/* ---------- design tokens (light first; dark via media query + data-theme toggle) ---------- */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface-1: #fcfcfb;
  --surface-2: #f0efec;
  --ink-1: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;  /* blue    — tickets */
  --series-2: #eb6834;  /* orange  — humanizer */
  --series-3: #1baf7a;  /* aqua    — web humanizer */
  --series-4: #eda100;  /* yellow  */
  --series-5: #e87ba4;  /* magenta */
  --series-6: #008300;  /* green   — revenue */
  --series-7: #4a3aa7;  /* violet  */
  --seq-100: #cde2fb; --seq-200: #9ec5f4; --seq-300: #6da7ec;
  --seq-400: #3987e5; --seq-500: #256abf; --seq-600: #184f95; --seq-700: #0d366b;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --good-text: #006300;
  --accent: #2a78d6;
  --accent-ink: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface-1: #1a1a19;
    --surface-2: #242423;
    --ink-1: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #c98500;
    --series-5: #d55181;
    --series-6: #008300;
    --series-7: #9085e9;
    --good-text: #0ca30c;
    --accent: #3987e5;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface-1: #1a1a19;
  --surface-2: #242423;
  --ink-1: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --series-5: #d55181;
  --series-6: #008300;
  --series-7: #9085e9;
  --good-text: #0ca30c;
  --accent: #3987e5;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--page);
  color: var(--ink-1);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; }
[hidden] { display: none !important; }

/* ---------- app shell ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 208px; flex: 0 0 208px;
  background: var(--surface-1);
  border-right: 1px solid var(--border);
  padding: 16px 10px;
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 2px;
}
.brand { font-weight: 700; font-size: 15px; padding: 6px 10px 14px; letter-spacing: 0.2px; }
.brand small { display: block; color: var(--muted); font-weight: 400; font-size: 11px; }
.nav-item {
  display: block; padding: 8px 10px; border-radius: 8px;
  color: var(--ink-2); cursor: pointer; border: 0; background: none; text-align: left; width: 100%;
}
.nav-item:hover { background: var(--surface-2); text-decoration: none; }
.nav-item.active { background: var(--surface-2); color: var(--ink-1); font-weight: 600; }
.sidebar .spacer { flex: 1; }
.sidebar .foot { padding: 8px 10px; color: var(--muted); font-size: 12px; display: flex; gap: 10px; align-items: center; }

.main { flex: 1; min-width: 0; padding: 20px 24px 48px; }
.page-title { font-size: 19px; font-weight: 700; margin: 2px 0 16px; }

/* ---------- top controls ---------- */
.controls-row {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin-bottom: 16px;
}
.controls-row .grow { flex: 1; }
.seg {
  display: inline-flex; background: var(--surface-1);
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.seg button {
  border: 0; background: none; color: var(--ink-2); padding: 6px 12px; cursor: pointer;
}
.seg button.active { background: var(--surface-2); color: var(--ink-1); font-weight: 600; }
.seg button + button { border-left: 1px solid var(--border); }
input[type="text"], input[type="password"], input[type="date"], input[type="search"], select {
  background: var(--surface-1); color: var(--ink-1);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px;
  outline: none; min-width: 0;
}
input:focus, select:focus { border-color: var(--accent); }
.btn {
  background: var(--surface-1); color: var(--ink-1);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 12px; cursor: pointer;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.small { padding: 3px 9px; font-size: 12.5px; border-radius: 6px; }

/* ---------- cards & grids ---------- */
.grid { display: grid; gap: 14px; }
.kpi-row { grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); margin-bottom: 14px; }
.two-col { grid-template-columns: 1fr 1fr; }
@media (max-width: 980px) { .two-col { grid-template-columns: 1fr; } .sidebar { width: 64px; flex-basis: 64px; } .brand span, .nav-item .txt { display: none; } }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}
.stat-label { color: var(--ink-2); font-size: 12.5px; }
.stat-value { font-size: 26px; font-weight: 650; margin-top: 2px; }
.stat-value.hero { font-size: 48px; line-height: 1.1; }
.stat-delta { font-size: 12px; margin-top: 2px; color: var(--muted); }
.stat-delta.up { color: var(--good-text); }
.stat-delta.down { color: var(--critical); }
.stat-foot { margin-top: 8px; display: flex; justify-content: space-between; align-items: flex-end; gap: 8px; }
.stat-foot .muted { white-space: nowrap; }

/* ---------- chart chrome ---------- */
.chart-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.chart-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.chart-title { font-weight: 650; }
.chart-subtitle { color: var(--muted); font-size: 12px; margin-top: 1px; }
.chart-legend-row { margin: 8px 0 2px; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; }
.chart-legend-item { display: inline-flex; gap: 6px; align-items: center; color: var(--ink-2); font-size: 12.5px; }
.chart-legend-swatch { width: 10px; height: 10px; border-radius: 3px; }
.chart-legend-line { width: 14px; height: 2.5px; border-radius: 2px; }
.chart-body { margin-top: 6px; }
.chart-tablebtn {
  background: none; border: 1px solid var(--border); color: var(--muted);
  border-radius: 6px; padding: 2px 9px; font-size: 12px; cursor: pointer;
}
.chart-tablebtn:hover { color: var(--ink-1); background: var(--surface-2); }
.chart-table { margin-top: 8px; max-height: 260px; overflow: auto; }
svg .tick { fill: var(--muted); font-size: 11px; }
svg .endlabel { fill: var(--ink-2); font-size: 11.5px; font-weight: 600; }

.chart-tip {
  position: fixed; z-index: 50; pointer-events: none;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  font-size: 12.5px; max-width: 260px;
}
.chart-tip-title { color: var(--muted); margin-bottom: 4px; }
.chart-tip-row { display: flex; align-items: center; gap: 6px; margin-top: 2px; }
.chart-tip-key { width: 10px; height: 2.5px; border-radius: 2px; flex: 0 0 auto; }
.chart-tip-val { font-weight: 650; }
.chart-tip-label { color: var(--ink-2); }

/* ---------- tables ---------- */
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; position: sticky; top: 0; background: var(--surface-1); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: var(--surface-2); }
tbody tr.click { cursor: pointer; }
.table-scroll { overflow-x: auto; }

/* ---------- status pills ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 1px 9px; border-radius: 99px; font-size: 12px; font-weight: 600;
  background: var(--surface-2); color: var(--ink-2);
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.pill.good { color: var(--good-text); } .pill.good::before { background: var(--good); }
.pill.warn::before { background: var(--warning); }
.pill.serious::before { background: var(--serious); }
.pill.bad { color: var(--critical); } .pill.bad::before { background: var(--critical); }
.pill.info::before { background: var(--series-1); }

/* ---------- misc ---------- */
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
.section-title { font-weight: 650; font-size: 15px; margin: 22px 0 10px; }
.empty { color: var(--muted); text-align: center; padding: 28px 0; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 10px; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 4px 12px; font-size: 13px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; overflow-wrap: anywhere; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.detail-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; }
@media (max-width: 980px) { .detail-grid { grid-template-columns: 1fr; } }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.breadcrumb a { cursor: pointer; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--page); }
.login-card { width: 320px; }
.login-card h1 { font-size: 18px; margin: 0 0 14px; }
.login-card form { display: grid; gap: 10px; }
.login-error { color: var(--critical); font-size: 13px; min-height: 18px; }