@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap";@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";.login-screen{min-height:100dvh;padding:max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));background:var(--v2-bg-app);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.login-screen:before{content:"";aspect-ratio:1;background:radial-gradient(circle, color-mix(in srgb, var(--v2-primary) 16%, transparent) 0%, transparent 62%);pointer-events:none;width:min(720px,140vw);position:absolute;top:-20%;left:50%;transform:translate(-50%)}.login-card{background:var(--v2-surface);border:1px solid var(--v2-border);width:100%;max-width:408px;box-shadow:var(--v2-shadow-lg);animation:login-in .42s var(--v2-ease-out) both;border-radius:16px;padding:40px 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var(--v2-border);display:flex}.banco-skeleton-checkbox{border-radius:4px;flex-shrink:0;width:16px;height:16px}.banco-skeleton-stem{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.banco-skeleton-line{background:linear-gradient(90deg, var(--v2-border) 25%, var(--v2-surface-hover) 50%, var(--v2-border) 75%);background-size:200% 100%;border-radius:4px;animation:1.6s ease-in-out infinite banco-shimmer}@keyframes banco-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.banco-skeleton-row:nth-child(2) .banco-skeleton-line{animation-delay:50ms}.banco-skeleton-row:nth-child(3) .banco-skeleton-line{animation-delay:.1s}.banco-skeleton-row:nth-child(4) .banco-skeleton-line{animation-delay:.15s}.banco-skeleton-row:nth-child(5) .banco-skeleton-line{animation-delay:.2s}.banco-skeleton-row:nth-child(6) .banco-skeleton-line{animation-delay:.25s}.banco-questions-scroll{background: linear-gradient(var(--v2-surface) 30%, transparent),  linear-gradient(transparent, 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(width<=768px){.bk-root{gap:14px}.bk-title h1{font-size:19px}.bk-title p,.bk-hide-sm,.bk-cov,.bk-kbd,.bk-toolbar .bk-icon-btn{display:none}.bk-header-actions{width:100%}.bk-header-actions>*{flex:1}.bk-header-actions .bk-btn{justify-content:center;width:100%;height:44px}.bk-tabs{scrollbar-width:none;margin:0 calc(-1 * var(--v2-space-4));padding-left:var(--v2-space-4);padding-right:var(--v2-space-4);flex-wrap:nowrap;overflow-x:auto}.bk-tab{height:40px}.bk-qbtn{flex-basis:100%;min-height:52px;padding:8px 12px}.bk-search{max-width:none;height:44px}.bk-count{display:none}.bk-bhead{gap:8px;padding-right:8px}.bk-bhead .bk-bar{display:none}.bk-bhead{gap:6px;padding-left:2px}.bk-bhead-toggle{padding:0 4px}.bk-bhead .bk-btn-sm{padding:0 8px}.bk-cb{flex-basis:36px}.bk-row-main,.bk-row[data-kind=group] .bk-row-main{grid-template-rows:auto auto;grid-template-columns:auto minmax(0,1fr);align-content:center;gap:4px 10px;padding:8px 12px 8px 0}.bk-row-main .bk-code{grid-area:1/1}.bk-row-main .bk-st{grid-area:1/2;justify-self:start}.bk-row-main .bk-lead,.bk-row-main .bk-gtitle{grid-area:2/1/auto/-1}.bk-row-main .bk-ev,.bk-row-main .bk-dif{display:none}.bk-lead{white-space:nowrap}.bk-panel-scrim{z-index:var(--v2-z-overlay);background:#0f172a59;display:block;position:fixed;inset:0}.bk-root[data-panel=open] .bk-panel{z-index:var(--v2-z-modal);width:auto;max-width:none;max-height:88dvh;padding-bottom:env(safe-area-inset-bottom);animation:bk-sheet-in .26s var(--v2-ease-drawer);border-bottom:0;border-radius:16px 16px 0 0;inset:auto 0 0}.bk-icon-btn{flex-basis:44px;width:44px;height:44px}.bk-panel-foot .bk-btn{height:44px}@keyframes bk-sheet-in{0%{transform:translateY(100%)}}}@media (prefers-reduced-motion:reduce){.bk-root *,.bk-root :before{transition-duration:0s!important;animation-duration:0s!important}.bk-skel{animation:none}}.cu-root{--cu-muted:#64748b;--cu-warn:#b45309;--cu-warn-bg:#d9770617;--cu-sel:#4f46e50f;--cu-dot-pub:#10b981;--cu-radius:10px;color:var(--v2-text-primary);font-size:var(--v2-text-base);flex-direction:column;gap:18px;display:flex}[data-theme=dark] .cu-root{--cu-muted:#9c958f;--cu-warn:#f5b544;--cu-warn-bg:#f5b54417;--cu-sel:#8b5cf61a;--cu-dot-pub:#34d399}.cu-root button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}.cu-root button:disabled{cursor:not-allowed}.cu-root :is(button,input,select,textarea,a):focus-visible,.cu-menu button:focus-visible,.cu-dialog :is(button,input,select,textarea):focus-visible{outline:2px solid var(--v2-primary);outline-offset:2px}.cu-root .material-symbols-outlined,.cu-menu 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var(--v2-border);background:var(--v2-surface);font-size:var(--v2-text-sm);color:var(--v2-text-secondary);border-radius:12px;align-items:center;gap:10px;padding:12px 16px;line-height:1.5;display:flex}.cu-allclear b{color:var(--v2-text-primary)}.cu-allclear .material-symbols-outlined{color:var(--cu-dot-pub)}.cu-queue{flex-direction:column;gap:10px;display:flex}.cu-queue h2{font-size:var(--v2-text-base);margin:0;font-weight:700}.cu-queue-items{flex-wrap:wrap;gap:10px;display:flex}.cu-qbtn{text-align:left;border:1px solid var(--v2-border);border-radius:var(--cu-radius);background:var(--v2-surface);min-height:56px;transition:transform .14s var(--v2-ease-out), border-color .12s ease;flex:210px;align-items:center;gap:12px;padding:10px 14px;display:flex}.cu-qbtn:active{transform:scale(.98)}.cu-qbtn-ico{color:var(--cu-muted)}.cu-qbtn[data-tone=warn] 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input::placeholder{color:var(--cu-muted)}.cu-count{color:var(--cu-muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:12.5px}.cu-mod{border:1px solid var(--v2-border);background:var(--v2-surface);border-radius:12px;overflow:hidden}.cu-mod-head{flex-wrap:wrap;align-items:center;gap:6px 16px;padding:10px 12px 10px 8px;display:flex}.cu-mod-toggle{background:0 0;border:0;border-radius:8px;align-items:center;gap:8px;min-height:40px;padding:0 8px;display:inline-flex}.cu-mod-toggle small{color:var(--cu-muted);font-size:12px;font-weight:600}.cu-mod-toggle b{font-size:15px}.cu-chev{color:var(--cu-muted);transition:transform .18s var(--v2-ease-out)}.cu-chev[data-closed=true]{transform:rotate(-90deg)}.cu-mod-meta{color:var(--v2-text-secondary);font-variant-numeric:tabular-nums;flex:260px;font-size:12.5px}.cu-mod-empty{border-top:1px solid var(--v2-border);font-size:var(--v2-text-sm);color:var(--v2-text-secondary);flex-wrap:wrap;align-items:center;gap:8px 16px;padding:14px 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.block-match,[data-theme=dark] .block-example--reveal{--match-shadow:0 1px 0 #ffffff0a inset, 0 6px 14px -8px #000000b3;--match-shadow-up:0 1px 0 #ffffff0f inset, 0 14px 24px -10px #000c;--ix-line:#e8e6f029;--ix-ok:#22c55e;--ix-ok-bg:#22c55e1f;--ix-ok-ink:#4ade80;--ix-no:#f87171;--ix-no-bg:#ef44441f;--ix-hint:#a5a3b4}.block-predict{border:1px solid var(--ix-line);background:var(--module-color-light,var(--violet-light));border-radius:16px;margin:24px 0;padding:20px}.block-predict-prompt{color:var(--text-primary);gap:10px;margin:0 0 