:root {
  color-scheme: light;
  --page-plane: #f9f9f7;
  --surface-1: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);

  --series-1: #2a78d6;
  --series-2: #008300;
  --series-3: #e87ba4;
  --series-4: #eda100;
  --series-5: #1baf7a;
  --series-6: #eb6834;
  --series-7: #4a3aa7;
  --series-8: #e34948;

  --status-good: #0ca30c;
  --status-critical: #d03b3b;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme='light'])) {
    color-scheme: dark;
    --page-plane: #0d0d0d;
    --surface-1: #1a1a19;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --gridline: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.1);

    --series-1: #3987e5;
    --series-2: #008300;
    --series-3: #d55181;
    --series-4: #c98500;
    --series-5: #199e70;
    --series-6: #d95926;
    --series-7: #9085e9;
    --series-8: #e66767;

    --status-good: #0ca30c;
    --status-critical: #e66767;
  }
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --page-plane: #0d0d0d;
  --surface-1: #1a1a19;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --gridline: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.1);

  --series-1: #3987e5;
  --series-2: #008300;
  --series-3: #d55181;
  --series-4: #c98500;
  --series-5: #199e70;
  --series-6: #d95926;
  --series-7: #9085e9;
  --series-8: #e66767;

  --status-good: #0ca30c;
  --status-critical: #e66767;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--page-plane);
  color: var(--text-primary);
  line-height: 1.6;
}

.report { max-width: 900px; margin: 0 auto; padding: 0 20px 64px; }

header.report-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
header.report-header h1 { font-size: 1.5rem; margin: 0 0 4px; }
header.report-header .subtitle { color: var(--text-secondary); margin: 0; font-size: 0.95rem; }

.header-actions { display: flex; gap: 8px; flex-shrink: 0; flex-wrap: wrap; }

button.chip-btn {
  font: inherit;
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  cursor: pointer;
}
button.chip-btn:hover { background: var(--gridline); }

select.day-select {
  font: inherit;
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
}

#load-status { font-size: 0.85rem; color: var(--text-muted); margin: -12px 0 24px; }
#load-status.load-error { color: var(--status-critical); }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}
.stat-tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat-tile.status-good { border-left: 3px solid var(--status-good); }
.stat-tile.status-critical { border-left: 3px solid var(--status-critical); }
.stat-label { margin: 0 0 6px; font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.02em; }
.stat-value { margin: 0; font-size: 1.6rem; font-weight: 600; }
.stat-sub { margin: 4px 0 0; font-size: 0.78rem; color: var(--text-muted); }

section.report-section { margin-bottom: 40px; }
section.report-section h2 { font-size: 1.15rem; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }

.chart-container { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.chart-svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart-empty { color: var(--text-muted); text-align: center; padding: 40px 0; }
.chart-grid { stroke: var(--gridline); stroke-width: 1; }
.chart-axis-label { font-size: 10px; fill: var(--text-muted); }
.chart-bar-success { fill: var(--status-good); }
.chart-bar-failure { fill: var(--status-critical); }
.chart-hit { fill: transparent; cursor: crosshair; }

.chart-tooltip {
  position: absolute;
  background: var(--text-primary);
  color: var(--surface-1);
  font-size: 0.78rem;
  padding: 8px 10px;
  border-radius: 8px;
  pointer-events: none;
  z-index: 10;
  line-height: 1.5;
  white-space: nowrap;
}
.tt-title { font-weight: 600; margin-bottom: 4px; }
.chart-legend { display: flex; gap: 14px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.legend-item { font-size: 0.82rem; color: var(--text-secondary); display: inline-flex; align-items: center; gap: 6px; }
.legend-swatch, .tt-swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; }

table.failures-table { width: 100%; border-collapse: collapse; background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
table.failures-table th {
  text-align: left; padding: 10px 14px; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.02em;
  color: var(--text-muted); background: var(--page-plane); border-bottom: 1px solid var(--border);
}
table.failures-table td { padding: 10px 14px; font-size: 0.88rem; border-bottom: 1px solid var(--border); color: var(--text-secondary); }
table.failures-table tr:last-child td { border-bottom: none; }
table.failures-table a { color: var(--series-1); }
.no-failures { text-align: center; padding: 32px; color: var(--text-muted); background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; }

footer.report-footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.82rem; }

@media (max-width: 600px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  header.report-header { flex-direction: column; }
}

/* Login screen (same pattern as bls-frontend) */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 14px; padding: 32px; width: 100%; max-width: 360px; display: flex; flex-direction: column; }
.login-card h1 { font-size: 1.3rem; margin: 0 0 4px; }
.login-card .subtitle { color: var(--text-secondary); font-size: 0.9rem; margin: 0 0 24px; }
.login-card label { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 4px; }
.login-card input {
  font: inherit; font-size: 0.95rem; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--page-plane); color: var(--text-primary); margin-bottom: 16px;
}
.login-card input:focus { outline: 2px solid var(--series-1); outline-offset: 1px; }
.login-submit { background: var(--series-1); color: #fff; border: none; padding: 12px; font-weight: 600; margin-top: 4px; }
.login-submit:hover { opacity: 0.92; }
.login-submit:disabled { opacity: 0.6; cursor: default; }
.login-error { color: var(--status-critical); font-size: 0.85rem; margin: 12px 0 0; }