[data-c42-datepicker] {
  position: relative;
  display: inline-block;
}

[data-c42-datepicker-trigger] {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-width: 12rem;
  padding: 0.5rem 0.75rem;
  font: inherit;
  text-align: left;
  color: var(--c42-color-fg, #1f2937);
  background: var(--c42-color-bg, #ffffff);
  border: 1px solid var(--c42-color-border, #e5e7eb);
  border-radius: var(--c42-radius-sm, 0.5rem);
  cursor: pointer;
}

[data-c42-datepicker-value][data-placeholder] {
  color: var(--c42-color-muted, #6b7280);
}

[data-c42-datepicker-panel] {
  position: absolute;
  top: 0;
  left: 0;
  width: max-content;
  padding: 0.75rem;
  background: var(--c42-color-bg, #ffffff);
  border: 1px solid var(--c42-color-border, #e5e7eb);
  border-radius: var(--c42-radius, 0.75rem);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  z-index: 10;
  animation: c42-dropdown-in var(--c42-transition, 200ms ease);
}

[data-c42-datepicker-panel][hidden] {
  display: none;
}

[data-c42-datepicker-panel] > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

[data-c42-datepicker-label] {
  font-weight: 600;
  color: var(--c42-color-fg, #1f2937);
}

[data-c42-datepicker-prev],
[data-c42-datepicker-next] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font: inherit;
  color: var(--c42-color-muted, #6b7280);
  background: transparent;
  border: 0;
  border-radius: var(--c42-radius-sm, 0.5rem);
  cursor: pointer;
}

[data-c42-datepicker-prev]:hover,
[data-c42-datepicker-next]:hover {
  background: var(--c42-color-surface, #f9fafb);
  color: var(--c42-color-fg, #1f2937);
}

[data-c42-datepicker-weekdays],
[data-c42-datepicker-grid] [role='row'] {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.125rem;
}

[data-c42-datepicker-weekday] {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--c42-color-muted, #6b7280);
}

[data-c42-datepicker-day] {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  font: inherit;
  color: var(--c42-color-fg, #1f2937);
  background: transparent;
  border: 0;
  border-radius: var(--c42-radius-sm, 0.5rem);
  cursor: pointer;
}

[data-c42-datepicker-day]:hover:not(:disabled) {
  background: var(--c42-color-surface, #f9fafb);
}

[data-c42-datepicker-day][data-outside] {
  color: var(--c42-color-muted, #6b7280);
  opacity: 0.5;
}

[data-c42-datepicker-day][data-today] {
  box-shadow: inset 0 0 0 1px var(--c42-color-accent, #4f46e5);
}

[data-c42-datepicker-day][data-state='selected'] {
  background: var(--c42-color-accent, #4f46e5);
  color: var(--c42-color-on-accent, #fff);
  font-weight: 600;
}

[data-c42-datepicker-day][data-state='range-start'],
[data-c42-datepicker-day][data-state='range-end'] {
  background: var(--c42-color-accent, #4f46e5);
  color: var(--c42-color-on-accent, #fff);
  font-weight: 600;
}

[data-c42-datepicker-day][data-state='in-range'] {
  background: color-mix(in srgb, var(--c42-color-accent, #4f46e5) 15%, transparent);
  color: var(--c42-color-accent-strong, #4338ca);
  border-radius: 0;
}

[data-c42-datepicker-day][data-state='range-start'] {
  border-radius: var(--c42-radius-sm, 0.5rem) 0 0 var(--c42-radius-sm, 0.5rem);
}

[data-c42-datepicker-day][data-state='range-end'] {
  border-radius: 0 var(--c42-radius-sm, 0.5rem) var(--c42-radius-sm, 0.5rem) 0;
}

[data-c42-datepicker-day]:disabled {
  color: var(--c42-color-muted, #6b7280);
  opacity: 0.4;
  cursor: not-allowed;
}

[data-c42-datepicker-day]:focus-visible {
  outline: 2px solid var(--c42-color-accent, #4f46e5);
  outline-offset: 1px;
}

@keyframes c42-dropdown-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}