/* ── KICKOFF FRAGEBOGEN ─────────────────────────────────────────────────────
   Ergänzt style.css – nutzt alle bestehenden CSS-Variablen und
   Formular-Klassen (.form-field, .form-row, .btn, usw.).
   ─────────────────────────────────────────────────────────────────────────── */

/* Sicherstellen dass [hidden] immer greift, auch gegen display-Regeln */
[hidden] { display: none !important; }

/* ── PAGE LAYOUT ── */
.kickoff-page {
  padding: var(--section-v) var(--gutter);
  max-width: 52rem;
  margin: 0 auto;
}

.kickoff-header {
  margin-bottom: 3rem;
}

.kickoff-header .section-label {
  display: block;
  margin-bottom: 1rem;
}

.kickoff-header h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.kickoff-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-body);
  line-height: 1.75;
}

/* ── FORTSCHRITTSBALKEN ── */
.kf-progress {
  margin-bottom: 3rem;
  border: none;
  padding: 0;
}

.kf-progress-bar-track {
  height: 3px;
  background: var(--border);
  position: relative;
  overflow: hidden;
  margin-bottom: 0.875rem;
}

/* Der eigentliche Balken wird direkt als Kind von .kf-progress eingefügt
   damit er über dem Track-Element liegt; wir realisieren Track+Fill
   als Pseudo-Elemente auf .kf-progress-bar */
.kf-progress-bar {
  height: 3px;
  background: var(--border);
  position: relative;
  margin-bottom: 0.875rem;
  overflow: hidden;
}

.kf-progress-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--border);
}

.kf-progress-bar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: var(--kf-pct, 0%);
  background: var(--yellow);
  transition: width 0.35s ease;
}

@media (prefers-reduced-motion: reduce) {
  .kf-progress-bar::after { transition: none; }
}

.kf-progress-meta {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.kf-step-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  flex-shrink: 0;
}

.kf-step-title {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-body);
  flex: 1;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.kf-percent-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--mid);
  flex-shrink: 0;
  margin-left: auto;
}

/* ── STEPS WRAPPER ── */
.kf-steps {
  padding-bottom: 2rem;
}

/* ── STEP ── */
.kf-step {
  border: none;
  padding: 0;
  margin: 0;
  animation: kfFadeIn 0.25s ease both;
}

@keyframes kfFadeIn {
  from { opacity: 0; transform: translateY(0.5rem); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .kf-step { animation: none; }
}

.kf-step-legend {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--black);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0;
  width: 100%;
}

.kf-step-num {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--yellow);
  flex-shrink: 0;
}

.kf-step-note {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--mid);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 2rem;
  padding: 0.875rem 1rem;
  border-left: 3px solid var(--yellow);
  background: var(--off);
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

/* ── RADIO-GRUPPE ── */
.kf-radio-group {
  border: none;
  padding: 0;
  margin: 0;
}

.kf-radio-legend {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 0.875rem;
  display: block;
}

.kf-hint {
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--mid);
}

.kf-radio-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.kf-radio-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: color 0.12s;
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--text-body);
  line-height: 1.4;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.kf-radio-label:first-child { border-top: 1px solid var(--border); }

.kf-radio-label:hover { color: var(--black); }

.kf-radio-label input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1rem;
  height: 1rem;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  background: var(--white);
  flex-shrink: 0;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  position: relative;
  top: 0;
}

.kf-radio-label input[type="radio"]:checked {
  border-color: var(--black);
  background: var(--black);
  box-shadow: inset 0 0 0 3px var(--white);
}

.kf-radio-label input[type="radio"]:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 3px;
}

/* Dark Mode */
[data-theme="dark"] .kf-radio-label input[type="radio"]:checked {
  border-color: var(--yellow);
  background: var(--yellow);
  box-shadow: inset 0 0 0 3px var(--white);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .kf-radio-label input[type="radio"]:checked {
    border-color: var(--yellow);
    background: var(--yellow);
    box-shadow: inset 0 0 0 3px var(--white);
  }
}

/* ── CHECKBOX-GRUPPE ── */
.kf-checkbox-group {
  border: none;
  padding: 0;
  margin: 0;
}

