.cfg-wrap{display:grid;gap:1.5rem;margin-top:1.5rem}
@media(min-width:1024px){.cfg-wrap{grid-template-columns:1fr 22rem;align-items:start}}
.cfg-steps{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:1rem}
.cfg-step-tab{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;border:1px solid var(--color-line);border-radius:999px;padding:.2rem .7rem;color:var(--color-mute);background:none;cursor:pointer}
.cfg-step-tab.is-on{color:var(--color-ink);background:var(--color-copper);border-color:var(--color-copper)}
.cfg-step-tab.is-bad{border-color:var(--color-danger);color:var(--color-danger)}
.cfg-step-tab.is-ok:not(.is-on){color:var(--color-mint)}
.cfg-group{border:1px solid var(--color-line);border-radius:.5rem;background:var(--color-panel);padding:1.25rem}
.cfg-group h2{font-size:1.25rem;font-weight:700}
.cfg-rules{font-size:.72rem;color:var(--color-mute);text-transform:uppercase;letter-spacing:.08em;margin-top:.25rem}
.cfg-opts{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem}
.cfg-opt{display:grid;grid-template-columns:auto 1fr auto;gap:.75rem;align-items:center;border:1px solid var(--color-line);border-radius:.4rem;padding:.6rem .8rem;cursor:pointer}
.cfg-opt:hover{border-color:var(--color-copper)}
.cfg-opt.is-on{border-color:var(--color-copper);background:rgba(224,164,90,.07)}
.cfg-opt.is-blocked{opacity:.45}
.cfg-opt input[type=radio],.cfg-opt input[type=checkbox]{accent-color:var(--color-copper)}
.cfg-opt .cfg-mpn{font-family:ui-monospace,monospace;font-size:.72rem;color:var(--color-copper)}
.cfg-opt .cfg-why{font-size:.72rem;color:var(--color-danger)}
.cfg-qty{width:4.5rem}
.cfg-nav{display:flex;justify-content:space-between;margin-top:1rem}
.cfg-bom{position:sticky;top:5.5rem;border:1px solid var(--color-line);border-radius:.5rem;background:var(--color-ink-2);padding:1rem;font-size:.85rem}
.cfg-bom table{width:100%;border-collapse:collapse}
.cfg-bom td{padding:.3rem 0;border-top:1px solid var(--color-line);vertical-align:top}
.cfg-bom td.q{width:2.5rem;color:var(--color-copper)}
.cfg-bom .m{display:block;font-family:ui-monospace,monospace;font-size:.7rem;color:var(--color-mute)}
.cfg-err{color:var(--color-danger);font-size:.8rem;margin-top:.5rem}
.cfg-form{border:1px solid var(--color-line);border-radius:.5rem;background:var(--color-panel);padding:1.25rem;margin-top:1.5rem}
.cfg-grid2{display:grid;gap:.75rem}
@media(min-width:768px){.cfg-grid2{grid-template-columns:1fr 1fr}}