.field-panel { background: var(--bs-tertiary-bg); border: 1px solid var(--bs-border-color); border-radius: .75rem; padding: 1rem; }
.result-note { border-top: 1px solid #cfe2ff; }
.density-note { min-height: 1.5rem; }
@media (max-width: 575.98px) { .calculator-card .input-group { flex-wrap: wrap; } .calculator-card .input-group > .form-control, .calculator-card .input-group > .form-select { border-radius: var(--bs-border-radius) !important; flex: 1 0 100%; width: 100%; } }