.bc-rail{background:color-mix(in oklab,var(--fp-surface-3) 72%,#000);border:1px solid var(--fp-hairline);border-radius:999px;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;height:32px;padding:2px;display:grid}.bc-rail-tab{letter-spacing:.14em;text-transform:uppercase;height:26px;color:var(--fp-text-mute);cursor:pointer;background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;gap:6px;font-size:10px;font-weight:700;transition:color .18s,background .18s,border-color .18s;display:inline-flex}.bc-rail-tab[data-active=true]{color:var(--fp-text);background:color-mix(in oklab,var(--fp-lime) 18%,var(--fp-surface-2));border:1px solid color-mix(in oklab,var(--fp-lime) 42%,transparent)}.bc-rail-tab[aria-disabled=true]{opacity:.45;cursor:not-allowed}.bc-rail-idx{background:color-mix(in oklab,var(--fp-lime) 22%,transparent);width:16px;height:16px;color:var(--fp-text-strong,#fff);border-radius:999px;place-items:center;font-size:9.5px;font-weight:800;display:inline-grid}.bc-figure{justify-content:center;padding:4px 0 2px;display:flex}.bc-figure-stage{isolation:isolate;width:200px;height:320px;position:relative}.bc-figure-stage:before{content:"";background:radial-gradient(circle at 50% 42%,color-mix(in oklab,var(--fp-lime) 22%,transparent) 0%,transparent 62%);z-index:-1;pointer-events:none;border-radius:50%;position:absolute;inset:-8% -20%}.bc-figure-img{object-fit:contain;filter:drop-shadow(0 10px 24px #0000008c)drop-shadow(0 0 22px #a78bfa47);-webkit-user-select:none;user-select:none;-webkit-user-drag:none;width:100%;height:100%}.bc-marker{pointer-events:none;align-items:center;height:1px;display:flex;position:absolute;left:0;right:0}.bc-marker[data-side=right]{justify-content:flex-end;padding-right:4px}.bc-marker[data-side=left]{flex-direction:row-reverse;justify-content:flex-start;padding-left:4px}.bc-marker-line{background:linear-gradient(to right,transparent 0%,color-mix(in oklab,var(--fp-lime) 38%,transparent) 30%,color-mix(in oklab,var(--fp-lime) 68%,transparent) 100%);opacity:.75;flex:1;height:1px;transition:background .2s,opacity .2s}.bc-marker[data-side=left] .bc-marker-line{background:linear-gradient(to left,transparent 0%,color-mix(in oklab,var(--fp-lime) 38%,transparent) 30%,color-mix(in oklab,var(--fp-lime) 68%,transparent) 100%)}.bc-marker-dot{background:color-mix(in oklab,var(--fp-lime) 80%,#fff);width:6px;height:6px;box-shadow:0 0 8px color-mix(in oklab,var(--fp-lime) 70%,transparent);border-radius:999px;margin:0 6px;transition:transform .2s,box-shadow .2s}.bc-marker-label{letter-spacing:.14em;color:color-mix(in oklab,var(--fp-text-mute) 92%,#fff);text-transform:uppercase;white-space:nowrap;font-size:11px;font-weight:800;transition:color .2s,text-shadow .2s}.bc-marker[data-active=true] .bc-marker-line{opacity:1;background:linear-gradient(to right,transparent 0%,color-mix(in oklab,var(--fp-lime) 60%,transparent) 20%,var(--fp-lime) 100%)}.bc-marker[data-active=true][data-side=left] .bc-marker-line{background:linear-gradient(to left,transparent 0%,color-mix(in oklab,var(--fp-lime) 60%,transparent) 20%,var(--fp-lime) 100%)}.bc-marker[data-active=true] .bc-marker-dot{box-shadow:0 0 14px var(--fp-lime);transform:scale(1.35)}.bc-marker[data-active=true] .bc-marker-label{color:var(--fp-text-strong,#fff);text-shadow:0 0 10px color-mix(in oklab,var(--fp-lime) 55%,transparent)}.bc-fields{gap:var(--sp-3);grid-template-columns:1fr;display:grid}.bc-err{color:#ff8090;margin-top:var(--sp-1);font-size:11px;font-weight:600}.bc-tips{border:1px solid var(--fp-hairline);border-radius:var(--r-row);background:var(--fp-surface-2);overflow:hidden}.bc-tips-summary{cursor:pointer;color:var(--fp-text);align-items:center;gap:8px;padding:10px 12px;font-size:12px;font-weight:700;list-style:none;display:flex}.bc-tips-summary::-webkit-details-marker{display:none}.bc-tips-chev{transition:transform .2s}.bc-tips[open] .bc-tips-chev{transform:rotate(180deg)}.bc-tips-body{color:var(--fp-text-dim);margin:0;padding:0 14px 12px 30px;font-size:12px;line-height:1.45;list-style:outside}.bc-tips-body li+li{margin-top:4px}.bc-result{align-items:stretch;gap:var(--sp-4);flex-direction:column;display:flex;position:relative}.bc-orbit{isolation:isolate;width:200px;height:200px;margin:4px auto 0;animation:.52s cubic-bezier(.22,1,.36,1) both bc-enter;position:relative}.bc-orbit:before{content:"";background:radial-gradient(circle at 50% 50%,color-mix(in oklab,var(--fp-lime) 22%,transparent),transparent 62%);z-index:-1;pointer-events:none;border-radius:999px;position:absolute;inset:-12%}.bc-orbit-ring{border:1px solid color-mix(in oklab,var(--fp-lime) 22%,transparent);border-radius:999px;position:absolute;inset:0}.bc-orbit-ring-2{border-color:color-mix(in oklab,var(--fp-lime) 32%,transparent);inset:14%}.bc-orbit-ring-3{border-color:color-mix(in oklab,var(--fp-lime) 48%,transparent);inset:28%}.bc-orbit-core{background:radial-gradient(circle,color-mix(in oklab,var(--fp-lime) 65%,#fff) 0%,color-mix(in oklab,var(--fp-lime) 40%,transparent) 60%,transparent 100%);border-radius:999px;position:absolute;inset:40%}@keyframes bc-enter{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@media(prefers-reduced-motion:reduce){.bc-orbit,.bc-orbit-ring,.bc-orbit-core{animation:none!important}}.bc-result-center{text-align:center;pointer-events:none;place-items:center;height:200px;display:grid;position:absolute;top:4px;left:0;right:0}.bc-result-value{letter-spacing:-.02em;color:var(--fp-text-strong,#fff);text-shadow:0 0 24px color-mix(in oklab,var(--fp-lime) 45%,transparent);margin-top:2px;font-size:44px;font-weight:900;line-height:1}.bc-result-unit{color:color-mix(in oklab,var(--fp-lime) 88%,#fff);margin-inline-start:2px;font-size:18px;font-weight:700}.bc-note{border:1px solid var(--fp-hairline);background:var(--fp-surface-2);border-radius:var(--r-row);padding:10px 12px}.bc-note-title{letter-spacing:.16em;text-transform:uppercase;color:color-mix(in oklab,var(--fp-lime) 92%,#fff);margin:0 0 4px;font-size:10.5px;font-weight:800}.bc-note-body{color:var(--fp-text-dim);margin:0;font-size:12.5px;line-height:1.45}.bc-start-over{letter-spacing:.12em;text-transform:uppercase;color:var(--fp-text-mute);cursor:pointer;text-underline-offset:3px;background:0 0;border:0;padding:6px 10px;font-size:11px;font-weight:700;text-decoration:underline}.bc-start-over:hover{color:var(--fp-text)}