:root {
  color-scheme: light;
  --bg: #f4f4f2;
  --surface-1: #fcfcfb;
  --surface-2: #f0efec;
  --border: #e3e2de;
  --grid: #ecebe7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #77766f;
  --accent: #2a78d6;
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100;
  --series-5: #e87ba4; --series-6: #008300; --series-7: #6250d6; --series-8: #e34948;
  --good: #0ca30c; --warning: #fab219; --serious: #ec835a; --critical: #d03b3b;
  --good-text: #006300; --critical-text: #b42727;
  --seq-0: #cde2fb; --seq-1: #9ec5f4; --seq-2: #6da7ec; --seq-3: #3987e5; --seq-4: #256abf; --seq-5: #184f95; --seq-6: #0d366b;
  --radius: 10px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121211;
  --surface-1: #1a1a19;
  --surface-2: #232321;
  --border: #2f2f2c;
  --grid: #282826;
  --text-primary: #f0efec;
  --text-secondary: #c3c2b7;
  --text-muted: #96958c;
  --accent: #3987e5;
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
  --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
  --good-text: #4cc94c; --critical-text: #f08080;
  --seq-0: #1c2a3d; --seq-1: #104281; --seq-2: #184f95; --seq-3: #256abf; --seq-4: #2a78d6; --seq-5: #5598e7; --seq-6: #9ec5f4;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 14px/1.45 var(--font); background: var(--bg); color: var(--text-primary); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; word-break: break-all; }
h1, h2 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: 14px; }
.muted { color: var(--text-secondary); }
.small { font-size: 12px; }
.fine { font-size: 12px; color: var(--text-muted); }
.mt { margin-top: 18px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.pre { white-space: pre-wrap; }

/* Top bar */
.topbar { display: flex; align-items: center; gap: 24px; padding: 0 24px; height: 56px; background: var(--surface-1); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; color: var(--text-primary); font-size: 15px; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 22px; height: 22px; border-radius: 6px; background:
  linear-gradient(135deg, var(--series-1) 0 50%, var(--series-2) 50% 100%); display: inline-block; }
.topbar nav { display: flex; gap: 4px; }
.topbar nav a { color: var(--text-secondary); padding: 6px 10px; border-radius: 6px; }
.topbar nav a.active, .topbar nav a:hover { color: var(--text-primary); background: var(--surface-2); text-decoration: none; }
.who { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.avatar { width: 26px; height: 26px; border-radius: 50%; }
.icon-btn { border: 1px solid var(--border); background: transparent; color: var(--text-secondary); border-radius: 6px; width: 30px; height: 30px; cursor: pointer; }

.wrap { max-width: 1440px; margin: 0 auto; padding: 20px 24px 60px; }
.page-title { font-size: 20px; margin-bottom: 14px; }

/* Filters */
.filters { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.spacer { flex: 1; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface-1); flex-wrap: wrap; }
.seg button { border: 0; background: transparent; color: var(--text-secondary); padding: 6px 11px; cursor: pointer; font: inherit; font-size: 13px; }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--surface-2); color: var(--text-primary); font-weight: 600; }
.field { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); }
.field.check { gap: 6px; }
input, select { font: inherit; color: var(--text-primary); background: var(--surface-1); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; }
input[type="checkbox"] { padding: 0; }
.scope { position: relative; }
.menu { position: absolute; top: calc(100% + 6px); left: 0; z-index: 30; width: 340px; max-height: 460px; overflow: auto; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0,0,0,.15); padding: 10px; }
.menu input[type="search"] { width: 100%; margin-bottom: 8px; }
.menu-actions { display: flex; gap: 8px; margin-bottom: 8px; }
.menu-actions button { border: 0; background: none; color: var(--accent); cursor: pointer; font: inherit; font-size: 12px; padding: 0; }
.menu h3 { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin: 10px 0 4px; }
.menu label { display: flex; align-items: center; gap: 8px; padding: 4px 4px; border-radius: 4px; cursor: pointer; font-size: 13px; }
.menu label:hover { background: var(--surface-2); }
.menu label .muted { margin-left: auto; font-size: 11px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; padding: 6px 12px; border-radius: 6px; cursor: pointer; font: inherit; font-size: 13px; font-weight: 550; }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn.ghost { background: var(--surface-1); color: var(--text-primary); border-color: var(--border); }
.btn.small { padding: 4px 9px; font-size: 12px; }
.btn.danger { background: transparent; color: var(--critical-text); border-color: var(--border); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Tabs */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 16px; overflow-x: auto; }
.tabs a { padding: 9px 14px; color: var(--text-secondary); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--text-primary); text-decoration: none; }
.tabs a.active { color: var(--text-primary); border-bottom-color: var(--text-primary); font-weight: 600; }

