@layer components {
  /* Onboarding Wizard
   * Multi-step setup flow for new learners.
   * Stateless: step derived from user data, no step column needed.
   */

  .onboarding {
    padding-block: var(--space-8);
    max-width: 28rem;
  }

  .onboarding__card {
    margin-block-start: var(--space-6);

    & h1 {
      margin-block-end: var(--space-2);
    }

    & .stack {
      margin-block-start: var(--space-6);
    }
  }

  /* --- Progress dots --- */

  .onboarding__progress {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
  }

  .onboarding__dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-full);
    background: var(--color-border);
  }

  .onboarding__dot--active {
    background: var(--color-primary);
    width: 1.5rem;
    border-radius: var(--radius-full);
  }

  .onboarding__dot--complete {
    background: var(--color-primary);
  }

  /* --- Interest tags (checkbox pills) --- */

  .onboarding__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-block-start: var(--space-3);
  }

  .onboarding__tag {
    cursor: pointer;

    & input {
      position: absolute;
      opacity: 0;
      width: 0;
      height: 0;
    }

    & span {
      display: inline-block;
      padding: var(--space-2) var(--space-3);
      font-size: var(--font-size-small);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-full);
      transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    }

    & input:checked + span {
      background: color-mix(in oklch, var(--color-primary) 12%, transparent);
      border-color: var(--color-primary);
      color: var(--color-primary);
      font-weight: 500;
    }

    & input:focus-visible + span {
      outline: 2px solid var(--color-primary);
      outline-offset: 2px;
    }
  }

  /* --- Goal / target radio cards --- */

  .onboarding__goals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 8rem), 1fr));
    gap: var(--space-2);
    margin-block-start: var(--space-3);
  }

  .onboarding__goal-option {
    cursor: pointer;

    & input {
      position: absolute;
      opacity: 0;
      width: 0;
      height: 0;
    }

    & span {
      display: block;
      padding: var(--space-3);
      text-align: center;
      font-size: var(--font-size-small);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      transition: background var(--transition-fast), border-color var(--transition-fast);
    }

    & input:checked + span {
      background: color-mix(in oklch, var(--color-primary) 12%, transparent);
      border-color: var(--color-primary);
      color: var(--color-primary);
      font-weight: 500;
    }

    & input:focus-visible + span {
      outline: 2px solid var(--color-primary);
      outline-offset: 2px;
    }
  }

  /* --- Placement intro info grid --- */

  .onboarding__info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .onboarding__info-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    text-align: center;
  }

  /* --- Placement result level badge --- */

  .onboarding__level-badge {
    margin-block: var(--space-6);
  }

  .onboarding__level {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 5rem;
    height: 5rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    background: color-mix(in oklch, var(--color-primary) 10%, transparent);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
  }

  /* --- Session mode picker --- */

  .onboarding__modes {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-block-start: var(--space-6);
  }

  .onboarding__mode-card {
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }

  .onboarding__mode-card--recommended {
    border-color: var(--color-primary);
    background: color-mix(in oklch, var(--color-primary) 4%, var(--color-surface));
  }
}