.calc-page {
  max-width: 1100px;
  margin: 56px auto;
  padding: 0 16px;
  text-align: center;
}
.calc-page h1 {
  font-size: clamp(26px, 4vw, 44px);
  margin-bottom: 18px;
  text-shadow: 0 0 18px rgba(139, 92, 246, .4);
}
.calc-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}
.calc-card {
  padding: 16px;
  border-radius: 16px;
  background: #0f0f13;
  border: 1px solid rgba(139, 92, 246, .25);
  box-shadow: 0 0 18px rgba(139, 92, 246, .18);
}
.calc-card label {
  display: block;
  text-align: left;
  margin-bottom: 8px;
  color: #dcdcf8;
}
.calc-card select {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(139, 92, 246, .25);
  background: #0b0b10;
  color: #efeff5;
  outline: none;
}
.calc-card select:hover { border-color: rgba(139, 92, 246, .45); }
.teil-extras {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-top: 12px;
}
.teil-extras label {
  display: flex;
  gap: 8px;
  align-items: center;
  background: #0b0b10;
  border: 1px solid rgba(139, 92, 246, .25);
  padding: 8px 10px;
  border-radius: 10px;
}
.total-card {
  grid-column: 1 / -1;
  display: grid;
  gap: 10px;
}
.total-label { opacity: .85; }
.total-value {
  font-size: clamp(26px, 5vw, 48px);
  font-weight: 700;
  text-shadow: 0 0 22px rgba(139, 92, 246, .4);
}
.actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 6px;
}
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  border: 1px solid rgba(139, 92, 246, .35);
}
.btn-primary {
  color: #fff;
  background: rgba(139, 92, 246, .35);
  box-shadow: 0 0 18px rgba(139, 92, 246, .35);
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary {
  color: #fff;
  background: rgba(139, 92, 246, .18);
}
.btn-secondary:hover { filter: brightness(1.05); }