@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_AMS-Regular.BQhdFMY1.woff2)format("woff2"),url(/abacus/_astro/KaTeX_AMS-Regular.DMm9YOAa.woff)format("woff"),url(/abacus/_astro/KaTeX_AMS-Regular.DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/abacus/_astro/KaTeX_Caligraphic-Bold.Dq_IR9rO.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Caligraphic-Bold.BEiXGLvX.woff)format("woff"),url(/abacus/_astro/KaTeX_Caligraphic-Bold.ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Caligraphic-Regular.Di6jR-x-.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Caligraphic-Regular.CTRA-rTL.woff)format("woff"),url(/abacus/_astro/KaTeX_Caligraphic-Regular.wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/abacus/_astro/KaTeX_Fraktur-Bold.CL6g_b3V.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Fraktur-Bold.BsDP51OF.woff)format("woff"),url(/abacus/_astro/KaTeX_Fraktur-Bold.BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Fraktur-Regular.CTYiF6lA.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Fraktur-Regular.Dxdc4cR9.woff)format("woff"),url(/abacus/_astro/KaTeX_Fraktur-Regular.CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/abacus/_astro/KaTeX_Main-Bold.Cx986IdX.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Main-Bold.Jm3AIy58.woff)format("woff"),url(/abacus/_astro/KaTeX_Main-Bold.waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/abacus/_astro/KaTeX_Main-BoldItalic.DxDJ3AOS.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Main-BoldItalic.SpSLRI95.woff)format("woff"),url(/abacus/_astro/KaTeX_Main-BoldItalic.DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/abacus/_astro/KaTeX_Main-Italic.NWA7e6Wa.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Main-Italic.BMLOBm91.woff)format("woff"),url(/abacus/_astro/KaTeX_Main-Italic.3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Main-Regular.B22Nviop.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Main-Regular.Dr94JaBh.woff)format("woff"),url(/abacus/_astro/KaTeX_Main-Regular.ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/abacus/_astro/KaTeX_Math-BoldItalic.CZnvNsCZ.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Math-BoldItalic.iY-2wyZ7.woff)format("woff"),url(/abacus/_astro/KaTeX_Math-BoldItalic.B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/abacus/_astro/KaTeX_Math-Italic.t53AETM-.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Math-Italic.DA0__PXp.woff)format("woff"),url(/abacus/_astro/KaTeX_Math-Italic.flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/abacus/_astro/KaTeX_SansSerif-Bold.D1sUS0GD.woff2)format("woff2"),url(/abacus/_astro/KaTeX_SansSerif-Bold.DbIhKOiC.woff)format("woff"),url(/abacus/_astro/KaTeX_SansSerif-Bold.CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/abacus/_astro/KaTeX_SansSerif-Italic.C3H0VqGB.woff2)format("woff2"),url(/abacus/_astro/KaTeX_SansSerif-Italic.DN2j7dab.woff)format("woff"),url(/abacus/_astro/KaTeX_SansSerif-Italic.YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_SansSerif-Regular.DDBCnlJ7.woff2)format("woff2"),url(/abacus/_astro/KaTeX_SansSerif-Regular.CS6fqUqJ.woff)format("woff"),url(/abacus/_astro/KaTeX_SansSerif-Regular.BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Script-Regular.D3wIWfF6.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Script-Regular.D5yQViql.woff)format("woff"),url(/abacus/_astro/KaTeX_Script-Regular.C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Size1-Regular.mCD8mA8B.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Size1-Regular.C195tn64.woff)format("woff"),url(/abacus/_astro/KaTeX_Size1-Regular.Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Size2-Regular.Dy4dx90m.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Size2-Regular.oD1tc_U0.woff)format("woff"),url(/abacus/_astro/KaTeX_Size2-Regular.B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/abacus/_astro/KaTeX_Size3-Regular.CTq5MqoE.woff)format("woff"),url(/abacus/_astro/KaTeX_Size3-Regular.DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Size4-Regular.Dl5lxZxV.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Size4-Regular.BF-4gkZK.woff)format("woff"),url(/abacus/_astro/KaTeX_Size4-Regular.DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Typewriter-Regular.CO6r4hn1.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Typewriter-Regular.C0xS9mPB.woff)format("woff"),url(/abacus/_astro/KaTeX_Typewriter-Regular.D3Ib7_Hf.ttf)format("truetype")}:root{--ci-font:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--ci-accent:#1f5eea;--ci-series-1:#1f5eea;--ci-series-2:#e0620e;--ci-series-3:#8b3fd1;--ci-good:#0e9f6e;--ci-warning:#8a4b08;--ci-text:#15181c;--ci-surface:#fff;--ci-page:#f3f4f6;--ci-accent-dark:#7eaaff;--ci-series-1-dark:#7eaaff;--ci-series-2-dark:#f39b5b;--ci-series-3-dark:#c69be6;--ci-good-dark:#4fd1a1;--ci-warning-dark:#f5c38a;--ci-text-dark:#e8eaed;--ci-surface-dark:#16191d;--ci-page-dark:#0f1215;--brand-accent:var(--ci-accent);--brand-series-1:var(--ci-series-1);--brand-series-2:var(--ci-series-2);--brand-series-3:var(--ci-series-3);--brand-good:var(--ci-good);--brand-warning:var(--ci-warning);--brand-text:var(--ci-text);--brand-surface:var(--ci-surface);--brand-page:var(--ci-page)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--brand-accent:var(--ci-accent-dark);--brand-series-1:var(--ci-series-1-dark);--brand-series-2:var(--ci-series-2-dark);--brand-series-3:var(--ci-series-3-dark);--brand-good:var(--ci-good-dark);--brand-warning:var(--ci-warning-dark);--brand-text:var(--ci-text-dark);--brand-surface:var(--ci-surface-dark);--brand-page:var(--ci-page-dark);--ab-shadow:0 1px 2px #0000004d, 0 8px 24px -8px #0006}}:root[data-theme=dark]{--brand-accent:var(--ci-accent-dark);--brand-series-1:var(--ci-series-1-dark);--brand-series-2:var(--ci-series-2-dark);--brand-series-3:var(--ci-series-3-dark);--brand-good:var(--ci-good-dark);--brand-warning:var(--ci-warning-dark);--brand-text:var(--ci-text-dark);--brand-surface:var(--ci-surface-dark);--brand-page:var(--ci-page-dark);--ab-shadow:0 1px 2px #0000004d, 0 8px 24px -8px #0006}:root{--ab-font:var(--ci-font);--ab-bg:var(--brand-surface);--ab-text:var(--brand-text);--ab-muted:color-mix(in srgb, var(--brand-text) 70%, var(--brand-surface));--ab-faint:color-mix(in srgb, var(--brand-text) 50%, var(--brand-surface));--ab-line:color-mix(in srgb, var(--brand-text) 10%, var(--brand-surface));--ab-line-strong:color-mix(in srgb, var(--brand-text) 20%, var(--brand-surface));--ab-track:color-mix(in srgb, var(--brand-text) 12%, var(--brand-surface));--ab-panel:color-mix(in srgb, var(--brand-text) 3.5%, var(--brand-surface));--ab-hover:color-mix(in srgb, var(--brand-text) 5.5%, var(--brand-surface));--ab-accent:var(--brand-accent);--ab-accent-soft:color-mix(in srgb, var(--brand-accent) 10%, var(--brand-surface));--ab-mark:var(--brand-good);--ab-mark-soft:color-mix(in srgb, var(--brand-good) 16%, transparent);--ab-warn:var(--brand-warning);--ab-warn-soft:color-mix(in srgb, var(--brand-warning) 10%, var(--brand-surface));--ab-page:var(--brand-page);--abacus-primary:var(--brand-series-1);--abacus-secondary:var(--brand-series-2);--abacus-tertiary:var(--brand-series-3);--abacus-reference:color-mix(in srgb, var(--brand-text) 78%, var(--brand-surface));--abacus-ghost:color-mix(in srgb, var(--brand-text) 50%, var(--brand-surface));--abacus-annotation:color-mix(in srgb, var(--brand-text) 75%, var(--brand-surface));--abacus-grid:color-mix(in srgb, var(--brand-text) 6%, var(--brand-surface));--abacus-data:color-mix(in srgb, var(--brand-text) 88%, var(--brand-surface));--abacus-axis:color-mix(in srgb, var(--brand-text) 38%, var(--brand-surface));--abacus-tick:color-mix(in srgb, var(--brand-text) 62%, var(--brand-surface));--ab-radius:2px;--ab-shadow:0 1px 3px #1018280f, 0 18px 40px -18px #1018282e}.ab-applet{font-family:var(--ab-font);color:var(--ab-text);background:var(--ab-bg);border:1px solid var(--ab-line);border-radius:var(--ab-radius);box-shadow:var(--ab-shadow);font-size:14px;line-height:1.4;overflow:hidden;container-type:inline-size}.ab-applet *,.ab-applet :before,.ab-applet :after{box-sizing:border-box}.ab-applet button{font:inherit;color:inherit;cursor:pointer}.ab-applet button:disabled{cursor:default}.ab-applet :focus-visible{outline:2px solid var(--ab-accent);outline-offset:2px}.ab-head{justify-content:space-between;align-items:flex-start;gap:12px;padding:16px 20px 0;display:flex}.ab-title{letter-spacing:-.01em;margin:0;font-size:15px;font-weight:600}.ab-sub{color:var(--ab-muted);margin:2px 0 0;font-size:13px}.ab-icon{border-radius:var(--ab-radius);width:30px;height:30px;color:var(--ab-faint);flex:none;place-items:center;margin:-4px -6px 0 0;display:inline-grid}button.ab-icon{background:0 0;border:0;padding:0}.ab-icon:hover{background:var(--ab-hover);color:var(--ab-text)}.ab-body{grid-template-columns:minmax(0,1fr);display:grid}.ab-stage{min-width:0;padding:8px 14px 14px}.ab-panel{border-top:1px solid var(--ab-line);flex-direction:column;display:flex}.ab-toolbar{border-bottom:1px solid var(--ab-line);flex-wrap:wrap;align-items:center;gap:8px 6px;padding:12px 20px;display:flex}.ab-panel-section{padding:16px 20px 18px}.ab-panel-section+.ab-panel-section{border-top:1px solid var(--ab-line)}.ab-section-title{letter-spacing:.06em;text-transform:uppercase;color:var(--ab-faint);margin:0 0 