.mf-slide-enter-active[data-v-6c8b5cfc],.mf-slide-leave-active[data-v-6c8b5cfc]{transition:opacity .2s ease,transform .2s ease}.mf-slide-enter-from[data-v-6c8b5cfc],.mf-slide-leave-to[data-v-6c8b5cfc]{opacity:0;transform:translateY(-8px)}.mf-katex[data-v-6c8b5cfc] strong{font-weight:600;color:inherit}.mf-katex[data-v-6c8b5cfc] .katex-display{margin:.25em 0}.mf-arrow-natural[data-v-6c8b5cfc]{max-width:100%;overflow:hidden}.mf-arrow-natural[data-v-6c8b5cfc] .mathviz{width:auto;max-width:100%;overflow:hidden}.mf-arrow-natural[data-v-6c8b5cfc] .mathviz>svg{width:auto!important;height:auto!important;max-width:100%!important}.sr-list[data-v-6c8b5cfc]{list-style:none;padding:0;margin:0;display:flex;flex-direction:column}.sr-row[data-v-6c8b5cfc]{border-top:1px solid var(--dark-a10)}.sr-row[data-v-6c8b5cfc]:last-child{border-bottom:1px solid var(--dark-a10)}.sr-row-collapsed[data-v-6c8b5cfc]{display:flex;align-items:flex-start;gap:12px;width:100%;padding:16px 6px;background:transparent;border:0;cursor:pointer;text-align:left;font:inherit;color:inherit;transition:background .12s}.sr-row-collapsed[data-v-6c8b5cfc]:hover:not(:disabled){background:var(--dark-a05)}.sr-row-collapsed[data-v-6c8b5cfc]:disabled{cursor:default}.sr-collapsed-body[data-v-6c8b5cfc]{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:6px}.sr-math[data-v-6c8b5cfc]{font-size:18px;color:var(--dark);font-weight:500;line-height:1.2}.sr-hint[data-v-6c8b5cfc]{font-size:13px;color:var(--dark-a50);font-weight:400;line-height:1.4}.sr-chevron[data-v-6c8b5cfc]{width:18px;height:18px;color:var(--dark-a40);flex-shrink:0;margin-top:4px;transition:transform .18s ease}.sr-row--open .sr-chevron[data-v-6c8b5cfc]{transform:rotate(180deg);color:var(--dark)}.sr-row--open .sr-row-collapsed[data-v-6c8b5cfc]{background:transparent}.sr-detail[data-v-6c8b5cfc]{padding:8px 6px 20px;display:flex;flex-direction:column;align-items:flex-start;gap:4px;background:transparent}.sr-detail-prev[data-v-6c8b5cfc]{font-size:22px;color:var(--dark);padding:4px 8px}.sr-detail-arrow[data-v-6c8b5cfc]{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px;padding:6px 8px}.sr-arrow-svg[data-v-6c8b5cfc]{width:18px;height:44px;color:var(--dark-a45);flex-shrink:0}.sr-arrow-hint[data-v-6c8b5cfc]{font-size:14px;color:var(--dark-a70);line-height:1.4}.sr-detail-result[data-v-6c8b5cfc]{font-size:22px;color:var(--dark);padding:4px 8px;font-weight:500}.tf-wrap[data-v-6c8b5cfc]{width:100%;padding:8px 0;display:flex;flex-direction:column}.tf-grid[data-v-6c8b5cfc]{display:grid;grid-template-columns:1fr 1fr;gap:14px;width:100%}.tf-arrow-row[data-v-6c8b5cfc]{display:flex;justify-content:center;align-items:center;color:var(--dark-a40);padding:4px 0}.tf-arrow-row--down .tf-arrow-svg[data-v-6c8b5cfc]{width:24px;height:32px}.tf-arrow-row--split .tf-arrow-svg-split[data-v-6c8b5cfc],.tf-arrow-row--merge .tf-arrow-svg-split[data-v-6c8b5cfc]{width:80%;max-width:460px;height:50px}.tf-tile-visual[data-v-6c8b5cfc]{display:flex;justify-content:center;margin:4px 0 12px;max-width:280px;width:100%;align-self:center}.tf-tile-body[data-v-6c8b5cfc]{display:flex;flex-direction:column;align-items:stretch;min-width:0}.tf-tile-content[data-v-6c8b5cfc]{display:flex;flex-direction:column;min-width:0;flex:1 1 auto}.tf-tile-body--split[data-v-6c8b5cfc]{flex-direction:row;align-items:center;gap:16px}.tf-tile-body--split .tf-tile-visual[data-v-6c8b5cfc]{flex:0 0 