.picker[data-v-5e094e05]{background:#0d1117;border-bottom:1px solid #30363d;padding:.75rem 1.25rem}.pt-grid[data-v-5e094e05]{grid-template-rows:repeat(9,auto);grid-template-columns:repeat(18,1fr);gap:1px;max-width:900px;margin:0 auto;display:grid}.pt-grid>[style*="grid-row: 8"][data-v-5e094e05],.pt-grid>[style*="grid-row: 9"][data-v-5e094e05]{margin-top:4px}.pt-cell[data-v-5e094e05]{cursor:default;aspect-ratio:1;border:1px solid #0000;border-radius:3px;flex-direction:column;justify-content:center;align-items:center;min-width:0;padding:2px 1px;transition:background .12s,border-color .12s;display:flex;position:relative}.pt-cell.has-data[data-v-5e094e05]{cursor:pointer;background:#21262d}.pt-cell.has-data[data-v-5e094e05]:hover{background:#30363d;border-color:#58a6ff}.pt-cell.no-data[data-v-5e094e05]{opacity:.35;background:#161b2266}.pt-cell.selected[data-v-5e094e05]{background:#1f6feb33;border-color:#58a6ff}.pt-cell.fissile.has-data[data-v-5e094e05]{background:#f0883e22}.pt-cell.fissile.has-data[data-v-5e094e05]:hover{background:#f0883e44}.pt-cell.fissile.selected[data-v-5e094e05]{background:#f0883e33;border-color:#f0883e}.pt-cell.actinide.has-data[data-v-5e094e05]:not(.fissile):not(.selected){background:#2d1f3d}.pt-cell.lanthanide.has-data[data-v-5e094e05]:not(.selected){background:#1f2d3d}.pt-z[data-v-5e094e05]{color:#8b949e;font-size:.5rem;line-height:1}.pt-symbol[data-v-5e094e05]{font-size:.75rem;font-weight:600;line-height:1.2}.pt-label[data-v-5e094e05]{color:#484f58;justify-content:center;align-items:center;font-size:.7rem;display:flex}.pt-series-label[data-v-5e094e05]{color:#484f58;grid-column:1/3;justify-content:flex-end;align-items:center;padding-right:2px;font-size:.7rem;display:flex}.isotope-section[data-v-5e094e05]{min-height:2.5rem;margin-top:.75rem}.isotope-placeholder[data-v-5e094e05]{color:#484f58;justify-content:center;align-items:center;font-size:.85rem;display:flex}.isotope-header[data-v-5e094e05]{align-items:baseline;gap:.5rem;margin-bottom:.4rem;display:flex}.isotope-element-name[data-v-5e094e05]{font-size:.95rem;font-weight:600}.isotope-count[data-v-5e094e05]{color:#8b949e;font-size:.8rem}.isotope-row[data-v-5e094e05]{flex-wrap:wrap;gap:3px;display:flex}.isotope-btn[data-v-5e094e05]{color:#e6edf3;cursor:pointer;text-align:center;background:#21262d;border:1px solid #30363d;border-radius:4px;min-width:2.2rem;padding:.25rem .45rem;font-size:.8rem;font-weight:500;transition:border-color .12s,background .12s}.isotope-btn[data-v-5e094e05]:hover{background:#1c2128;border-color:#58a6ff}.isotope-btn.selected[data-v-5e094e05]{background:#1f6feb33;border-color:#58a6ff}.isotope-btn.stable[data-v-5e094e05]{border-left:2px solid #3fb950}.isotope-btn.fissile[data-v-5e094e05]{border-left:2px solid #f0883e;font-weight:700}.isotope-btn.radioactive[data-v-5e094e05]{border-left:2px solid #8b949e}.quick-pick[data-v-87fd933e]{background:#0d1117;flex-direction:column;gap:.75rem;padding:.6rem 1.25rem;display:flex}.category-select[data-v-87fd933e]{align-items:center;gap:.5rem;display:flex}.category-label[data-v-87fd933e]{color:#8b949e;font-size:.75rem;font-weight:600}.category-select select[data-v-87fd933e]{color:#e6edf3;background:#161b22;border:1px solid #30363d;border-radius:4px;min-width:12rem;padding:.25rem .5rem;font-family:inherit;font-size:.8rem}.group[data-v-87fd933e]{flex-direction:column;gap:.3rem;min-width:0;display:flex}.group-label[data-v-87fd933e]{text-transform:uppercase;letter-spacing:.06em;color:#484f58;font-size:.7rem;font-weight:600}.isotope-table[data-v-87fd933e]{gap:.25rem;max-width:46rem;display:grid}.table-header[data-v-87fd933e],.entry[data-v-87fd933e]{grid-template-columns:6rem 8rem minmax(12rem,1fr);align-items:center;gap:.75rem;display:grid}.table-header[data-v-87fd933e]{text-transform:uppercase;letter-spacing:.06em;color:#484f58;font-size:.7rem;font-weight:600}.entry[data-v-87fd933e]{min-width:0}.entry-name[data-v-87fd933e]{color:#8b949e;min-width:0;font-size:.8rem}.isotope-btn[data-v-87fd933e]{color:#e6edf3;cursor:pointer;white-space:nowrap;background:#21262d;border:1px solid #30363d;border-radius:4px;padding:.2rem .4rem;font-size:.8rem;font-weight:500;transition:border-color .12s,background .12s}.primary-use[data-v-87fd933e]{color:#c9d1d9;min-width:0;font-size:.8rem}@media (width<=560px){.table-header[data-v-87fd933e]{display:none}.entry[data-v-87fd933e]{grid-template-columns:5.5rem 1fr;gap:.25rem .75rem}.primary-use[data-v-87fd933e]{grid-column:2}}.isotope-btn[data-v-87fd933e]:hover{background:#1c2128;border-color:#58a6ff}.isotope-btn.selected[data-v-87fd933e]{background:#1f6feb33;border-color:#58a6ff}.isotope-btn.stable[data-v-87fd933e]{border-left:2px solid #3fb950}.isotope-btn.fissile[data-v-87fd933e]{border-left:2px solid #f0883e;font-weight:700}.isotope-btn.radioactive[data-v-87fd933e]{border-left:2px solid #8b949e}.chain[data-v-b89a1dad]{flex-direction:column;gap:2px;display:flex}.chain-step[data-v-b89a1dad]{cursor:pointer;border-radius:6px;grid-template-columns:1.2rem minmax(4.5rem,auto) minmax(5rem,auto) 1fr;align-items:center;column-gap:.75rem;padding:.5rem .75rem;font-size:.9rem;transition:background .15s;display:grid}.chain-step[data-v-b89a1dad]:hover{background:#1c2128}.chain-step.active[data-v-b89a1dad]{background:#1f6feb33;outline:1px solid #1f6feb}.chain-step.fission[data-v-b89a1dad]{border-left:3px solid #f0883e}.chain-step.stable[data-v-b89a1dad]{border-left:3px solid #3fb950}.chain-step.unknown[data-v-b89a1dad]{opacity:.7;border-left:3px dashed #d29922}.chain-icon[data-v-b89a1dad]{text-align:center;color:#8b949e;font-size:.85rem}.chain-label[data-v-b89a1dad]{font-weight:600}.chain-type[data-v-b89a1dad]{color:#8b949e;font-size:.8rem}.chain-meta[data-v-b89a1dad]{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:.75rem}.chain-meta.is-half-life[data-v-b89a1dad]{color:#6e7681}.chain-meta.is-decay-mode[data-v-b89a1dad]{color:#d2a8ff;background:#a371f718;border:1px solid #a371f730;border-radius:3px;padding:0 .35rem;font-size:.78rem;line-height:1.5}.chain-step.stable .chain-meta.is-half-life[data-v-b89a1dad]{color:#3fb95099}.chain-meta.is-infinite-half-life[data-v-b89a1dad]{font-size:1.05rem;line-height:1}.card-chain[data-v-83fe7dfb]{flex-direction:column;align-items:center;gap:0;width:100%;max-width:52rem;margin:0 auto;padding:1.25rem 1rem;display:flex}.iso-card[data-v-83fe7dfb]{text-align:center;cursor:pointer;background:#21262d;border:1px solid #30363d;border-radius:8px;width:9rem;padding:.5rem .75rem;transition:border-color .12s,background .12s}.iso-card[data-v-83fe7dfb]:hover{background:#1c2128;border-color:#58a6ff}.iso-card.active[data-v-83fe7dfb]{background:#1f6feb22;border-color:#58a6ff}.iso-card.stable[data-v-83fe7dfb]{border-color:#3fb950}.iso-card.stable.active[data-v-83fe7dfb]{background:#3fb95015}.iso-card.unknown[data-v-83fe7dfb]{opacity:.7;border-style:dashed;border-color:#d29922}.iso-card.unknown .card-hl[data-v-83fe7dfb]{color:#d29922}.card-notation[data-v-83fe7dfb]{letter-spacing:.02em;font-size:1rem;font-weight:700}.card-hl[data-v-83fe7dfb]{color:#6e7681;font-variant-numeric:tabular-nums;margin-top:.2rem;font-size:.72rem}.iso-card.stable .card-hl[data-v-83fe7dfb]{color:#3fb95080}.card-hl.is-infinite-half-life[data-v-83fe7dfb]{font-size:1.15rem;line-height:1}.connector[data-v-83fe7dfb]{flex-direction:column;align-items:center;gap:0;display:flex}.connector-stem[data-v-83fe7dfb]{background:#30363d;width:1px;height:10px}.connector-label[data-v-83fe7dfb]{color:#8b949e;background:#0f1419;padding:0 .3rem;font-size:.72rem;line-height:1.6}.connector-arrow[data-v-83fe7dfb]{color:#484f58;font-size:.9rem;line-height:1}.fission-split[data-v-83fe7dfb]{flex-direction:column;align-items:center;display:flex}.fission-split-parallel[data-v-83fe7dfb]{margin-bottom:.25rem}.fan-head[data-v-83fe7dfb]{flex-direction:column;align-items:center;gap:0;display:flex}.fan-stem[data-v-83fe7dfb]{background:#30363d;width:1px;height:10px}.fan-label[data-v-83fe7dfb]{color:#f0883e;background:#0f1419;padding:0 .3rem;font-size:.72rem;line-height:1.6}.fan-arrows[data-v-83fe7dfb]{gap:7rem;margin-top:2px;line-height:1;display:flex}.fan-arrow-left[data-v-83fe7dfb],.fan-arrow-right[data-v-83fe7dfb]{color:#f0883e;font-size:1.1rem}.frag-row[data-v-83fe7dfb]{align-items:flex-start;gap:1rem;display:flex}.frag-card[data-v-83fe7dfb]{text-align:center;cursor:pointer;background:#21262d;border:1px solid #30363d;border-radius:8px;width:7.5rem;padding:.4rem .6rem;transition:border-color .12s,background .12s}.frag-card[data-v-83fe7dfb]:hover{border-color:#58a6ff}.frag-card.followed[data-v-83fe7dfb]{background:#f0883e0e;border-color:#f0883e}.frag-card.unfollowed[data-v-83fe7dfb]{opacity:.55}.frag-card.active[data-v-83fe7dfb]{outline:1px solid #f0883e}.frag-tag[data-v-83fe7dfb]{text-transform:uppercase;letter-spacing:.06em;color:#484f58;margin-bottom:.15rem;font-size:.6rem}.frag-continuation[data-v-83fe7dfb]{justify-content:center;width:100%;display:flex}.frag-continuation.is-heavy[data-v-83fe7dfb]{padding-left:8.5rem}.frag-continuation[data-v-83fe7dfb]:not(.is-heavy){padding-right:8.5rem}.continuation-stem[data-v-83fe7dfb]{background:#30363d;width:1px;height:10px}.parallel-columns[data-v-83fe7dfb]{flex-direction:row;justify-content:center;align-items:flex-start;gap:1.5rem;width:100%;padding:0 .5rem 1rem;display:flex}.parallel-column[data-v-83fe7dfb]{flex-direction:column;flex:1;align-items:center;min-width:0;max-width:12rem;transition:opacity .15s;display:flex}.parallel-column.dimmed[data-v-83fe7dfb]{opacity:.45}.parallel-column[data-v-83fe7dfb]:not(.dimmed){opacity:1}.column-label[data-v-83fe7dfb]{text-transform:uppercase;letter-spacing:.08em;color:#6e7681;margin-bottom:.2rem;font-size:.65rem}.column-stem[data-v-83fe7dfb]{background:#30363d;width:1px;height:12px;margin-bottom:2px}.nuclide-graph[data-v-eaaf528f]{box-sizing:border-box;flex-direction:column;align-items:stretch;width:100%;padding:1rem 1.25rem;display:flex}@media (width<=720px){.nuclide-graph[data-v-eaaf528f]{flex:auto;height:100%;min-height:0;padding:.5rem .75rem}.axis-labels[data-v-eaaf528f]{flex-shrink:0}}.axis-labels[data-v-eaaf528f]{color:#6e7681;gap:.5rem;margin-bottom:.5rem;font-size:.75rem;display:flex}.axis-sep[data-v-eaaf528f]{color:#30363d}.graph-frame[data-v-eaaf528f]{background:#0d1117;border:1px solid #21262d;border-radius:8px;max-width:100%;height:clamp(340px,100vh - 15rem,720px);display:flex;position:relative;overflow:hidden}@media (width<=720px){.graph-frame[data-v-eaaf528f]{flex:auto;height:auto;min-height:200px;max-height:none}}.zoom-control[data-v-eaaf528f]{z-index:1;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0d1117d9;border:1px solid #30363d;border-radius:6px;gap:2px;padding:2px;display:flex;position:absolute;top:.6rem;right:1.5rem}.zoom-btn[data-v-eaaf528f]{color:#8b949e;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:.2rem .45rem;font-size:.72rem;font-weight:600}.zoom-btn[data-v-eaaf528f]:hover{color:#e6edf3;background:#21262d}.zoom-btn.active[data-v-eaaf528f]{color:#58a6ff;background:#1f6feb33}.zoom-btn[data-v-eaaf528f]:disabled{color:#484f58;cursor:not-allowed;background:0 0}.recenter-btn[data-v-eaaf528f]{margin-right:2px}.graph[data-v-eaaf528f]{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block}.graph.panning[data-v-eaaf528f]{cursor:grabbing}.grid line[data-v-eaaf528f]{stroke:#161b22;stroke-width:1px}.grid .axis-line[data-v-eaaf528f]{stroke:#30363d;stroke-width:2px}.ticks .tick-label[data-v-eaaf528f]{pointer-events:none;fill:#484f58;font-family:ui-monospace,monospace}.tick-n[data-v-eaaf528f]{font-size:9px}.tick-z-symbol[data-v-eaaf528f]{fill:#6e7681;font-size:11px;font-weight:700}.tick-z-number[data-v-eaaf528f]{font-size:9px}.edge line[data-v-eaaf528f]{stroke:#8b949e;stroke-width:1.5px}.edge.fission line[data-v-eaaf528f]{stroke:#f0883e;stroke-width:2px}.edge.ghost line[data-v-eaaf528f]{stroke:#484f58;stroke-dasharray:4 3;stroke-width:1.25px}.edge-label[data-v-eaaf528f]{fill:#c9d1d9;paint-order:stroke;stroke:#0d1117;stroke-width:3px;stroke-linejoin:round;pointer-events:none;font-family:ui-sans-serif,system-ui;font-size:11px}.edge.fission .edge-label[data-v-eaaf528f]{fill:#f0883e}.node rect[data-v-eaaf528f]{fill:#21262d;stroke:#30363d;stroke-width:1.5px;transition:stroke .12s,fill .12s}.node.clickable[data-v-eaaf528f]{cursor:pointer}.node.clickable:hover rect[data-v-eaaf528f]{stroke:#58a6ff}.node.active rect[data-v-eaaf528f]{fill:#1f6feb33;stroke:#58a6ff;stroke-width:2.5px}.node.stable rect[data-v-eaaf528f]{stroke:#3fb950}.node.stable.active rect[data-v-eaaf528f]{fill:#3fb95022}.node.unknown rect[data-v-eaaf528f]{stroke:#d29922;stroke-dasharray:3 2}.node.ghost rect[data-v-eaaf528f]{stroke:#484f58;fill:#161b22;stroke-dasharray:3 2}.node.start