@layer components {
  .af-form {
    container-type: inline-size;
    container-name: af-form;
    --form-border: oklch(0.40 0 0 / 0.30);
  }

  .af-form__layout {
    display: grid;
    grid-template-columns: 1fr 34rem;
    gap: var(--space-3xl);
    align-items: start;
  }

  /* Form-scoped input border softening */
  .af-form .input {
    border-color: var(--form-border);
  }

  .af-form__main {
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
  }

  /* ---- ALERT (form-level error: CSRF, rate-limit, summary) ---- */
  .af-form__alert {
    display: flex;
    align-items: center;
    gap: var(--space-s);
    padding: var(--space-m) var(--space-l);
    background: var(--error-10);
    border: 1px solid var(--error);
    border-radius: var(--radius-m);
    color: var(--error-d-1);
    font-size: var(--text-s);
  }

  .af-form__alert .icon {
    width: 2rem;
    height: 2rem;
    color: var(--error);
    flex-shrink: 0;
  }

  .af-form__alert p {
    margin: 0;
    line-height: 1.5;
  }

  /* ---- SUCCESS ---- */
  .af-form__success {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-m);
    padding: var(--space-4xl) var(--space-l);
    max-width: 56rem;
    margin: 0 auto;
  }

  .af-form__success-icon {
    width: 7.2rem;
    height: 7.2rem;
    border-radius: 50%;
    background: var(--success-10);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-s);
  }

  .af-form__success-icon .icon {
    width: 3.6rem;
    height: 3.6rem;
  }

  .af-form__success-title {
    font-size: var(--text-3xl);
    font-weight: var(--weight-semibold);
    color: var(--text-title);
    line-height: 1.15;
    letter-spacing: -0.02em;
  }

  .af-form__success-text {
    font-size: var(--text-ml);
    color: var(--text-body);
    line-height: 1.6;
    max-width: 48rem;
    margin-bottom: var(--space-l);
  }

  /* ---- FORM ---- */
  .af-form__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
  }

  .af-form__fieldset {
    border: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-m);
  }

  .af-form__legend {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-l);
    font-weight: var(--weight-semibold);
    color: var(--text-title);
    padding-bottom: var(--space-s);
    border-bottom: 1px solid var(--form-border);
    margin-bottom: var(--space-s);
    width: 100%;
  }

  .af-form__legend-icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary);
    flex-shrink: 0;
  }

  .af-form__field {
    display: flex;
    flex-direction: column;
  }

  .af-form__field-error {
    margin: var(--space-2xs) 0 0;
    font-size: var(--text-xs);
    color: var(--error-d-1);
    line-height: 1.4;
  }

  .af-form__row {
    display: grid;
    gap: var(--space-m);
  }

  .af-form__row--2 {
    grid-template-columns: 1fr 1fr;
  }

  /* ---- RADIO (Bedruckstoff) ---- */
  .af-form__radio-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-s);
  }

  .af-form__radio {
    cursor: pointer;
  }

  .af-form__radio input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  .af-form__radio-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xs);
    padding: var(--space-m) var(--space-s);
    border: 1px solid var(--form-border);
    border-radius: var(--radius-m);
    font-size: var(--text-s);
    font-weight: var(--weight-medium);
    color: var(--text-body);
    transition: border-color var(--duration-fast) var(--ease-standard),
                box-shadow var(--duration-fast) var(--ease-standard);
    text-align: center;
  }

  .af-form__radio-box .icon {
    width: 2.2rem;
    height: 2.2rem;
    color: var(--text-body);
    opacity: 0.5;
    transition: color var(--duration-fast) var(--ease-standard),
                opacity var(--duration-fast) var(--ease-standard);
  }

  .af-form__radio-box:hover {
    border-color: var(--primary-50);
  }

  .af-form__radio input:checked + .af-form__radio-box {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
  }

  .af-form__radio input:checked + .af-form__radio-box .icon {
    color: var(--primary);
    opacity: 1;
  }

  .af-form__radio input:focus-visible + .af-form__radio-box {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }

  /* ---- FILE UPLOAD ---- */
  .af-form__file-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
  }

  .af-form__file-label .icon {
    width: 1.4rem;
    height: 1.4rem;
    color: var(--primary);
  }

  .af-form__file {
    width: 100%;
    padding: var(--space-s);
    font: inherit;
    font-size: var(--text-s);
    color: var(--text-body);
    background: var(--bg-body);
    border: 1px dashed var(--form-border);
    border-radius: var(--radius-s);
    cursor: pointer;
    transition: border-color var(--duration-fast) var(--ease-standard);
  }

  .af-form__file:hover {
    border-color: var(--primary-50);
  }

  .af-form__file:focus-visible {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-20);
  }

  .af-form__file::file-selector-button {
    margin-right: var(--space-m);
    padding: var(--space-2xs) var(--space-s);
    font: inherit;
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--text-body);
    background: var(--bg-muted);
    border: 1px solid var(--form-border);
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-standard);
  }

  .af-form__file::file-selector-button:hover {
    background: var(--primary-10);
  }

  .af-form__file-hint {
    margin: var(--space-2xs) 0 0;
    font-size: var(--text-xs);
    color: var(--text-muted);
  }

  /* ---- CHECKBOX (privacy) + SUBMIT ---- */
  .af-form__footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
    padding-top: var(--space-m);
    border-top: 1px solid var(--form-border);
  }

