:root {
  --bg: #f6f7f9; --panel: #ffffff; --text: #17191c; --muted: #646b75; --line: #e3e6ea;
  --accent: #2459d6; --accent-ink: #ffffff; --ok: #1f8a4c; --warn: #b26a00; --bad: #c0362c;
  --starts: #2459d6; --completions: #1f8a4c; --leads: #b26a00; --bar: #dbe5fb;
  --radius: 10px; --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317; --panel: #191c21; --text: #e8eaed; --muted: #9aa1ab; --line: #2a2e35;
    --accent: #6b93f0; --accent-ink: #0d1016; --ok: #4cc27f; --warn: #e3a23b; --bad: #ef6b5f;
    --starts: #6b93f0; --completions: #4cc27f; --leads: #e3a23b; --bar: #24314f;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 var(--font); }
code { font-size: 12px; background: var(--bar); padding: 1px 4px; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.topbar { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 650; font-size: 16px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab { border: 1px solid var(--line); background: transparent; color: var(--text); padding: 6px 12px;
  border-radius: 999px; cursor: pointer; font: inherit; }
.tab[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.status { display: flex; align-items: center; gap: 12px; }
.status form { margin: 0; }

.pill { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pill-ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.pill-bad { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }
.pill-wait { background: color-mix(in srgb, var(--warn) 15%, transparent); color: var(--warn); }

.banner { padding: 10px 20px; background: color-mix(in srgb, var(--bad) 14%, var(--panel)); color: var(--bad);
  border-bottom: 1px solid var(--line); font-weight: 600; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 16px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: end; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.filters label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); }
.presets { display: flex; gap: 6px; flex-wrap: wrap; }
input, select { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
  border-radius: 6px; padding: 6px 8px; }
.btn { display: inline-block; font: inherit; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn-ghost { border-color: transparent; }
.chip { font: inherit; font-size: 12px; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line);
  background: transparent; color: var(--text); cursor: pointer; }
.chip:hover, .btn:hover, .tab:hover { border-color: var(--accent); }

.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 10px; margin: 6px 0 16px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.kpi .label { font-size: 12px; color: var(--muted); }
.kpi .value { font-size: 26px; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi .sub { font-size: 12px; color: var(--muted); }
.stale .value { opacity: .45; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.panel h2 { font-size: 15px; margin: 0; }
.grid2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
.num { text-align: right; }
.barcell { width: 40%; min-width: 80px; }
.bar { height: 8px; border-radius: 4px; background: var(--accent); }
.up { color: var(--ok); } .down { color: var(--bad); }

.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.sw-starts { background: var(--starts); } .sw-completions { background: var(--completions); } .sw-leads { background: var(--leads); }
.chart { width: 100%; min-height: 240px; }
.chart svg { width: 100%; height: 260px; display: block; }
.chart .axis { stroke: var(--line); }
.chart text { fill: var(--muted); font-size: 11px; }
.chart .l-starts { stroke: var(--starts); } .chart .l-completions { stroke: var(--completions); } .chart .l-leads { stroke: var(--leads); }
.chart .empty { fill: var(--muted); font-size: 13px; }

.formulas summary { cursor: pointer; font-weight: 600; }
.formulas li { margin: 4px 0; }

.login-body { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; }
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.alert { padding: 8px 10px; border-radius: 6px; margin-top: 10px; }
.alert-error { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }