/* ============================================================
   void-calendar
   ============================================================ */

void-calendar {
  display: inline-flex;
  flex-direction: column;
  font-family: var(--void-font-sans);
  user-select: none;
}

/* ── Header ── */

.void-calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--void-space-1) 0;
  gap: var(--void-space-2);
}

.void-calendar-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--void-space-8);
  height: var(--void-space-8);
  padding: 0;
  border: none;
  border-radius: var(--void-radius-md);
  background: transparent;
  color: var(--void-color-text-secondary);
  cursor: pointer;
  transition: background var(--void-duration-fast) var(--void-ease-in-out),
              color var(--void-duration-fast) var(--void-ease-in-out);
}

.void-calendar-nav:hover {
  background: var(--void-color-bg-hover);
  color: var(--void-color-text);
}

.void-calendar-nav svg {
  width: 1rem;
  height: 1rem;
}

.void-calendar-nav:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.void-calendar-title {
  flex: 1;
  padding: var(--void-space-1) var(--void-space-2);
  border: none;
  border-radius: var(--void-radius-md);
  background: transparent;
  color: var(--void-color-text);
  font-family: inherit;
  font-size: var(--void-text-sm);
  font-weight: var(--void-weight-semibold);
  text-align: center;
  cursor: pointer;
  transition: background var(--void-duration-fast) var(--void-ease-in-out);
}

.void-calendar-title:hover {
  background: var(--void-color-bg-hover);
}

.void-calendar-title:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.void-calendar-title--static {
  cursor: default;
}

.void-calendar-title--static:hover {
  background: transparent;
}

/* ── Day grid ── */

.void-calendar-grid {
  display: flex;
  flex-direction: column;
}

.void-calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.void-calendar-weekday {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--void-space-8);
  color: var(--void-color-text-muted);
  font-size: var(--void-text-xs);
  font-weight: var(--void-weight-medium);
}

.void-calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.void-calendar-day {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--void-space-8);
  height: var(--void-space-8);
  padding: 0;
  border: none;
  border-radius: var(--void-radius-md);
  background: transparent;
  color: var(--void-color-text);
  font-family: inherit;
  font-size: var(--void-text-sm);
  cursor: pointer;
  transition: background var(--void-duration-fast) var(--void-ease-in-out),
              color var(--void-duration-fast) var(--void-ease-in-out);
}

.void-calendar-day:hover:not(:disabled) {
  background: var(--void-color-bg-hover);
}

.void-calendar-day:focus-visible {
  outline: 2px solid var(--void-color-border-focus);
  outline-offset: -2px;
}

.void-calendar-day.outside {
  color: var(--void-color-text-muted);
}

.void-calendar-day.today {
  font-weight: var(--void-weight-bold);
  box-shadow: inset 0 -2px 0 0 var(--void-color-text-muted);
}

.void-calendar-day.selected {
  background: var(--void-color-accent);
  color: var(--void-color-text-on-accent);
  font-weight: var(--void-weight-semibold);
}

.void-calendar-day.selected:hover:not(:disabled) {
  background: var(--void-color-accent-hover);
}

.void-calendar-day.selected.today {
  box-shadow: none;
}

.void-calendar-day:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Month picker ── */

.void-calendar-months {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--void-space-1);
  padding: var(--void-space-1) 0;
}

.void-calendar-month {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--void-space-10);
  padding: 0;
  border: none;
  border-radius: var(--void-radius-md);
  background: transparent;
  color: var(--void-color-text);
  font-family: inherit;
  font-size: var(--void-text-sm);
  cursor: pointer;
  transition: background var(--void-duration-fast) var(--void-ease-in-out);
}

.void-calendar-month:hover:not(:disabled) {
  background: var(--void-color-bg-hover);
}

.void-calendar-month.current {
  font-weight: var(--void-weight-bold);
  box-shadow: inset 0 -2px 0 0 var(--void-color-text-muted);
}

.void-calendar-month:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Year picker ── */

.void-calendar-years {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--void-space-1);
  padding: var(--void-space-1) 0;
}

.void-calendar-year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--void-space-10);
  padding: 0;
  border: none;
  border-radius: var(--void-radius-md);
  background: transparent;
  color: var(--void-color-text);
  font-family: inherit;
  font-size: var(--void-text-sm);
  cursor: pointer;
  transition: background var(--void-duration-fast) var(--void-ease-in-out);
}

.void-calendar-year:hover:not(:disabled) {
  background: var(--void-color-bg-hover);
}

.void-calendar-year.current {
  font-weight: var(--void-weight-bold);
  box-shadow: inset 0 -2px 0 0 var(--void-color-text-muted);
}

