/* =====================================================================
   lab - werkzeuge/umrechner/app.css
   Einheiten-Rechner: links Eingabe und Rechenweg, rechts Tabelle und
   Hinweise. Konventionen (AGENTS.md §5):
     - Alle Klassen mit Prefix .lab_ (hier .lab_um_)
     - Keine harten Farben, nur Variablen aus css/colors.css
   ===================================================================== */

.lab_um_layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}

@media (min-width: 62rem) {
  .lab_um_layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 1fr);
    align-items: start;
  }
  .lab_um_tabelle_karte {
    position: sticky;
    top: 4.5rem;
  }
}

.lab_um_karte {
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 14px;
  padding: 1.25rem 1.3rem 1.3rem;
  box-shadow: var(--lab-shadow-1);
  min-width: 0;
}

.lab_um_karte > h2 {
  margin-top: 1.5rem;
  padding-top: 1.1rem;
  border-top: var(--lab-border);
  font-size: 1.15rem;
}

.lab_um_karte > h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

/* ---------- Eingabe ---------- */
.lab_um_feld {
  display: grid;
  gap: 0.3rem;
  min-width: 0;
  margin-bottom: 0.9rem;
}

.lab_um_feld > label {
  font-weight: 600;
  font-size: 0.95rem;
}

.lab_um_feld .lab_hinweis {
  margin: 0;
}

.lab_um_einheiten {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.7rem;
  align-items: end;
  margin-bottom: 0.9rem;
}

@media (max-width: 26rem) {
  .lab_um_einheiten {
    grid-template-columns: 1fr;
  }
  .lab_um_wechseln {
    justify-self: center;
    transform: rotate(90deg);
  }
}

.lab_um_wechseln {
  margin-bottom: 0.1rem;
}

/* ---------- Ergebnis ---------- */
.lab_um_ergebnis_zeile {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 0.2rem 0 0.4rem;
}

.lab_um_ergebnis {
  display: block;
  flex: 1 1 auto;
  font-family: var(--lab-mono);
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  font-weight: 700;
  word-break: break-word;
  background: var(--div-color);
  border: var(--lab-border);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  min-height: 3rem;
}

.lab_um_meldung {
  margin: 0 0 0.4rem;
}

.lab_um_meldung:empty {
  display: none;
}

/* ---------- Rechenweg ---------- */
.lab_um_schritte {
  margin: 0 0 0.85rem;
  padding-left: 1.4rem;
}

.lab_um_schritte li {
  margin-bottom: 0.4rem;
  font-family: var(--lab-mono);
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

/* ---------- Tabelle aller Einheiten ---------- */
.lab_um_tabelle {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.lab_um_tabelle th,
.lab_um_tabelle td {
  text-align: left;
  padding: 0.45rem 0.5rem;
  border-bottom: var(--lab-border);
  vertical-align: top;
}

.lab_um_tabelle thead th {
  font-family: var(--lab-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--grey600-color);
}

.lab_um_tabelle tbody th {
  font-weight: 600;
}

.lab_um_tabelle .lab_um_wert {
  font-family: var(--lab-mono);
  font-weight: 700;
  white-space: nowrap;
}

.lab_um_tabelle tr.is_gewaehlt {
  background: var(--green50-color);
}

.lab_um_tabelle tr.is_gewaehlt th,
.lab_um_tabelle tr.is_gewaehlt td {
  color: var(--blk-color);
}

.lab_um_hinweise {
  margin: 0;
  padding-left: 1.2rem;
}

.lab_um_hinweise li {
  margin-bottom: 0.35rem;
}

/* ---------- Kleine Schirme ---------- */
@media (max-width: 30rem) {
  .lab_um_karte {
    padding: 1rem 1rem 1.1rem;
  }
}