/* Kaufnebenkosten-Rechner — Präfix kn- */

.kn-page .page-head p {
  max-width: none;
}

.kn-lead {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--ink-soft);
  background: rgba(30, 58, 95, 0.06);
  border: 1px solid rgba(30, 58, 95, 0.12);
  border-radius: var(--radius);
}

.kn-layout {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  align-items: start;
}

@media (min-width: 1024px) {
  .kn-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 1.75rem;
  }
}

.kn-col--results {
  position: relative;
}

@media (min-width: 1024px) {
  .kn-col--results {
    position: sticky;
    top: 1rem;
  }
}

.kn-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.kn-card:last-child {
  margin-bottom: 0;
}

.kn-card--accent {
  border-color: rgba(30, 58, 95, 0.25);
  box-shadow: 0 4px 14px rgba(18, 21, 28, 0.06);
}

.kn-card__title {
  margin: 0;
  padding: 0.95rem 1.25rem;
  font-family: var(--display);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  color: var(--accent);
  border-bottom: 1px solid var(--line);
}

.kn-card__body {
  padding: 1.15rem 1.25rem 1.2rem;
}

.kn-fields {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.kn-fields--grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.95rem;
}

@media (min-width: 520px) {
  .kn-fields--grid {
    grid-template-columns: 1fr 1fr;
  }
}

.kn-field--full {
  grid-column: 1 / -1;
}

.kn-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.kn-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.kn-input,
.kn-select {
  width: 100%;
  max-width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  font-size: 1rem;
  background: #fff;
}

.kn-hint {
  margin: 0.35rem 0 0;
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

.kn-hint--small {
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.kn-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  align-items: center;
}

.kn-radio {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.kn-faq {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.kn-faq h2 {
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
}

.kn-faq details {
  margin-bottom: 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  background: var(--paper);
}

.kn-faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
}

.kn-faq p {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.kn-kv {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0;
}

.kn-kv > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.45rem;
}

.kn-kv > div:last-child {
  border-bottom: none;
}

.kn-kv dt {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.kn-kv dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}

.kn-subline {
  display: block;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--ink-soft);
  margin-top: 0.2rem;
}

.kn-disclaimer {
  margin-top: 1.25rem;
  padding: 0.9rem 1rem;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.kn-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

@media print {
  .top,
  .nav,
  .menu-btn,
  .foot {
    break-inside: avoid;
  }
}