/* The panel every surface is built from: white, hairline border, 14px radius,
   shallow shadow. */

.card {
  background: var(--surface-card);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--card-pad);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: var(--measure-narrow);
  margin: 0 auto;
}

.card__title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
}

.card__subtitle {
  margin: calc(-1 * var(--space-sm)) 0 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* A back link inside a card sits above its title. */
.card__back {
  align-self: flex-start;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--dur) var(--ease-out);
}

.card__back:hover {
  color: var(--text-primary);
}