.doubling-block{fill:var(--surface-soft);stroke:var(--role-keep);stroke-width:1.6px}.doubling-block[data-role=new]{fill:var(--accent-soft);stroke:var(--role-new);stroke-width:2.4px}.doubling-block[data-role=merged]{fill:var(--highlight);stroke:var(--role-keep);stroke-width:2.6px}.doubling-block[data-role=compare]{fill:var(--highlight);stroke:var(--role-result);stroke-width:3px}.doubling-block[data-role=next]{fill:var(--diagram-third-soft);stroke:var(--role-other)}.doubling-block[data-role=missing]{fill:none;stroke:var(--role-result);stroke-dasharray:4 3}.doubling-wall{stroke:var(--role-keep);stroke-width:1.6px}.doubling-label{fill:var(--ink);font-size:14px;font-weight:700}.doubling-note{fill:var(--role-result);font-size:12px;font-weight:700}.doubling-stuck{fill:var(--role-result);font-size:13px;font-weight:700}.doubling-question{fill:var(--ink);font-size:20px;font-weight:600}.thinking-scene svg .doubling-row-name{fill:var(--muted);text-anchor:start;font-size:12.5px}.doubling-choices{flex-wrap:wrap;gap:.5rem;margin:0 0 .6rem;display:flex}.doubling-choices .button{white-space:normal;min-height:48px;font-size:.9rem}.doubling-choices .button[aria-pressed=true]{outline-offset:2px;outline:2px solid}@media (width<=560px){.doubling-label{font-size:15.5px}.doubling-question{font-size:21px}.doubling-note,.doubling-stuck,.thinking-scene svg .doubling-row-name{font-size:14px}.doubling-choices .button{flex:100%;padding:.5rem}}