40%;max-width:40%;margin:0;align-self:center}.tf-tile-body--split .tf-tile-content[data-v-6c8b5cfc]{flex:1 1 60%;min-width:0}@media (max-width: 640px){.tf-tile-body--split[data-v-6c8b5cfc]{flex-direction:column;align-items:stretch;gap:8px}.tf-tile-body--split .tf-tile-visual[data-v-6c8b5cfc]{flex:1 1 auto;max-width:100%}.tf-tile-body--split .tf-tile-content[data-v-6c8b5cfc]{flex:1 1 auto}}.tf-tile[data-v-6c8b5cfc]{background:var(--light);border:2px solid var(--dark-a10);border-radius:12px;padding:14px 16px 16px;display:flex;flex-direction:column;align-items:stretch;min-width:0}.tf-tile--col-full[data-v-6c8b5cfc]{grid-column:1 / -1}.tf-tile--col-left[data-v-6c8b5cfc]{grid-column:1}.tf-tile--col-right[data-v-6c8b5cfc]{grid-column:2}.tf-tile--col-center[data-v-6c8b5cfc]{grid-column:1 / -1;max-width:480px;justify-self:center;width:100%}.tf-tile--data[data-v-6c8b5cfc]{background:var(--paper-light);border-color:var(--primary)}.tf-tile--result[data-v-6c8b5cfc]{background:linear-gradient(180deg,var(--accent1-light-85) 0%,var(--paper-light) 100%);border-color:var(--primary);border-width:2px}.tf-tile-label[data-v-6c8b5cfc]{font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:700;color:var(--dark-a65);margin-bottom:4px;text-align:center}.tf-tile-label[data-v-6c8b5cfc] .katex,.tf-tile-label[data-v-6c8b5cfc] .katex *{color:var(--dark)!important}.tf-tile-sublabel[data-v-6c8b5cfc]{font-size:12px;color:var(--dark-a65);font-style:italic;text-align:center;margin-bottom:8px;line-height:1.4}.tf-tile-sublabel[data-v-6c8b5cfc] .katex,.tf-tile-sublabel[data-v-6c8b5cfc] .katex *{color:var(--dark)!important;font-style:italic!important}.tf-tile-math[data-v-6c8b5cfc]{font-size:17px;text-align:center;padding:8px 4px;color:var(--dark)}.tf-tile-cascade[data-v-6c8b5cfc]{padding:0}.tf-tile--data .tf-tile-math[data-v-6c8b5cfc],.tf-tile--result .tf-tile-math[data-v-6c8b5cfc]{font-size:18px;font-weight:500}@media (max-width: 640px){.tf-grid[data-v-6c8b5cfc]{grid-template-columns:1fr}.tf-tile--col-left[data-v-6c8b5cfc],.tf-tile--col-right[data-v-6c8b5cfc],.tf-tile--col-center[data-v-6c8b5cfc]{grid-column:1}}.tc-cascade-list[data-v-6c8b5cfc]{display:flex;flex-direction:column;align-items:center;gap:0;padding:8px 0}.tc-math[data-v-6c8b5cfc]{font-size:18px;color:var(--dark);padding:6px 12px;text-align:center}.tc-math--final[data-v-6c8b5cfc]{font-size:20px;padding:10px 12px}.tc-arrow-wrap[data-v-6c8b5cfc]{cursor:pointer;padding:0;margin:0;border-radius:8px;transition:background .12s;display:flex;justify-content:center;line-height:0}.tc-arrow-wrap[data-v-6c8b5cfc]:hover{background:var(--accent2-a05)}.tc-arrow-wrap[data-v-6c8b5cfc]:not(.tc-arrow-wrap--open) foreignObject{visibility:hidden}.tc-arrow-wrap[data-v-6c8b5cfc] .mathviz>svg>line,.tc-arrow-wrap[data-v-6c8b5cfc] .mathviz>svg>path{transition:stroke .15s}.tc-arrow-wrap--open[data-v-6c8b5cfc] .mathviz>svg>line,.tc-arrow-wrap--open[data-v-6c8b5cfc] .mathviz>svg>path{stroke:var(--accent2)!important}.rbb-flag[data-v-ff26401c]{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;border:0;background:transparent;color:var(--dark-a25);cursor:pointer;transition:color .15s,background .15s}.rbb-flag[data-v-ff26401c]:hover,.rbb-flag[data-v-ff26401c]:focus-visible{color:var(--dark-a60);background:var(--dark-a05)}.fade-enter-active[data-v-ff26401c],.fade-leave-active[data-v-ff26401c]{transition:opacity .2s