12px;font-size:10.5px;font-weight:600;line-height:1.2}.ab-figures{grid-template-columns:minmax(0,1fr);gap:4px 20px;display:grid}@container (width>=600px){.ab-figures[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}.ab-controls{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px 32px!important;display:grid!important}.ab-stats{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2px 16px;display:grid!important}.ab-stat+.ab-stat{margin-top:0}}@container (width>=1060px){.ab-body{grid-template-columns:minmax(0,1fr) 320px}.ab-panel{border-top:0;border-left:1px solid var(--ab-line)}.ab-controls{flex-direction:column;gap:18px!important;display:flex!important}.ab-stats{display:block!important}}.ab-toolbar>.ab-undo{margin-right:auto}.ab-undo,.ab-aktionen{border:1px solid var(--ab-line);border-radius:var(--ab-radius);background:var(--ab-bg);display:inline-flex;overflow:hidden}.ab-toolbar .ab-tool{width:30px;height:28px;color:var(--ab-muted);border-radius:0}.ab-toolbar .ab-tool+.ab-tool{border-left:1px solid var(--ab-line)}.ab-toolbar .ab-tool:hover:not(:disabled){background:var(--ab-hover);color:var(--ab-text)}.ab-undo .ab-tool:disabled{opacity:.3}.ab-toolbar .ab-tool.ab-copy[data-done]{background:var(--ab-mark-soft);color:var(--ab-mark)}.ab-textbtn{background:0 0;border:0;padding:0;color:var(--ab-accent)!important;font-size:12px!important}.ab-textbtn:hover{text-underline-offset:2px;text-decoration:underline}.ab-muted{color:var(--ab-muted)}.ab-note,.ab-error{color:var(--ab-muted);margin:12px 0 0;font-size:12.5px}.ab-error{color:#b42318}.ab-locked{border-radius:var(--ab-radius);background:repeating-linear-gradient(-45deg, var(--ab-panel), var(--ab-panel) 10px, var(--ab-bg) 10px, var(--ab-bg) 20px);min-height:340px;color:var(--ab-muted);text-align:center;align-content:center;place-items:center;gap:10px;margin-top:8px;padding:24px;display:grid}.ab-locked p{border-radius:var(--ab-radius);background:var(--ab-bg);margin:0;padding:6px 12px}.ab-applet[data-vortrag]{z-index:900;box-shadow:none;border:0;border-radius:0;position:fixed;inset:0;overflow:auto}.ab-applet[data-vortrag]>.ab-head,.ab-applet[data-vortrag]>.ab-body{zoom:var(--ab-vortrag,1)}.ab-applet[data-vortrag]>.ab-head{padding-bottom:6px}.ab-applet[data-vortrag] .ab-title{font-size:18px}.ab-applet:fullscreen::backdrop{background:var(--ab-bg)}.ab-dialog{border:1px solid var(--ab-line);border-radius:var(--ab-radius);background:var(--ab-bg);max-width:min(560px,100vw - 32px);color:var(--ab-text);font:14px/1.4 var(--ab-font);padding:14px 18px 18px;box-shadow:0 24px 60px -12px #10182859}.ab-dialog::backdrop{background:#10182866}.ab-dialog-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;display:flex}.ab-dialog-head .ab-section-title{margin:0}.ab-dialog-close{width:28px;height:28px;color:var(--ab-muted);background:0 0;border:0;border-radius:50%;place-items:center;margin:-4px -6px -4px 0;padding:0;display:inline-grid}.ab-dialog-close:hover{background:var(--ab-hover);color:var(--ab-text)}.ab-qr-body{justify-items:center;gap:4px;display:grid}.ab-qr{border:1px solid var(--ab-line);width:min(360px,100vw - 80px,100vh - 220px);height:auto;margin-bottom:8px;display:block}.ab-qr-url{word-break:break-all;text-align:center;margin:0;font-weight:600}.ab-dialog-note{color:var(--ab-muted);margin:0;font-size:13px}.ab-hilfe-gruppen{gap:14px;display:grid}.ab-hilfe-gruppen h4{margin:0 0 6px;font-size:13px;font-weight:650}.ab-tasten{grid-template-columns:minmax(110px,auto) 1fr;align-items:center;gap:6px 14px;font-size:13px;display:grid}.ab-tasten .ab-tipcard-keys{color:var(--ab-muted);justify-content:flex-end}.ab-tasten .ab-tipcard-what{color:var(--ab-text)}.ab-tasten kbd{border:1px solid var(--ab-line);border-radius:var(--ab-radius);background:var(--ab-panel);min-width:20px;color:var(--ab-text);font:600 11.5px/16px var(--ab-font);text-align:center;border-bottom-width:2px;padding:1px 5px}.ab-tasten .ab-tipcard-icon{border-radius:var(--ab-radius);background:var(--ab-panel);width:22px;height:19px;color:var(--ab-text);justify-content:center;align-items:center;display:inline-flex}.ab-tasten .ab-tipcard-plus{opacity:.5;font-size:11px}.ab-figure{min-width:0;margin:0}.ab-figures{align-items:stretch}.ab-figure{background:var(--ab-bg);border:1px solid var(--ab-line);border-radius:var(--ab-radius);flex-direction:column;padding:10px 12px 6px;display:flex}html.js .ab-figure-inner:not([data-ready])>*{opacity:0}.ab-figure-inner>*{transition:opacity .15s ease-out}.ab-figure-inner{margin:0 auto;position:relative}.ab-layer{position:absolute;inset:0;overflow:visible}.ab-top{pointer-events:none}.ab-figure figcaption{color:var(--ab-muted);flex-wrap:wrap;justify-content:center;gap:4px 18px;font-size:12.5px;display:flex}.ab-fighead{justify-content:space-between;align-items:center;gap:4px 12px;min-height:30px;padding:0 2px 4px;display:flex;position:relative}.ab-figtitle{letter-spacing:-.01em;color:var(--ab-text);align-items:center;gap:7px;font-size:14px;font-weight:650;display:inline-flex}.ab-figtitle:before{content:"";background:var(--ab-accent);border-radius:50%;width:8px;height:8px}.ab-figlegend{flex-wrap:wrap;justify-content:center;align-items:center;gap:2px 10px;padding:6px 4px 2px;display:flex}.ab-figlegend .ab-legend-item{font-size:12px}.ab-figactions{z-index:2;gap:6px;display:flex;position:absolute}.ab-figaction{border:1px solid var(--ab-line);background:var(--ab-bg);min-width:24px;height:24px;color:var(--ab-muted);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:3px;padding:0 5px;display:inline-flex}.ab-figaction:hover{color:var(--ab-accent);border-color:color-mix(in srgb, var(--ab-accent) 40%, var(--ab-line));background:var(--ab-accent-soft)}.ab-axis-fit{z-index:3;border:1.5px solid var(--ab-accent);background:var(--ab-bg);width:26px;height:26px;color:var(--ab-accent);cursor:pointer;border-radius:50%;place-items:center;padding:0;display:grid;position:absolute;transform:translate(-50%,-50%);box-shadow:0 2px 8px -2px #10182840}.ab-axis-fit:hover{background:var(--ab-accent);color:var(--ab-bg)}.ab-axis-fit[data-overflow]{animation:1.4s ease-out 4 ab-axis-pulse}@keyframes ab-axis-pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb, var(--ab-accent) 45%, transparent)}to{box-shadow:0 0 0 12px #0000}}@media (prefers-reduced-motion:reduce){.ab-axis-fit[data-overflow]{animation:none}}.ab-figaction-n{font-variant-numeric:tabular-nums;font-size:11px;font-weight:650}.ab-legend{flex-wrap:wrap;justify-content:center;gap:2px;display:flex}.ab-legend-item{color:var(--ab-muted);align-items:center;gap:6px;font-size:12.5px;display:inline-flex}button.ab-legend-item{border-radius:var(--ab-radius);background:0 0;border:0;height:26px;padding:0 8px 0 6px;transition:background .12s,opacity .12s}.ab-pill{border-radius:var(--ab-radius);background:var(--ab-panel);border:0;align-items:center;gap:5px;height:26px;padding:0 10px 0 8px;display:inline-flex;color:var(--ab-muted)!important;font-size:12.5px!important}.ab-pill:hover{background:var(--ab-accent-soft);color:var(--ab-accent)!important}.ab-fig-hint{color:var(--ab-faint);font-size:12px}.ab-legend-ghost{color:var(--ab-muted)}.ab-legend-x{color:var(--ab-faint);margin-left:2px;font-size:14px;line-height:1}.ab-compare[aria-pressed=true]{font-weight:600}.ab-legend-name{color:var(--ab-muted);margin-left:-2px;font-size:12px}button.ab-legend-item:hover{background:var(--ab-hover);color:var(--ab-text)}button.ab-legend-item[aria-pressed=false]{opacity:.4}button.ab-legend-item[aria-pressed=false] .katex{text-decoration:line-through}.ab-axis-switch{z-index:3;align-items:center;gap:4px;display:inline-flex;position:relative}.ab-seg{border-radius:var(--ab-radius);background:var(--ab-panel);flex:none;padding:2px;display:inline-flex}.ab-seg button{border-radius:var(--ab-radius);background:0 0;border:0;height:22px;padding:0 8px;color:var(--ab-muted)!important;font-size:12px!important}.ab-seg button[aria-pressed=true]{background:var(--ab-bg);font-weight:600;box-shadow:0 1px 2px #10182826;color:var(--ab-text)!important}@media (pointer:coarse){.ab-seg button{height:32px}}.ab-help-btn{background:var(--ab-panel);width:22px;height:22px;color:var(--ab-muted);border:0;border-radius:50%;place-items:center;padding:0;font-weight:700;display:inline-grid;font-size:12px!important}.ab-help-btn:hover,.ab-help-btn[aria-expanded=true]{background:var(--ab-accent-soft);color:var(--ab-accent)}.ab-help{z-index:5;border-radius:var(--ab-radius);background:var(--ab-bg);width:min(320px,80vw);box-shadow:0 0 0 1px var(--ab-line), 0 12px 32px -10px #10182859;color:var(--ab-text);padding:12px 14px;font-size:13px;line-height:1.5;position:absolute;top:calc(100% + 6px);right:0}.ab-help p{color:var(--ab-muted);margin:6px 0 0}.ab-swatch{border-radius:3px;width:12px;height:12px}.ab-legend-hint{color:var(--ab-faint)}.ab3d-contour,.ab3d-marker{stroke:var(--ab-text)}.ab-figure-3d .ab-figure-inner:active{cursor:grabbing!important}.abacus-grid{stroke:var(--abacus-grid)}.abacus-zero{stroke:var(--abacus-axis);stroke-opacity:.55}.abacus-axis{stroke:var(--abacus-axis)}.abacus-axis-arrow{fill:var(--abacus-axis)}.abacus-factor-bg{fill:var(--ab-panel);stroke:var(--ab-line-strong);stroke-width:1px}.abacus-factor-text{fill:var(--ab-text);font-size:1.05em;font-weight:600}.abacus-tick{fill:var(--abacus-tick);font-variant-numeric:tabular-nums}.abacus-axis-label{fill:var(--ab-text);font-size:1.15em}.abacus-math-var{font-family:KaTeX_Math,Latin