rect[data-v-eaaf528f]{stroke-width:2px}.node.start:not(.active):not(.stable) rect[data-v-eaaf528f]{stroke:#58a6ff80}.node-notation[data-v-eaaf528f]{fill:#e6edf3;pointer-events:none;font-family:ui-sans-serif,system-ui;font-size:12px;font-weight:700}.node-halflife[data-v-eaaf528f]{fill:#8b949e;font-variant-numeric:tabular-nums;pointer-events:none;font-family:ui-monospace,monospace;font-size:9px}.node.stable .node-halflife[data-v-eaaf528f]{fill:#3fb95099;font-size:16px}.node.unknown .node-halflife[data-v-eaaf528f]{fill:#d29922}.node.ghost .node-notation[data-v-eaaf528f]{fill:#6e7681;font-weight:600}.node.ghost .node-halflife[data-v-eaaf528f]{fill:#484f58}.panel[data-v-6535640d]{box-sizing:border-box;background:#161b22;border-left:1px solid #30363d;place-self:stretch end;width:100%;min-height:0;padding:0 1.25rem 1rem;overflow-y:auto}@media (width<=720px){.panel[data-v-6535640d]{padding-bottom:max(1rem, env(safe-area-inset-bottom));border-top:1px solid #30363d;border-left:none;justify-self:stretch}}.panel-title[data-v-6535640d]{text-transform:uppercase;letter-spacing:.07em;color:#6e7681;margin:0 0 .75rem;padding:.6rem 0 0;font-size:.8rem;font-weight:600}.section[data-v-6535640d]{margin-bottom:1.25rem}.section h2[data-v-6535640d]{text-transform:uppercase;letter-spacing:.05em;text-align:center;color:#58a6ff;margin:0 0 .5rem;font-size:.85rem;font-weight:600}.action-btns[data-v-6535640d]{flex-wrap:wrap;gap:.5rem;display:flex}.fire-btn[data-v-6535640d]{cursor:pointer;border:none;border-radius:6px;flex:1;min-width:7rem;padding:.5rem;font-size:.9rem;font-weight:600;transition:opacity .15s}.fire-btn[data-v-6535640d]:disabled{opacity:.35;cursor:not-allowed}.fire-btn.slow[data-v-6535640d]{color:#fff;background:#1f6feb}.fire-btn.slow[data-v-6535640d]:not(:disabled):hover{background:#388bfd}.fire-btn.fast[data-v-6535640d]{color:#fff;background:#f0883e}.fire-btn.fast[data-v-6535640d]:not(:disabled):hover{background:#f39c55}.fire-btn.decay[data-v-6535640d]{color:#fff;background:#8957e5}.fire-btn.decay[data-v-6535640d]:not(:disabled):hover{background:#a371f7}.mode-toggle[data-v-6535640d]{gap:2px;display:flex}.mode-btn[data-v-6535640d]{color:#6e7681;cursor:pointer;background:#0d1117;border:1px solid #30363d;border-radius:6px;flex:1;padding:.3rem .5rem;font-size:.8rem;font-weight:500;transition:background .12s,color .12s,border-color .12s}.mode-btn[data-v-6535640d]:hover{color:#e6edf3;border-color:#484f58}.mode-btn.active[data-v-6535640d]{color:#58a6ff;background:#1f6feb18;border-color:#1f6feb}.nav-row[data-v-6535640d]{align-items:center;gap:.5rem;display:flex}.nav-btn[data-v-6535640d]{color:#e6edf3;cursor:pointer;background:#21262d;border:1px solid #30363d;border-radius:6px;padding:.35rem .7rem;font-size:.85rem}.nav-btn[data-v-6535640d]:disabled{opacity:.35;cursor:not-allowed}.nav-btn[data-v-6535640d]:not(:disabled):hover{border-color:#58a6ff}.step-counter[data-v-6535640d]{text-align:center;color:#8b949e;flex:1;font-size:.85rem}.branch-btns[data-v-6535640d]{gap:.5rem;display:flex}.branch-btn[data-v-6535640d]{color:#e6edf3;cursor:pointer;background:#21262d;border:1px solid #30363d;border-radius:6px;flex:1;padding:.4rem;font-size:.85rem}.branch-btn.selected[data-v-6535640d]{background:#1f6feb33;border-color:#58a6ff}.branch-btn[data-v-6535640d]:hover{border-color:#58a6ff}.detail-card[data-v-6535640d]{background:#0d1117;border:1px