.pbt-tool { margin-top:1.5rem; }
.pbt-desktop { border:1px solid var(--line); border-radius:10px; padding:12px; margin:1rem 0; }
.pbt-desktop label { display:inline-flex; gap:6px; align-items:center; min-height:44px; margin-right:14px; }
.pbt-table { table-layout:fixed; }
.pbt-table caption { text-align:left; font-weight:600; padding:10px 0; }
.pbt-table p { margin:0 0 .6rem; }
.pbt-table th:first-child { width:18%; }
.pbt-source { font-size:.9rem; }
.pbt-mobile { display:none; }
.pbt-calculators { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.pbt-calc { border:1px solid var(--line); border-radius:12px; padding:14px; }
.pbt-calc h3 { margin-top:0; }
.pbt-calc button { margin-top:12px; }
.pbt-result { background:var(--soft); padding:10px; border-radius:8px; min-height:5rem; }
.pbt-calc [aria-invalid=true] { border-color:#a32020; }
@media(max-width:600px) {
  .pbt-desktop { display:none; }
  .pbt-mobile { display:flex; flex-wrap:wrap; gap:6px; margin:1rem 0; }
  .pbt-tab { padding:0 12px; }
  .pbt-tab[aria-pressed=true] { color:white; background:var(--brand); }
  .pbt-table th:first-child { width:28%; }
  .pbt-calculators { grid-template-columns:minmax(0,1fr); }
}