Modern Math,Cambria Math,Times New Roman,serif;font-style:italic}.abacus-math-op{font-family:KaTeX_Main,Latin Modern Roman,Cambria,Times New Roman,serif}.ab-data{transition:opacity .18s}.ab-figure[data-spot] .ab-data{opacity:.28}.ab-handle-dot{fill:var(--ab-bg);stroke:var(--abacus-secondary);stroke-width:2.5px;transition:stroke-width .12s}.ab-handle-ring{fill:var(--abacus-secondary);opacity:0;transform-box:fill-box;transform-origin:50%;transition:opacity .15s}.ab-handle:hover .ab-handle-ring{opacity:.14}.ab-handle-arrows{fill:var(--abacus-secondary);opacity:0;transition:opacity .15s}.ab-handle:hover .ab-handle-arrows,.ab-handle[data-hot] .ab-handle-arrows{opacity:.7}@media (pointer:coarse){.ab-handle-arrows{opacity:.55}}.ab-guide{fill:none;stroke:var(--abacus-secondary);stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round;opacity:.85;transition:opacity .15s,stroke-width .15s}.ab-guide-fill{fill:color-mix(in srgb, var(--abacus-secondary) 10%, transparent);stroke:none}.ab-guide[data-hot]{opacity:1;stroke-width:2.25px}.ab-guide[data-hot] .ab-guide-fill{fill:color-mix(in srgb, var(--abacus-secondary) 18%, transparent)}.ab-guide-label{z-index:1;border:1px solid color-mix(in srgb, var(--abacus-secondary) 28%, transparent);border-radius:var(--ab-radius);background:color-mix(in srgb, var(--abacus-secondary) 7%, var(--ab-bg));color:var(--abacus-secondary);white-space:nowrap;pointer-events:none;padding:0 5px;font-size:13px;line-height:1.3;transition:background .15s;position:absolute}.ab-guide-label[data-plain]{background:color-mix(in srgb, var(--ab-bg) 85%, transparent);border-color:#0000}.ab-guide-label[data-hot]{background:color-mix(in srgb, var(--abacus-secondary) 16%, var(--ab-bg))}.ab-guide-label[data-side=right]{transform:translate(5px,-50%)}.ab-guide-label[data-side=left]{transform:translate(calc(-100% - 5px),-50%)}.ab-guide-label[data-side=below]{transform:translate(-50%,3px)}.ab-guide-label[data-side=above]{transform:translate(-50%,calc(-100% - 3px))}.ab-handle-label{z-index:1;border-radius:var(--ab-radius);background:color-mix(in srgb, var(--ab-bg) 80%, transparent);color:var(--abacus-secondary);white-space:nowrap;pointer-events:none;padding:0 4px;font-size:13px;line-height:1.3;position:absolute;transform:translate(12px,calc(-100% - 6px))}.ab-handle-label[data-flip]{transform:translate(calc(-100% - 12px),calc(-100% - 6px))}.ab-handle-label[data-below]{transform:translate(12px,6px)}.ab-handle-label[data-flip][data-below]{transform:translate(calc(-100% - 12px),6px)}.ab-param-wrap{border-radius:var(--ab-radius);margin:-6px -8px;padding:6px 8px;transition:background .15s}.ab-param-wrap[data-hot]{background:var(--ab-accent-soft)}.ab-handle:hover .ab-handle-dot{stroke-width:3.5px}.ab-handle[data-hot] .ab-handle-ring{animation:1.1s ease-out infinite ab-pulse}@keyframes ab-pulse{0%{opacity:.35;transform:scale(.6)}to{opacity:0;transform:scale(1.6)}}.ab-mark-line{stroke:var(--ab-mark);stroke-width:2.25px;stroke-linecap:round}.ab-mark-guide{stroke:var(--ab-mark);stroke-width:1.25px;stroke-dasharray:3 4;opacity:.8}.ab-mark-dot{fill:var(--ab-bg);stroke:var(--ab-mark);stroke-width:2.5px}.ab-mark-halo{fill:var(--ab-mark-soft)}.ab-top>line,.ab-top>circle,.ab-top>path{animation:.18s ease-out ab-in}@keyframes ab-in{0%{opacity:0}}.ab-probe-line{stroke:var(--ab-text);stroke-opacity:.18;stroke-width:1px}.ab-probe-dot{fill:var(--c,var(--abacus-primary));stroke:var(--ab-bg);stroke-width:2.5px;filter:drop-shadow(0 1px 2px #00000040)}.ab-probe-step{fill:none;stroke:var(--abacus-secondary);stroke-width:3px;stroke-linejoin:round;stroke-linecap:round}.ab-tip{z-index:2;border-radius:var(--ab-radius);color:#fff;white-space:nowrap;font-variant-numeric:tabular-nums;pointer-events:none;backdrop-filter:blur(6px);background:#14171ce0;gap:1px;padding:6px 10px;font-size:12.5px;line-height:1.35;display:grid;position:absolute;transform:translate(-50%,calc(-100% - 14px));box-shadow:0 6px 20px -6px #00000059}.ab-tip[data-below]{transform:translate(-50%,16px)}.ab-tip-row{align-items:baseline;gap:5px;display:flex}.ab-tip-row:first-child:not(:only-child){opacity:.7}.ab-tip .katex{font-size:1.08em}.ab-tip-eq{opacity:.6}.ab-tip-val{font-weight:600}html[data-werte=aus] .ab-tip[data-kind=probe],html[data-werte=aus] .ab-probe-line,html[data-werte=aus] .ab-probe-dot,html[data-werte=aus] .ab-probe-step{display:none}.ab-span-end rect{fill:var(--ab-bg);opacity:.45}.ab-span-end line{stroke:var(--ab-muted);stroke-dasharray:3 3;stroke-width:1px}.ab-farbskala{color:var(--ab-muted);align-items:center;gap:6px;font-size:12px;display:inline-flex}.ab-farbskala-bar{background:linear-gradient(90deg, var(--ab-bg), var(--abacus-primary), var(--abacus-secondary));width:72px;height:9px;box-shadow:inset 0 0 0 1px var(--ab-line);border-radius:3px}.ab-farbskala-zahl{font-variant-numeric:tabular-nums}.ab-szenarien{flex-wrap:wrap;gap:6px;display:flex}.ab-szenario-text{color:var(--ab-muted);margin:10px 0 0;font-size:13px;line-height:1.45}.ab-szenario[aria-pressed=true]{background:var(--ab-accent-soft);color:var(--ab-accent);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--ab-accent) 40%, transparent)}.ab-tempo{border:1px solid var(--ab-line);border-radius:var(--ab-radius);cursor:ew-resize;touch-action:none;user-select:none;background:var(--ab-bg);min-width:38px;height:26px;color:var(--ab-muted);font:600 12px var(--ab-font);font-variant-numeric:tabular-nums;cursor:pointer;padding:0 6px}.ab-tempo:hover{color:var(--ab-text);border-color:var(--ab-line-strong)}.ab-tipcard{z-index:1000;border-radius:var(--ab-radius);color:#f3f4f6;max-width:min(300px,100vw - 16px);font:500 12.5px/1.4 var(--ab-font);pointer-events:none;background:#16191ff0;border:1px solid #ffffff14;padding:7px 11px;animation:.14s ease-out ab-tipcard-in;position:fixed;box-shadow:0 6px 24px #0000002e,0 1px 3px #0003}.ab-tipcard[hidden]{display:none!important}.ab-tipcard[data-rows]{grid-template-columns:auto auto;align-items:center;gap:6px 12px;padding:9px 12px;display:grid}.ab-tipcard-keys{white-space:nowrap;justify-content:flex-end;align-items:center;gap:3px;display:flex}.ab-tipcard-what{color:#f3f4f6d1}.ab-tipcard kbd{min-width:20px;font:600 11.5px/16px var(--ab-font);text-align:center;background:#ffffff1a;border:1px solid #ffffff2e;border-bottom-width:2px;border-radius:5px;padding:1px 5px}.ab-tipcard-icon{background:#ffffff1a;border-radius:5px;justify-content:center;align-items:center;width:22px;height:19px;display:inline-flex}.ab-tipcard-plus{opacity:.5;font-size:11px}@keyframes ab-tipcard-in{0%{opacity:0;transform:translateY(2px)}}@media (prefers-reduced-motion:reduce){.ab-tipcard{animation:none}}.ab-model{border-radius:var(--ab-radius);background:var(--ab-panel);align-items:flex-start;gap:16px;margin:4px 0 12px;padding:14px 14px 14px 20px;display:flex}.ab-formulas{flex:auto;justify-content:flex-start;min-width:0;display:flex}.ab-eqs{--ab-col-gap:2.8em;grid-template-columns:var(--ab-wide-cols);width:100%;color:var(--ab-text);align-items:baseline;row-gap:3px;font-size:17px;line-height:1.6;display:grid}.ab-eqs>*{grid-column:var(--wc);grid-row:var(--wr)}.ab-eqs .katex{font-size:1.12em}.ab-eq-title{letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;color:var(--ab-faint);place-self:end start;padding-bottom:2px;font-size:.62em;font-weight:600;line-height:1.2}.ab-eq-lhs{white-space:nowrap;justify-self:end}.ab-eq-rel{justify-self:center;padding:0 .32em}.ab-eq-rhs,.ab-eq-whole{white-space:nowrap;justify-self:start}.ab-dual{display:inline-grid}.ab-dual>*{grid-area:1/1;transition:opacity .18s,visibility .18s}.ab-eq-lhs .ab-dual>*{justify-self:end}.ab-eq-rhs .ab-dual>*,.ab-eq-whole .ab-dual>*{justify-self:start}.ab-eqs[data-mode=symbole] [data-v=zahlen],.ab-eqs[data-mode=zahlen] [data-v=symbole]{opacity:0;visibility:hidden}.ab-values-title,.ab-values-cell{justify-self:center}.ab-values-cell{align-self:center}.ab-eq-bracket{pointer-events:none;place-self:stretch stretch;margin:.1em 0;position:relative}.ab-eq-bracket:before,.ab-eq-bracket:after{content:"";border:.085em solid;width:.38em;position:absolute;top:0;bottom:0}.ab-eq-bracket:before{border-right:0;border-radius:100% 0 0 100%/50% 0 0 50%;left:0}.ab-eq-bracket:after{border-left:0;border-radius:0 100% 100% 0/0 50% 50% 0;right:0}.ab-eqs>.ab-eq-entry{justify-self:center;padding:0 .6em}.ab-eqs>.ab-eq-vecflat{display:none}.ab-eqs[data-stacked]>.ab-eq-vecflat{align-self:center;display:block}.ab-eqs[data-stacked]>.ab-eq-entry,.ab-eqs[data-stacked]>.ab-eq-bracket{display:none}.ab-eqs>.ab-eq-tall{align-self:center}.ab-formulas [data-param]{z-index:1;background:var(--ab-accent-soft);color:var(--ab-accent);box-shadow:inset 0 -1.5px 0 color-mix(in srgb, var(--ab-accent) 45%, transparent);cursor:ew-resize;touch-action:none;border-radius:.28em;margin:0 .02em;padding:0 .14em;transition:background .12s,color .12s;display:inline-block;position:relative}.ab-formulas [data-param][role=button]{cursor:pointer}.ab-formulas [data-param]:hover,.ab-formulas [data-param][data-hot],.ab-formulas [data-param]:focus-visible{background:var(--ab-accent);color:var(--ab-bg);box-shadow:none;outline:none}.ab-values{background:0 0;border:0;flex:none;align-items:center;gap:8px;padding:0;display:inline-flex}.ab-values-track{border-radius:var(--ab-radius);background:var(--ab-bg);width:88px;height:34px;box-shadow:inset 0 0 0 1px var(--ab-line-strong);grid-template-columns:1fr 