2b2412; --err-bg: #2d1416;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #6b7480;
  --grid: #26303b;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
       font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
main { max-width: 1320px; margin: 0 auto; padding: 16px; }

.topnav { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px;
  padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10; }
.topnav .brand { font-weight: 700; }
.topnav a { color: var(--text); }
.topnav a.on { color: var(--accent); font-weight: 600; }
.topnav .spacer { flex: 1; }
.topnav select { max-width: 220px; }

h1 { font-size: 1.35rem; margin: 10px 0 14px; }
h2 { font-size: .95rem; margin: 22px 0 8px; color: var(--muted);
     text-transform: uppercase; letter-spacing: .05em; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.tile { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.tile .label { color: var(--muted); font-size: .82rem; }
.tile .value { font-size: 1.5rem; font-weight: 650; margin-top: 4px; font-variant-numeric: tabular-nums; }
.tile .sub { color: var(--muted); font-size: .82rem; margin-top: 2px; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; white-space: nowrap; position: sticky; top: 0; background: var(--panel); }
tr:hover td { background: var(--panel2); }
td.name { max-width: 380px; }

.badge { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: .78rem; white-space: nowrap; }
.b-crit { background: var(--err-bg); color: var(--err); }
.b-warn { background: var(--warn-bg); color: var(--warn); }
.b-ok { background: var(--ok-bg); color: var(--ok); }
.b-info { background: var(--panel2); color: var(--muted); }
.neg { color: var(--err); }
.pos { color: var(--ok); }

form.inline { display: inline; }
input, select, button { font: inherit; color: var(--text); background: var(--panel);
  border: 1px solid var(--border); border-radius: 7px; padding: 5px 9px; }
button { cursor: pointer; background: var(--panel2); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.chips a { display: inline-block; padding: 3px 10px; border: 1px solid var(--border); border-radius: 999px;
  color: var(--text); margin: 0 4px 4px 0; font-size: .85rem; }
.chips a.on { border-color: var(--accent); color: var(--accent); }

.msg { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; }
.msg .meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .82rem; color: var(--muted); }
.msg .q { margin: 8px 0; white-space: pre-wrap; }
.msg .draft { white-space: pre-wrap; background: var(--panel2); border-radius: 8px; padding: 8px 10px; }

/* график */
.chart { position: relative; }
.chart svg { width: 100%; height: 260px; display: block; }
.chart .tip { position: absolute; pointer-events: none; background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: .82rem; box-shadow: 0 4px 14px rgba(0,0,0,.15); display: none; min-width: 160px; }
.chart .tip .row { display: flex; justify-content: space-between; gap: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: .85rem; margin-bottom: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

.login { max-width: 340px; margin: 12vh auto; }
.login input { width: 100%; margin: 6px 0 10px; }

@media (max-width: 640px) {
  main { padding: 12px 16px; }
  .tile .value { font-size: 1.25rem; }
  .topnav { gap: 6px 12px; }
}