.v258-advanced-stats{border:1px solid rgba(93,135,255,.24);background:linear-gradient(180deg,rgba(35,55,100,.12),rgba(8,13,28,.03))}
.v258-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:16px}
.v258-grid>article{border:1px solid var(--line,#d8deea);border-radius:16px;padding:16px;background:var(--panel,#fff);min-width:0}
.v258-card-head{display:flex;flex-direction:column;gap:5px;margin-bottom:13px}.v258-card-head span{font-size:.72rem;letter-spacing:.08em;opacity:.68}.v258-card-head b{font-size:.92rem;line-height:1.35}
.v258-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}.v258-metrics span{display:flex;flex-direction:column;gap:3px;padding:8px;border-radius:10px;background:rgba(100,116,139,.08);font-size:.76rem}.v258-metrics strong{font-size:1.08rem}
.v258-main-metric{display:flex;flex-direction:column;gap:4px;margin:6px 0 10px}.v258-main-metric>span{font-size:.76rem;opacity:.72}.v258-main-metric>b{font-size:1.25rem}.v258-main-metric>small,.v258-grid article>small{display:block;opacity:.72;line-height:1.55}
.v258-note,.v258-fail{font-size:.82rem;line-height:1.55;padding:9px 10px;border-radius:10px;background:rgba(100,116,139,.08);margin-top:8px}.v258-fail{border:1px solid rgba(220,80,80,.24)}.v258-fail ul{margin:.45rem 1rem .25rem;padding:0}.v258-fail li{margin:.2rem 0}
.v258-details{margin-top:9px}.v258-details summary{cursor:pointer;font-size:.8rem;font-weight:700}.v258-prov{display:grid;gap:6px;margin-top:8px}.v258-prov span{font-size:.76rem;padding:7px 8px;border-radius:8px;background:rgba(100,116,139,.07)}
@media(max-width:980px){.v258-grid{grid-template-columns:1fr}}

/* V259 · post-R41 Recursive Derived-Hub layer */
.derived-hub-layer{margin-top:18px;padding:18px;border:1px solid rgba(38,112,189,.22);border-radius:18px;background:linear-gradient(180deg,rgba(244,249,255,.96),rgba(255,255,255,.98))}
.dh-layer-head,.dh-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.dh-layer-head h3,.dh-head h4{margin:4px 0 6px}.dh-layer-head p{margin:0;max-width:920px;color:var(--muted,#60728a);line-height:1.65}.dh-count{display:grid;grid-template-columns:auto auto;gap:2px 8px;align-items:center;min-width:92px;padding:10px 12px;border:1px solid rgba(38,112,189,.18);border-radius:14px;background:#fff}.dh-count b{font-size:18px}.dh-count span{font-size:11px;color:var(--muted,#60728a)}
.derived-hub-card{margin-top:14px;padding:16px;border:1px solid rgba(44,102,177,.18);border-radius:15px;background:#fff;box-shadow:0 6px 20px rgba(45,77,118,.04)}.dh-rule{font-size:11px;font-weight:800;letter-spacing:.04em;color:#3269a7}.dh-status{white-space:nowrap;padding:6px 9px;border-radius:999px;background:#eaf4ff;color:#1c5f9f;font-size:11px;font-weight:800}.dh-status.frozen{background:#eaf8ef;color:#237445}.dh-routes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0}.dh-route{padding:12px;border-radius:12px;background:#f7faff;border:1px solid rgba(44,102,177,.12)}.dh-eq{direction:ltr;text-align:left;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;padding:5px 8px;margin-top:5px;border-radius:8px;background:rgba(236,243,252,.8);font-weight:650}.dh-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.dh-grid>div{padding:9px 10px;border-radius:10px;background:#fafcff}.dh-grid span{display:block;font-size:11px;color:var(--muted,#60728a);margin-bottom:3px}.dh-grid b{font-size:13px}.dh-note,.dh-contract{margin-top:10px;color:var(--muted,#60728a);font-size:12px;line-height:1.55}.dh-loop{margin-top:14px;padding-top:14px;border-top:1px dashed rgba(44,102,177,.25)}.dh-reentries{margin-top:12px;padding:10px 12px;border-radius:10px;background:#fbfcfe}.dh-reentries p{margin:6px 0}.dh-reentries span{display:inline-block;margin:2px;padding:3px 6px;border-radius:7px;background:#eef3f8}.derived-hub-layer.compact{margin:18px 0}.derived-hub-layer.compact .dh-layer-head p{max-width:760px}
@media(max-width:900px){.dh-routes,.dh-grid{grid-template-columns:1fr}.dh-layer-head,.dh-head{flex-direction:column}.dh-count{grid-template-columns:auto auto}}

/* V270 UI · R35 promoted-hub representation convergence; independence is target-route exclusion */
.r35-layer{margin-top:16px;padding-top:15px;border-top:1px solid rgba(44,102,177,.2)}
.r35-layer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:10px}.r35-layer-head h3{margin:4px 0 6px}.r35-layer-head p{margin:0;max-width:920px;color:var(--muted,#60728a);line-height:1.6}
.r35-count{display:grid;grid-template-columns:auto auto;gap:2px 8px;align-items:center;min-width:116px;padding:10px 12px;border:1px solid rgba(38,112,189,.18);border-radius:14px;background:#fff}.r35-count b{font-size:18px}.r35-count span{font-size:10px;color:var(--muted,#60728a)}
.r35-card{margin-top:11px;padding:14px;border-radius:14px;border:1px solid rgba(44,102,177,.18);background:#fff}.r35-card.primary{box-shadow:inset 3px 0 0 rgba(35,132,78,.58)}.r35-card.dependent{box-shadow:inset 3px 0 0 rgba(180,132,28,.5);background:rgba(255,250,237,.72)}
.dh-status.r35-primary{background:#eaf8ef;color:#237445}.dh-status.r35-dependent{background:#fff3d6;color:#8a5d12}
.r35-collision{margin-top:9px;padding:9px;border-radius:10px;background:#f8fbff;border:1px solid rgba(44,102,177,.1)}.r35-guard{margin-top:9px;font-size:12px;color:var(--muted,#60728a)}
@media(max-width:900px){.r35-layer-head{flex-direction:column}.r35-count{grid-template-columns:auto auto}}