1fr;padding:3px;display:inline-grid;position:relative}.ab-values-knob{border-radius:var(--ab-radius);background:var(--ab-accent);width:calc(50% - 3px);height:28px;transition:transform .18s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #10182840}.ab-values[aria-checked=true] .ab-values-knob{transform:translate(100%)}.ab-values-opt{font-variant-numeric:tabular-nums;color:var(--ab-muted);place-items:center;font-size:14px;font-weight:600;transition:color .18s;display:grid;position:relative}.ab-values-sym{font-family:KaTeX_Math,Times New Roman,serif;font-size:18px;font-style:italic;font-weight:400}.ab-values[aria-checked=false] .ab-values-sym,.ab-values[aria-checked=true] .ab-values-num{color:var(--ab-bg)}@media (pointer:coarse){.ab-values-track{width:96px;height:40px}.ab-values-knob{height:34px}}.ab-eqs[data-stacked]{grid-template-columns:auto auto 1fr}.ab-eqs[data-stacked]>*,.ab-eqs[data-stacked]>.ab-eq-tall{grid-column:var(--nc);grid-row:var(--nr);align-self:baseline}.ab-eqs[data-stacked]>.ab-eq-title:not(:first-child){padding-top:10px}.ab-eqs[data-stacked]>.ab-values-title,.ab-eqs[data-stacked]>.ab-values-cell{justify-self:end}@container (width<=599px){.ab-model{padding:10px 12px 12px}.ab-eqs>.ab-values-title,.ab-eqs>.ab-values-cell{justify-self:end}.ab-eqs>.ab-eq-vecflat{align-self:center;display:block}.ab-eqs>.ab-eq-entry,.ab-eqs>.ab-eq-bracket{display:none}.ab-eqs{grid-template-columns:auto auto auto;font-size:15px}.ab-eqs>*,.ab-eqs>.ab-eq-tall{grid-column:var(--nc);grid-row:var(--nr);align-self:baseline}.ab-eq-title:not(:first-child){padding-top:10px}}.ab-timeline{background:var(--ab-panel);border-radius:999px;flex-wrap:wrap;align-items:center;gap:4px;max-width:640px;margin:10px auto 0;padding:6px 14px 6px 6px;font-size:13px;display:flex}.ab-play{background:var(--ab-accent);width:34px;height:34px;box-shadow:0 2px 6px -2px var(--ab-accent);border:0;border-radius:50%;flex:none;place-items:center;padding:0 0 0 1px;transition:transform .12s;display:inline-grid;color:var(--ab-bg)!important}.ab-play:disabled,.ab-scrub:disabled{opacity:.35}.ab-play:hover:not(:disabled){transform:scale(1.06)}.ab-play:active{transform:scale(.96)}.ab-stepbtn{width:28px;height:28px;color:var(--ab-muted);background:0 0;border:0;border-radius:50%;flex:none;place-items:center;display:inline-grid}.ab-stepbtn:hover:not(:disabled){background:var(--ab-hover);color:var(--ab-text)}.ab-stepbtn:disabled{opacity:.3}.ab-timeline-n{text-align:right;font-variant-numeric:tabular-nums;flex:none;margin-left:6px;font-weight:600}.ab-timeline-n .ab-muted{font-weight:400}.ab-timeline .ab-horizon{border-radius:var(--ab-radius);background:var(--ab-accent-soft);min-width:3ch;height:24px;color:var(--ab-accent);text-align:center;flex:none;margin:0 0 0 2px;padding:0 6px;font-size:13px}.ab-timeline .ab-horizon:hover{background:var(--ab-accent);color:var(--ab-bg)}.ab-timeline-max{font-variant-numeric:tabular-nums;flex:none}.ab-timeline-feedback{flex:1 0 100%;margin:4px 8px 2px}.ab-controls{flex-direction:column;gap:18px;display:flex}.ab-param{border:0;min-width:0;margin:0;padding:0;position:relative}.ab-param-head{align-items:center;gap:4px;width:100%;min-height:28px;padding:0;display:flex}.ab-label-param{cursor:default;flex:auto;align-items:baseline;gap:7px;min-width:0;display:flex}.ab-sym{flex:none;font-size:16px;line-height:1}.ab-sym .katex{font-size:1.12em}.ab-name{text-overflow:ellipsis;white-space:nowrap;color:var(--ab-muted);font-size:13px;overflow:hidden}.ab-name-only{color:var(--ab-text);font-size:14px}.ab-tools{opacity:0;gap:0;transition:opacity .12s;display:inline-flex}.ab-param:hover .ab-tools,.ab-param:focus-within .ab-tools,.ab-param[data-active] .ab-tools{opacity:1}.ab-tool{border-radius:var(--ab-radius);width:26px;height:26px;color:var(--ab-faint);background:0 0;border:0;place-items:center;padding:0;display:inline-grid}.ab-tool:hover{background:var(--ab-hover);color:var(--ab-text)}.ab-tool[aria-pressed=true]{background:var(--ab-accent-soft);color:var(--ab-accent)}.ab-value{flex:none;align-items:center;display:inline-flex}.ab-val{font:inherit;font-variant-numeric:tabular-nums;text-align:right;border-radius:var(--ab-radius);min-width:2.5ch;max-width:10ch;height:28px;color:var(--ab-text);cursor:text;background:0 0;border:1px solid #0000;margin-right:-6px;padding:0 6px;font-size:15px;font-weight:600}.ab-val:hover{background:var(--ab-hover)}.ab-val[data-scrub]:not(:focus){cursor:ew-resize}.ab-val[data-scrub=active]{background:var(--ab-accent-soft);color:var(--ab-accent)}.ab-val:focus{border-color:var(--ab-accent);background:var(--ab-bg);box-shadow:0 0 0 3px var(--ab-accent-soft);outline:none;margin-right:0}.ab-unit{color:var(--ab-muted);margin-left:8px;font-size:13px}.ab-nudge{display:none}.ab-point .ab-val{min-width:3ch;margin-right:0}.ab-sep{margin-right:2px}.ab-hint{color:var(--ab-faint);margin:2px 0 0;font-size:12px}html[data-hinweise=aus] .ab-hint{display:none}.ab-slider{padding-bottom:2px;position:relative}.ab-end{color:var(--ab-faint);font-variant-numeric:tabular-nums;opacity:0;pointer-events:none;font-size:11px;transition:opacity .12s;position:absolute;top:22px}.ab-end:first-child{left:0}.ab-end:last-child{right:0}.ab-param:hover .ab-end,.ab-param:focus-within .ab-end{opacity:1}.ab-range,.ab-scrub{--fill:.5;-webkit-appearance:none;appearance:none;cursor:pointer;background:0 0;width:100%;height:22px;margin:0;display:block}.ab-scrub{flex:60px;width:auto;min-width:60px}.ab-range:focus-visible,.ab-scrub:focus-visible{outline:none}.ab-range::-webkit-slider-runnable-track,.ab-scrub::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--ab-accent) calc(var(--fill) * 100%), var(--ab-track) 0);border-radius:2px;height:4px}.ab-range::-moz-range-track,.ab-scrub::-moz-range-track{background:var(--ab-track);border-radius:2px;height:4px}.ab-range::-moz-range-progress,.ab-scrub::-moz-range-progress{background:var(--ab-accent);border-radius:2px;height:4px}.ab-range::-webkit-slider-thumb,.ab-scrub::-webkit-slider-thumb{-webkit-appearance:none;background:#fff;border:0;border-radius:50%;width:16px;height:16px;margin-top:-6px;transition:box-shadow .12s;box-shadow:0 0 0 1px #10182824,0 1px 3px #10182838}.ab-range::-moz-range-thumb,.ab-scrub::-moz-range-thumb{background:#fff;border:0;border-radius:50%;width:16px;height:16px;box-shadow:0 0 0 1px #10182824,0 1px 3px #10182838}.ab-range:hover::-webkit-slider-thumb,.ab-range:active::-webkit-slider-thumb,.ab-scrub:hover::-webkit-slider-thumb,.ab-scrub:active::-webkit-slider-thumb{box-shadow:0 0 0 1px var(--ab-accent), 0 0 0 5px var(--ab-accent-soft), 0 1px 3px #10182838}.ab-range:focus-visible::-webkit-slider-thumb,.ab-scrub:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 2px var(--ab-accent), 0 0 0 6px var(--ab-accent-soft)}.ab-range:focus-visible::-moz-range-thumb{box-shadow:0 0 0 2px var(--ab-accent), 0 0 0 6px var(--ab-accent-soft)}.ab-range[data-outside]::-webkit-slider-thumb{background:var(--ab-accent-soft)}.ab-param[data-active] .ab-range::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--ab-accent) calc(var(--fill) * 100%), var(--ab-accent-soft) 0)}.ab-info{color:var(--ab-muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:baseline;gap:2px 10px;margin-top:4px;font-size:12px;display:flex}.ab-param:hover .ab-info,.ab-param:focus-within .ab-info{margin-top:18px}.ab-info-strong{color:var(--ab-accent);font-weight:600}.ab-feedback{border-radius:var(--ab-radius);background:var(--ab-warn-soft);color:var(--ab-warn);margin:6px 0 0;padding:7px 10px;font-size:12.5px;line-height:1.4}.ab-fieldset legend{float:left;margin-bottom:6px}.ab-choice{clear:both;border-radius:var(--ab-radius);background:var(--ab-panel);flex-wrap:wrap;gap:2px;padding:3px;display:flex}.ab-choice label{border-radius:var(--ab-radius);text-align:center;white-space:nowrap;color:var(--ab-muted);cursor:pointer;flex:auto;padding:4px 10px;font-size:13px}.ab-choice label:hover{color:var(--ab-text)}.ab-choice label[data-active]{background:var(--ab-bg);color:var(--ab-text);font-weight:600;box-shadow:0 1px 2px #1018281f}.ab-choice input{opacity:0;pointer-events:none;position:absolute}.ab-choice label:has(input:focus-visible){outline:2px solid var(--ab-accent)}.ab-switch{background:0 0;border:0;align-items:center;gap:8px;padding:0;font-size:13px;display:inline-flex}.ab-switch-text{color:var(--ab-muted)}.ab-switch-knob{background:var(--ab-track);border-radius:999px;width:32px;height:18px;transition:background .15s;position:relative}.ab-switch-knob:after{content:"";background:#fff;border-radius:50%;width:14px;height:14px;transition:transform .15s;position:absolute;top:2px;left:2px;box-shadow:0 1px 2px #0003}.ab-switch[aria-checked=true] .ab-switch-knob{background:var(--ab-accent)}.ab-switch[aria-checked=true] .ab-switch-knob:after{transform:translate(14px)}.ab-more{margin-top:16px}.ab-more summary{cursor:pointer;color:var(--ab-muted);font-size:13px}.ab-more[open] summary{margin-bottom:14px}.ab-stats{margin:0 -8px}.ab-stat{border-radius:var(--ab-radius);justify-content:space-between;align-items:center;gap:12px;min-height:38px;padding:6px 8px;transition:background .12s;display:flex}.ab-stat+.ab-stat{margin-top:2px}.ab-stat dt{min-width:0;color:var(--ab-muted);font-size:13px;line-height:1.35}.ab-stat dt .katex{color:var(--ab-text);pointer-events:none;font-size:1.05em}.ab-stat-info{text-decoration:underline