.practical-section{border-top:2px solid #648bf3;margin-top:2.5rem;padding-top:1rem}.calculator{padding:1.4rem;background:#131c2d;border:1px solid #536b96;border-radius:12px;margin:1.5rem 0}.calculator h3{margin-top:0}.calc-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.calculator label{display:block;font-size:1rem;font-weight:600}.calculator input{display:block;width:100%;min-width:0;padding:.65rem;margin:.4rem 0;background:#0c1018;color:#f0f3fa;border:1px solid #8293b2;border-radius:5px;font:inherit;box-sizing:border-box}.calculator button{background:#315ad8;color:#fff;font:inherit;border:1px solid #96b2ff;padding:.7rem 1.2rem;border-radius:6px;cursor:pointer;margin:1rem 0}.calculator output{display:block;min-height:3rem;font-weight:600}.calculator :focus-visible{outline:3px solid #b4cdff;outline-offset:3px}.table-scroll{overflow-x:auto;max-width:100%;margin:1.5rem 0}.table-scroll table{margin:0;min-width:460px}.table-scroll:focus-visible{outline:3px solid #b4cdff}.prose caption{text-align:left;font-size:.95rem;color:#bcc8df;margin-bottom:.6rem}.practical-link{display:inline-block;padding:.6rem 0}.update-note{font-size:.9rem;color:#b7c5df}.article-layout>*{min-width:0}@media print{.calculator button,.calculator input,.calculator label{display:none}.calculator{break-inside:avoid}.table-scroll{overflow:visible}.table-scroll table{min-width:0}}