/* Tool 08 - Einheiten Rechner */
#tool-einheiten {
  --fc-bg: var(--pink-soft);
}

#feature-08-container {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(24px, 4vw, 48px);
}

.fc-header {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}

.fc-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--plum);
  margin-top: 4px;
}

.fc-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
}

.fc-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.cat-btn {
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: 0.2s;
  color: var(--ink);
}

.cat-btn.active {
  background: var(--plum);
  color: white;
  border-color: var(--plum);
}

.cat-btn:hover {
  border-color: var(--plum);
}

.fc-input-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

@media (max-width: 500px) {
  .fc-input-row {
    grid-template-columns: 1fr;
  }

  .fc-swap-container {
    display: flex;
    justify-content: center;
    margin: 10px 0;
  }
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--ink-soft);
}

select,
input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.val-input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  text-align: center;
  margin-bottom: 24px;
}

.swap-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.swap-btn {
  background: #fff;
  border: 1px solid var(--line);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--ink-soft);
  transition: all 0.2s ease;
}

.swap-btn:hover {
  background: var(--plum);
  color: white;
  border-color: var(--plum);
  transform: rotate(180deg);
}

.swap-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

.result-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.res-main {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--plum);
  margin-bottom: 5px;
  line-height: 1.1;
}

.res-unit {
  font-size: 0.9rem;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.res-extras {
  margin-top: 20px;
  border-top: 1px dashed var(--line);
  padding-top: 15px;
}

.res-extras-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.extras-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.extra-item {
  background: rgba(255,255,255,0.6);
  padding: 10px;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.02);
}

.extra-val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink);
}

.extra-lbl {
  font-size: 0.7rem;
  color: var(--ink-soft);
}

.status-bar {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: 15px;
  text-align: center;
  min-height: 1.2em;
}