.bc-tool{min-height:0}.bc-grid{grid-template-columns:minmax(0,1fr) minmax(0,2fr) minmax(0,1fr) minmax(0,1fr)}.bc-grid .tool-in{font-variant-numeric:tabular-nums}.bc-field-value .tool-in{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.3px}.bc-hint{margin:12px 0 0;font-size:.84rem;color:var(--muted);line-height:1.6}.bc-ladder-wrap{margin-top:4px}.bc-ladder-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px}.bc-ladder-head h2{font-size:.78rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.bc-ladder-sub{font-size:.82rem;color:var(--muted)}.bc-ladder{list-style:none;margin:0;padding:0;border:1px solid var(--border);border-radius:var(--r-md);background:var(--card);overflow:hidden}.bc-ladder[hidden]{display:none}.bc-rung{display:flex;align-items:center;gap:16px;padding:12px 18px;border-bottom:1px solid var(--border);position:relative}.bc-rung:last-child{border-bottom:none}.bc-rung:nth-child(2n){background:var(--bg-soft)}.bc-rung.is-lead{background:var(--tint-purple);padding-block:18px}.bc-rung.is-lead::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary-grad)}.bc-rung-label{flex:0 0 170px;font-size:.72rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--muted);line-height:1.4}.bc-rung.is-lead .bc-rung-label{color:var(--primary-dark)}[data-theme=dark] .bc-rung.is-lead .bc-rung-label{color:var(--primary-light)}.bc-rung-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:2px}.bc-rung-value{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1rem;font-weight:600;color:var(--heading);word-break:break-all;line-height:1.45}.bc-rung[data-rung=length] .bc-rung-value,.bc-rung[data-rung=range] .bc-rung-value,.bc-rung[data-rung=size] .bc-rung-value,.bc-rung[data-rung=text] .bc-rung-value{font-family:inherit;word-break:break-word}.bc-rung.is-lead .bc-rung-value{font-size:clamp(1.25rem, 3.4vw, 1.75rem);font-weight:700;letter-spacing:.6px}.bc-rung-note{font-size:.78rem;color:var(--muted);line-height:1.45}.bc-copy{flex:0 0 auto;padding:6px 13px;border-radius:var(--r-pill);border:1px solid var(--border-strong);background:var(--card);color:var(--muted);font-family:inherit;font-size:.76rem;font-weight:600;cursor:pointer;transition:color var(--transition),border-color var(--transition)}.bc-copy:hover{color:var(--primary);border-color:var(--primary)}.bc-msg{margin:0 0 10px;padding:16px 18px;border:1px dashed var(--border-strong);border-radius:var(--r-md);background:var(--bg-soft);color:var(--muted);font-size:.92rem}.bc-msg.is-bad{border-style:solid;border-color:#dc2626;color:#dc2626;background:var(--tint-red)}.bc-msg[hidden]{display:none}.bc-support{padding-block:clamp(30px,5vw,52px);background:var(--bg)}.bc-block+.bc-block{margin-top:clamp(26px,4vw,44px)}.bc-block-head h2{display:flex;align-items:center;gap:10px;font-size:clamp(1.15rem, 2.4vw, 1.4rem);font-weight:700;color:var(--heading)}.bc-block-head h2 .micon{width:22px;height:22px;color:var(--primary);flex:0 0 auto}.bc-block-head p{margin:8px 0 0;font-size:.94rem;color:var(--muted);line-height:1.65;max-width:70ch}.bc-block .example-chips{margin-top:14px}.bc-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:clamp(16px,2.6vw,24px);margin-top:16px}.bc-card .ref-table{margin-top:0}.bc-card .ref-table td:nth-child(2){font-variant-numeric:tabular-nums}.bc-scroll{overflow-x:auto}.bc-scroll .ref-table{min-width:620px}@media (max-width:991px){.bc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.bc-grid{grid-template-columns:minmax(0,1fr)}.bc-rung{flex-wrap:wrap;gap:4px 14px;padding:12px 14px}.bc-rung-label{flex:1 1 100%}.bc-copy{margin-left:auto}.bc-scroll .ref-table{min-width:520px}}