ease}.fade-enter-from[data-v-ff26401c],.fade-leave-to[data-v-ff26401c]{opacity:0}.mtz-proof-step[data-v-f86fc842]{padding:16px 18px;border-radius:12px;margin-bottom:10px;border:2px solid var(--dark-a05)}.mtz-proof-step-head[data-v-f86fc842]{display:flex;align-items:center;gap:10px;margin-bottom:10px}.mtz-proof-step-num[data-v-f86fc842]{width:26px;height:26px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;background:var(--dark-a05);color:var(--dark-a40)}.mtz-proof-step-pts[data-v-f86fc842]{font-size:11px;font-weight:700;color:var(--dark-a30)}.mtz-proof-step-prompt[data-v-f86fc842]{font-size:17px;line-height:1.65;color:var(--dark);margin-bottom:12px}.mtz-proof-step-prompt[data-v-f86fc842] .katex{font-size:1.08em}.mtz-proof-step-num-inline[data-v-f86fc842]{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;font-size:12px;font-weight:900;background:var(--dark-a05);color:var(--dark-a40);flex-shrink:0;vertical-align:middle;margin-right:10px;margin-top:-2px}.mtz-prompt-toggle .mtz-proof-step-num-inline[data-v-f86fc842]{margin-right:0;margin-left:-3px;align-self:center;margin-top:1px}.mtz-proof-input-wrap[data-v-f86fc842]{position:relative;display:flex;flex-direction:column}.mtz-proof-input[data-v-f86fc842]{width:100%;padding:10px 14px;border-radius:10px;border:2px solid var(--dark-a10);background:var(--card);font-size:var(--sch-text-base, 14px);font-family:inherit;color:var(--dark);transition:border-color .2s,box-shadow .2s;outline:none}.mtz-proof-input[data-v-f86fc842]:focus{border-color:var(--accent2);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent2) 10%,transparent)}.mtz-proof-input--correct[data-v-f86fc842]{border-color:var(--accent2);background:color-mix(in srgb,var(--accent2) 4%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent2) 8%,transparent)}.mtz-proof-input--wrong[data-v-f86fc842]{border-color:var(--accent4);background:color-mix(in srgb,var(--accent4) 4%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent4) 8%,transparent)}.mtz-answer[data-v-f86fc842]{display:flex;align-items:center;gap:8px;padding:9px 20px;border-radius:8px;cursor:pointer;transition:background .25s var(--ease);border:none;background:transparent}.mtz-answer[data-v-f86fc842]:hover{background:var(--primary-a20);border-color:transparent;box-shadow:none}.mtz-answer--selected[data-v-f86fc842],.mtz-answer--selected[data-v-f86fc842]:hover{background:var(--primary-a50);border-color:transparent;box-shadow:0 1px 4px color-mix(in srgb,var(--primary) 15%,transparent)}.mtz-answer--correct[data-v-f86fc842],.mtz-answer--correct[data-v-f86fc842]:hover{background:var(--accent2-a50);border-color:transparent;box-shadow:0 1px 4px var(--accent2-a50)}.mtz-answer--wrong[data-v-f86fc842],.mtz-answer--wrong[data-v-f86fc842]:hover{background:color-mix(in srgb,var(--accent4) 22%,transparent);border-color:transparent;box-shadow:none}.mtz-answer--correct-option[data-v-f86fc842],.mtz-answer--correct-option[data-v-f86fc842]:hover{background:color-mix(in srgb,var(--accent2) 8%,transparent);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--accent2) 55%,transparent)}.mtz-answer--disabled[data-v-f86fc842]{cursor:default}.mtz-answer--disabled[data-v-f86fc842]:hover{background:transparent;border-color:transparent;box-shadow:none}.mtz-answer--disabled.mtz-answer--selected[data-v-f86fc842],.mtz-answer--disabled.mtz-answer--selected[data-v-f86fc842]:hover{background:var(--primary-a50);border-color:transparent}.mtz-answer--disabled.mtz-answer--correct[data-v-f86fc842],.mtz-answer--disabled.mtz-answer--correct[data-v-f86fc842]:hover{background:var(--accent2-a50);border-color:transparent;box-shadow:0 