.void-calendar-year:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Disabled state ── */

void-calendar[disabled] {
  opacity: 0.5;
  pointer-events: none;
}

/* ── Size variants ── */

void-calendar[size="sm"] .void-calendar-day,
void-calendar[size="sm"] .void-calendar-weekday {
  width: var(--void-space-7);
  height: var(--void-space-7);
  font-size: var(--void-text-xs);
}

void-calendar[size="sm"] .void-calendar-title {
  font-size: var(--void-text-xs);
}

void-calendar[size="sm"] .void-calendar-month,
void-calendar[size="sm"] .void-calendar-year {
  height: var(--void-space-8);
  font-size: var(--void-text-xs);
}

void-calendar[size="lg"] .void-calendar-day,
void-calendar[size="lg"] .void-calendar-weekday {
  width: var(--void-space-10);
  height: var(--void-space-10);
  font-size: var(--void-text-base);
}

void-calendar[size="lg"] .void-calendar-title {
  font-size: var(--void-text-base);
}

void-calendar[size="lg"] .void-calendar-month,
void-calendar[size="lg"] .void-calendar-year {
  height: var(--void-space-12);
  font-size: var(--void-text-base);
}

/* ============================================================
   void-date-picker
   ============================================================ */

void-date-picker {
  display: inline-flex;
  flex-direction: column;
  gap: var(--void-space-1);
  font-family: var(--void-font-sans);
  position: relative;
}

/* ── Input anchor ── */

.void-date-picker-anchor {
  display: flex;
  position: relative;
}

.void-date-picker-input {
  width: 100%;
  padding: var(--void-space-2) var(--void-space-8) var(--void-space-2) var(--void-space-3);
  background: var(--void-color-bg-secondary);
  border: 1px solid var(--void-color-border);
  border-radius: var(--void-radius-md);
  color: var(--void-color-text);
  font-family: inherit;
  font-size: var(--void-text-sm);
  line-height: var(--void-leading-normal);
  outline: none;
  cursor: pointer;
  transition: border-color var(--void-duration-fast) var(--void-ease-in-out),
              box-shadow var(--void-duration-fast) var(--void-ease-in-out);
}

.void-date-picker-input::placeholder {
  color: var(--void-color-text-muted);
}

.void-date-picker-input:hover {
  border-color: var(--void-color-border-strong);
}

.void-date-picker-input:focus {
  border-color: var(--void-color-border-focus);
  box-shadow: 0 0 0 1px var(--void-color-border-focus);
}

.void-date-picker-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Calendar icon button ── */

.void-date-picker-icon {
  position: absolute;
  right: var(--void-space-2);
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--void-space-1);
  border: none;
  border-radius: var(--void-radius-sm);
  background: transparent;
  color: var(--void-color-text-muted);
  cursor: pointer;
  transition: color var(--void-duration-fast) var(--void-ease-in-out);
}

.void-date-picker-icon svg {
  width: 1rem;
  height: 1rem;
}

.void-date-picker-icon:hover {
  color: var(--void-color-text);
}

.void-date-picker-icon:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Expanded state ── */

void-date-picker[aria-expanded="true"] .void-date-picker-input {
  border-color: var(--void-color-border-focus);
  box-shadow: 0 0 0 1px var(--void-color-border-focus);
}

/* ── Dropdown ── */

.void-date-picker-dropdown {
  position: absolute;
  top: calc(100% + var(--void-space-1));
  left: 0;
  background: var(--void-color-bg-elevated);
  border: 1px solid var(--void-color-border);
  border-radius: var(--void-radius-md);
  box-shadow: 0 4px 16px var(--void-color-bg-overlay);
  z-index: var(--void-z-dropdown);
  padding: var(--void-space-2);
}

/* ── Color variants ── */

void-date-picker[color="error"] .void-date-picker-input {
  border-color: var(--void-color-error);
}
void-date-picker[color="error"] .void-date-picker-input:focus {
  box-shadow: 0 0 0 1px var(--void-color-error);
}

void-date-picker[color="warning"] .void-date-picker-input {
  border-color: var(--void-color-warning);
}
void-date-picker[color="warning"] .void-date-picker-input:focus {
  box-shadow: 0 0 0 1px var(--void-color-warning);
}

void-date-picker[color="caution"] .void-date-picker-input {
  border-color: var(--void-color-caution);
}
void-date-picker[color="caution"] .void-date-picker-input:focus {
  box-shadow: 0 0 0 1px var(--void-color-caution);
}

void-date-picker[color="success"] .void-date-picker-input {
  border-color: var(--void-color-success);
}
void-date-picker[color="success"] .void-date-picker-input:focus {
  box-shadow: 0 0 0 1px var(--void-color-success);
}

void-date-picker[color="info"] .void-date-picker-input {
  border-color: var(--void-color-info);
}
void-date-picker[color="info"] .void-date-picker-input:focus {
  box-shadow: 0 0 0 1px var(--void-color-info);
}

void-date-picker[color="notice"] .void-date-picker-input {
  border-color: var(--void-color-notice);
}
void-date-picker[color="notice"] .void-date-picker-input:focus {
  box-shadow: 0 0 0 1px var(--void-color-notice);
}

/* ── Disabled ── */

void-date-picker[disabled] {
  opacity: 0.5;
  pointer-events: none;
}

/* ── Size variants ── */

void-date-picker[size="sm"] .void-date-picker-input {
  padding: var(--void-space-1) var(--void-space-7) var(--void-space-1) var(--void-space-2);
  font-size: var(--void-text-xs);
}

void-date-picker[size="lg"] .void-date-picker-input {
  padding: var(--void-space-3) var(--void-space-10) var(--void-space-3) var(--void-space-4);
  font-size: var(--void-text-base);
}