.kf-checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
}

.kf-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--text-body);
  line-height: 1.4;
  transition: color 0.12s;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.kf-checkbox-label:nth-child(odd)  { padding-right: 1.5rem; }
.kf-checkbox-label:nth-child(even) { padding-left:  0.5rem; border-left: 1px solid var(--border); }

.kf-checkbox-label:hover { color: var(--black); }

.kf-checkbox-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1rem;
  height: 1rem;
  min-width: 1rem;
  border: 1.5px solid var(--border);
  background: var(--white);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  top: 0.1rem;
  transition: background 0.12s, border-color 0.12s;
}

.kf-checkbox-label input[type="checkbox"]:checked {
  background: var(--black);
  border-color: var(--black);
}

.kf-checkbox-label input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 0.25rem;
  top: 0.08rem;
  width: 0.28rem;
  height: 0.5rem;
  border: 1.5px solid var(--white);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.kf-checkbox-label input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 3px;
}

[data-theme="dark"] .kf-checkbox-label input[type="checkbox"]:checked {
  background: var(--yellow);
  border-color: var(--yellow);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .kf-checkbox-label input[type="checkbox"]:checked {
    background: var(--yellow);
    border-color: var(--yellow);
  }
}

.kf-note {
  display: block;
  font-size: 0.75rem;
  color: var(--mid);
  margin-top: 0.125rem;
  font-style: italic;
}

/* ── BEDINGTE FELDER ── */
.kf-conditional {
  margin-top: 0.75rem;
  padding: 1.25rem;
  background: var(--off);
  border-left: 3px solid var(--yellow);
  animation: kfFadeIn 0.2s ease both;
}

@media (prefers-reduced-motion: reduce) {
  .kf-conditional { animation: none; }
}

/* ── NAVIGATION ── */
.kf-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
}

#kfNextBtn { margin-left: auto; }

.kf-btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--border);
  transition: border-color 0.15s, color 0.15s;
}

.kf-btn-outline:hover,
.kf-btn-outline:focus-visible {
  border-color: var(--black);
  color: var(--black);
  outline-color: var(--black);
}

/* ── ZUSAMMENFASSUNG ── */
.kf-summary {
  animation: kfFadeIn 0.3s ease both;
}

.kf-summary-heading {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.kf-summary-intro {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--text-body);
  margin-bottom: 3rem;
}

.kf-summary-body {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.kf-summary-section {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.kf-summary-group {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 1rem;
}

.kf-summary-dl {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 0.5rem 1.5rem;
}

.kf-summary-dl dt {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--mid);
  padding-top: 0.125rem;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.kf-summary-dl dd {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--black);
  line-height: 1.55;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.kf-summary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* ── VALIDIERUNGS-FEHLER ── */
.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: transparent;
  outline: 3px solid var(--yellow);
  outline-offset: -3px;
}

.kf-radio-group:has(.field-error) .kf-radio-list,
.kf-checkbox-group:has(.field-error) .kf-checkbox-grid {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

.kf-submit-error {
  font-size: 0.9375rem;
  font-weight: 300;
  margin-top: 1rem;
  line-height: 1.6;
}

.kf-submit-error a {
  color: var(--mid);
  text-decoration: none;
  border-bottom: 1.5px solid var(--yellow);
  padding-bottom: 1px;
  transition: color 0.15s;
}

.kf-submit-error a:hover { color: var(--black); }

/* ── RESPONSIVE 900px ── */
@media (max-width: 56.25rem) {
  .kickoff-page { padding: var(--section-v) var(--gutter); }
  .kf-checkbox-grid { grid-template-columns: 1fr; }
  .kf-checkbox-label:nth-child(even) { border-left: none; padding-left: 0; }
  .kf-summary-dl { grid-template-columns: 8rem 1fr; }
}

/* ── RESPONSIVE 600px ── */
@media (max-width: 37.5rem) {
  .kf-summary-dl { grid-template-columns: 1fr; gap: 0.125rem 0; }
  .kf-summary-dl dt { padding-top: 0.75rem; border-top: 1px solid var(--border); }
  .kf-summary-dl dt:first-child { border-top: none; padding-top: 0; }
  .kf-summary-actions { flex-direction: column; align-items: stretch; }
  .kf-summary-actions .btn { text-align: center; }
  .kf-nav { flex-direction: column-reverse; align-items: stretch; }
  .kf-nav .btn { text-align: center; }
}