:root {
  --bgc-brand: #009881;
  --bgc-danger: #b00020;
  --bgc-success: #2e7d32;
  --bgc-border: #d5dcd9;
  --bgc-bg: #ffffff;
  --bgc-text: #1c1c1c;
  --bgc-card: #ffffff;
}

.bgc-app {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--bgc-bg);
  color: var(--bgc-text);
  padding: 1.5rem 0;
}

/* Schützt Typo vor Theme-Overrides */
.bgc-app * {
  font-family: inherit !important;
  box-sizing: border-box;
}

.bgc-container {
  max-width: 1100px;
  margin: 1.5rem auto;
  padding: 1.8rem 1.4rem;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--bgc-border);
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.05);
}

@media (max-width: 900px) {
  .bgc-container { grid-template-columns: 1fr; }
}

.bgc-title {
  margin-top: 0;
  font-size: 1.9rem;
  color: var(--bgc-brand);
  text-align: left;
  margin-bottom: 0.6rem;
}

.bgc-info-block {
  background: #e9f5f2;
  border-left: 4px solid var(--bgc-brand);
  padding: 10px 14px;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
  border-radius: 8px;
}

.bgc-app fieldset {
  background: var(--bgc-card);
  border-radius: 10px;
  border: 1px solid var(--bgc-border);
  padding: 1rem 1.2rem 1.4rem;
  margin-bottom: 1rem;
}

.bgc-app legend {
  padding: 0 .4rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--bgc-brand);
}

.bgc-app label {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
}

.bgc-app input,
.bgc-app select {
  width: 100%;
  padding: .6rem .7rem;
  margin-bottom: .8rem;
  border-radius: 6px;
  border: 1px solid var(--bgc-border);
  font-size: 1rem;
}

.bgc-app input:focus,
.bgc-app select:focus {
  outline: none;
  border-color: var(--bgc-brand);
  box-shadow: 0 0 0 2px rgba(0,152,129,0.15);
}

.bgc-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 1rem;
  align-items: start;
  margin-bottom: .6rem;
}

.bgc-section-info {
  background: #e9f5f2;
  border: 1px solid #cde6df;
  color: #0d4e44;
  border-radius: 10px;
  padding: 1rem 1.1rem;
  font-size: .95rem;
  line-height: 1.5;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.6);
}

.bgc-section-info strong {
  display: block;
  margin-bottom: .25rem;
}

@media (max-width: 800px) {
  .bgc-section { grid-template-columns: 1fr; }
}

.bgc-radio-group {
  display: flex;
  gap: 1.5rem;
  margin-bottom: .6rem;
}

.bgc-radio-group label { font-weight: 400; }

.bgc-child-row {
  display: grid;
  grid-template-columns: 1fr .7fr auto;
  gap: .6rem;
  align-items: center;
  margin-bottom: .4rem;
}

.bgc-remove-child {
  background: var(--bgc-danger);
  color: white;
  border: none;
  padding: .45rem .7rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

.bgc-remove-child:hover { background: #8a0019; }

#add-child,
#add-earner {
  background: var(--bgc-brand);
  color: white;
  border: none;
  padding: .65rem 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  margin-top: .4rem;
}

#add-child:hover,
#add-earner:hover { background: #007a67; }

.bgc-erwerb-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: .6rem;
  align-items: end;
  margin-bottom: .6rem;
}

.bgc-remove-earner {
  background: var(--bgc-danger);
  color: white;
  border: none;
  padding: .5rem .75rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  height: 42px;
  align-self: center;
}

.bgc-remove-earner:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bgc-remove-earner:hover:not(:disabled) { background: #8a0019; }

.bgc-result-box {
  background: var(--bgc-card);
  border: 1px solid var(--bgc-border);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  align-self: start;
}

.bgc-result-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.bgc-result-card {
  background: var(--bgc-bg);
  border: 1px solid var(--bgc-border);
  padding: .8rem 1rem;
  border-radius: 10px;
}

.bgc-result-card strong {
  display: block;
  margin-bottom: .3rem;
}

.bgc-result-amount {
  font-size: 1.4rem;
  font-weight: 700;
}

.bgc-ok { color: var(--bgc-success); }
.bgc-zero { color: var(--bgc-danger); }

.bgc-details {
  margin-top: 1rem;
  line-height: 1.55;
  font-size: .95rem;
}

.bgc-cta-wrap {
  margin-top: 1.4rem;
  text-align: center;
}

.bgc-cta-link {
  display: inline-block;
  padding: .75rem 1.4rem;
  background: var(--bgc-brand);
  color: white;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(0, 152, 129, 0.18);
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease;
}

.bgc-cta-link:hover {
  background: #007a67;
  box-shadow: 0 12px 24px rgba(0, 122, 103, 0.22);
  transform: translateY(-1px);
}

.bgc-cta-link:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px rgba(0, 122, 103, 0.18);
}