:root {
  color-scheme: light;
  --surface-1:      #fcfcfb;
  --surface-page:   #f9f9f7;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #898781;
  --gridline:       #e1e0d9;
  --baseline:       #c3c2b7;
  --border:         rgba(11, 11, 11, 0.10);

  --series-1: #2a78d6; /* blue */
  --series-2: #eb6834; /* orange */
  --series-3: #1baf7a; /* aqua */
  --series-4: #eda100; /* yellow */
  --series-5: #e87ba4; /* magenta */
  --series-6: #008300; /* green */
  --series-7: #4a3aa7; /* violet */
  --series-8: #e34948; /* red */

  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;

  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-1:      #1a1a19;
    --surface-page:   #0d0d0d;
    --text-primary:   #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted:     #898781;
    --gridline:       #2c2c2a;
    --baseline:       #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;
    --series-8: #e66767;

    --status-good: #0ca30c;
    --status-warning: #fab219;
    --status-serious: #ec835a;
    --status-critical: #e66767;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--series-1); }

/* ---------- Login page ---------- */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.login-card h1 {
  font-size: 1.25rem;
  margin: 0 0 4px;
}

.login-card p.sub {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: 0 0 24px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-page);
  color: var(--text-primary);
  font-size: 0.95rem;
}

.field input:focus {
  outline: 2px solid var(--series-1);
  outline-offset: 1px;
}

button.primary {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: none;
  background: var(--series-1);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

button.primary:hover { filter: brightness(1.06); }
button.primary:disabled { opacity: 0.6; cursor: default; }

.error-msg {
  color: var(--status-critical);
  font-size: 0.85rem;
  margin: -6px 0 16px;
  min-height: 1em;
}

/* ---------- App shell ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
}

.app-header .brand {
  font-weight: 700;
  font-size: 1.05rem;
}

.app-header .brand small {
  display: block;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

select#company-switcher, select#range-select {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-page);
  color: var(--text-primary);
  font-size: 0.9rem;
}

button.ghost {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
}
button.ghost:hover { background: var(--surface-page); }

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.company-title h2 { margin: 0 0 2px; font-size: 1.35rem; }
.company-title p { margin: 0 0 20px; color: var(--text-secondary); font-size: 0.9rem; }

.connection-badges { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--status-warning); }
.badge.connected .dot { background: var(--status-good); }

/* Stat tiles */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.tile .label { font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 8px; }
.tile .value { font-size: 1.6rem; font-weight: 600; line-height: 1; }
.tile .swatch { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }

/* Chart cards */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}
@media (max-width: 860px) {
  .chart-grid { grid-template-columns: 1fr; }
}

.chart-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.chart-card h3 { margin: 0 0 2px; font-size: 0.95rem; }
.chart-card .chart-sub { margin: 0 0 12px; font-size: 0.78rem; color: var(--text-muted); }
.chart-card .chart-wrap { position: relative; height: 240px; }

/* Reports panel */
.reports-panel {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.reports-panel h3 { margin: 0 0 4px; font-size: 1rem; }
.reports-panel .sub { color: var(--text-secondary); font-size: 0.82rem; margin: 0 0 16px; }

.reports-actions { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }

table.reports-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
table.reports-table th {
  text-align: left;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--gridline);
  padding: 8px 10px;
}
table.reports-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--gridline);
  font-variant-numeric: tabular-nums;
}
table.reports-table tr:last-child td { border-bottom: none; }

.empty-note { color: var(--text-muted); font-size: 0.85rem; padding: 8px 0; }

.mock-notice {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--surface-page);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 20px;
}