:root {
  color-scheme: light;
  --bg: #f4f4f2;
  --surface-1: #fcfcfb;
  --border: #e3e2de;
  --grid: #ecebe7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #7a7974;
  --accent: #2a78d6;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --band: rgba(42, 120, 214, 0.08);
  --good: #008300;
  --critical: #d03b3b;
  --warning: #b87800;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #121211;
    --surface-1: #1a1a19;
    --border: #2e2e2c;
    --grid: #262624;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #8f8e86;
    --accent: #3987e5;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --band: rgba(57, 135, 229, 0.14);
    --good: #3fae3f;
    --critical: #e66767;
    --warning: #d9a02b;
  }
}

* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text-primary); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; color: var(--text-secondary); font-weight: 600; }
.muted { color: var(--text-muted); }
.small { font-size: 12px; }
.error { color: var(--critical); min-height: 1em; }
.ok { color: var(--good); }
.warn { color: var(--warning); }
[hidden] { display: none !important; }

.top { display: flex; align-items: center; gap: 24px; padding: 10px 24px; background: var(--surface-1); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; color: var(--text-primary); }
.top nav { display: flex; gap: 16px; flex: 1; flex-wrap: wrap; }
.top nav a { color: var(--text-secondary); padding: 4px 0; border-bottom: 2px solid transparent; }
.top nav a.active { color: var(--text-primary); border-bottom-color: var(--accent); text-decoration: none; }
main { max-width: 1280px; margin: 0 auto; padding: 20px 24px 60px; }

.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-start; }
.row > .card { flex: 1 1 360px; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { font-size: 12px; color: var(--text-muted); font-weight: 600; white-space: nowrap; }
td.num, th.num { text-align: right; white-space: nowrap; }
tr.ours td { background: var(--band); font-weight: 600; }

button, .btn { font: inherit; border: 1px solid var(--accent); background: var(--accent); color: #fff; padding: 6px 12px; border-radius: 6px; cursor: pointer; white-space: nowrap; }
button.ghost { background: transparent; color: var(--text-primary); border-color: var(--border); }
button.danger { background: transparent; color: var(--critical); border-color: var(--border); }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; }
textarea { width: 100%; min-height: 70px; }
form.inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
form.inline label, .login-card label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--text-secondary); }

.login { min-height: 100vh; display: grid; place-items: center; }
.login-card { width: 320px; display: flex; flex-direction: column; gap: 12px; }

.badge { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 600; border: 1px solid var(--border); color: var(--text-secondary); }
.site-hd { color: #c75300; }
.site-wf { color: #7b3fb5; }
@media (prefers-color-scheme: dark) { .site-hd { color: #f08a3c; } .site-wf { color: #b28be0; } }

.stat { display: flex; flex-direction: column; }
.stat b { font-size: 22px; font-variant-numeric: tabular-nums; }
.stats { display: flex; gap: 32px; flex-wrap: wrap; }

.chart-box { position: relative; height: 220px; }
.chart-box.short { height: 140px; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 5px; }
.legend i.box { height: 10px; width: 10px; }
details summary { cursor: pointer; color: var(--text-secondary); }
.delta-up { color: var(--good); font-weight: 600; }
.delta-down { color: var(--critical); font-weight: 600; }