.pi-calculators{margin:2rem 0;display:grid;gap:1.25rem}.pi-calculators-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,310px),1fr));gap:1rem;align-items:stretch}.pi-calc{background:#f5f8f7;border:1px solid #cddad6;border-radius:14px;padding:1.25rem;color:#1c2931;min-width:0}.pi-calc [hidden]{display:none!important}.pi-calc h3{margin:0 0 .5rem;font-size:1.24rem}.pi-calc p{margin:.6rem 0}.pi-calc fieldset{border:0;margin:0;padding:0;min-width:0}.pi-calc fieldset:disabled{opacity:.72}.pi-calc-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}.pi-calc-fields label{display:block;font-size:.85rem;font-weight:650;margin-bottom:.25rem}.pi-calc-fields input{width:100%;box-sizing:border-box;min-width:0;padding:.55rem .65rem;border:1px solid #7e9b94;border-radius:7px;background:white;color:#1c2931;font:inherit}.pi-calc-fields input:focus-visible{outline:3px solid #176a62;outline-offset:2px}.pi-calc-results{margin-top:1rem;display:grid;gap:.55rem}.pi-calc-result{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.3rem .8rem;background:#fff;border:1px solid #dae3e0;border-radius:8px;padding:.65rem .7rem}.pi-calc-result span{font-size:.85rem}.pi-calc-result output{font-weight:750;overflow-wrap:anywhere}.pi-calc-error{padding:.6rem;border-inline-start:3px solid #a42d2d;background:#fff1f0}.pi-calc-note{font-size:.88rem;color:#3b4b49}.pi-calc-link{font-weight:650}.pi-calcs-intro{max-width:65ch}.pi-tool-nav{display:flex;flex-wrap:wrap;gap:.55rem}.pi-tool-nav a{border:1px solid #9eb9b1;border-radius:999px;padding:.35rem .75rem}@media(max-width:370px){.pi-calc-fields{grid-template-columns:1fr}}@media(prefers-reduced-motion:no-preference){.pi-calc{transition:border-color .15s}.pi-calc:focus-within{border-color:#176a62}}