dotted color-mix(in srgb, currentColor 45%, transparent);text-underline-offset:3px;cursor:help}.ab-stat-link{vertical-align:-1px;color:var(--ab-mark);opacity:.55;margin-left:5px;transition:opacity .12s}.ab-stat[data-linked]{cursor:pointer}.ab-stat[data-linked]:hover,.ab-stat[data-linked]:focus-visible,.ab-stat[data-active]{background:var(--ab-mark-soft);outline:none}.ab-stat[data-active] .ab-stat-link,.ab-stat[data-linked]:hover .ab-stat-link{opacity:1}.ab-stat[aria-pressed=true]{box-shadow:inset 0 0 0 1.5px var(--ab-mark)}.ab-stat dd{text-align:right;flex-wrap:wrap;justify-content:flex-end;align-items:baseline;gap:4px;margin:0;display:flex}.ab-chip{border-radius:var(--ab-radius);background:var(--ab-panel);font-variant-numeric:tabular-nums;white-space:nowrap;padding:2px 8px;font-size:13.5px;font-weight:600;transition:background .12s,color .12s}.ab-vektor{border-radius:var(--ab-radius);padding:1px 4px}.ab-vektor .katex,.ab-gleichung .katex{font-size:1.08em}.ab-vektor[data-active]{background:var(--ab-mark-soft)}.ab-gleichungen{grid-template-columns:auto auto auto;align-items:baseline;gap:1px 5px;display:grid}.ab-gleichung{display:contents}.ab-gleichung>:first-child{justify-self:end}.ab-gleichung>:last-child{justify-self:start}.ab-gleich{color:var(--ab-muted)}.ab-gleichung[data-active]>*{background:var(--ab-mark-soft)}.ab-stat[data-linked] .ab-chip{background:var(--ab-bg);box-shadow:inset 0 0 0 1px var(--ab-line)}.ab-stat[data-linked] .ab-chip[data-active]{background:var(--ab-mark);color:#fff;box-shadow:none}.ab-stat[data-kind=category] .ab-chip{background:var(--ab-accent-soft);color:var(--ab-accent)}.ab-stat-none{color:var(--ab-faint)}.ab-stat[data-missing] dd{flex-direction:column;align-items:flex-end;gap:0}.ab-stat-before{text-align:right;color:var(--ab-faint);font-variant-numeric:tabular-nums;flex-basis:100%;font-size:11.5px}.ab-stat-note{color:var(--ab-faint);font-size:11.5px;display:block}@media (pointer:coarse){.ab-tools,.ab-end{opacity:1}.ab-info{margin-top:18px}.ab-nudge{border:1px solid var(--ab-line-strong);border-radius:var(--ab-radius);background:var(--ab-bg);place-items:center;width:40px;height:40px;font-size:18px;display:inline-grid}.ab-val{height:40px;margin:0 4px}.ab-range{height:36px}.ab-range::-webkit-slider-thumb{width:24px;height:24px;margin-top:-10px}.ab-end{top:32px}.ab-stepbtn,.ab-play{width:44px;height:44px}}@media (prefers-reduced-motion:reduce){.ab-applet *{transition:none!important;animation:none!important}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_AMS-Regular.BQhdFMY1.woff2)format("woff2"),url(/abacus/_astro/KaTeX_AMS-Regular.DMm9YOAa.woff)format("woff"),url(/abacus/_astro/KaTeX_AMS-Regular.DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/abacus/_astro/KaTeX_Caligraphic-Bold.Dq_IR9rO.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Caligraphic-Bold.BEiXGLvX.woff)format("woff"),url(/abacus/_astro/KaTeX_Caligraphic-Bold.ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Caligraphic-Regular.Di6jR-x-.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Caligraphic-Regular.CTRA-rTL.woff)format("woff"),url(/abacus/_astro/KaTeX_Caligraphic-Regular.wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/abacus/_astro/KaTeX_Fraktur-Bold.CL6g_b3V.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Fraktur-Bold.BsDP51OF.woff)format("woff"),url(/abacus/_astro/KaTeX_Fraktur-Bold.BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Fraktur-Regular.CTYiF6lA.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Fraktur-Regular.Dxdc4cR9.woff)format("woff"),url(/abacus/_astro/KaTeX_Fraktur-Regular.CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/abacus/_astro/KaTeX_Main-Bold.Cx986IdX.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Main-Bold.Jm3AIy58.woff)format("woff"),url(/abacus/_astro/KaTeX_Main-Bold.waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/abacus/_astro/KaTeX_Main-BoldItalic.DxDJ3AOS.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Main-BoldItalic.SpSLRI95.woff)format("woff"),url(/abacus/_astro/KaTeX_Main-BoldItalic.DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/abacus/_astro/KaTeX_Main-Italic.NWA7e6Wa.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Main-Italic.BMLOBm91.woff)format("woff"),url(/abacus/_astro/KaTeX_Main-Italic.3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Main-Regular.B22Nviop.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Main-Regular.Dr94JaBh.woff)format("woff"),url(/abacus/_astro/KaTeX_Main-Regular.ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/abacus/_astro/KaTeX_Math-BoldItalic.CZnvNsCZ.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Math-BoldItalic.iY-2wyZ7.woff)format("woff"),url(/abacus/_astro/KaTeX_Math-BoldItalic.B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/abacus/_astro/KaTeX_Math-Italic.t53AETM-.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Math-Italic.DA0__PXp.woff)format("woff"),url(/abacus/_astro/KaTeX_Math-Italic.flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/abacus/_astro/KaTeX_SansSerif-Bold.D1sUS0GD.woff2)format("woff2"),url(/abacus/_astro/KaTeX_SansSerif-Bold.DbIhKOiC.woff)format("woff"),url(/abacus/_astro/KaTeX_SansSerif-Bold.CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/abacus/_astro/KaTeX_SansSerif-Italic.C3H0VqGB.woff2)format("woff2"),url(/abacus/_astro/KaTeX_SansSerif-Italic.DN2j7dab.woff)format("woff"),url(/abacus/_astro/KaTeX_SansSerif-Italic.YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_SansSerif-Regular.DDBCnlJ7.woff2)format("woff2"),url(/abacus/_astro/KaTeX_SansSerif-Regular.CS6fqUqJ.woff)format("woff"),url(/abacus/_astro/KaTeX_SansSerif-Regular.BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Script-Regular.D3wIWfF6.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Script-Regular.D5yQViql.woff)format("woff"),url(/abacus/_astro/KaTeX_Script-Regular.C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Size1-Regular.mCD8mA8B.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Size1-Regular.C195tn64.woff)format("woff"),url(/abacus/_astro/KaTeX_Size1-Regular.Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Size2-Regular.Dy4dx90m.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Size2-Regular.oD1tc_U0.woff)format("woff"),url(/abacus/_astro/KaTeX_Size2-Regular.B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/abacus/_astro/KaTeX_Size3-Regular.CTq5MqoE.woff)format("woff"),url(/abacus/_astro/KaTeX_Size3-Regular.DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Size4-Regular.Dl5lxZxV.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Size4-Regular.BF-4gkZK.woff)format("woff"),url(/abacus/_astro/KaTeX_Size4-Regular.DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/abacus/_astro/KaTeX_Typewriter-Regular.CO6r4hn1.woff2)format("woff2"),url(/abacus/_astro/KaTeX_Typewriter-Regular.C0xS9mPB.woff)format("woff"),url(/abacus/_astro/KaTeX_Typewriter-Regular.D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{-webkit-clip-path:inset(50%);clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}:root{--qz-ok:#067647;--qz-close:#b54708;--qz-wrong:#b42318}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--qz-ok:#6ce9a6;--qz-close:#fdb022;--qz-wrong:#fda29b}}:root[data-theme=dark]{--qz-ok:#6ce9a6;--qz-close:#fdb022;--qz-wrong:#fda29b}.qz,.qz-bar,.qz-notebook{font-family:var(--ab-font,ui-sans-serif, system-ui, sans-serif);color:var(--ab-text,#16191d)}.qz *,.qz :before,.qz :after{box-sizing:border-box}.qz{--qz-dot:var(--ab-accent,#2257c9);background:var(--ab-bg,#fff);border:1px solid var(--ab-line,#e6e8ec);border-radius:var(--ab-radius);margin:1.5rem 0;padding:18px 22px 20px;font-size:.97rem;line-height:1.55}.qz[data-type=prediction]{--qz-dot:var(--abacus-secondary,#c4540f)}.qz[data-type=open]{--qz-dot:var(--abacus-tertiary,#7b3fa6)}.qz-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px;display:flex}.qz-type{color:var(--ab-muted,#5d6671);align-items:center;gap:7px;font-size:.8rem;font-weight:600;display:inline-flex}.qz-type:before{content:"";background:var(--qz-dot);border-radius:50%;width:7px;height:7px}.qz-nr{color:var(--ab-text,#16191d)}.qz-star{color:var(--abacus-secondary,#c4540f)}.qz-count{color:var(--ab-muted,#5d6671);font-size:.78rem}.qz-question{margin:0 0 14px;font-size:1rem}.qz-question-image{max-width:440px;margin:0 0 14px;display:block}.qz-muted{color:var(--ab-muted,#5d6671)}.qz-small{font-size:.82rem}.qz-invalid,.qz-danger{color:var(--qz-wrong)}.qz-instruction{color:var(--ab-muted,#5d6671);margin:0 0 4px;font-size:.82rem}.qz-btn{font:inherit;border:1px solid var(--ab-line-strong,#c9ced5);border-radius:var(--ab-radius);background:var(--ab-bg,#fff);height:36px;color:inherit;cursor:pointer;padding:0 16px;font-size:.88rem}.qz-btn:hover:not(:disabled){background:var(--ab-panel,#f7f8fa)}.qz-btn:disabled{opacity:.4;cursor:default}.qz-primary{background:var(--ab-accent,#1d5fd1);border-color:var(--ab-accent,#1d5fd1);color:var(--ab-bg,#fff);font-weight:600}.qz-primary:hover:not(:disabled){background:var(--ab-accent,#1d5fd1);filter:brightness(1.08)}.qz-link{font:inherit;color:var(--ab-accent,#1d5fd1);cursor:pointer;background:0 0;border:0;padding:0;font-size:.85rem}.qz :focus-visible{outline:2px solid var(--ab-accent,#1d5fd1);outline-offset:2px}.qz-actions,.qz-find{flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:12px;display:flex}.qz-field{align-items:center;gap:8px;display:inline-flex}.qz-field