solid #30363d;border-radius:8px;padding:.75rem}.detail-nuclide[data-v-6535640d]{margin-bottom:.1rem;font-size:1.4rem;font-weight:700}.detail-element-name[data-v-6535640d]{color:#aaa;margin-bottom:.25rem;font-size:.85rem}.detail-desc[data-v-6535640d]{color:#8b949e;margin-bottom:.6rem;font-size:.85rem}.detail-props[data-v-6535640d]{grid-template-columns:auto 1fr;gap:.25rem .75rem;margin:0;font-size:.825rem;display:grid}.detail-props dt[data-v-6535640d]{color:#8b949e}.detail-props dd[data-v-6535640d]{margin:0}.detail-props .is-infinite-half-life[data-v-6535640d]{color:#3fb95099;font-size:1.05rem;line-height:1}.detail-card.unknown[data-v-6535640d]{border-style:dashed;border-color:#d29922}.detail-unknown[data-v-6535640d]{color:#d29922;margin-bottom:.4rem;font-size:.85rem;font-weight:600}.error[data-v-6535640d]{color:#f85149;margin:0 0 1rem;font-size:.875rem}.version[data-v-6535640d]{color:#484f58;margin:1.5rem 0 0;font-size:.75rem}html,body{width:100%;min-height:100%;margin:0}#app{width:100%;min-height:100vh;margin:0}.app[data-v-b0f0312e]{color:#e6edf3;background:#0f1419;flex-direction:column;min-height:100vh;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;display:flex;overflow-x:hidden}.header[data-v-b0f0312e]{border-bottom:1px solid #30363d;padding:1rem 1.25rem}.header-brand[data-v-b0f0312e]{align-items:center;gap:1rem;min-width:0;display:flex}.header-logo-link[data-v-b0f0312e]{opacity:.92;flex-shrink:0;align-items:center;line-height:0;transition:opacity .15s;display:flex}.header-logo-link[data-v-b0f0312e]:hover{opacity:1}.header-logo[data-v-b0f0312e]{object-fit:contain;width:auto;max-width:min(11rem,38vw);height:2.25rem;display:block}.header-text[data-v-b0f0312e]{min-width:0}.header h1[data-v-b0f0312e]{margin:0;font-size:1.35rem;font-weight:600}.subtitle[data-v-b0f0312e]{color:#8b949e;margin:.35rem 0 0;font-size:.875rem}@media (width<=480px){.header-brand[data-v-b0f0312e]{flex-wrap:wrap;gap:.65rem 1rem}.header-logo[data-v-b0f0312e]{max-width:min(9rem,52vw);height:1.85rem}}.main[data-v-b0f0312e]{flex:auto;grid-template-rows:minmax(0,1fr);grid-template-columns:1fr minmax(280px,340px);gap:0;min-height:0;display:grid}.footer[data-v-b0f0312e]{background:#0d1117;border-top:1px solid #30363d;flex-shrink:0;margin-top:auto;padding:1.25rem 1.25rem 1.5rem}.footer-inner[data-v-b0f0312e]{text-align:center;flex-direction:column;align-items:center;gap:.65rem;display:flex}.footer-logo-link[data-v-b0f0312e]{opacity:.92;align-items:center;line-height:0;transition:opacity .15s;display:flex}.footer-logo-link[data-v-b0f0312e]:hover{opacity:1}.footer-logo[data-v-b0f0312e]{object-fit:contain;width:auto;height:2.75rem;display:block}.footer-copy[data-v-b0f0312e]{color:#8b949e;margin:0;font-size:.8125rem}@media (width<=720px){.main[data-v-b0f0312e]{grid-template-rows:minmax(0,1fr) minmax(6.5rem,min(34vh,280px));grid-template-columns:1fr}}.panel-title[data-v-b0f0312e]{text-transform:uppercase;letter-spacing:.07em;color:#6e7681;margin:0 0 .75rem;padding:.6rem 0 0;font-size:.8rem;font-weight:600}.viewport[data-v-b0f0312e]{min-width:0;min-height:0;padding:0;overflow-y:auto}@media (width<=720px){.viewport[data-v-b0f0312e]{flex-direction:column;display:flex;overflow:hidden}.viewport-header[data-v-b0f0312e]{flex-shrink:0}.viewport[data-v-b0f0312e]>:not(.viewport-header){flex:auto;min-height:0;overflow-y:auto}}.viewport-header[data-v-b0f0312e]{justify-content:space-between;align-items:center;padding:.5rem .5rem 0 1.25rem;display:flex}.viewport-placeholder[data-v-b0f0312e]{color:#8b949e;border:1px dashed #484f58;border-radius:8px;justify-content:center;align-items:center;height:100%;min-height:240px;margin:1.5rem;font-size:.95rem;display:flex}.chain-view-toggle[data-v-b0f0312e]{justify-content:flex-end;gap:4px;padding:.4rem .75rem;display:flex}.chain-toggle-btn[data-v-b0f0312e]{color:#6e7681;cursor:pointer;background:0 0;border:1px solid #30363d;border-radius:4px;padding:.2rem .6rem;font-size:.75rem;transition:color .12s,border-color .12s}.chain-toggle-btn[data-v-b0f0312e]:hover{color:#e6edf3;border-color:#484f58}.chain-toggle-btn.active[data-v-b0f0312e]{color:#e6edf3;background:#1f6feb18;border-color:#58a6ff}.picker-area[data-v-b0f0312e]{border-bottom:1px solid #30363d}.picker-summary[data-v-b0f0312e]{background:#0d1117;align-items:center;gap:.6rem;padding:.6rem 1.25rem;font-size:.875rem;display:flex}.picker-summary-label[data-v-b0f0312e]{color:#8b949e;font-weight:500}.picker-summary-sep[data-v-b0f0312e]{color:#484f58}.picker-summary-value[data-v-b0f0312e]{color:#e6edf3;font-size:1rem;font-weight:700}.picker-clear-btn[data-v-b0f0312e]{color:#8b949e;cursor:pointer;background:#21262d;border:1px solid #30363d;border-radius:6px;padding:.25rem .7rem;font-size:.8rem;transition:color .12s,border-color .12s}.picker-clear-btn[data-v-b0f0312e]:hover{color:#e6edf3;border-color:#58a6ff}.route-error[data-v-b0f0312e]{color:#f85149;margin:0;padding:.75rem 1.25rem 0;font-size:.875rem}.picker-heading[data-v-b0f0312e]{color:#e6edf3;background:#0d1117;margin:0;padding:.6rem 1.25rem .25rem;font-size:.95rem;font-weight:600}.picker-toggle[data-v-b0f0312e]{background:#0d1117;border-bottom:1px solid #30363d;justify-content:space-between;align-items:flex-end;gap:1rem;padding:.5rem 1.25rem 0;display:flex}.picker-tabs[data-v-b0f0312e]{gap:2px;display:flex}.toggle-btn[data-v-b0f0312e]{color:#8b949e;cursor:pointer;background:#161b22;border:1px solid #30363d;border-bottom:none;border-radius:6px 6px 0 0;padding:.3rem .75rem;font-size:.8rem;font-weight:500;transition:background .12s,color .12s}.toggle-btn[data-v-b0f0312e]:hover{color:#e6edf3;background:#21262d}.toggle-btn.active[data-v-b0f0312e]{color:#e6edf3;background:#21262d;border-color:#30363d #30363d #21262d;margin-bottom:-1px;padding-bottom:calc(.3rem + 1px)}.isotope-legend[data-v-b0f0312e]{color:#8b949e;align-items:center;gap:.9rem;padding-bottom:.35rem;font-size:.75rem;display:flex}.legend-item[data-v-b0f0312e]{white-space:nowrap;align-items:center;gap:.3rem;display:inline-flex}.legend-swatch[data-v-b0f0312e]{background:#8b949e;border-radius:2px;width:.7rem;height:.7rem}.legend-swatch.stable[data-v-b0f0312e]{background:#3fb950}.legend-swatch.fissile[data-v-b0f0312e]{background:#f0883e}.legend-swatch.radioactive[data-v-b0f0312e]{background:#8b949e}@media (width<=640px){.picker-toggle[data-v-b0f0312e]{flex-direction:column;align-items:flex-start}.isotope-legend[data-v-b0f0312e]{padding-bottom:0}}