16px;font-size:1.05rem;font-weight:600;line-height:1.5;display:flex}.block-predict-icon{color:var(--ix-accent);flex:none;font-size:22px;line-height:1.5}.block-predict-options{flex-direction:column;gap:8px;display:flex}.block-predict-option{border:1px solid var(--ix-line);background:var(--bg-white,#fff);width:100%;min-height:52px;box-shadow:var(--match-shadow);color:var(--text-primary);font:inherit;text-align:left;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform .16s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), box-shadow .2s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), border-color .16s ease, background-color .2s ease, opacity .2s ease;border-radius:12px;align-items:center;gap:12px;padding:10px 14px 10px 10px;font-size:.975rem;line-height:1.4;display:flex}.block-predict-text{overflow-wrap:break-word;min-width:0}.block-predict-key{background:var(--key,#6d28d9);color:#fff;border-radius:9px;flex:none;place-items:center;width:30px;height:30px;font-size:.8125rem;font-weight:800;line-height:1;display:grid}.block-predict-option[data-index="0"]{--key:#6d28d9}.block-predict-option[data-index="1"]{--key:#0369a1}.block-predict-option[data-index="2"]{--key:#b45309}.block-predict-option[data-index="3"]{--key:#be185d}.block-predict.is-answered .block-predict-option{box-shadow:none}.block-predict-option.is-correct .block-predict-key{--key:#15803d}.block-predict-option.is-chosen:not(.is-correct) .block-predict-key{--key:#b91c1c}.block-predict-option.is-correct.is-chosen{animation:match-land .36s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-predict-option.is-chosen:not(.is-correct){animation:match-nope .3s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-predict-option:active:not(:disabled){transform:scale(.97)}@media (hover:hover) and (pointer:fine){.block-predict-option:hover:not(:disabled){border-color:var(--ix-accent);box-shadow:var(--match-shadow-up)}}.block-predict-option:focus-visible{outline:2px solid var(--ix-accent);outline-offset:2px}.block-predict-option:disabled{cursor:default}.block-predict.is-answered .block-predict-option:not(.is-correct):not(.is-chosen){opacity:.55}.block-predict-option.is-correct{border-color:var(--ix-ok);background:var(--ix-ok-bg)}.block-predict-option.is-chosen:not(.is-correct){border-color:var(--ix-no);background:var(--ix-no-bg)}.block-predict-option.is-correct:after,.block-predict-option.is-chosen:not(.is-correct):after{margin-left:auto;font-family:Material Symbols Outlined;font-size:20px;line-height:1}.block-predict-option.is-correct:after{content:"check_circle";color:var(--ix-ok)}.block-predict-option.is-chosen:not(.is-correct):after{content:"cancel";color:var(--ix-no)}.block-predict-feedback{color:var(--text-primary);margin:12px 0 0;font-size:.875rem}.block-predict.is-right .block-predict-feedback{color:var(--ix-ok-ink);flex-wrap:wrap;align-items:center;gap:4px 6px;font-weight:700;display:flex}.block-predict.is-right .block-predict-feedback:before{content:"check_circle";font-variation-settings:"FILL" 1;color:var(--ix-ok);font-family:Material Symbols Outlined;font-size:20px;font-weight:400}.block-predict.is-wrong .block-predict-feedback{color:var(--text-primary);font-weight:700}.block-predict-explanation{color:var(--text-primary);margin:8px 0 0;line-height:1.6}.block-predict-rest.is-revealed,.block-example-step.is-revealed{animation:ix-reveal .26s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}@keyframes ix-reveal{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.block-predict-static-tag{color:var(--text-primary);margin:0 0 