.age-confirmation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.age-confirmation.active {
  opacity: 1;
  visibility: visible;
}

.age-confirmation__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
}

.age-confirmation__modal {
  position: relative;
  z-index: 1;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  max-width: 90%;
  width: 500px;
  text-align: center;
}

.age-confirmation__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-heading);
  margin: 0 0 var(--spacing-md) 0;
}

.age-confirmation__text {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: var(--line-height-base);
  margin: 0 0 var(--spacing-xl) 0;
}

.age-confirmation__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.age-confirmation__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  min-height: 44px;
  width: 100%;
  white-space: nowrap;
}

.age-confirmation__button--confirm {
  background: #144799;
  color: var(--color-background);
  border: none;
}

.age-confirmation__button--confirm:hover {
  background: #0f3470;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.age-confirmation__button--exit {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.age-confirmation__button--exit:hover {
  background: var(--color-background-light);
  border-color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .age-confirmation__buttons {
    flex-direction: row;
    justify-content: center;
  }

  .age-confirmation__button {
    width: auto;
    min-width: 150px;
  }
}