input{font:inherit;font-variant-numeric:tabular-nums;border:1.5px solid var(--ab-line-strong,#c9ced5);border-radius:var(--ab-radius);background:var(--ab-bg,#fff);width:8em;height:40px;color:inherit;padding:0 12px;box-shadow:0 1px 2px #1018280f}.qz-field input:focus{border-color:var(--ab-accent,#1d5fd1);box-shadow:0 0 0 3px var(--ab-accent-soft,#e8effc);outline:none}.qz-field input[aria-invalid]{border-color:var(--qz-wrong)}.qz-text{width:100%;font:inherit;border:1.5px solid var(--ab-line-strong,#c9ced5);border-radius:var(--ab-radius);background:var(--ab-bg,#fff);color:inherit;resize:vertical;padding:10px 12px;display:block}.qz-text:focus{border-color:var(--ab-accent,#1d5fd1);box-shadow:0 0 0 3px var(--ab-accent-soft,#e8effc);outline:none}.qz-options{gap:8px;display:grid}.qz-options[data-pictures]{grid-template-columns:repeat(2,minmax(0,1fr))}.qz-options[data-pictures]>.qz-instruction{grid-column:1/-1}.qz-option{border:1.5px solid var(--ab-line,#e3e6ea);border-radius:var(--ab-radius);background:var(--ab-bg,#fff);cursor:pointer;align-items:center;gap:12px;min-height:48px;padding:10px 14px;transition:border-color .12s,box-shadow .12s,transform .12s,background .12s;display:flex;position:relative;box-shadow:0 1px 2px #1018280d}.qz-options[data-pictures] .qz-option{flex-direction:column;align-items:stretch;padding:10px}.qz-option:hover:not([data-locked]){border-color:color-mix(in srgb, var(--ab-accent,#1d5fd1) 45%, var(--ab-line,#e3e6ea));transform:translateY(-1px);box-shadow:0 4px 14px -6px #1018282e}.qz-option input{opacity:0;pointer-events:none;position:absolute}.qz-option:has(input:focus-visible){outline:2px solid var(--ab-accent,#1d5fd1);outline-offset:2px}.qz-indicator{border:2px solid var(--ab-line-strong,#c9ced5);width:22px;height:22px;color:var(--ab-bg,#fff);border-radius:50%;flex:none;place-items:center;transition:background .12s,border-color .12s;display:grid}.qz-options[data-pictures] .qz-indicator{z-index:1;background:var(--ab-bg,#fff);position:absolute;top:10px;left:10px}.qz-options[data-multiple] .qz-indicator{border-radius:var(--ab-radius)}.qz-option[data-on]{border-color:var(--ab-accent,#1d5fd1);background:color-mix(in srgb, var(--ab-accent,#1d5fd1) 7%, var(--ab-bg,#fff));box-shadow:0 0 0 1px var(--ab-accent,#1d5fd1)}.qz-option[data-on] .qz-indicator{border-color:var(--ab-accent,#1d5fd1);background:var(--ab-accent,#1d5fd1)}.qz-options:not([data-multiple]) .qz-option[data-on]:not([data-mark]) .qz-indicator{box-shadow:inset 0 0 0 4px var(--ab-bg,#fff)}.qz-option[data-locked]{cursor:default}.qz-option[data-mark=correct]{border-color:var(--qz-ok);background:color-mix(in srgb, var(--qz-ok) 9%, var(--ab-bg,#fff));box-shadow:none}.qz-option[data-mark=correct] .qz-indicator{border-color:var(--qz-ok);background:var(--qz-ok)}.qz-option[data-mark=wrong]{border-color:var(--qz-wrong);background:color-mix(in srgb, var(--qz-wrong) 8%, var(--ab-bg,#fff));box-shadow:none}.qz-option[data-mark=wrong] .qz-indicator{border-color:var(--qz-wrong);background:var(--qz-wrong)}.qz-option[data-mark=correct]:not([data-on]){border-style:dashed}.qz-image{border-radius:var(--ab-radius);width:100%;display:block}.qz-image svg{width:100%;height:auto;display:block}img.qz-image{height:auto}.qz-image[data-missing]{background:var(--ab-panel,#f7f8fa);color:var(--qz-wrong);padding:12px;font-size:.85rem}.qz-match-rows{gap:8px;margin:0;padding:0;list-style:none;display:grid}.qz-match-row{grid-template-columns:minmax(0,1fr) auto minmax(0,1.3fr);align-items:center;gap:6px 12px;display:grid}.qz-match-left{border-radius:var(--ab-radius);background:var(--ab-panel,#f7f8fa);padding:10px 14px;font-weight:500}.qz-match-arrow{color:var(--ab-faint,#8b939d)}.qz-slot{border:1.5px dashed var(--ab-line-strong,#c9ced5);border-radius:var(--ab-radius);align-items:stretch;min-height:50px;padding:3px;transition:border-color .12s,background .12s;display:flex}.qz-slot>.qz-card{flex:1}.qz-slot-empty{width:100%;color:var(--ab-faint,#8b939d);text-align:center;align-self:center;font-size:.85rem}.qz-slot[data-over],.qz-pool[data-over]{border-color:var(--ab-accent,#1d5fd1);background:var(--ab-accent-soft,#e8effc)}.qz-slot[data-armed]{border-color:color-mix(in srgb, var(--ab-accent,#1d5fd1) 60%, transparent);cursor:pointer}.qz-match-row[data-mark=correct] .qz-slot{border:1.5px solid var(--qz-ok);background:color-mix(in srgb, var(--qz-ok) 9%, var(--ab-bg,#fff))}.qz-match-row[data-mark=wrong] .qz-slot{border:1.5px solid var(--qz-wrong);background:color-mix(in srgb, var(--qz-wrong) 8%, var(--ab-bg,#fff))}.qz-match-fix{color:var(--qz-ok);grid-column:3;font-size:.84rem}.qz-pool{border:1.5px dashed var(--ab-line,#e3e6ea);border-radius:var(--ab-radius);background:color-mix(in srgb, var(--ab-panel,#f7f8fa) 70%, transparent);flex-wrap:wrap;gap:8px;min-height:58px;margin-top:14px;padding:10px;display:flex}.qz-pool-empty{color:var(--ab-faint,#8b939d);align-self:center;font-size:.85rem}.qz-card{border:1.5px solid var(--ab-line-strong,#c9ced5);border-radius:var(--ab-radius);background:var(--ab-bg,#fff);cursor:grab;touch-action:none;user-select:none;align-items:center;gap:10px;padding:8px 12px 8px 8px;transition:box-shadow .12s,border-color .12s;display:inline-flex;box-shadow:0 2px 6px -2px #1018282e}.qz-match[data-pictures] .qz-pool{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.qz-match[data-pictures] .qz-card{width:100%;padding:6px 8px 6px 6px}.qz-match[data-pictures] .qz-card .qz-image{flex:1;min-width:0}.qz-match[data-pictures] .qz-slot:has(.qz-card){justify-self:start;width:min(100%,400px)}.qz-match[data-pictures] .qz-pool-empty{grid-column:1/-1}.qz-match[data-pictures] .qz-match-fix{gap:2px;display:grid}.qz-match[data-pictures] .qz-match-fix .qz-image{opacity:.9;max-width:60%}.qz-card:hover:not([data-locked]){border-color:var(--ab-accent,#1d5fd1);box-shadow:0 6px 16px -6px #10182847}.qz-card[aria-pressed=true]{border-color:var(--ab-accent,#1d5fd1);box-shadow:0 0 0 3px var(--ab-accent-soft,#e8effc)}.qz-card[data-dragging]{opacity:.35}.qz-card[data-locked]{cursor:default;box-shadow:none}.qz-grip{background:radial-gradient(circle, var(--ab-faint,#8b939d) 1.2px, transparent 1.4px) 0 0 / 4px 4.67px;flex:none;width:8px;height:14px}.qz-card[data-locked] .qz-grip{display:none}.qz-ghost{z-index:1000;pointer-events:none;border-color:var(--ab-accent,#1d5fd1);position:fixed;transform:rotate(-1.5deg);box-shadow:0 16px 32px -10px #10182866}@media (width<=560px){.qz-options[data-pictures],.qz-match[data-pictures] .qz-pool,.qz-match-row{grid-template-columns:minmax(0,1fr)}.qz-match-arrow{display:none}.qz-match-fix{grid-column:1}}.qz-verdict{border-radius:var(--ab-radius);background:var(--ab-panel,#f7f8fa);flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:12px;padding:10px 12px;animation:.18s ease-out qz-in;display:flex}.qz-verdict[data-status=correct]{background:color-mix(in srgb, var(--qz-ok) 9%, var(--ab-bg,#fff))}.qz-verdict[data-status=close]{background:color-mix(in srgb, var(--qz-close) 9%, var(--ab-bg,#fff))}.qz-verdict[data-status=wrong]{background:color-mix(in srgb, var(--qz-wrong) 8%, var(--ab-bg,#fff))}.qz-verdict-text{font-size:.92rem}.qz-badge{white-space:nowrap;color:var(--ab-muted,#5d6671);background:var(--ab-panel,#f7f8fa);border-radius:999px;align-items:center;gap:6px;padding:3px 10px 3px 4px;font-size:.82rem;font-weight:700;display:inline-flex}.qz-badge-icon{background:currentColor;border-radius:50%;place-items:center;width:20px;height:20px;display:grid}.qz-badge-icon svg{color:var(--ab-bg,#fff)}.qz-badge[data-status=correct]{color:var(--qz-ok);background:color-mix(in srgb, var(--qz-ok) 14%, var(--ab-bg,#fff))}.qz-badge[data-status=close]{color:var(--qz-close);background:color-mix(in srgb, var(--qz-close) 14%, var(--ab-bg,#fff))}.qz-badge[data-status=wrong]{color:var(--qz-wrong);background:color-mix(in srgb, var(--qz-wrong) 12%, var(--ab-bg,#fff))}.qz-tick{stroke-dasharray:16;stroke-dashoffset:16px;animation:.32s ease-out 80ms forwards qz-tick}.qz-badge[data-status=correct] .qz-badge-icon{animation:.32s ease-out qz-pop}@keyframes qz-tick{to{stroke-dashoffset:0}}@keyframes qz-pop{0%{transform:scale(.6)}60%{transform:scale(1.15)}to{transform:scale(1)}}@keyframes qz-in{0%{opacity:0;transform:translateY(3px)}}@media (prefers-reduced-motion:reduce){.qz-tick,.qz-badge-icon,.qz-verdict{stroke-dashoffset:0;animation:none}}.qz-committed{border-radius:var(--ab-radius);background:var(--ab-panel,#f7f8fa);margin:0;padding:8px 12px}.qz-history{color:var(--ab-muted,#5d6671);font-variant-numeric:tabular-nums;margin:8px 0 0;font-size:.82rem}.qz-history span{margin-left:10px}.qz-history [data-status=correct]{color:var(--qz-ok);font-weight:600}.qz-hints{margin-top:10px}.qz-hint{margin:0 0 6px;font-size:.9rem}.qz-solution{border-top:1px solid var(--ab-line,#e3e6ea);margin-top:12px;padding-top:10px}.qz-solution summary{cursor:pointer;font-size:.88rem;font-weight:600}.qz-model p{margin:6px 0}.qz-criteria{margin:4px 0 0;padding-left:1.2em;font-size:.9rem}.qz-bar{flex-wrap:wrap;align-items:center;gap:8px;font-size:.88rem;display:flex}.qz-bar>.qz-muted:first-child{margin-right:auto}.qz-notebook{gap:10px;padding:0;list-style:none;display:grid}.qz-notebook li{border:1px solid var(--ab-line,#e3e6ea);border-radius:var(--ab-radius);background:var(--ab-bg,#fff);padding:12px 14px}.qz-notebook-question{margin:0}.wq{gap:16px;margin-top:8px;display:grid}.wq .qz{margin:0}.wq-note{border-radius:var(--ab-radius);background:var(--ab-panel,#f7f8fa);margin:0;padding:10px 14px}.wq-start{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.wq-label{color:var(--ab-muted,#5d6671);letter-spacing:.06em;text-transform:uppercase;margin:0 0 6px;font-size:.72rem;font-weight:600}.wq-attempts ol{gap:4px;margin:0;padding:0;list-style:none;display:grid}.wq-attempts button{border:1px solid var(--ab-line,#e3e6ea);border-radius:var(--ab-radius);background:var(--ab-bg,#fff);width:100%;color:inherit;font:inherit;text-align:left;cursor:pointer;grid-template-columns:6rem 1fr auto auto;align-items:center;gap:12px;padding:8px 12px;display:grid}.wq-attempts button[aria-pressed=true]{border-color:var(--ab-accent,#1d5fd1)}.wq-counts{border-radius:var(--ab-radius);background:var(--ab-accent-soft,#e8effc);color:var(--ab-accent,#1d5fd1);padding:1px 6px;font-size:.75rem;font-weight:600}.wq-answering{gap:14px}.wq-submit{border:1px solid var(--ab-line,#e3e6ea);border-radius:var(--ab-radius);background:color-mix(in srgb, var(--ab-bg,#fff) 94%, transparent);backdrop-filter:blur(6px);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px 14px;padding:12px 16px;display:flex;position:sticky;bottom:0;box-shadow:0 -8px 24px -16px #10182840}.wq-submit>.qz-muted{margin-right:auto}.wq-warning{color:var(--qz-close);font-size:.9rem}.wq-result{gap:14px;display:grid}.wq-score{border:1px solid var(--ab-line,#e3e6ea);border-radius:var(--ab-radius);background:var(--ab-bg,#fff);align-items:center;gap:16px;padding:14px 18px;display:flex}.wq-score>span:last-child{gap:2px;display:grid}.wq-score strong{font-size:1.15rem}.wq-score-ring{--c:var(--ab-accent,#1d5fd1);background:radial-gradient(closest-side, var(--ab-bg,#fff) 72%, transparent 74%), conic-gradient(var(--c) calc(var(--share) * 360deg), var(--ab-line,#e3e6ea) 0);border-radius:50%;flex:none;width:48px;height:48px}.wq-score[data-status=correct] .wq-score-ring{--c:var(--qz-ok)}.wq-score[data-status=close] .wq-score-ring{--c:var(--qz-close)}.wq-score[data-status=wrong] .wq-score-ring{--c:var(--qz-wrong)}.wq-question[data-status=correct]{box-shadow:inset 3px 0 0 var(--qz-ok)}.wq-question[data-status=close]{box-shadow:inset 3px 0 0 var(--qz-close)}.wq-question[data-status=wrong]{box-shadow:inset 3px 0 0 var(--qz-wrong)}.wq-list-status{border-radius:var(--ab-radius);background:var(--ab-panel,#f7f8fa);color:var(--ab-muted,#5d6671);justify-self:start;padding:1px 8px;font-size:.8rem}.wq-list-status[data-done]{background:var(--ab-accent-soft,#e8effc);color:var(--ab-accent,#1d5fd1);font-weight:600}*,:before,:after{box-sizing:border-box}:root{--page:var(--ab-page);--topbar-h:56px}html{font-family:var(--ab-font);-webkit-text-size-adjust:100%;font-size:16px;line-height:1.6}body{background:var(--page) linear-gradient(180deg, color-mix(in srgb, var(--ab-accent) 7%, var(--page)) 0, var(--page) 420px) no-repeat;color:var(--ab-text);margin:0}a{color:var(--ab-accent);text-underline-offset:2px}h1{letter-spacing:-.02em;margin:0 0 6px;font-size:clamp(1.6rem,1.2rem + 1.4vw,2.1rem);line-height:1.2}.lead{color:var(--ab-muted);margin:0 0 20px;font-size:1.05rem}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--ab-muted);margin:0 0 4px;font-size:.75rem;font-weight:650}.topbar{z-index:10;height:var(--topbar-h);background:color-mix(in srgb, var(--ab-bg) 88%, transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--ab-line);position:sticky;top:0}.topbar-inner{align-items:center;gap:16px;max-width:1600px;height:100%;margin:0 auto;padding:0 16px;display:flex}.brand{color:var(--ab-text);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:8px;font-weight:650;text-decoration:none;display:inline-flex;overflow:hidden}.brand svg{color:var(--ab-accent);flex:none}.topbar nav{gap:4px;margin-left:auto;display:flex}.brand-course{min-width:0;color:var(--ab-muted);white-space:nowrap;text-overflow:ellipsis;margin-left:-6px;font-weight:500;text-decoration:none;overflow:hidden}.brand-course:before{content:"/";color:color-mix(in srgb, var(--ab-muted) 50%, transparent);margin-right:10px}.brand-course:hover{color:var(--ab-text)}.settings-btn{border-radius:var(--ab-radius);width:34px;height:34px;color:var(--ab-muted);cursor:pointer;background:0 0;border:0;place-items:center;margin-left:auto;display:inline-grid}.topbar nav+.settings-btn{margin-left:-8px}.settings-btn:hover{background:var(--ab-panel);color:var(--ab-text)}.settings{inset:auto;top:calc(var(--topbar-h) + 6px);border:1px solid var(--ab-line);border-radius:var(--ab-radius);background:var(--ab-bg);width:min(320px,100vw - 32px);color:var(--ab-text);margin:0;padding:14px 16px 12px;right:max(16px,50vw - 784px);box-shadow:0 12px 40px #00000024}.settings-title{color:var(--ab-muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;font-size:.72rem;font-weight:600}.settings-row{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:9px 0;display:flex}.settings-row+.settings-row{border-top:1px solid var(--ab-line)}.settings-label{font-size:.92rem;font-weight:500}.settings-seg{border-radius:var(--ab-radius);background:var(--ab-panel);grid-template-columns:repeat(3,1fr);gap:2px;margin-bottom:14px;padding:2px;display:grid}.settings-seg button{border-radius:var(--ab-radius);height:28px;color:var(--ab-muted);font:inherit;cursor:pointer;background:0 0;border:0;padding:0 6px;font-size:.85rem;font-weight:500}.settings-seg button:hover{color:var(--ab-text)}.settings-seg button[aria-checked=true]{background:var(--ab-bg);color:var(--ab-text);box-shadow:0 1px 2px #1018281f}.settings input[role=switch]{appearance:none;background:var(--ab-line-strong);cursor:pointer;border-radius:11px;flex:none;width:38px;height:22px;margin:0;transition:background .15s;position:relative}.settings input[role=switch]:after{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .15s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #00000040}.settings input[role=switch]:checked{background:var(--ab-accent)}.settings input[role=switch]:checked:after{transform:translate(16px)}.settings input[role=switch]:focus-visible{outline:2px solid var(--ab-accent);outline-offset:2px}.topbar nav a{border-radius:var(--ab-radius);color:var(--ab-muted);padding:6px 12px;font-size:.92rem;font-weight:500;text-decoration:none}.topbar nav a:hover{background:var(--ab-panel);color:var(--ab-text)}.topbar nav a[aria-current=page]{color:var(--ab-accent);background:var(--ab-accent-soft)}@media (width<=760px){.brand-course{display:none}}@media (width<=520px){.topbar-inner{gap:8px}.topbar nav{gap:0}.topbar nav a{padding:6px 8px}.brand{flex:none;gap:0;font-size:0}}.main{margin:0 auto;padding:28px 16px 64px}.main.wide{max-width:1600px}.main.medium{max-width:920px}.main.narrow{max-width:760px}.gallery-search{max-width:460px;margin:0 0 14px;position:relative}.gallery-search svg{color:var(--ab-faint);pointer-events:none;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.gallery-search input{border-radius:var(--ab-radius);background:var(--ab-bg);width:100%;height:40px;box-shadow:inset 0 0 0 1px var(--ab-line);color:var(--ab-text);font:inherit;border:0;padding:0 14px 0 38px;font-size:15px}.gallery-search input:focus{box-shadow:inset 0 0 0 1.5px var(--ab-accent), 0 0 0 4px var(--ab-accent-soft);outline:none}.card[hidden],.chapter[hidden]{display:none}.chapter-nav{flex-wrap:wrap;gap:8px;margin:0 0 8px;display:flex}.chapter-nav a{border-radius:var(--ab-radius);background:var(--ab-bg);box-shadow:inset 0 0 0 1px var(--ab-line);color:var(--ab-text);padding:5px 12px;font-size:13px;text-decoration:none}.chapter-nav a:hover{box-shadow:inset 0 0 0 1px var(--ab-accent);color:var(--ab-accent)}.chapter{margin:28px 0 8px;scroll-margin-top:72px}.chapter-title{letter-spacing:-.01em;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:0 0 14px;font-size:18px;font-weight:650;display:flex}.chapter-no{letter-spacing:.08em;text-transform:uppercase;color:var(--ab-accent);font-size:12px;font-weight:700}.chapter-badge{margin:0 0 4px}.chapter-badge a{color:inherit;text-decoration:none}.chapter-badge a:hover{color:var(--ab-accent)}.section-title{letter-spacing:.08em;text-transform:uppercase;color:var(--ab-muted);margin:32px 0 12px;font-size:.8rem;font-weight:650}.gallery{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.card{background:var(--ab-bg);border:1px solid var(--ab-line);border-radius:var(--ab-radius);color:inherit;flex-direction:column;text-decoration:none;transition:box-shadow .15s,transform .15s;display:flex;overflow:hidden}.card:hover{box-shadow:var(--ab-shadow);transform:translateY(-1px)}.card-preview{border-bottom:1px solid var(--ab-line);padding:10px 10px 0;font-size:11px}.card-preview svg{display:block}.card-body{flex-direction:column;gap:2px;padding:12px 16px 16px;display:flex}.card-body span{color:var(--ab-muted);font-size:.9rem}.course-list{gap:8px;max-width:760px;margin:0;padding:0;list-style:none;display:grid}.course-list a{background:var(--ab-bg);border:1px solid var(--ab-line);border-radius:var(--ab-radius);color:inherit;grid-template-columns:5.5rem 1fr;gap:2px 12px;padding:12px 16px;text-decoration:none;display:grid}.course-list a:hover{border-color:var(--ab-accent)}.course-week{color:var(--ab-muted);grid-row:span 2;padding-top:2px;font-size:.8rem}.course-kurz{color:var(--ab-muted);font-size:.92rem}.explore-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:8px 