/* Bone Flow #046 SplitButton HTML Functional Class Guide v1.0.3 */
.bfhc-overlay{position:fixed;inset:0;z-index:99999;background:rgba(2,6,23,.82);display:flex;align-items:stretch;justify-content:center;padding:28px}.bfhc-overlay[hidden]{display:none}.bfhc-dialog{width:min(1460px,100%);height:100%;background:#0f172a;border:1px solid #334155;border-radius:16px;display:grid;grid-template-rows:auto 1fr auto;overflow:hidden;color:#e5e7eb}.bfhc-header{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 20px;border-bottom:1px solid #334155;background:#111827}.bfhc-header h2{margin:0;font-size:22px}.bfhc-header p{margin:4px 0 0;color:#94a3b8}.bfhc-close{font-size:24px}.bfhc-layout{min-height:0;display:grid;grid-template-columns:330px 1fr}.bfhc-nav{min-height:0;overflow:auto;border-right:1px solid #334155;padding:14px;background:#0b1220}.bfhc-nav input{width:100%;margin-bottom:10px}.bfhc-nav button{width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:3px;margin:0 0 6px;padding:9px 10px;text-align:left;background:#111827;border:1px solid #263348;color:#dbeafe;border-radius:8px}.bfhc-nav button.is-active{border-color:#60a5fa;background:#172554}.bfhc-nav code{color:#7dd3fc;font-size:12px}.bfhc-content{min-height:0;overflow:auto;padding:22px}.bfhc-content h3{margin-top:0}.bfhc-pane[hidden]{display:none}.bfhc-table{width:100%;border-collapse:collapse;margin:12px 0}.bfhc-table th,.bfhc-table td{border:1px solid #334155;padding:9px 10px;text-align:left;vertical-align:top}.bfhc-table th{width:190px;background:#111827;color:#cbd5e1}.bfhc-code{white-space:pre-wrap;background:#020617;border:1px solid #334155;border-radius:10px;padding:12px;color:#bfdbfe;overflow:auto}.bfhc-run{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.bfhc-run textarea{min-height:120px}.bfhc-result{min-height:120px;white-space:pre-wrap;background:#020617;border:1px solid #334155;border-radius:10px;padding:12px}.bfhc-footer{display:flex;justify-content:space-between;gap:16px;padding:12px 18px;border-top:1px solid #334155;color:#94a3b8}.bfhc-contract{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}.bfhc-contract article{border:1px solid #334155;border-radius:10px;padding:10px;background:#111827}.bfhc-contract code{color:#7dd3fc}.bfhc-live-host{min-height:56px;border:1px dashed #475569;border-radius:8px;padding:10px;margin-top:10px}@media(max-width:900px){.bfhc-layout{grid-template-columns:1fr}.bfhc-nav{max-height:240px;border-right:0;border-bottom:1px solid #334155}.bfhc-run{grid-template-columns:1fr}.bfhc-overlay{padding:8px}}