.wbtc-wrap{border:1px solid #e5e7eb;padding:1rem;border-radius:0.75rem;max-width:900px}
.wbtc-tabs{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}
.wbtc-tab{border:1px solid #d1d5db;background:#f9fafb;border-radius:.5rem;padding:.5rem .75rem;cursor:pointer}
.wbtc-tab.is-active{background:#fff;border-color:#9ca3af;box-shadow:0 1px 2px rgba(0,0,0,0.04)}
.wbtc-panel{display:none}
.wbtc-panel.is-active{display:block}
.wbtc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.75rem;margin:.5rem 0}
.wbtc-actions{display:flex;gap:.5rem;margin-top:.5rem}
.wbtc-btn{background:#111827;color:#fff;border:none;border-radius:.5rem;padding:.5rem .9rem;cursor:pointer}
.wbtc-btn.ghost{background:#fff;color:#111827;border:1px solid #d1d5db}
.wbtc-result{margin-top:.75rem;padding:.5rem .75rem;background:#f3f4f6;border:1px solid #e5e7eb;border-radius:.5rem;font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}
.wbtc-wrap label span{display:block;font-size:.9rem;color:#374151;margin-bottom:.25rem}
.wbtc-wrap input, .wbtc-wrap select{width:100%;padding:.45rem .5rem;border:1px solid #d1d5db;border-radius:.5rem;background:#fff}