  .af-form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-s);
    cursor: pointer;
    font-size: var(--text-s);
    color: var(--text-body);
    line-height: 1.5;
  }

  .af-form__checkbox input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  .af-form__checkmark {
    width: 2rem;
    height: 2rem;
    min-width: 2rem;
    border: 1.5px solid var(--form-border);
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--duration-fast) var(--ease-standard),
                border-color var(--duration-fast) var(--ease-standard);
    margin-top: 0.1rem;
    position: relative;
  }

  .af-form__checkbox input:checked + .af-form__checkmark {
    background: var(--primary);
    border-color: var(--primary);
  }

  .af-form__checkbox input:checked + .af-form__checkmark::after {
    content: '';
    width: 1rem;
    height: 1rem;
    background: var(--text-body);
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
    mask-size: contain;
    mask-repeat: no-repeat;
    -webkit-mask-size: contain;
    -webkit-mask-repeat: no-repeat;
  }

  .af-form__checkbox input:focus-visible + .af-form__checkmark {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }

  .af-form__checkbox--error .af-form__checkmark {
    border-color: var(--error);
  }

  .af-form__submit {
    align-self: flex-start;
  }

  .af-form__submit .icon {
    width: 1.6rem;
    height: 1.6rem;
  }

  /* ---- SIDEBAR ---- */
  .af-form__sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
    position: sticky;
    top: 10rem;
  }

  .af-form__sidebar-card,
  .af-form__trust-card {
    border-radius: var(--radius-l);
    padding: var(--space-xl);
  }

  /* Both sidebar cards run background-free (client: the muted fill looked
     dirty); content stays flush-left to the form column edge. */
  .af-form__sidebar-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-m);
    padding-inline: 0;
  }

  .af-form__sidebar-title {
    font-size: var(--text-l);
    font-weight: var(--weight-semibold);
    color: var(--text-title);
  }

  .af-form__sidebar-text {
    font-size: var(--text-s);
    color: var(--text-body);
    opacity: 0.8;
    line-height: 1.6;
  }

  .af-form__sidebar-contacts {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
    margin-top: var(--space-xs);
  }

  .af-form__sidebar-contact {
    display: flex;
    align-items: center;
    gap: var(--space-m);
    text-decoration: none;
    padding: var(--space-s) var(--space-m);
    border-radius: var(--radius-m);
    transition: background var(--duration-fast) var(--ease-standard);
  }

  .af-form__sidebar-contact:hover {
    background: var(--bg-body);
  }

  .af-form__sidebar-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-s);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .af-form__sidebar-icon .icon {
    width: 1.8rem;
    height: 1.8rem;
    color: var(--text-body);
  }

  .af-form__sidebar-label {
    display: block;
    font-size: var(--text-2xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-body);
    opacity: 0.6;
    font-weight: var(--weight-medium);
  }

  .af-form__sidebar-value {
    display: block;
    font-size: var(--text-s);
    font-weight: var(--weight-semibold);
    color: var(--text-title);
  }

  .af-form__trust-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
    padding-inline: 0;
  }

  .af-form__trust-point {
    display: flex;
    gap: var(--space-m);
    align-items: flex-start;
  }

  .af-form__trust-icon {
    width: 3.6rem;
    height: 3.6rem;
    min-width: 3.6rem;
    border-radius: var(--radius-s);
    border: 1px solid var(--form-border);
    background: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .af-form__trust-icon .icon {
    width: 1.8rem;
    height: 1.8rem;
    color: var(--primary);
  }

  .af-form__trust-title {
    display: block;
    font-size: var(--text-s);
    font-weight: var(--weight-semibold);
    color: var(--text-title);
    margin-bottom: var(--space-3xs);
  }

  .af-form__trust-text {
    font-size: var(--text-xs);
    color: var(--text-body);
    opacity: 0.75;
    line-height: 1.5;
  }

  /* ---- RESPONSIVE ---- */
  @container af-form (max-width: 968px) {
    .af-form__layout {
      grid-template-columns: 1fr 30rem;
      gap: var(--space-2xl);
    }
  }

  @container af-form (max-width: 768px) {
    .af-form__layout {
      grid-template-columns: 1fr;
      gap: var(--space-2xl);
    }

    .af-form__sidebar {
      position: static;
      order: -1;
      flex-direction: row;
      flex-wrap: wrap;
      gap: var(--space-m);
    }

    .af-form__sidebar-card,
    .af-form__trust-card {
      flex: 1;
      min-width: 28rem;
    }
  }

  @container af-form (max-width: 640px) {
    .af-form__radio-group {
      grid-template-columns: 1fr 1fr;
    }

    .af-form__sidebar {
      flex-direction: column;
    }

    .af-form__sidebar-card,
    .af-form__trust-card {
      min-width: auto;
    }
  }

  @container af-form (max-width: 480px) {
    .af-form__row--2 {
      grid-template-columns: 1fr;
    }

    .af-form__radio-group {
      grid-template-columns: 1fr 1fr;
      gap: var(--space-xs);
    }

    .af-form__radio-box {
      padding: var(--space-s) var(--space-xs);
      font-size: var(--text-xs);
    }

    .af-form__submit {
      width: 100%;
      justify-content: center;
    }
  }
}