1px 4px var(--accent2-a50)}.mtz-answer--disabled.mtz-answer--wrong[data-v-f86fc842],.mtz-answer--disabled.mtz-answer--wrong[data-v-f86fc842]:hover{background:color-mix(in srgb,var(--accent4) 22%,transparent);border-color:transparent}.mtz-answer--disabled.mtz-answer--correct-option[data-v-f86fc842],.mtz-answer--disabled.mtz-answer--correct-option[data-v-f86fc842]:hover{background:color-mix(in srgb,var(--accent2) 8%,transparent);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--accent2) 55%,transparent)}.mtz-answer--correct[data-v-f86fc842],.mtz-answer--wrong[data-v-f86fc842],.mtz-answer--correct-option[data-v-f86fc842]{position:relative;padding-right:38px}.mtz-answer--correct[data-v-f86fc842]:after,.mtz-answer--wrong[data-v-f86fc842]:after,.mtz-answer--correct-option[data-v-f86fc842]:after{content:"";position:absolute;right:12px;top:50%;transform:translateY(-50%);width:13px;height:13px}.mtz-answer--correct[data-v-f86fc842]:after,.mtz-answer--correct-option[data-v-f86fc842]:after{-webkit-mask:var(--mtz-icon-check) no-repeat center / contain;mask:var(--mtz-icon-check) no-repeat center / contain}.mtz-answer--correct[data-v-f86fc842]:after{background-color:var(--light)}.mtz-answer--correct-option[data-v-f86fc842]:after{background-color:var(--accent2)}.mtz-answer--wrong[data-v-f86fc842]:after{background-color:var(--accent4);-webkit-mask:var(--mtz-icon-cross) no-repeat center / contain;mask:var(--mtz-icon-cross) no-repeat center / contain}.mtz-answer-letter[data-v-f86fc842]{width:26px;height:26px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:900;flex-shrink:0;background:var(--dark-a05);color:var(--dark-a40);transition:background .2s,color .2s}.mtz-answer--selected .mtz-answer-letter[data-v-f86fc842]{background:var(--primary-a50);color:var(--dark)}.mtz-answer--correct .mtz-answer-letter[data-v-f86fc842]{background:var(--accent2);color:var(--light)}.mtz-answer--wrong .mtz-answer-letter[data-v-f86fc842]{background:var(--accent4);color:var(--light)}.mtz-answer-letter--correct-option[data-v-f86fc842]{background:color-mix(in srgb,var(--accent2) 18%,transparent);color:var(--accent2)}.mtz-answer-text[data-v-f86fc842]{font-size:var(--sch-text-base, 14px);color:var(--dark);line-height:1.6}.mtz-answer-text[data-v-f86fc842] .katex{font-size:1.08em}.mtz-inputs[data-v-f86fc842]{display:flex;flex-direction:column;gap:8px}.mtz-input-row[data-v-f86fc842]{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.mtz-input-label[data-v-f86fc842]{font-size:17px;font-weight:700;color:var(--dark);min-width:40px;flex-shrink:0}.mtz-input-label[data-v-f86fc842] .katex{font-size:1.05em}.mtz-submit-btn[data-v-f86fc842]{display:inline-flex;align-items:center;gap:5px;padding:10px 24px;border-radius:10px;margin-top:10px;align-self:flex-end;font-size:14px;font-weight:800;font-family:inherit;border:none;cursor:pointer;transition:all .2s var(--ease);background:var(--primary);color:var(--dark);box-shadow:0 1px 4px color-mix(in srgb,var(--primary) 20%,transparent)}.mtz-submit-btn[data-v-f86fc842]:hover{filter:brightness(.92)}.mtz-submit-btn[data-v-f86fc842]:active{transform:scale(.98)}.mtz-submit-btn[data-v-f86fc842]:disabled{opacity:.5;cursor:default;box-shadow:none;transform:none}.mtz-proof-part[data-v-f86fc842]{padding:16px 