.picker[data-v-02f56604]{padding:.75rem 1.25rem;border-bottom:1px solid #30363d;background:#0d1117}.pt-grid[data-v-02f56604]{display:grid;grid-template-columns:repeat(18,1fr);grid-template-rows:repeat(9,auto);gap:1px;max-width:900px;margin:0 auto;row-gap:1px}.pt-grid>*[style*="grid-row: 8"][data-v-02f56604],.pt-grid>*[style*="grid-row: 9"][data-v-02f56604]{margin-top:4px}.pt-cell[data-v-02f56604]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2px 1px;border-radius:3px;cursor:default;transition:background .12s,border-color .12s;border:1px solid transparent;min-width:0;aspect-ratio:1;position:relative}.pt-cell.has-data[data-v-02f56604]{background:#21262d;cursor:pointer}.pt-cell.has-data[data-v-02f56604]:hover{background:#30363d;border-color:#58a6ff}.pt-cell.no-data[data-v-02f56604]{background:#161b2266;opacity:.35}.pt-cell.selected[data-v-02f56604]{background:#1f6feb33;border-color:#58a6ff}.pt-cell.fissile.has-data[data-v-02f56604]{background:#f0883e22}.pt-cell.fissile.has-data[data-v-02f56604]:hover{background:#f0883e44}.pt-cell.fissile.selected[data-v-02f56604]{background:#f0883e33;border-color:#f0883e}.pt-cell.actinide.has-data[data-v-02f56604]:not(.fissile):not(.selected){background:#2d1f3d}.pt-cell.lanthanide.has-data[data-v-02f56604]:not(.selected){background:#1f2d3d}.pt-z[data-v-02f56604]{font-size:.5rem;color:#8b949e;line-height:1}.pt-symbol[data-v-02f56604]{font-size:.75rem;font-weight:600;line-height:1.2}.pt-label[data-v-02f56604]{display:flex;align-items:center;justify-content:center;font-size:.7rem;color:#484f58}.pt-series-label[data-v-02f56604]{display:flex;align-items:center;justify-content:flex-end;padding-right:2px;font-size:.7rem;color:#484f58;grid-column:1 / 3}.isotope-section[data-v-02f56604]{margin-top:.75rem;min-height:2.5rem}.isotope-placeholder[data-v-02f56604]{display:flex;align-items:center;justify-content:center;color:#484f58;font-size:.85rem}.isotope-header[data-v-02f56604]{display:flex;align-items:baseline;gap:.5rem;margin-bottom:.4rem}.isotope-element-name[data-v-02f56604]{font-weight:600;font-size:.95rem}.isotope-count[data-v-02f56604]{font-size:.8rem;color:#8b949e}.isotope-row[data-v-02f56604]{display:flex;flex-wrap:wrap;gap:3px}.isotope-btn[data-v-02f56604]{padding:.25rem .45rem;border:1px solid #30363d;border-radius:4px;background:#21262d;color:#e6edf3;font-size:.8rem;font-weight:500;cursor:pointer;transition:border-color .12s,background .12s;min-width:2.2rem;text-align:center}.isotope-btn[data-v-02f56604]:hover{border-color:#58a6ff;background:#1c2128}.isotope-btn.selected[data-v-02f56604]{border-color:#58a6ff;background:#1f6feb33}.isotope-btn.stable[data-v-02f56604]{border-left:2px solid #3fb950}.isotope-btn.fissile[data-v-02f56604]{border-left:2px solid #f0883e;font-weight:700}.isotope-btn.radioactive[data-v-02f56604]{border-left:2px solid #8b949e}.quick-pick[data-v-75d73138]{padding:.6rem 1.25rem;display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;background:#0d1117}.group[data-v-75d73138]{display:flex;flex-direction:column;gap:.3rem;min-width:0}.group-label[data-v-75d73138]{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#484f58}.group-entries[data-v-75d73138]{display:flex;flex-direction:column;gap:.25rem}.entry[data-v-75d73138]{display:flex;align-items:center;gap:.5rem}.entry-name[data-v-75d73138]{font-size:.8rem;color:#8b949e;min-width:5.5rem;flex-shrink:0}.entry-isotopes[data-v-75d73138]{display:flex;flex-wrap:wrap;gap:3px}.isotope-btn[data-v-75d73138]{padding:.2rem .4rem;border:1px solid #30363d;border-radius:4px;background:#21262d;color:#e6edf3;font-size:.8rem;font-weight:500;cursor:pointer;transition:border-color .12s,background .12s;white-space:nowrap}.isotope-btn[data-v-75d73138]:hover{border-color:#58a6ff;background:#1c2128}.isotope-btn.selected[data-v-75d73138]{border-color:#58a6ff;background:#1f6feb33}.isotope-btn.stable[data-v-75d73138]{border-left:2px solid #3fb950}.isotope-btn.fissile[data-v-75d73138]{border-left:2px solid #f0883e;font-weight:700}.isotope-btn.radioactive[data-v-75d73138]{border-left:2px solid #8b949e}.no-data[data-v-75d73138]{font-size:.75rem;color:#484f58}.chain[data-v-a5dbc972]{display:flex;flex-direction:column;gap:2px}.chain-step[data-v-a5dbc972]{display:grid;grid-template-columns:1.2rem minmax(4.5rem,auto) minmax(5rem,auto) 1fr;align-items:center;column-gap:.75rem;padding:.5rem .75rem;border-radius:6px;cursor:pointer;transition:background .15s;font-size:.9rem}.chain-step[data-v-a5dbc972]:hover{background:#1c2128}.chain-step.active[data-v-a5dbc972]{background:#1f6feb33;outline:1px solid #1f6feb}.chain-step.fission[data-v-a5dbc972]{border-left:3px solid #f0883e}.chain-step.stable[data-v-a5dbc972]{border-left:3px solid #3fb950}.chain-step.unknown[data-v-a5dbc972]{border-left:3px dashed #d29922;opacity:.7}.chain-icon[data-v-a5dbc972]{font-size:.85rem;text-align:center;color:#8b949e}.chain-label[data-v-a5dbc972]{font-weight:600}.chain-type[data-v-a5dbc972]{color:#8b949e;font-size:.8rem}.chain-meta[data-v-a5dbc972]{font-size:.75rem;font-variant-numeric:tabular-nums;white-space:nowrap}.chain-meta.is-half-life[data-v-a5dbc972]{color:#6e7681}.chain-meta.is-decay-mode[data-v-a5dbc972]{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-a5dbc972]{color:#3fb95099}.card-chain[data-v-d4b7b353]{display:flex;flex-direction:column;align-items:center;padding:1.25rem 1rem;gap:0;width:100%;max-width:52rem;margin:0 auto}.iso-card[data-v-d4b7b353]{width:9rem;padding:.5rem .75rem;background:#21262d;border:1px solid #30363d;border-radius:8px;text-align:center;cursor:pointer;transition:border-color .12s,background .12s}.iso-card[data-v-d4b7b353]:hover{border-color:#58a6ff;background:#1c2128}.iso-card.active[data-v-d4b7b353]{border-color:#58a6ff;background:#1f6feb22}.iso-card.stable[data-v-d4b7b353]{border-color:#3fb950}.iso-card.stable.active[data-v-d4b7b353]{background:#3fb95015}.iso-card.unknown[data-v-d4b7b353]{border-color:#d29922;border-style:dashed;opacity:.7}.iso-card.unknown .card-hl[data-v-d4b7b353]{color:#d29922}.card-notation[data-v-d4b7b353]{font-size:1rem;font-weight:700;letter-spacing:.02em}.card-hl[data-v-d4b7b353]{font-size:.72rem;color:#6e7681;margin-top:.2rem;font-variant-numeric:tabular-nums}.iso-card.stable .card-hl[data-v-d4b7b353]{color:#3fb95080}.connector[data-v-d4b7b353]{display:flex;flex-direction:column;align-items:center;gap:0}.connector-stem[data-v-d4b7b353]{width:1px;height:10px;background:#30363d}.connector-label[data-v-d4b7b353]{font-size:.72rem;color:#8b949e;line-height:1.6;padding:0 .3rem;background:#0f1419}.connector-arrow[data-v-d4b7b353]{color:#484f58;font-size:.9rem;line-height:1}.fission-split[data-v-d4b7b353]{display:flex;flex-direction:column;align-items:center}.fission-split-parallel[data-v-d4b7b353]{margin-bottom:.25rem}.fan-head[data-v-d4b7b353]{display:flex;flex-direction:column;align-items:center;gap:0}.fan-stem[data-v-d4b7b353]{width:1px;height:10px;background:#30363d}.fan-label[data-v-d4b7b353]{font-size:.72rem;color:#f0883e;padding:0 .3rem;background:#0f1419;line-height:1.6}.fan-arrows[data-v-d4b7b353]{display:flex;gap:7rem;line-height:1;margin-top:2px}.fan-arrow-left[data-v-d4b7b353],.fan-arrow-right[data-v-d4b7b353]{font-size:1.1rem;color:#f0883e}.frag-row[data-v-d4b7b353]{display:flex;gap:1rem;align-items:flex-start}.frag-card[data-v-d4b7b353]{width:7.5rem;padding:.4rem .6rem;background:#21262d;border:1px solid #30363d;border-radius:8px;text-align:center;cursor:pointer;transition:border-color .12s,background .12s}.frag-card[data-v-d4b7b353]:hover{border-color:#58a6ff}.frag-card.followed[data-v-d4b7b353]{border-color:#f0883e;background:#f0883e0e}.frag-card.unfollowed[data-v-d4b7b353]{opacity:.55}.frag-card.active[data-v-d4b7b353]{outline:1px solid #f0883e}.frag-tag[data-v-d4b7b353]{font-size:.6rem;text-transform:uppercase;letter-spacing:.06em;color:#484f58;margin-bottom:.15rem}.frag-continuation[data-v-d4b7b353]{width:100%;display:flex;justify-content:center}.frag-continuation.is-heavy[data-v-d4b7b353]{padding-left:8.5rem}.frag-continuation[data-v-d4b7b353]:not(.is-heavy){padding-right:8.5rem}.continuation-stem[data-v-d4b7b353]{width:1px;height:10px;background:#30363d}.parallel-columns[data-v-d4b7b353]{display:flex;flex-direction:row;justify-content:center;align-items:flex-start;gap:1.5rem;width:100%;padding:0 .5rem 1rem}.parallel-column[data-v-d4b7b353]{display:flex;flex-direction:column;align-items:center;flex:1;min-width:0;max-width:12rem;transition:opacity .15s}.parallel-column.dimmed[data-v-d4b7b353]{opacity:.45}.parallel-column[data-v-d4b7b353]:not(.dimmed){opacity:1}.column-label[data-v-d4b7b353]{font-size:.65rem;text-transform:uppercase;letter-spacing:.08em;color:#6e7681;margin-bottom:.2rem}.column-stem[data-v-d4b7b353]{width:1px;height:12px;background:#30363d;margin-bottom:2px}.app[data-v-aa111267]{min-height:100vh;display:flex;flex-direction:column;background:#0f1419;color:#e6edf3;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.header[data-v-aa111267]{padding:1rem 1.25rem;border-bottom:1px solid #30363d}.header h1[data-v-aa111267]{margin:0;font-size:1.35rem;font-weight:600}.subtitle[data-v-aa111267]{margin:.35rem 0 0;font-size:.875rem;color:#8b949e}.main[data-v-aa111267]{flex:1;display:grid;grid-template-columns:1fr minmax(280px,340px);gap:0;min-height:0}@media(max-width:720px){.main[data-v-aa111267]{grid-template-columns:1fr}}.panel-title[data-v-aa111267]{margin:0 0 .75rem;padding:.6rem 0 0;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:#6e7681}.viewport[data-v-aa111267]{padding:0;overflow-y:auto}.viewport-header[data-v-aa111267]{display:flex;align-items:center;justify-content:space-between;padding:.5rem .5rem 0 1.25rem}.viewport-placeholder[data-v-aa111267]{height:100%;min-height:240px;margin:1.5rem;border-radius:8px;border:1px dashed #484f58;display:flex;align-items:center;justify-content:center;color:#8b949e;font-size:.95rem}.chain-view-toggle[data-v-aa111267]{display:flex;justify-content:flex-end;gap:4px;padding:.4rem .75rem}.chain-toggle-btn[data-v-aa111267]{padding:.2rem .6rem;border:1px solid #30363d;border-radius:4px;background:transparent;color:#6e7681;font-size:.75rem;cursor:pointer;transition:color .12s,border-color .12s}.chain-toggle-btn[data-v-aa111267]:hover{color:#e6edf3;border-color:#484f58}.chain-toggle-btn.active[data-v-aa111267]{color:#e6edf3;border-color:#58a6ff;background:#1f6feb18}.panel[data-v-aa111267]{padding:0 1.25rem 1rem;border-left:1px solid #30363d;background:#161b22;overflow-y:auto}@media(max-width:720px){.panel[data-v-aa111267]{border-left:none;border-top:1px solid #30363d}}.section[data-v-aa111267]{margin-bottom:1.25rem}.section h2[data-v-aa111267]{margin:0 0 .5rem;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#8b949e}.picker-area[data-v-aa111267]{border-bottom:1px solid #30363d}.picker-summary[data-v-aa111267]{display:flex;align-items:center;gap:.6rem;padding:.6rem 1.25rem;background:#0d1117;font-size:.875rem}.picker-summary-label[data-v-aa111267]{color:#8b949e;font-weight:500}.picker-summary-sep[data-v-aa111267]{color:#484f58}.picker-summary-value[data-v-aa111267]{font-weight:700;color:#e6edf3;font-size:1rem}.picker-clear-btn[data-v-aa111267]{padding:.25rem .7rem;border:1px solid #30363d;border-radius:6px;background:#21262d;color:#8b949e;font-size:.8rem;cursor:pointer;transition:color .12s,border-color .12s}.picker-clear-btn[data-v-aa111267]:hover{color:#e6edf3;border-color:#58a6ff}.picker-heading[data-v-aa111267]{margin:0;padding:.6rem 1.25rem .25rem;font-size:.95rem;font-weight:600;color:#e6edf3;background:#0d1117}.picker-toggle[data-v-aa111267]{display:flex;gap:2px;padding:.5rem 1.25rem 0;background:#0d1117}.toggle-btn[data-v-aa111267]{padding:.3rem .75rem;border:1px solid #30363d;border-bottom:none;border-radius:6px 6px 0 0;background:#161b22;color:#8b949e;font-size:.8rem;font-weight:500;cursor:pointer;transition:background .12s,color .12s}.toggle-btn[data-v-aa111267]:hover{background:#21262d;color:#e6edf3}.toggle-btn.active[data-v-aa111267]{background:#21262d;color:#e6edf3;border-color:#30363d}.action-btns[data-v-aa111267]{display:flex;flex-wrap:wrap;gap:.5rem}.fire-btn[data-v-aa111267]{flex:1;min-width:7rem;padding:.5rem;border:none;border-radius:6px;font-size:.9rem;font-weight:600;cursor:pointer;transition:opacity .15s}.fire-btn[data-v-aa111267]:disabled{opacity:.35;cursor:not-allowed}.fire-btn.slow[data-v-aa111267]{background:#1f6feb;color:#fff}.fire-btn.slow[data-v-aa111267]:not(:disabled):hover{background:#388bfd}.fire-btn.fast[data-v-aa111267]{background:#f0883e;color:#fff}.fire-btn.fast[data-v-aa111267]:not(:disabled):hover{background:#f39c55}.fire-btn.decay[data-v-aa111267]{background:#8957e5;color:#fff}.fire-btn.decay[data-v-aa111267]:not(:disabled):hover{background:#a371f7}.mode-toggle[data-v-aa111267]{display:flex;gap:2px}.mode-btn[data-v-aa111267]{flex:1;padding:.3rem .5rem;border:1px solid #30363d;border-radius:6px;background:#0d1117;color:#6e7681;font-size:.8rem;font-weight:500;cursor:pointer;transition:background .12s,color .12s,border-color .12s}.mode-btn[data-v-aa111267]:hover{color:#e6edf3;border-color:#484f58}.mode-btn.active[data-v-aa111267]{background:#1f6feb18;color:#58a6ff;border-color:#1f6feb}.nav-row[data-v-aa111267]{display:flex;align-items:center;gap:.5rem}.nav-btn[data-v-aa111267]{padding:.35rem .7rem;border:1px solid #30363d;border-radius:6px;background:#21262d;color:#e6edf3;font-size:.85rem;cursor:pointer}.nav-btn[data-v-aa111267]:disabled{opacity:.35;cursor:not-allowed}.nav-btn[data-v-aa111267]:not(:disabled):hover{border-color:#58a6ff}.step-counter[data-v-aa111267]{flex:1;text-align:center;font-size:.85rem;color:#8b949e}.branch-btns[data-v-aa111267]{display:flex;gap:.5rem}.branch-btn[data-v-aa111267]{flex:1;padding:.4rem;border:1px solid #30363d;border-radius:6px;background:#21262d;color:#e6edf3;font-size:.85rem;cursor:pointer}.branch-btn.selected[data-v-aa111267]{border-color:#58a6ff;background:#1f6feb33}.branch-btn[data-v-aa111267]:hover{border-color:#58a6ff}.detail-card[data-v-aa111267]{background:#0d1117;border:1px solid #30363d;border-radius:8px;padding:.75rem}.detail-nuclide[data-v-aa111267]{font-size:1.4rem;font-weight:700;margin-bottom:.25rem}.detail-desc[data-v-aa111267]{font-size:.85rem;color:#8b949e;margin-bottom:.6rem}.detail-props[data-v-aa111267]{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.25rem .75rem;font-size:.825rem}.detail-props dt[data-v-aa111267]{color:#8b949e}.detail-props dd[data-v-aa111267]{margin:0}.detail-card.unknown[data-v-aa111267]{border-color:#d29922;border-style:dashed}.detail-unknown[data-v-aa111267]{font-size:.85rem;font-weight:600;color:#d29922;margin-bottom:.4rem}.error[data-v-aa111267]{color:#f85149;font-size:.875rem;margin:0 0 1rem}.version[data-v-aa111267]{margin:1.5rem 0 0;font-size:.75rem;color:#484f58}