.bs-calc {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 20px;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  background: #ffffff;
  margin: 24px 0;
}

.bs-calc label {
  display: flex;
  flex-direction: column;
  font-size: 0.95rem;
  gap: 6px;
  color: #374151;
}

.bs-calc .bs-inline {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.bs-calc input,
.bs-calc select {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 1rem;
  background: #ffffff;
}

.bs-calc input:focus,
.bs-calc select:focus {
  outline: 2px solid rgba(29, 107, 171, 0.25);
  border-color: #1d6bab;
}

.bs-calc .bs-input-invalid {
  border-color: #d14343 !important;
  background: #fff5f5;
}

.bs-calc button {
  align-self: end;
  background: #1d6bab;
  color: #ffffff;
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  cursor: pointer;
  font-weight: 600;
}

.bs-calc button:hover {
  background: #61a934;
}

.bs-calc-message {
  grid-column: 1 / -1;
  font-size: 0.92rem;
  padding: 0;
  color: #334155;
}

.bs-calc-message.is-error,
.bs-calc-message.is-ok,
.bs-calc-message.is-warn {
  border-radius: 10px;
  padding: 9px 12px;
  border: 1px solid transparent;
}

.bs-calc-message.is-error {
  background: #fff1f1;
  color: #991b1b;
  border-color: #fecaca;
}

.bs-calc-message.is-ok {
  background: #effaf2;
  color: #166534;
  border-color: #bbf7d0;
}

.bs-calc-message.is-warn {
  background: #fffbeb;
  color: #92400e;
  border-color: #fde68a;
}

.bs-calc-results {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
  background: #f8fafc;
  border-radius: 12px;
  padding: 12px 16px;
  color: #111827;
  border: 1px solid #e5e7eb;
}

.bs-calc-disclaimer {
  grid-column: 1 / -1;
  font-size: 0.85rem;
  color: #6b7280;
}

.bs-calc-explain {
  grid-column: 1 / -1;
  border: 1px solid #dbeafe;
  background: #f3f8ff;
  border-radius: 12px;
  padding: 12px 16px;
  color: #1e3a5f;
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}