:root{--bg:#f5f7fb;--card:#fff;--ink:#172033;--muted:#6b7280;--line:#e5e7eb;--brand:#2457d6;--soft:#eef3ff;--ok:#0f766e;--danger:#b91c1c}
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    .math-visual{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;vertical-align:middle;margin:6px 7px;padding:5px 7px;border:1px solid #e2e8f0;border-radius:8px;background:#fff;min-width:70px;min-height:52px;break-inside:avoid;page-break-inside:avoid}.geo-svg{width:82px;height:58px;overflow:visible;vertical-align:middle}.edu-svg{width:min(320px,100%);height:auto;max-height:112px;overflow:visible;vertical-align:middle}.geo-svg rect,.geo-svg circle,.geo-svg polygon,.geo-svg path,.geo-svg line,.edu-svg .outline{fill:none;stroke:#172033;stroke-width:2.4;stroke-linejoin:round;stroke-linecap:round}.geo-svg .geo-mark{stroke-width:2}.geo-svg text,.edu-svg text{font-family:Tahoma,Arial,sans-serif;fill:#334155;stroke:none}.edu-svg .filled{fill:#e2e8f0;stroke:#172033;stroke-width:1.5}.edu-svg .thin{stroke:#475569;stroke-width:1.4}.visual-caption{font-size:10px;color:#64748b;display:block;text-align:center}.answer-space.tall{height:88px}.answer-space.draw{height:118px}.pdf-export-root .math-visual{break-inside:avoid;page-break-inside:avoid;print-color-adjust:exact;-webkit-print-color-adjust:exact}.pdf-export-root .geo-svg{width:76px;height:54px}.pdf-export-root .edu-svg{max-width:290px}.foreign-run{display:inline-block;direction:ltr!important;unicode-bidi:isolate!important;text-align:left;font-family:Arial,Tahoma,sans-serif;max-width:100%;vertical-align:baseline}.content-auto{unicode-bidi:plaintext}
@media(max-width:760px){body{padding-bottom:72px}.main-nav{position:fixed;z-index:35;bottom:0;left:0;right:0;margin:0;padding:8px;background:rgba(255,255,255,.96);border-top:1px solid #e5e7eb}.main-nav-btn{flex:1;padding:9px 5px;font-size:12px}.home-welcome,.pro-entry,.family-entry{align-items:flex-start;flex-direction:column}.pro-layout,.family-layout{grid-template-columns:1fr}.pro-form,.family-form{grid-template-columns:1fr}.pro-form .full,.family-form .full{grid-column:auto}.pro-metrics,.family-metrics{grid-template-columns:1fr 1fr}.dashboard{grid-template-columns:1fr 1fr}.archive-toolbar,.auth-grid{grid-template-columns:1fr}.auth-grid .full{grid-column:auto}.plans-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.top{align-items:flex-start;flex-direction:column}.paper{padding:18px}.row,.row.lesson-mode,.student-fields,.doc-info{grid-template-columns:1fr}.types{grid-template-columns:repeat(2,1fr)}.output-head{align-items:flex-start}.doc-banner{flex-direction:column}.lesson-profile{grid-template-columns:1fr}.lesson-table{font-size:11px}}
    @page{size:A4;margin:12mm}
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[data-inline-style-1]{margin-top:6px}
[data-inline-style-2]{margin:8px 0 12px;padding:10px 12px;border:1px solid #86efac;background:#f0fdf4;border-radius:10px;color:#166534;font-size:13px;font-weight:700}
[data-inline-style-3]{margin-top:8px}
[data-inline-style-4]{margin-top:10px}
[data-inline-style-5]{cursor:pointer;font-size:11px;color:#475569}
[data-inline-style-6]{margin-top:8px}
[data-inline-style-7]{margin-top:8px}
[data-inline-style-8]{display:flex;justify-content:space-between;align-items:center;gap:8px}
[data-inline-style-9]{margin:9px 0}
[data-inline-style-10]{list-style:none;cursor:pointer}
[data-inline-style-11]{list-style:none;cursor:pointer}
[data-inline-style-12]{margin-top:8px}
[data-inline-style-13]{display:flex;justify-content:space-between;align-items:center;gap:8px}
[data-inline-style-14]{margin:9px 0}
[data-inline-style-15]{list-style:none;cursor:pointer}
[data-inline-style-16]{margin-bottom:8px}
[data-inline-style-17]{margin-top:6px}
[data-inline-style-18]{color:#991b1b}
[data-inline-style-19]{border:0;border-top:1px solid #e5e7eb;margin:15px 0}
[data-inline-style-20]{border:0;border-top:1px solid #e5e7eb;margin:15px 0}
[data-inline-style-21]{margin-top:10px}
[data-inline-style-22]{border:0;border-top:1px solid #e5e7eb;margin:14px 0}
[data-inline-style-23]{margin-top:8px}
[data-inline-style-24]{border:0;border-top:1px solid #e5e7eb;margin:14px 0}
[data-inline-style-25]{margin-top:8px}
.privacy-consent label{display:flex;align-items:flex-start;gap:8px;line-height:1.7}.privacy-consent input[type="checkbox"]{width:auto;margin-top:4px}.register-restart{margin-top:8px}

.paper.generation-pending-old{opacity:.62;transition:opacity .18s ease}.paper.stale-result{outline:2px solid #f59e0b;outline-offset:3px}.num-ltr{white-space:nowrap;font-variant-numeric:tabular-nums}