18px;border-radius:14px;margin-bottom:14px;border:2px solid var(--dark-a10)}.mtz-part-head[data-v-f86fc842]{margin-bottom:12px}.mtz-part-title-row[data-v-f86fc842]{display:flex;align-items:baseline;gap:10px}.mtz-part-title[data-v-f86fc842]{font-size:17px;font-weight:900;color:var(--dark)}.mtz-part-pts[data-v-f86fc842]{font-size:11px;font-weight:700;color:var(--dark-a30)}.mtz-part-prompt[data-v-f86fc842]{font-size:17px;line-height:1.65;color:var(--dark);margin-top:8px}.mtz-part-prompt[data-v-f86fc842] .katex{font-size:1.08em}@media (max-width: 640px){.mtz-proof-step-prompt[data-v-f86fc842],.mtz-part-prompt[data-v-f86fc842],.mtz-input-label[data-v-f86fc842]{font-size:var(--sch-text-base)}}.mtz-help[data-v-f86fc842]{font-size:12px;color:var(--dark-a40);font-style:italic;margin-bottom:8px}.mtz-print[data-v-f86fc842]{padding:10px 14px;border-radius:8px;background:color-mix(in srgb,var(--accent2) 4%,transparent);border-left:3px solid var(--accent2);font-size:15px;line-height:1.6}.mtz-print[data-v-f86fc842] .katex{font-size:1.15em}.mtz-list[data-v-f86fc842]{display:flex;flex-direction:column;gap:6px}.mtz-collapse[data-v-f86fc842]{display:grid;grid-template-rows:1fr;transition:grid-template-rows .18s ease}.mtz-collapse--closed[data-v-f86fc842]{grid-template-rows:0fr}.mtz-collapse[data-v-f86fc842]>*{min-height:0;overflow:hidden}.mtz-prompt-toggle[data-v-f86fc842]{display:flex;align-items:flex-start;gap:6px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;margin:-4px -8px 8px;padding:4px 8px;border-radius:8px;transition:background .15s}.mtz-prompt-toggle[data-v-f86fc842]:hover{background:var(--dark-a05)}.mtz-prompt-toggle--correct[data-v-f86fc842]{background:color-mix(in srgb,var(--accent2) 5%,transparent)}.mtz-prompt-toggle--correct[data-v-f86fc842]:hover{background:color-mix(in srgb,var(--accent2) 10%,transparent)}.mtz-prompt-toggle--wrong[data-v-f86fc842]{background:color-mix(in srgb,var(--accent4) 5%,transparent)}.mtz-prompt-toggle--wrong[data-v-f86fc842]:hover{background:color-mix(in srgb,var(--accent4) 10%,transparent)}.mtz-prompt-toggle .mtz-prompt-text[data-v-f86fc842]{flex:1}.mtz-collapse-chevron[data-v-f86fc842]{flex-shrink:0;margin-top:6px;color:var(--dark-a40);transition:transform .25s var(--ease)}.mtz-collapse-chevron--rotated[data-v-f86fc842]{transform:rotate(-90deg)}.mtz-collapsed-badge[data-v-f86fc842]{width:26px;height:26px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;flex-shrink:0;margin-top:1px}.mtz-collapsed-badge--correct[data-v-f86fc842]{background:var(--accent2);color:var(--light)}.mtz-collapsed-badge--wrong[data-v-f86fc842]{background:var(--accent4);color:var(--light)}.mtz-collapsed-badge--neutral[data-v-f86fc842]{background:var(--dark-a05);color:var(--dark-a40)}.mtz-collapsed-answer-text[data-v-f86fc842]{max-width:220px;white-space:nowrap;overflow:hidden;font-size:13px;color:var(--dark-a50);line-height:26px;flex-shrink:1;min-width:0;padding-right:12px;-webkit-mask-image:linear-gradient(to right,black 85%,transparent 100%);mask-image:linear-gradient(to right,black 85%,transparent 100%)}.mtz-collapsed-answer-text[data-v-f86fc842] .katex{font-size:1em}.mtz-feedback[data-v-f86fc842]{font-size:12px;font-weight:600;margin-top:4px}.mtz-feedback--bad[data-v-f86fc842]{color:var(--accent4)}.katex-prompt[data-v-f86fc842] .katex{font-size:1.08em}.border-l-3[data-v-f86fc842]{border-left-width:3px}.proof-answer-text[data-v-f86fc842]{min-width:0;flex:1 1 0%}
