.viz-chain{border:1px solid var(--color-border);background:var(--color-surface);border-radius:4px;margin:1.5rem 0;padding:1.25rem 1.5rem}.viz-chain__hint{color:var(--color-text-muted);margin:0 0 1rem;font-size:.85rem}.viz-chain__list{flex-direction:column;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.viz-chain__item{border:1px solid var(--color-border);border-left:3px solid var(--color-secondary);background:var(--color-surface-2);border-radius:0 2px 2px 0;align-items:center;gap:.75rem;padding:.6rem .75rem;display:flex}.viz-chain__item--ok{border-left-color:var(--color-accent)}.viz-chain__rank{border:1px solid var(--color-border);width:1.5rem;height:1.5rem;font-family:var(--font-mono);color:var(--color-primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.72rem;display:inline-flex}.viz-chain__body{flex-direction:column;flex:1;gap:.15rem;display:flex}.viz-chain__title{font-family:var(--font-mono);color:var(--color-text);font-size:.85rem}.viz-chain__sub{color:var(--color-text-faint);font-size:.76rem}.viz-chain__btns{gap:.25rem;display:flex}.viz-chain__btn{border:1px solid var(--color-border);background:var(--color-surface);width:1.6rem;height:1.6rem;color:var(--color-text-muted);cursor:pointer;border-radius:2px;justify-content:center;align-items:center;display:inline-flex}.viz-chain__btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.viz-chain__controls{margin-top:1rem}.viz-chain__feedback{border-radius:2px;margin-top:.875rem;padding:.6rem .8rem;font-size:.85rem;display:none}.viz-chain__feedback--show{display:block}.viz-chain__feedback--ok{color:var(--color-accent);background:#39d35314}.viz-chain__feedback--no{color:var(--color-text-muted);background:#ff475714}