.ch-svg-wrap{border:2px solid var(--ff-outline);border-top:4px solid var(--pc-select,var(--ff-forge));background:var(--ff-paper,var(--ff-warm));box-shadow:0 3px 0 var(--ff-outline);border-radius:.9rem;justify-content:center;align-items:center;margin:.6rem 0 .9rem;padding:1rem;display:flex}.ch-svg{width:100%;max-width:220px;height:auto}.ch-tower{max-width:200px}.ch-instr{color:var(--ff-slate-text);margin:.6rem 0 .3rem;font-size:.95rem;font-weight:800}.ch-choices{flex-wrap:wrap;gap:.5rem;margin-top:.4rem;display:flex}.ch-choice{text-align:center;flex:auto;min-width:92px;font-weight:800}.ch-choice--correct{box-shadow:0 0 0 4px var(--pc-correct);border-color:var(--pc-correct)!important}.ch-choice--wrong{opacity:.5;text-decoration:line-through}.ch-pool{flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:.6rem;display:flex}.ch-chip{align-items:center;gap:.45rem;font-weight:800;display:inline-flex}.ch-chip--wrong{opacity:.4;text-decoration:line-through}.ch-swatch{border:2px solid var(--ff-outline);border-radius:4px;width:16px;height:16px;display:inline-block}@media (prefers-reduced-motion:reduce){.ch-svg-wrap{transition:none}}.bal-sr{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.bal-stage{flex-direction:column;align-items:center;gap:.7rem;display:flex}.bal-scale-host{justify-content:center;width:100%;display:flex}.bal-scale-wrap{width:100%;max-width:300px}.bal-scale{width:100%;height:auto}.bal-eq{flex-wrap:wrap;justify-content:center;align-items:center;gap:.35rem .5rem;margin:.2rem 0;display:flex}.bal-mol{align-items:center;gap:.25rem;display:inline-flex}.bal-step{border-radius:.6rem;width:44px;min-width:44px;height:44px;padding:0;font-size:1.3rem;font-weight:800;line-height:1}.bal-coef{text-align:right;font-variant-numeric:tabular-nums;min-width:1.1ch;color:var(--pc-select,var(--ff-forge));font-size:1.35rem;font-weight:900}.bal-coef--set{color:var(--pc-select,var(--ff-forge))}.bal-formula{color:var(--ff-anvil);border-radius:.4rem;padding:.1rem .35rem;font-size:1.35rem;font-weight:800}.bal-op{color:var(--ff-slate-text);font-size:1.2rem;font-weight:800}.bal-arrow{color:var(--pc-select,var(--ff-forge));margin:0 .15rem;font-size:1.5rem}.bal-table-host{justify-content:center;width:100%;display:flex}.bal-table{border-collapse:collapse;font-variant-numeric:tabular-nums;min-width:240px;margin:.2rem auto 0}.bal-table th,.bal-table td{border:2px solid var(--ff-outline);text-align:center;padding:.3rem .7rem}.bal-table thead th{background:var(--ff-warm);font-size:.85rem}.bal-table tbody th{font-size:1.05rem;font-weight:900}.bal-num{font-size:1.05rem;font-weight:800}.bal-verd{font-size:.9rem;font-weight:800}.bal-table tr.bal-ok{background:var(--pc-correct-bg,color-mix(in oklab, var(--pc-correct,#4caf50) 14%, var(--ff-paper)))}.bal-table tr.bal-off{background:var(--pc-incorrect-bg,color-mix(in oklab, var(--pc-incorrect,#e53935) 12%, var(--ff-paper)))}.bal-table tr.bal-ok .bal-verd{color:var(--pc-correct-text,var(--ff-anvil))}.bal-table tr.bal-off .bal-verd{color:var(--pc-incorrect-text,var(--ff-anvil))}.bal-controls{justify-content:center;margin-top:.9rem;display:flex}.bal-check{min-width:180px;font-weight:800}@media (prefers-reduced-motion:reduce){.bal-scale{transition:none}}.chr-stage{flex-direction:column;align-items:center;gap:.8rem;display:flex}.chr-strip-host{justify-content:center;display:flex}.chr-strip-wrap{width:150px}.chr-strip{width:100%;height:auto}.chr-band{opacity:1;transform:translateY(0)}@media (prefers-reduced-motion:no-preference){.chr-band{animation:.55s ease-out both chr-rise}@keyframes chr-rise{0%{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}}.chr-q{color:var(--ff-anvil);text-align:center;margin:.4rem 0 .2rem;font-size:1.05rem;font-weight:800}.chr-choices{gap:.55rem;margin-top:.4rem;display:grid}.chr-choice{text-align:left;align-items:center;gap:.6rem;min-height:48px;padding:.6rem .9rem;font-weight:700;display:flex}.chr-choice-name{font-size:1.02rem}.chr-choice--right{border-color:var(--pc-correct,#4caf50);background:var(--pc-correct-bg,color-mix(in oklab, var(--pc-correct,#4caf50) 16%, var(--ff-paper)))}.chr-choice--wrong{border-color:var(--pc-incorrect,#e53935);background:var(--pc-incorrect-bg,color-mix(in oklab, var(--pc-incorrect,#e53935) 12%, var(--ff-paper)))}.chr-swatch{border:1.5px solid var(--ff-outline);border-radius:4px;flex:none;width:16px;height:16px;display:inline-block}.chr-table-host{justify-content:center;width:100%;display:flex}.chr-table{border-collapse:collapse;margin:0 auto}.chr-table th,.chr-table td{border:2px solid var(--ff-outline);text-align:center;padding:.3rem .7rem}.chr-table thead th{background:var(--ff-warm);font-size:.85rem}.chr-table tbody th{text-align:left;font-size:.98rem;font-weight:800}.chr-num{font-variant-numeric:tabular-nums;font-size:1rem;font-weight:800}.chr-table tr.chr-win{background:var(--pc-correct-bg,color-mix(in oklab, var(--pc-correct,#4caf50) 14%, var(--ff-paper)))}.chr-table tr.chr-pick{background:color-mix(in oklab, var(--pc-select,#7cb342) 12%, var(--ff-paper))}.chr-tag{background:var(--pc-correct,#4caf50);color:#fff;vertical-align:middle;border-radius:999px;margin-left:.35rem;padding:.05rem .4rem;font-size:.68rem;font-weight:800;display:inline-block}.chr-tag--pick{background:var(--pc-select,#7cb342)}.chr-sr{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}