:root:has(#dark-toggle:checked) {
  --color-primary: #B0B8B4;
  --color-primary-light: #8C9B94;
  --color-primary-dark: #F4F6F4;
  --color-primary-surface: rgba(78, 117, 108, 0.15);
  --color-primary-hover: #8C9B94;

  --color-bg: #1A1F1D;
  --color-surface: rgba(34, 40, 38, 0.92);
  --color-surface-hover: rgba(46, 52, 49, 0.98);
  --color-surface-dim: #222826;

  --color-text: #F4F6F4;
  --color-text-secondary: #B0B8B4;
  --color-text-tertiary: #7A8580;
  --color-text-on-primary: #1A1F1D;

  --color-border: rgba(58, 64, 61, 0.5);
  --color-divider: rgba(58, 64, 61, 0.3);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.4);

  color-scheme: dark;
}

/* Dark mode datepicker hover shadows */
:root:has(#dark-toggle:checked) .datepicker-day:hover,
:root:has(#dark-toggle:checked) .datepicker-month-cell:hover,
:root:has(#dark-toggle:checked) .datepicker-year-cell:hover,
:root:has(#dark-toggle:checked) .datepicker-quarter-cell:hover,
:root:has(#dark-toggle:checked) .datepicker-day.hover-range-end,
:root:has(#dark-toggle:checked) .datepicker-month-cell.hover-range-end,
:root:has(#dark-toggle:checked) .datepicker-quarter-cell.hover-range-end,
:root:has(#dark-toggle:checked) .datepicker-year-cell.hover-range-end {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Dark mode table row hover */
:root:has(#dark-toggle:checked) .data-table tbody tr:hover {
  background: rgba(176, 184, 180, 0.08);
}

/* Dark mode header */
:root:has(#dark-toggle:checked) .header {
  background: rgba(26, 31, 29, 0.85);
}

/* Dark mode toast */
:root:has(#dark-toggle:checked) .toast {
  background: var(--color-primary);
  color: #1A1F1D;
}

/* Dark toggle label */
.dark-toggle-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.dark-toggle-label:hover {
  background: var(--color-primary-surface);
}

#dark-toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.dark-toggle-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
}