.age-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
}

.age-modal--visible {
  display: flex;
}

.age-modal__backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(15, 59, 140, 0.5), transparent 60%),
              radial-gradient(circle at bottom right, rgba(197, 48, 48, 0.45), transparent 55%),
              rgba(15, 23, 42, 0.88);
}

.age-modal__panel {
  position: relative;
  z-index: 1;
  width: min(480px, 100% - 2 * var(--layout-gutter));
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(148, 163, 184, 0.35);
  transform: translateY(12px);
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.age-modal--visible .age-modal__panel {
  opacity: 1;
  transform: translateY(0);
}

.age-modal__eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.age-modal__title {
  font-size: var(--font-size-2xl);
}

.age-modal__text {
  margin-top: var(--space-4);
  margin-bottom: 0;
}

.age-modal__actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: flex-end;
}

.age-modal__btn {
  flex: 1 1 auto;
}

@media (min-width: 480px) {
  .age-modal__btn {
    flex: 0 0 auto;
  }
}

.age-modal__btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

body.age-modal--locked {
  overflow: hidden;
}