.number-fields { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr)); gap:1rem; }
.number-fields > * { min-width:0; }
.number-fields label { display:block; }
.number-fields input, .number-fields textarea, .number-fields select { width:100%; box-sizing:border-box; }
.number-fields textarea { min-height:7rem; resize:vertical; }
#number-result { display:block; font-size:1.2rem; font-weight:700; overflow-wrap:anywhere; }
#number-details, #number-formula { overflow-wrap:anywhere; }