24px;margin-bottom:16px;display:flex}.explore-head .lead{margin:0}.explore-links{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.explore-links .eyebrow{margin:0}.chip{border:1px solid var(--ab-line-strong);border-radius:var(--ab-radius);background:var(--ab-bg);padding:5px 12px;font-size:.88rem;text-decoration:none}.chip:hover{border-color:var(--ab-accent)}.course{grid-template-columns:minmax(0,1fr);gap:24px;display:grid}.course-applet{order:-1}@media (width>=1100px){.course{grid-template-columns:minmax(30rem,44rem) minmax(0,1fr);align-items:start;gap:40px}.course-applet{order:0;align-self:stretch}.course-applet-sticky{top:calc(var(--topbar-h) + 16px);max-height:calc(100vh - var(--topbar-h) - 32px);border-radius:var(--ab-radius);position:sticky;overflow:auto}}.course-text>:first-child{margin-top:0}.inline-applet{margin:24px 0}.abschnitt{background:var(--ab-bg);border-radius:var(--ab-radius);margin:0 0 22px;padding:24px 28px 12px;display:block;box-shadow:0 1px 3px #1018280d,0 12px 32px -16px #10182824}.abschnitt>h2:first-child{margin-top:0}.prose{counter-reset:schritt;hyphens:auto;overflow-wrap:break-word;font-size:1.02rem;line-height:1.65}.prose h2{counter-increment:schritt;letter-spacing:-.01em;align-items:baseline;gap:10px;margin:44px 0 12px;font-size:1.2rem;line-height:1.3;display:flex}.prose h2:before{content:counter(schritt);background:var(--ab-accent-soft);width:24px;height:24px;color:var(--ab-accent);border-radius:50%;flex:none;place-items:center;font-size:.8rem;font-weight:700;display:inline-grid;transform:translateY(-2px)}.prose h3{margin:28px 0 8px;font-size:1.02rem;line-height:1.35}.prose p,.prose ul,.prose ol,.prose blockquote,.prose table{margin:0 0 14px}.prose ul,.prose ol{padding-left:1.4em}.prose li{margin:4px 0}.prose li::marker{color:var(--ab-muted)}.prose blockquote{border-left:3px solid var(--ab-line-strong);color:var(--ab-muted);padding:2px 0 2px 16px;font-style:italic}.prose hr{border:0;border-top:1px solid var(--ab-line);margin:32px 0}.prose code{background:var(--ab-panel);border-radius:4px;padding:1px 5px;font-size:.9em}.prose table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.95rem}.prose th,.prose td{border-bottom:1px solid var(--ab-line);text-align:left;padding:6px 10px}.prose th{border-bottom-color:var(--ab-line-strong);font-weight:600}.prose img,.prose figure{max-width:100%;margin:18px 0}.prose figcaption{color:var(--ab-muted);font-size:.88rem}.prose .katex{font-size:1.08em}.prose .katex-display{margin:16px 0;padding:4px 0;overflow:auto hidden}.prose>:first-child{margin-top:0}.aufgabe{background:var(--ab-bg);border:1px solid var(--ab-line);border-radius:var(--ab-radius);margin:28px 0;padding:18px 22px 8px}.aufgabe-head{margin-bottom:8px}.aufgabe-nr{letter-spacing:.08em;text-transform:uppercase;color:var(--ab-accent);font-size:.72rem;font-weight:650}.aufgabe-stern{color:var(--abacus-secondary)}.aufgabe-head h3{margin:2px 0 0;font-size:1.05rem}.aufgabe-body>:first-child{margin-top:0}.aufgabe .qz{border:0;border-top:1px solid var(--ab-line);box-shadow:none;background:0 0;border-radius:0;margin:16px 0 12px;padding:14px 0 0}.box{border-radius:var(--ab-radius);background:var(--ab-bg);border:1px solid var(--ab-line);margin:18px 0;padding:12px 16px}.box>:last-child{margin-bottom:0}.box-label{letter-spacing:.08em;text-transform:uppercase;color:var(--ab-muted);margin:0 0 6px;font-size:.72rem;font-weight:650}.box-term{text-transform:none;letter-spacing:0;color:var(--ab-text);margin-left:10px;font-size:.85rem}details.box>summary{cursor:pointer;list-style:none}details.box>summary::-webkit-details-marker{display:none}details.box>summary:after{content:" ▸"}details.box[open]>summary:after{content:" ▾"}.box-claim{border-left:3px solid var(--ab-accent)}.box-def{border-left:3px solid var(--abacus-tertiary)}.box-proof .qed{text-align:right;color:var(--ab-muted);margin:0}.box-lie{border-left:3px solid var(--abacus-secondary)}.box-later{background:var(--ab-panel);border-style:dashed}.box-tip{background:0 0;padding:8px 16px}.muted{color:var(--ab-muted)}.nicht-gelistet{border-radius:var(--ab-radius);background:color-mix(in srgb, var(--abacus-secondary) 14%, transparent);color:var(--abacus-secondary);align-self:flex-start;padding:1px 7px;font-size:.72rem;font-weight:600}.prose h2{font-size:1.3rem}.prose h2:before{content:"Schritt " counter(schritt);border-radius:var(--ab-radius);letter-spacing:.04em;text-transform:uppercase;width:auto;height:auto;padding:3px 10px;font-size:.72rem}.box,.aufgabe,.qz{border-radius:var(--ab-radius);border:0}.aufgabe{background:color-mix(in srgb, var(--ab-accent) 6%, var(--ab-bg));box-shadow:inset 0 3px 0 var(--ab-accent)}.aufgabe .qz{border-radius:var(--ab-radius);background:var(--ab-bg);border:0;padding:14px 16px}.qz{background:var(--ab-panel)}.box-def{background:color-mix(in srgb, var(--abacus-tertiary) 9%, var(--ab-bg))}.box-claim{background:color-mix(in srgb, var(--ab-accent) 8%, var(--ab-bg))}.box-lie{background:color-mix(in srgb, var(--abacus-secondary) 10%, var(--ab-bg))}.box-later{background:var(--ab-panel);border:1px dashed var(--ab-line-strong)}.box-proof{background:var(--ab-panel)}.box-def .box-label{color:var(--abacus-tertiary)}.box-claim .box-label{color:var(--ab-accent)}.box-lie .box-label{color:var(--abacus-secondary)}.card{box-shadow:0 1px 3px #1018280d,0 12px 30px -18px #10182833}.start-kopf{margin:8px 0 24px}.start-kopf h1{margin-bottom:6px}.bereiche{grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:16px;max-width:960px;display:grid}.landing-hero{border-bottom:1px solid var(--ab-line);background:linear-gradient(180deg, var(--ab-bg), color-mix(in srgb, var(--ab-bg) 55%, transparent));place-items:center;height:clamp(96px,14vh,128px);display:grid;position:relative}.landing-marke{color:var(--ab-text);letter-spacing:-.03em;align-items:center;gap:14px;font-size:clamp(2rem,5vw,2.8rem);font-weight:700;display:flex;position:relative}.landing-marke svg{color:var(--ab-accent)}.landing-titel{color:var(--ab-muted);letter-spacing:.08em;text-transform:uppercase;margin:8px 0 14px;font-size:.78rem;font-weight:650}.kurse{gap:16px;margin-bottom:36px;display:grid}.kurs-karte{border:1px solid var(--ab-line);border-radius:var(--ab-radius);background:var(--ab-bg);box-shadow:var(--ab-shadow);color:inherit;grid-template-columns:1fr auto;align-items:center;gap:24px;padding:22px 26px;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s;display:grid}.kurs-karte:hover{border-color:color-mix(in srgb, var(--ab-accent) 40%, var(--ab-line));transform:translateY(-2px)}.kurs-text{flex-direction:column;gap:4px;display:flex}.kurs-text strong{font-size:1.35rem;line-height:1.25}.kurs-semester{color:var(--ab-muted)}.kurs-pfeil{color:var(--ab-muted);transition:transform .15s,color .15s}.kurs-karte:hover .kurs-pfeil{color:var(--ab-accent);transform:translate(3px)}.kurs-beitreten{align-self:start;margin-top:10px}@media (prefers-reduced-motion:reduce){.kurs-karte,.kurs-pfeil{transition:none}}.bereich{border:1px solid var(--ab-line);border-radius:var(--ab-radius);background:var(--ab-bg);box-shadow:var(--ab-shadow);color:inherit;grid-template-rows:auto 1fr auto;grid-template-columns:auto 1fr;gap:4px 14px;padding:20px 22px;text-decoration:none;transition:border-color .15s,transform .15s;display:grid}.bereich:hover{border-color:var(--ab-accent);transform:translateY(-1px)}.bereich-icon{border-radius:var(--ab-radius);background:var(--ab-accent-soft);width:44px;height:44px;color:var(--ab-accent);grid-row:span 3;place-items:center;display:grid}.bereich strong{font-size:1.15rem}.bereich>span:not(.bereich-icon):not(.bereich-detail){color:var(--ab-muted)}.bereich-detail{color:var(--ab-faint);margin-top:6px;font-size:.85rem}.bereich-detail[data-aktuell]{color:var(--ab-accent);font-weight:600}.quiz-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.quiz-list a{background:var(--ab-bg);border:1px solid var(--ab-line);border-radius:var(--ab-radius);color:inherit;grid-template-columns:5.5rem 1fr;gap:2px 12px;padding:14px 16px;text-decoration:none;display:grid}.quiz-list a:hover{border-color:var(--ab-accent)}.quiz-list .course-week{grid-row:span 4}.quiz-meta{color:var(--ab-faint);flex-wrap:wrap;gap:2px 14px;font-size:.82rem;display:flex}.quiz-list astro-island{margin-top:6px;display:block}.quiz-list .nicht-gelistet{vertical-align:2px;margin-left:8px;font-weight:600}.applet-intro{background:var(--ab-bg);border:1px solid var(--ab-line);border-radius:var(--ab-radius);max-width:760px;margin:36px auto 0;padding:22px 30px 12px;box-shadow:0 1px 3px #1018280d,0 12px 32px -16px #10182824}.applet-intro>.eyebrow,.einfuehrung>.eyebrow{color:var(--ab-accent);margin:0 0 4px}.applet-intro .abschnitt,.einfuehrung .abschnitt{display:contents}.applet-intro h2,.einfuehrung h2{counter-increment:none}.applet-intro h2:before,.einfuehrung h2:before{content:none}.einfuehrung{box-shadow:inset 3px 0 0 var(--ab-accent), 0 1px 3px #1018280d, 0 12px 32px -16px #10182824}:root{--ci-accent:#003f75;--ci-series-1:#003f75;--ci-series-2:#70295a;--ci-series-3:#56752b;--ci-good:#3d8fa1;--ci-warning:#6a5929;--ci-text:#303030;--ci-surface:#fff;--ci-page:#ecf1f1;--ci-accent-dark:#69affa;--ci-series-1-dark:#69affa;--ci-series-2-dark:#e982c7;--ci-series-3-dark:#afca0a;--ci-good-dark:#5ad0e8;--ci-warning-dark:#eac769;--ci-text-dark:#f1f5f5;--ci-surface-dark:#0b1826;--ci-page-dark:#050e18}
