@layer modules {
  .signup-plan-picker {
    border: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-m, var(--space-s));
    margin: 0;
    padding: 0;
  }

  .signup-plan-picker > legend {
    margin-block-end: var(--space-xxs);
    padding: 0;
  }

  .signup-plan-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .signup-plan-card__header {
    align-items: center;
    display: flex;
    gap: var(--space-xs);
    justify-content: space-between;
  }

  .signup-plan-card__name {
    font-weight: 600;
  }

  .signup-plan-card__info {
    align-items: center;
    background-color: transparent;
    border: 1px solid var(--color-border-strong);
    border-radius: 50%;
    color: var(--color-ink-medium);
    cursor: pointer;
    display: inline-flex;
    font-family: var(--font-serif);
    font-size: 0.85rem;
    font-style: italic;
    font-weight: 600;
    height: 1.5rem;
    justify-content: center;
    line-height: 1;
    padding: 0;
    transition: border-color 120ms ease-out, color 120ms ease-out;
    width: 1.5rem;
  }

  .signup-plan-card__info:hover {
    border-color: var(--color-ink);
    color: var(--color-ink);
  }

  .signup-plan-card__intervals {
    display: grid;
    gap: var(--space-xxs);
    grid-template-columns: 1fr 1fr;
  }

  .signup-plan-card__interval {
    align-items: center;
    background-color: var(--color-surface-2, transparent);
    border: 1px solid var(--color-border-strong);
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xxs);
    padding: var(--space-xs);
    transition: border-color 120ms ease-out;
  }

  .signup-plan-card__interval:hover {
    border-color: var(--color-ink-medium);
  }

  .signup-plan-card__interval:has(.signup-plan-card__interval-input:checked) {
    background-color: var(--color-canvas);
    border-color: var(--color-accent);
  }

  .signup-plan-card__interval-input {
    accent-color: var(--color-accent);
    flex: 0 0 auto;
    margin: 0;
  }

  .signup-plan-card__interval-label {
    flex: 1 1 auto;
    font-size: clamp(0.875rem, 2.8vw, 1rem);
    font-weight: 500;
  }

  .signup-plan-card__interval-price {
    flex: 0 0 100%;
    font-size: clamp(0.75rem, 2.4vw, 0.85rem);
    margin-inline-start: 1.5rem;
    white-space: nowrap;
  }

  .signup-plan-card__interval-price strong {
    font-size: clamp(0.95rem, 3vw, 1.125rem);
  }

  .tier-info-modal {
    background-color: var(--color-canvas);
    border: 1px solid var(--color-border-strong);
    border-radius: 1rem;
    color: inherit;
    inset-block-start: 50%;
    inset-inline-start: 50%;
    margin: 0;
    max-block-size: calc(100dvh - 4rem);
    max-inline-size: min(32rem, calc(100vw - 2rem));
    overflow-y: auto;
    padding: var(--space-l);
    position: fixed;
    transform: translate(-50%, -50%);
    width: 100%;
  }

  .tier-info-modal::backdrop {
    background-color: rgb(0 0 0 / 0.4);
  }

  .tier-info-modal__panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
  }

  .tier-info-modal__panel[hidden] {
    display: none;
  }

  .tier-info-modal__close {
    align-items: center;
    background-color: var(--color-surface-2, var(--color-canvas));
    border: 1px solid var(--color-border-strong);
    border-radius: 50%;
    color: var(--color-ink-medium);
    cursor: pointer;
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 1.1rem;
    height: 2rem;
    justify-content: center;
    line-height: 1;
    padding: 0;
    transition: background-color 120ms ease-out, color 120ms ease-out, border-color 120ms ease-out;
    width: 2rem;
  }

  .tier-info-modal__close:hover {
    background-color: var(--color-canvas);
    border-color: var(--color-ink);
    color: var(--color-ink);
  }
}