.chain-rail{position:relative;padding-left:var(--space-28)}.chain-rail:before{content:"";position:absolute;left:.4rem;top:.5rem;bottom:.5rem;width:1px;background:var(--line-faint)}.chain-cell{position:relative;margin-bottom:var(--space-8)}.chain-rail-node{position:absolute;left:-1.35rem;top:1.1rem;width:9px;height:9px;border-radius:50%;background:var(--paper);border:2px solid var(--line-strong);z-index:1;transition:border-color .2s var(--ease),background .2s var(--ease)}.chain-cell:last-child .chain-rail-node{border-color:var(--signal);background:var(--signal-dim)}.chain-cell-main{position:relative;padding:var(--space-16) var(--space-20);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden;transition:border-color .2s var(--ease),background .2s var(--ease)}.chain-cell-main:before{inset:0;background:radial-gradient(ellipse 80% 60% at 30% 0,var(--signal-dim),transparent 70%);opacity:.25;z-index:0;transition:opacity .25s var(--ease-out)}.chain-cell-main:after,.chain-cell-main:before{content:"";position:absolute;pointer-events:none}.chain-cell-main:after{top:0;left:0;width:100%;height:2px;background:var(--signal);transform:translateX(-100%);z-index:2;transition:transform .4s var(--ease-out)}.chain-cell-main>*{position:relative;z-index:1}.chain-cell:hover .chain-cell-main{border-color:var(--line-strong);background:var(--surface-raised)}.chain-cell:hover .chain-cell-main:before{opacity:.45}.chain-cell:hover .chain-cell-main:after{transform:translateX(100%)}.chain-cell:hover .chain-rail-node{border-color:var(--signal-light);background:var(--signal-dim)}.chain-cell-header{display:flex;align-items:center;gap:var(--space-12);margin-bottom:var(--space-8)}.chain-cell-num{font-size:.75rem;font-weight:700;color:var(--signal);letter-spacing:.05em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;flex-shrink:0;transition:color .2s var(--ease)}.chain-cell:hover .chain-cell-num{color:var(--signal-light)}.chain-cell-title{font-size:1.05rem;font-weight:700;color:var(--ink);flex:1 1;min-width:0}.chain-cell-meter{display:flex;align-items:center;gap:var(--space-8);flex-shrink:0}.chain-cell-meter-bar{width:80px;height:6px;border-radius:3px;background:var(--line);overflow:hidden;transition:height .2s var(--ease-out)}.chain-cell:hover .chain-cell-meter-bar{height:8px}.chain-cell-meter-fill{display:block;height:100%;border-radius:3px;background:var(--signal);box-shadow:0 0 6px var(--signal-dim);transition:width .4s var(--ease-out),background .2s var(--ease)}.chain-cell:hover .chain-cell-meter-fill{background:var(--signal-light)}.chain-cell-meter-label{font-size:.68rem;font-weight:600;color:var(--muted-dim);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;min-width:1rem;text-align:right}.chain-cell-definition{font-size:.88rem;color:var(--muted);line-height:1.55;margin-bottom:var(--space-fine-65)}.chain-cell-examples{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-fine-30)}.chain-cell-examples li{font-size:.8rem;color:var(--muted-dim);line-height:1.45;padding-left:var(--space-16);position:relative}.chain-cell-examples li:before{content:"·";position:absolute;left:.35rem;color:var(--signal);font-weight:700}.chain-cell-badge{display:inline-flex;align-items:center;margin-top:var(--space-fine-65);padding:var(--space-fine-20) var(--space-fine-55);font-size:.62rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--signal-light);background:var(--signal-dim);border:1px solid color-mix(in srgb,var(--signal) 15%,transparent);border-radius:3px}@media (max-width:720px){.chain-cell-header{flex-wrap:wrap}.chain-cell-meter{width:100%;margin-top:var(--space-fine-35)}.chain-cell-meter-bar{flex:1 1;width:auto}}@media (prefers-reduced-motion:reduce){.chain-cell-main:after,.chain-cell-main:before{display:none}.chain-cell-meter-fill{transition:none}.chain-cell:hover .chain-cell-meter-bar{height:6px}}