/* ============================================
   CO.RA. Germany — Produktkonfigurator
   Ergänzt styles.css — nur .kf-* Klassen.
   ============================================ */

/* Konfigurator gibt es nur auf Deutsch — den von widgets.js injizierten
   Sprachumschalter auf diesen Seiten ausblenden (Links würden 404 laufen). */
.navbar .lang-switcher { display: none; }

/* ---- Layout ---- */
.kf-wrap {
  max-width: 920px;
  margin: 0 auto;
}

.kf-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
}

.kf-form fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

/* ---- Fortschrittsanzeige ---- */
.kf-progress {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
}

.kf-progress-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-white);
  color: var(--steel);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.3;
}

.kf-progress-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--steel);
  font-weight: 700;
  font-size: 0.78rem;
}

.kf-progress-item.is-active {
  border-color: var(--red);
  color: var(--ink);
}

.kf-progress-item.is-active .kf-progress-num {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.kf-progress-item.is-done {
  color: var(--ink);
}

.kf-progress-item.is-done .kf-progress-num {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

/* ---- Schritte ---- */
.kf-step { display: none; }
.kf-step--active { display: block; }

.kf-step-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}

.kf-step-intro {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 28px;
}

.kf-subhead {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--red);
  margin: 34px 0 16px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.kf-subhead:first-of-type,
.kf-subhead.kf-subhead--first {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* ---- Felder ---- */
.kf-field {
  margin-bottom: 24px;
}

.kf-field-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.kf-form input[type="text"],
.kf-form input[type="number"],
.kf-form input[type="email"],
.kf-form input[type="tel"],
.kf-form select,
.kf-form textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-white);
  color: var(--text);
  font-family: var(--font);
  transition: border-color 0.2s;
}

.kf-form input:focus,
.kf-form select:focus,
.kf-form textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(226, 35, 26, 0.12);
}

.kf-form textarea {
  min-height: 110px;
  resize: vertical;
}

.kf-input--s { max-width: 220px; }

.kf-invalid {
  border-color: var(--red) !important;
  box-shadow: 0 0 0 3px rgba(226, 35, 26, 0.15) !important;
}

/* ---- Optionen (Radio / Checkbox) ---- */
.kf-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 10px;
}

.kf-options--full {
  grid-template-columns: 1fr;
}

.kf-option {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 11px 14px;
  cursor: pointer;
  background: var(--bg-white);
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}

.kf-option:hover {
  border-color: var(--red);
}

.kf-option:has(input:checked) {
  border-color: var(--red);
  background: var(--red-light);
}

.kf-option input[type="radio"],
.kf-option input[type="checkbox"] {
  accent-color: var(--red);
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}

.kf-option small {
  display: block;
  color: var(--steel);
  font-size: 0.78rem;
}

/* Kompakte Pill-Optionen (z. B. ATEX-Zonen) */
.kf-options--inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kf-options--inline .kf-option {
  padding: 7px 12px;
  font-size: 0.82rem;
  align-items: center;
}

.kf-options--inline .kf-option input {
  margin-top: 0;
}

/* Kleine Zusatzeingabe innerhalb einer Option ("bitte Höhe angeben") */
.kf-inline-input {
  display: inline-block;
  width: 150px !important;
  margin-left: 8px;
  padding: 4px 8px !important;
  font-size: 0.8rem !important;
  vertical-align: middle;
}

/* ---- Eingabe mit Einheit ---- */
.kf-unit {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kf-unit input { flex: 1; }

.kf-unit span {
  color: var(--steel);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

/* ---- Grids ---- */
.kf-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.kf-grid-3 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 12px;
}

.kf-grid-2 .kf-field,
.kf-grid-3 .kf-field {
  margin-bottom: 0;
}

.kf-grid-row { margin-bottom: 24px; }

/* ---- ATEX-Block ---- */
.kf-atex {
  border: 1px solid var(--border) !important;
  border-radius: 10px;
  padding: 24px !important;
  margin-bottom: 28px !important;
  background: var(--bg-light);
}

.kf-atex legend {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  padding: 0 8px;
  margin-left: -8px;
}

.kf-atex-row {
  display: grid;
  grid-template-columns: 96px 1fr 1fr;
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px dashed var(--border);
}

.kf-atex-row:last-of-type { border-bottom: none; padding-bottom: 0; }

.kf-atex-rowlabel {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ink);
  padding-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kf-atex-cell .kf-field { margin-bottom: 0; }

.kf-atex-cat {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--steel);
  margin-bottom: 8px;
}

.kf-atex .kf-option {
  background: var(--bg-white);
}

/* ---- Hinweise ---- */
.kf-note {
  font-size: 0.8rem;
  color: var(--steel);
  line-height: 1.6;
  margin-top: 10px;
}

.kf-note a { font-weight: 600; }

/* ---- Navigation ---- */
.kf-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ---- Zusammenfassung ---- */
.kf-summary {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 28px;
  margin-bottom: 12px;
}

.kf-summary-group { margin-bottom: 20px; }
.kf-summary-group:last-child { margin-bottom: 0; }

.kf-summary-group h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--red);
  margin-bottom: 10px;
}

.kf-summary-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 12px;
  padding: 5px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.85rem;
}

.kf-summary-row:last-child { border-bottom: none; }

.kf-summary-row dt {
  font-weight: 600;
  color: var(--navy);
}

.kf-summary-row dd {
  margin: 0;
  color: var(--text-secondary);
}

/* ---- Banner (Erfolg / Fehler) ---- */
.kf-banner {
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 28px;
}

.kf-banner--success {
  background: #eef7ef;
  border: 1px solid #bcdec2;
  color: #1f5736;
}

.kf-banner--error {
  background: var(--red-light);
  border: 1px solid var(--red);
  color: var(--red-dark);
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .kf-progress { flex-wrap: wrap; }
  .kf-progress-item { flex: 1 1 45%; }
  .kf-atex-row { grid-template-columns: 1fr; gap: 12px; }
  .kf-atex-rowlabel { padding-top: 0; }
}

@media (max-width: 640px) {
  .kf-card { padding: 24px 18px; }
  .kf-grid-2 { grid-template-columns: 1fr; }
  .kf-grid-3 { grid-template-columns: 1fr; }
  .kf-summary-row { grid-template-columns: 1fr; gap: 2px; }
  .kf-nav { flex-direction: column-reverse; align-items: stretch; }
  .kf-nav .btn { justify-content: center; }
  .kf-progress-item { flex: 1 1 100%; }
  .kf-inline-input { width: 120px !important; }
}