/* ---------------------------------------------------------------------------
   forms.css — Eingabe-Komponenten: Felder, Option-Cards, Consent, Fortschritt
   Regulaeres CSS mit den Farb-Tokens aus tailwind/input.css (kein @apply).
--------------------------------------------------------------------------- */

@layer components {
  /* === FORMULARE === */
  .form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-navy-900);
    margin-bottom: 0.375rem;
  }
  .form-hint {
    font-size: var(--text-sm);
    color: var(--color-ink-700);
    margin-top: 0.375rem;
  }
  .form-input,
  .form-select,
  .form-textarea {
    width: 100%;
    border: 1px solid var(--color-ink-300);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.875rem;
    min-height: 3rem;
    color: var(--color-ink-900);
    background: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.5;
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  }
  .form-textarea {
    min-height: 8rem;
    resize: vertical;
  }
  .form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23475060' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 8l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
  }
  .form-input::placeholder,
  .form-textarea::placeholder {
    color: var(--color-ink-600);
  }
  .form-input:hover,
  .form-select:hover,
  .form-textarea:hover {
    border-color: var(--color-navy-400);
  }
  .form-input:focus,
  .form-select:focus,
  .form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-600);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent-600) 25%, transparent);
  }
  .form-input[aria-invalid="true"],
  .form-select[aria-invalid="true"],
  .form-textarea[aria-invalid="true"] {
    border-color: var(--color-danger-700);
    background-color: var(--color-danger-50);
  }
  .form-error {
    display: flex;
    align-items: flex-start;
    gap: 0.375rem;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-danger-800);
    margin-top: 0.375rem;
  }
  .form-error:empty {
    display: none;
  }
  .form-error::before {
    content: "!";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.125rem;
    border-radius: 9999px;
    background: var(--color-danger-700);
    color: #fff;
    font-size: 0.75rem;
    line-height: 1;
  }
  .form-honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }

  /* === OPTION-CARDS (Radios/Checkboxen als Flaechen) === */
  .option-card {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    border: var(--hairline);
    border-radius: var(--radius-sm);
    min-height: 3.25rem;
    padding: 0.875rem 1rem;
    cursor: pointer;
    background: #fff;
    transition: border-color var(--duration-fast), background-color var(--duration-fast),
      box-shadow var(--duration-fast);
  }
  .option-card:hover {
    border-color: var(--color-navy-400);
    background-color: var(--color-ink-50);
  }
  .option-card:has(input:focus-visible) {
    outline: 3px solid var(--color-accent-600);
    outline-offset: 2px;
  }
  .option-card:has(input:checked) {
    border-color: var(--color-primary-600);
    box-shadow: inset 0 0 0 1px var(--color-primary-600);
    background-color: var(--color-primary-50);
  }
  .option-card input[type="radio"],
  .option-card input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }
  .option-mark {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.1875rem;
    border: 2px solid var(--color-ink-400);
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--duration-fast), background-color var(--duration-fast);
  }
  .option-card input[type="radio"] + .option-mark {
    border-radius: 9999px;
  }
  .option-card input[type="checkbox"] + .option-mark {
    border-radius: 0.25rem;
  }
  .option-card:has(input:checked) .option-mark {
    border-color: var(--color-primary-600);
    background: var(--color-primary-600);
  }
  .option-card:has(input:checked) .option-mark::after {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: inherit;
    background: #fff;
  }
  .option-card input[type="checkbox"]:checked + .option-mark::after {
    width: 0.625rem;
    height: 0.375rem;
    border-radius: 0;
    background: transparent;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translate(1px, -1px);
  }
  .option-title {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-navy-900);
    line-height: 1.35;
  }
  .option-desc {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-ink-700);
    line-height: 1.5;
    margin-top: 0.125rem;
  }

  /* === CONSENT-CHECKBOX === */
  .consent-box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    border: var(--hairline);
    border-radius: var(--radius-sm);
    padding: 1rem;
    cursor: pointer;
    background: var(--color-ink-50);
    transition: border-color var(--duration-fast), background-color var(--duration-fast);
  }
  .consent-box:hover {
    border-color: var(--color-navy-400);
  }
  .consent-box:has(input:focus-visible) {
    outline: 3px solid var(--color-accent-600);
    outline-offset: 2px;
  }
  .consent-box:has(input:checked) {
    border-color: var(--color-primary-600);
    background: #fff;
  }
  .consent-box input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }
  .consent-text {
    font-size: var(--text-sm);
    line-height: 1.55;
    color: var(--color-ink-700);
  }

