/* ============================================
   CHARVEL & CO - Custom Date Picker
   Vanilla component for birth-date inputs
   Reemplaza <input type="date"> con UX consistente con la marca.
   ============================================ */

/* ─── Wrapper ─────────────────────────────────────────────── */
.datepicker {
  position: relative;
  width: 100%;
}

/* ─── Trigger (estilo gemelo a .field-input) ──────────────── */
.datepicker__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  padding: 14px var(--space-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  text-align: left;
  background: var(--color-gray-100);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background var(--transition-base);
  -webkit-appearance: none;
  appearance: none;
}

.datepicker__trigger:hover {
  border-color: var(--color-primary-light);
}

.datepicker__trigger:focus,
.datepicker__trigger:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px var(--color-primary-10);
}

.datepicker__trigger[aria-expanded="true"] {
  border-color: var(--color-primary);
  background: var(--color-white);
}

/* Estado de error: CSS :has() para auto-mirror desde el hidden,
   y clase explícita inyectada por JS para fallback en navegadores viejos.
   Soporta ambas convenciones BEM: cotizar.html usa `field-input--error` y
   perfil-integral.html usa `field__input--error` (Fase B). */
.datepicker:has(input.field-input--error) .datepicker__trigger,
.datepicker:has(input.field__input--error) .datepicker__trigger,
.datepicker__trigger--error {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.08);
}

.datepicker__display {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.datepicker__display--placeholder {
  color: var(--color-gray-400);
}

.datepicker__icon {
  flex-shrink: 0;
  color: var(--color-gray-500);
  transition: color var(--transition-base);
}

.datepicker__trigger:hover .datepicker__icon,
.datepicker__trigger[aria-expanded="true"] .datepicker__icon,
.datepicker__trigger:focus-visible .datepicker__icon {
  color: var(--color-primary);
}

/* ─── Popover ─────────────────────────────────────────────── */
.datepicker__popover {
  position: absolute;
  top: calc(100% + var(--space-sm));
  left: 0;
  z-index: 900;
  width: 320px;
  padding: var(--space-lg);
  background: rgba(250, 248, 245, 0.96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--color-primary-20);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(26, 26, 26, 0.08),
              0 0 0 1px var(--color-primary-10);
  animation: datepicker-fade-in 200ms ease-out;
}

@keyframes datepicker-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Header (selects de mes y año) ──────────────────────── */
.datepicker__header {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.datepicker__month-select,
.datepicker__year-select {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23bc957b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  padding-right: var(--space-xl);
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast);
}

.datepicker__month-select:hover,
.datepicker__year-select:hover {
  background-color: var(--color-primary-10);
}

.datepicker__month-select:focus-visible,
.datepicker__year-select:focus-visible {
  border-color: var(--color-primary-20);
  background-color: var(--color-primary-10);
}

/* ─── Días de la semana ──────────────────────────────────── */
.datepicker__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: var(--space-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-primary-10);
}

.datepicker__weekday {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-align: center;
  letter-spacing: 0.05em;
  padding: var(--space-xs) 0;
}

/* ─── Grid de días ───────────────────────────────────────── */
.datepicker__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.datepicker__day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  outline: none;
  position: relative;
  transition: background var(--transition-fast),
              color var(--transition-fast);
}

.datepicker__day--blank {
  cursor: default;
  visibility: hidden;
}

.datepicker__day:hover:not(.datepicker__day--disabled):not(.datepicker__day--selected) {
  background: var(--color-primary-10);
}

.datepicker__day:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.datepicker__day--today::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  transform: translateX(-50%);
}

.datepicker__day--selected,
.datepicker__day--selected:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.datepicker__day--selected.datepicker__day--today::after {
  background: var(--color-text-inverse);
}

.datepicker__day--disabled {
  color: var(--color-text-light);
  opacity: 0.4;
  cursor: not-allowed;
}

.datepicker__day--disabled:hover {
  background: transparent;
}

/* ─── Footer (botones cancelar / confirmar — solo mobile) ── */
.datepicker__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-primary-10);
}

.datepicker__btn {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast),
              color var(--transition-fast);
}

.datepicker__btn--cancel {
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid transparent;
}

.datepicker__btn--cancel:hover {
  color: var(--color-text);
  background: var(--color-gray-100);
}

.datepicker__btn--confirm {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-primary);
}

.datepicker__btn--confirm:hover {
  background: var(--color-primary-dark);
}

/* ─── Mobile (≤768px) ────────────────────────────────────── */
@media (max-width: 768px) {
  .datepicker__popover {
    width: 100%;
    left: 0;
    right: 0;
  }
  .datepicker__day {
    min-height: 40px;
    min-width: 40px;
  }
}

/* En desktop, ocultamos footer — selección de día cierra inmediatamente */
@media (min-width: 769px) {
  .datepicker__footer {
    display: none;
  }
}