8px;font-size:.8125rem}.block-predict-static-list{margin:0;padding-left:22px;line-height:1.6}.block-predict-static.is-correct{font-weight:600}.block-example-hint{color:var(--ix-hint);margin-top:4px;font-size:.8125rem;display:block}.block-example-next{border:1.5px solid var(--ix-accent);background:var(--bg-white,#fff);min-height:44px;box-shadow:var(--match-shadow);color:var(--text-primary);font:inherit;cursor:pointer;transition:transform .16s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), background-color .16s ease;border-radius:12px;align-items:center;margin-top:16px;padding:10px 16px;font-size:.9rem;font-weight:600;display:inline-flex}.block-example-next:active{transform:scale(.97)}@media (hover:hover){.block-example-next:hover{background:var(--module-color-light,var(--violet-light))}}.block-example-next:focus-visible{outline:2px solid var(--ix-accent);outline-offset:2px}@media (width<=768px){.block-predict{margin:16px 0;padding:16px}}@media (prefers-reduced-motion:reduce){.block-predict-option,.block-example-next{transition:none}.block-predict-rest.is-revealed,.block-example-step.is-revealed{animation:none}}.block-predict--reto{background:var(--module-color-medium,#6c2bff26);border-color:var(--ix-accent);border-width:1.5px}.block-predict--reto .block-predict-icon{font-variation-settings:"FILL" 1}.block-predict--reto.is-answered{animation:reto-settle .32s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}@keyframes reto-settle{0%{transform:scale(1)}40%{transform:scale(1.015)}to{transform:scale(1)}}.block-reto-combo{color:#fff;vertical-align:1px;animation:combo-pop .38s var(--ease-out,cubic-bezier(.23, 1, .32, 1));background:#15803d;border-radius:999px;align-items:center;margin-left:6px;padding:2px 10px;font-size:.75rem;font-weight:800;display:inline-flex}@keyframes combo-pop{0%{opacity:0;transform:scale(.7)}55%{opacity:1;transform:scale(1.12)}to{transform:scale(1)}}@media (prefers-reduced-motion:reduce){.block-predict--reto.is-answered,.block-predict-option.is-correct.is-chosen,.block-predict-option.is-chosen:not(.is-correct),.block-reto-combo{animation:none}}.block-match{--match-gap:12px;--match-shadow:0 1px 2px #1816260f, 0 6px 14px -8px #18162647;--match-shadow-up:0 2px 4px #18162614, 0 14px 24px -10px #18162661;border:1.5px solid var(--ix-accent);background:var(--module-color-medium,#6c2bff26);border-radius:16px;margin:24px 0;padding:20px;transition:border-color .24s}[data-theme=dark] .block-match{--match-shadow:0 1px 0 #ffffff0a inset, 0 6px 14px -8px #000000b3;--match-shadow-up:0 1px 0 #ffffff0f inset, 0 14px 24px -10px #000c}.block-match--static{background:0 0;border:0;padding:0}.block-match-board{gap:8px var(--match-gap);grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;display:grid}.block-match-head{color:var(--text-primary);align-self:end;margin:0;padding:0 4px 2px;font-size:.8125rem;font-weight:700;line-height:1.3}.block-match-item{border:1px solid var(--ix-line);background:var(--bg-white,#fff);min-height:52px;color:var(--text-primary);font:inherit;text-align:left;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform .16s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), box-shadow .2s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), border-color .16s ease, background-color .2s ease;border-radius:12px;align-items:center;padding:12px 14px;font-size:.9375rem;line-height:1.35;display:flex;position:relative}.block-match-item[data-side=l]{font-weight:600}.block-match-text{overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;min-width:0}.block-match-item .katex{font-size:1.3em}.block-match-item[data-side=r]{box-shadow:var(--match-shadow)}.block-match-item:active:not(:disabled){transform:scale(.97)}@media (hover:hover) and (pointer:fine){.block-match-item:hover:not(:disabled):not(.is-selected){border-color:var(--ix-accent)}}.block-match-item:focus-visible{outline:2px solid var(--ix-accent);outline-offset:2px}.block-match-item.is-selected{border-color:var(--ix-accent);box-shadow:0 0 0 2px var(--ix-accent), var(--match-shadow-up);transform:translateY(-2px)}.block-match-item.is-selected:active{transform:translateY(-2px)scale(.97)}.block-match-item[data-color="0"]{--pair:#7c3aed}.block-match-item[data-color="1"]{--pair:#0284c7}.block-match-item[data-color="2"]{--pair:#d97706}.block-match-item[data-color="3"]{--pair:#db2777}.block-match-item[data-color="4"]{--pair:#059669}.block-match-item[data-color="5"]{--pair:#ea580c}.block-match-item.is-matched{border-color:var(--pair,var(--ix-ok));background:var(--ix-ok-bg);background:color-mix(in srgb, var(--pair,var(--ix-ok)) 14%, var(--bg-white,#fff));box-shadow:none;cursor:default;animation:match-land .36s var(--ease-out,cubic-bezier(.23, 1, .32, 1));border-width:1.5px}[data-theme=dark] .block-match-item.is-matched{background:color-mix(in srgb, var(--pair,var(--ix-ok)) 22%, var(--bg-white,#1c1c26))}@keyframes match-land{0%{transform:scale(1)}35%{transform:scale(1.04)}to{transform:scale(1)}}.match-particle{z-index:9999;pointer-events:none;will-change:transform, opacity;position:fixed}.block-match-item.is-matched[data-side=l]:after{content:"link";top:50%;right:calc(-11px - var(--match-gap) / 2);z-index:1;background:var(--pair,var(--ix-ok));color:#fff;width:22px;height:22px;box-shadow:0 0 0 3px var(--module-color-medium,#6c2bff26);animation:match-link .26s var(--ease-out,cubic-bezier(.23, 1, .32, 1)) .12s backwards;border-radius:50%;place-items:center;font-family:Material Symbols Outlined;font-size:15px;font-weight:700;line-height:1;display:grid;position:absolute;transform:translateY(-50%)rotate(-45deg)}@keyframes match-link{0%{opacity:0;transform:translateY(-50%)rotate(-45deg)scale(.6)}to{opacity:1;transform:translateY(-50%)rotate(-45deg)scale(1)}}.block-match-item.is-wrong{border-color:var(--ix-no);background:var(--ix-no-bg);animation:match-nope .3s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}@keyframes match-nope{0%,to{transform:translate(0)}25%{transform:translate(-4px)}60%{transform:translate(3px)}}.block-match-feedback{color:var(--text-primary);align-items:center;gap:6px;margin:14px 0 0;font-size:.875rem;display:flex}.block-match.is-done{border-color:var(--ix-ok);animation:reto-settle .32s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-match.is-done .block-match-feedback{color:var(--ix-ok-ink);font-weight:700}.block-match.is-done .block-match-feedback:before{content:"check_circle";font-variation-settings:"FILL" 1;color:var(--ix-ok);font-family:Material Symbols Outlined;font-size:20px;font-weight:400}@media (width<=768px){.block-match{--match-gap:10px;margin:16px 0;padding:14px}.block-match-item{min-height:48px;padding:10px 11px;font-size:.875rem}}@media (prefers-reduced-motion:reduce){.block-match-item{transition:none}.block-match-item.is-selected{transform:none}.block-match-item.is-wrong,.block-match.is-done,.block-match-item.is-matched,.block-match-item.is-matched[data-side=l]:after{animation:none}}.block-sort{--match-shadow:0 1px 2px #1816260f, 0 6px 14px -8px #18162647;--match-shadow-up:0 2px 4px #18162614, 0 14px 24px -10px #18162661;--ix-accent:var(--module-color,var(--violet,#6c2bff));--ix-line:#2b2b2b24;--ix-ok:#16a34a;--ix-ok-ink:#15803d;--ix-no:#dc2626;--ix-no-bg:#fef2f2;border:1.5px solid var(--ix-accent);background:var(--module-color-medium,#6c2bff26);border-radius:16px;margin:24px 0;padding:20px;transition:border-color .24s}[data-theme=dark] .block-sort{--match-shadow:0 1px 0 #ffffff0a inset, 0 6px 14px -8px #000000b3;--match-shadow-up:0 1px 0 #ffffff0f inset, 0 14px 24px -10px #000c;--ix-line:#e8e6f029;--ix-ok:#22c55e;--ix-ok-ink:#4ade80;--ix-no:#f87171;--ix-no-bg:#ef44441f}.block-sort-stage{flex-direction:column;align-items:center;gap:10px;margin:4px 0 18px;display:flex}.block-sort-deck{width:min(100%,360px);padding-bottom:20px;display:grid}.block-sort-card{border:1px solid var(--ix-line);background:var(--bg-white,#fff);min-height:92px;box-shadow:var(--match-shadow-up);color:var(--text-primary);text-align:center;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;transform-origin:50% 0;transform:translateY(calc(var(--depth,0) * 10px)) scale(calc(1 - var(--depth,0) * .05));transition:transform .26s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), opacity .2s ease, box-shadow .2s ease;border-radius:16px;grid-area:1/1;justify-content:center;align-items:center;padding:18px 20px;font-size:1rem;font-weight:600;line-height:1.4;display:flex}.block-sort-card[data-depth="1"]{opacity:.85;box-shadow:var(--match-shadow);pointer-events:none}.block-sort-card[data-depth="2"]{opacity:.6;box-shadow:none;pointer-events:none}.block-sort-card:not([data-depth="0"]):not([data-depth="1"]):not([data-depth="2"]){opacity:0;pointer-events:none}.block-sort-card .katex{font-size:1.45em}.block-sort .block-sort-bin .block-sort-bin-items li .katex{font-size:1.15em}.block-sort-card.is-dragging{cursor:grabbing;box-shadow:0 0 0 2px var(--ix-accent), var(--match-shadow-up);transition:none}.block-sort-card.is-sorted{display:none}.block-sort-card.is-wrong{border-color:var(--ix-no);background:var(--ix-no-bg);animation:match-nope .3s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-sort-count{color:var(--text-primary);margin:0;font-size:.8125rem;font-weight:600}.block-sort.is-done .block-sort-stage{display:none}.block-sort-bins{grid-template-columns:repeat(var(--cats,2), minmax(0, 1fr));gap:10px;display:grid}.block-sort-bin[data-color="0"]{--pair:#7c3aed;--pair-ink:#6d28d9}.block-sort-bin[data-color="1"]{--pair:#0284c7;--pair-ink:#0369a1}.block-sort-bin[data-color="2"]{--pair:#d97706;--pair-ink:#b45309}.block-sort-bin[data-color="3"]{--pair:#db2777;--pair-ink:#be185d}.block-sort-bin{border:1.5px solid var(--pair);background:var(--bg-white,#fff);background:color-mix(in srgb, var(--pair) 12%, var(--bg-white,#fff));min-width:0;transition:transform .16s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), background-color .16s ease, box-shadow .16s ease;border-radius:14px;flex-direction:column;display:flex}[data-theme=dark] .block-sort-bin{background:color-mix(in srgb, var(--pair) 20%, var(--bg-white,#1c1c26))}.block-sort-bin.is-over{background:color-mix(in srgb, var(--pair) 24%, var(--bg-white,#fff));box-shadow:0 0 0 3px var(--pair);transform:scale(1.03)}.block-sort-bin.is-wrong{border-color:var(--ix-no);animation:match-nope .3s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-sort-drop{width:100%;min-height:56px;color:var(--text-primary);font:inherit;text-align:left;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform .14s var(--ease-out,cubic-bezier(.23, 1, .32, 1));background:0 0;border:0;border-radius:12px;align-items:center;gap:8px;padding:10px 