/* Cards & grids */
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 16px; min-width: 0; }
.card-h { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.grid-2 > .card, .grid-2-1 > .card { margin-bottom: 16px; }
@media (max-width: 1000px) { .grid-2, .grid-2-1 { grid-template-columns: 1fr; } }
.chart { position: relative; }
.h260 { height: 260px; } .h300 { height: 300px; } .h360 { height: 360px; }
.empty { text-align: center; padding: 40px; }

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.kpi .label { font-size: 12px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.kpi .value { font-size: 26px; font-weight: 650; letter-spacing: -0.02em; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .delta { font-size: 12px; margin-top: 2px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.delta .up { color: var(--good-text); } .delta .down { color: var(--critical-text); }
.delta.inverse .up { color: var(--critical-text); } .delta.inverse .down { color: var(--good-text); }
.swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; flex: none; }

/* Legend */
.legend { display: inline-flex; gap: 14px; font-size: 12px; color: var(--text-secondary); flex-wrap: wrap; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }

/* Horizontal bars */
.hbars { display: grid; gap: 8px; }
.hbar { display: grid; grid-template-columns: 82px 1fr 92px; align-items: center; gap: 10px; font-size: 13px; }
.hbar .track { height: 10px; background: var(--surface-2); border-radius: 0 4px 4px 0; overflow: hidden; }
.hbar .fill { height: 100%; border-radius: 0 4px 4px 0; }
.hbar .v { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-secondary); font-size: 12px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: left; font-weight: 600; color: var(--text-secondary); font-size: 12px; padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; position: sticky; top: 0; background: var(--surface-1); }
table.data th.sortable { cursor: pointer; user-select: none; }
table.data th.sortable:hover { color: var(--text-primary); }
table.data td { padding: 7px 10px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
table.data tr:hover td { background: var(--surface-2); }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data input:not([type=checkbox]) { width: 100%; min-width: 120px; }
.cell-bar { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.cell-bar i { display: block; height: 6px; border-radius: 0 3px 3px 0; background: var(--series-1); }
.truncate { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.pill { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; background: var(--surface-2); color: var(--text-secondary); margin: 1px 2px 1px 0; }
.score { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; font-variant-numeric: tabular-nums; }

/* Status (icon + label, never color alone) */
.status { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted); }
.status.s-ok::before { background: var(--good); } .status.s-partial::before { background: var(--warning); }
.status.s-failed::before { background: var(--critical); } .status.s-running::before { background: var(--series-1); }
.sev { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; font-size: 12px; }
.sev.critical { color: var(--critical-text); } .sev.serious { color: var(--text-primary); }

/* Retention heatmap */
table.heat td.cell { text-align: center; font-variant-numeric: tabular-nums; font-size: 12px; min-width: 56px; border: 2px solid var(--surface-1); border-radius: 4px; }

/* Alerts */
.alert { padding: 10px 12px; border-radius: 8px; background: color-mix(in srgb, var(--critical) 12%, var(--surface-1)); border: 1px solid color-mix(in srgb, var(--critical) 35%, var(--border)); }
.alert.ok { background: color-mix(in srgb, var(--good) 10%, var(--surface-1)); border-color: color-mix(in srgb, var(--good) 35%, var(--border)); }
.inline-form { display: inline-flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.card .inline-form { margin-bottom: 0; }
.rule { background: var(--surface-2); border-radius: 8px; padding: 10px 12px; font-family: var(--mono); font-size: 12px; word-break: break-word; margin: 8px 0; }

/* Tooltip */
.tip { position: fixed; z-index: 50; pointer-events: none; background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 12px; box-shadow: 0 6px 20px rgba(0,0,0,.18); max-width: 320px; }

/* Login */
.login-page { min-height: 100vh; display: grid; place-items: center; background: var(--bg); }
.login-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 14px; padding: 36px 34px; width: min(420px, 92vw); text-align: center; display: grid; gap: 14px; justify-items: center; }
.login-card .brand-mark { width: 40px; height: 40px; border-radius: 10px; }
.login-card h1 { font-size: 22px; }
.login-card p { margin: 0; }
.btn-google { display: inline-flex; align-items: center; gap: 10px; padding: 10px 18px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-1); color: var(--text-primary); font-weight: 600; }
.btn-google:hover { background: var(--surface-2); text-decoration: none; }
.btn-link { font-size: 12px; }

.more { margin-top: 10px; }
.why { min-width: 260px; max-width: 420px; }
table.data td { white-space: normal; }
.checks { display: flex; flex-wrap: wrap; gap: 4px 10px; max-width: 260px; }
.checks label { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; white-space: nowrap; }
.data .up, .tip .up { color: var(--good-text); } .data .down, .tip .down { color: var(--critical-text); }
table.heat td.cell { min-width: 64px; }