html, body {
  font-family: Inter, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
}

.account-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--mud-palette-background);
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.auth-field span {
  color: var(--mud-palette-text-secondary);
  font-size: 0.875rem;
}

.auth-field input {
  font: inherit;
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--mud-palette-lines-default);
  background: var(--mud-palette-surface);
  color: var(--mud-palette-text-primary);
}

.auth-field input:focus-visible,
.logout-button:focus-visible,
.skip-link:focus {
  outline: 2px solid var(--mud-palette-primary);
  outline-offset: 2px;
}

.month-grid th:first-child,
.month-grid td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--mud-palette-surface);
  min-width: 14rem;
}

.month-grid th,
.month-grid td {
  font-variant-numeric: tabular-nums;
  vertical-align: top;
}

.month-grid th.is-selected,
.month-grid td.is-selected {
  background: color-mix(in srgb, var(--mud-palette-primary) 14%, var(--mud-palette-surface));
}

.month-grid tr.emphasis td {
  font-weight: 600;
}

.apexcharts-canvas,
.apexcharts-tooltip,
.apexcharts-legend-text,
.apexcharts-xaxis text,
.apexcharts-yaxis text {
  font-family: Inter, system-ui, sans-serif !important;
}

.nav-section {
  padding: 1rem 1rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mud-palette-text-secondary);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0;
  z-index: 1600;
  transform: translateY(-150%);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--mud-palette-primary);
  background: var(--mud-palette-surface);
  color: var(--mud-palette-text-primary);
  text-decoration: none;
}

.skip-link:focus {
  transform: none;
}

.month-grid-scroll {
  overflow: auto;
}

.report-month {
  max-width: 11rem;
  min-width: 7.5rem;
}

@media (max-width: 599.98px) {
  .app-title,
  .logout-label {
    display: none;
  }

  .report-month {
    max-width: 8.5rem;
  }

  .page-shell.mud-container {
    padding: 0.75rem !important;
  }

  .month-grid th:first-child,
  .month-grid td:first-child {
    min-width: 9rem;
  }
}