  /* === FORTSCHRITT (Anfrage-Assistent) === */
  .progress-track {
    width: 100%;
    height: 0.375rem;
    background: var(--color-ink-200);
    border-radius: 9999px;
    overflow: hidden;
  }
  .progress-fill {
    height: 100%;
    /* Startwert vor dem ersten Skriptlauf; das Formular-Skript setzt die Breite je Schritt */
    width: 10%;
    background: var(--color-primary-600);
    border-radius: 9999px;
    transition: width var(--duration-slow) var(--ease-out);
  }

  /* Schritt-Kennzeichen: als Kette auf Themenseiten, als senkrechter
     Stepper neben dem Formular (.step-dots). */
  .step-dot {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-ink-700);
    padding: 0.3125rem 0.75rem 0.3125rem 0.3125rem;
    border-radius: var(--radius-sm);
    border: var(--hairline);
    background: #fff;
    white-space: nowrap;
  }
  .step-dot > span:first-child {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 9999px;
    background: var(--color-ink-100);
    color: var(--color-ink-700);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
  }
  .step-dot[data-state="current"] {
    border-color: var(--color-navy-900);
    color: var(--color-navy-900);
  }
  .step-dot[data-state="current"] > span:first-child {
    background: var(--color-navy-900);
    color: #fff;
  }
  .step-dot[data-state="done"] > span:first-child {
    background: var(--color-primary-600);
    color: #fff;
  }
  .step-dot[data-state="skipped"] {
    display: none;
  }

  .step-dots {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .step-dots::before {
    content: "";
    position: absolute;
    left: 1.0625rem;
    top: 1rem;
    bottom: 1rem;
    width: 2px;
    background: var(--color-ink-200);
  }
  .step-dots .step-dot {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.375rem 0;
    border: 0;
    background: transparent;
    white-space: normal;
    font-size: 0.9375rem;
    color: var(--color-ink-700);
  }
  .step-dots .step-dot > span:first-child {
    position: relative;
    z-index: 1;
    width: 2.125rem;
    height: 2.125rem;
    border-radius: 9999px;
    border: 2px solid var(--color-ink-300);
    background: #fff;
    color: var(--color-ink-700);
    font-size: 0.8125rem;
    font-weight: 700;
  }
  .step-dots .step-dot[data-state="current"] {
    color: var(--color-navy-900);
  }
  .step-dots .step-dot[data-state="current"] > span:first-child {
    border-color: var(--color-navy-900);
    background: var(--color-navy-900);
    color: #fff;
  }
  .step-dots .step-dot[data-state="done"] > span:first-child {
    border-color: var(--color-primary-600);
    background: var(--color-primary-600);
    color: #fff;
  }

  /* === OPTIONEN MIT TASTATURKUERZEL (Themen-Anfrage) === */
  .option-grid {
    display: grid;
    gap: 0.75rem;
  }
  @media (min-width: 640px) {
    .option-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }
  @media (min-width: 1024px) {
    .option-grid-3 {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
  }
  .option-card-keyed {
    padding: 0.875rem 1rem 0.875rem 0.875rem;
  }
  .option-key {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.875rem;
    height: 1.875rem;
    padding-inline: 0.375rem;
    border-radius: var(--radius-sm);
    background: var(--color-navy-50);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-navy-900);
    transition: background-color var(--duration-fast), color var(--duration-fast);
  }
  .option-card:has(input:checked) .option-key {
    background: var(--color-primary-600);
    color: #fff;
  }
  .kbd {
    display: inline-block;
    padding: 0.0625rem 0.4375rem;
    border: 1px solid currentColor;
    border-bottom-width: 2px;
    border-radius: 0.25rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.4;
    opacity: 0.85;
  }
  .key-hint {
    display: none;
  }
  @media (min-width: 1024px) and (hover: hover) {
    .key-hint {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.5rem 1.25rem;
      margin-top: 1rem;
      font-size: var(--text-sm);
      color: var(--color-ink-700);
    }
  }

  /* === ZUSAMMENFASSUNG IM KONTAKT-SCHRITT === */
  .answer-summary {
    display: grid;
    gap: 0.375rem 1rem;
    font-size: var(--text-sm);
    line-height: 1.5;
  }
  @media (min-width: 640px) {
    .answer-summary {
      grid-template-columns: max-content minmax(0, 1fr);
    }
  }
  .answer-summary dt {
    color: var(--color-ink-700);
  }
  .answer-summary dd {
    margin: 0;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-navy-900);
    overflow-wrap: anywhere;
  }
  .answer-summary dd + dt {
    margin-top: 0.25rem;
  }
  @media (min-width: 640px) {
    .answer-summary dd + dt {
      margin-top: 0;
    }
  }
}