12px;font-size:.9375rem;font-weight:700;line-height:1.25;display:flex}.block-sort-drop:active{transform:scale(.97)}.block-sort-drop:focus-visible{outline:2px solid var(--pair);outline-offset:2px}.block-sort.is-done .block-sort-drop{cursor:default}.block-sort-bin-name{overflow-wrap:break-word;flex:1;min-width:0}.block-sort-bin-n{background:var(--pair-ink);color:#fff;border-radius:999px;flex:none;place-items:center;min-width:26px;height:26px;padding:0 7px;font-size:.8125rem;font-weight:800;display:grid}.block-sort-bin-n.is-bump{animation:combo-pop .38s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-sort .block-sort-bin .block-sort-bin-items{flex-direction:column;gap:6px;margin:0;padding:0 8px;list-style:none;display:flex}.block-sort .block-sort-bin .block-sort-bin-items:not(:empty){padding-bottom:8px}.block-sort .block-sort-bin .block-sort-bin-items li{background:var(--bg-white,#fff);color:var(--text-primary);overflow-wrap:break-word;animation:ix-reveal .26s var(--ease-out,cubic-bezier(.23, 1, .32, 1));border-radius:9px;margin:0;padding:7px 10px;font-size:.8125rem;line-height:1.35}.block-sort-feedback{color:var(--text-primary);margin:14px 0 0;font-size:.875rem}.block-sort.is-done{border-color:var(--ix-ok);animation:reto-settle .32s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-sort.is-done .block-sort-feedback{color:var(--ix-ok-ink);align-items:center;gap:6px;font-weight:700;display:flex}.block-sort.is-done .block-sort-feedback:before{content:"check_circle";font-variation-settings:"FILL" 1;color:var(--ix-ok);font-family:Material Symbols Outlined;font-size:20px;font-weight:400}.block-sort--static{background:0 0;border:0;padding:0}.block-sort-static{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;display:grid}.block-sort-static-name{color:var(--text-primary);margin:0 0 4px;font-weight:700}.block-sort-static ul{margin:0;padding-left:20px;line-height:1.5}@media (width<=768px){.block-sort{margin:16px 0;padding:14px}.block-sort-bins{gap:8px}.block-sort[data-cats="4"] .block-sort-bins{grid-template-columns:repeat(2,minmax(0,1fr))}.block-sort[data-cats="3"] .block-sort-bins{grid-template-columns:minmax(0,1fr)}.block-sort[data-cats="3"] .block-sort-drop{min-height:48px}.block-sort[data-cats="3"] .block-sort-bin .block-sort-bin-items{flex-flow:wrap}}@media (prefers-reduced-motion:reduce){.block-sort-card,.block-sort-bin,.block-sort-drop{transition:none}.block-sort-card.is-wrong,.block-sort-bin.is-wrong,.block-sort.is-done,.block-sort-bin-n.is-bump,.block-sort .block-sort-bin .block-sort-bin-items li{animation:none}}.block-order{--match-shadow:0 1px 2px #1816260f, 0 6px 14px -8px #18162647;--match-shadow-up:0 2px 4px #18162614, 0 14px 24px -10px #18162661;--ix-accent:var(--module-color,var(--violet,#6c2bff));--ix-line:#2b2b2b24;--ix-ok:#16a34a;--ix-ok-ink:#15803d;--ix-no:#dc2626;--ix-no-bg:#fef2f2;border:1.5px solid var(--ix-accent);background:var(--module-color-medium,#6c2bff26);border-radius:16px;margin:24px 0;padding:20px;transition:border-color .24s}[data-theme=dark] .block-order{--match-shadow:0 1px 0 #ffffff0a inset, 0 6px 14px -8px #000000b3;--match-shadow-up:0 1px 0 #ffffff0f inset, 0 14px 24px -10px #000c;--ix-line:#e8e6f029;--ix-ok:#22c55e;--ix-ok-ink:#4ade80;--ix-no:#f87171;--ix-no-bg:#ef44441f}.block-order-slot[data-color="0"]{--pair:#7c3aed;--pair-ink:#6d28d9}.block-order-slot[data-color="1"]{--pair:#0284c7;--pair-ink:#0369a1}.block-order-slot[data-color="2"]{--pair:#d97706;--pair-ink:#b45309}.block-order-slot[data-color="3"]{--pair:#db2777;--pair-ink:#be185d}.block-order-slot[data-color="4"]{--pair:#059669;--pair-ink:#047857}.block-order-slot[data-color="5"]{--pair:#ea580c;--pair-ink:#c2410c}.block-order .block-order-track{flex-direction:column;gap:8px;margin:0 0 16px;padding:0;list-style:none;display:flex;position:relative}.block-order .block-order-slot{align-items:stretch;gap:10px;margin:0;padding:0;display:flex;position:relative}.block-order .block-order-slot:not(:last-child):before{content:"";background:var(--ix-line);border-radius:2px;width:2px;transition:background-color .24s;position:absolute;top:32px;bottom:-8px;left:15px}.block-order .block-order-slot.is-filled:not(:last-child):before{background:var(--pair)}.block-order-num{z-index:1;border:2px solid var(--ix-line);background:var(--bg-white,#fff);width:32px;height:32px;color:var(--text-primary);border-radius:50%;flex:none;place-items:center;margin-top:8px;font-size:.875rem;font-weight:800;transition:background-color .2s,border-color .2s,color .2s,box-shadow .2s;display:grid;position:relative}.block-order-slot.is-next .block-order-num{border-color:var(--ix-accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--ix-accent) 22%, transparent)}.block-order-slot.is-filled .block-order-num{border-color:var(--pair-ink);background:var(--pair-ink);color:#fff;animation:combo-pop .38s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-order-fill{border:1.5px dashed var(--ix-line);border-radius:12px;flex:1;min-width:0;min-height:48px;transition:border-color .2s;display:flex}.block-order-slot.is-next .block-order-fill{border-color:var(--ix-accent)}.block-order-slot.is-filled .block-order-fill{border:0}.block-order-pool{flex-wrap:wrap;gap:8px;display:flex}.block-order.is-done .block-order-pool{display:none}.block-order-chip{border:1px solid var(--ix-line);background:var(--bg-white,#fff);max-width:100%;min-height:48px;box-shadow:var(--match-shadow);color:var(--text-primary);font:inherit;text-align:left;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform .16s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), box-shadow .2s var(--ease-out,cubic-bezier(.23, 1, .32, 1)), border-color .16s ease, background-color .2s ease;border-radius:12px;align-items:center;padding:10px 14px;font-size:.9375rem;font-weight:600;line-height:1.35;display:flex}.block-order-text{overflow-wrap:break-word;min-width:0}.block-order-chip .katex{font-size:1.2em}.block-order-chip:active:not(:disabled){transform:scale(.97)}@media (hover:hover) and (pointer:fine){.block-order-chip:hover:not(:disabled){border-color:var(--ix-accent);box-shadow:var(--match-shadow-up)}}.block-order-chip:focus-visible{outline:2px solid var(--ix-accent);outline-offset:2px}.block-order-chip.is-wrong{border-color:var(--ix-no);background:var(--ix-no-bg);animation:match-nope .3s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-order-chip.is-placed{border:1.5px solid var(--pair);background:var(--ix-ok-bg,#f0fdf4);background:color-mix(in srgb, var(--pair) 12%, var(--bg-white,#fff));width:100%;box-shadow:none;cursor:default;flex:1}[data-theme=dark] .block-order-chip.is-placed{background:color-mix(in srgb, var(--pair) 20%, var(--bg-white,#1c1c26))}.block-order-feedback{color:var(--text-primary);margin:14px 0 0;font-size:.875rem}.block-order.is-done{border-color:var(--ix-ok);animation:reto-settle .32s var(--ease-out,cubic-bezier(.23, 1, .32, 1))}.block-order.is-done .block-order-track{margin-bottom:0}.block-order.is-done 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