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minmax(0,1fr);gap:16px}.mf114-side{background:#132957;color:#fff;border-radius:24px;padding:18px;min-height:420px}.mf114-side h3{font-size:30px;margin:22px 0 6px}.mf114-side p{font-size:22px;margin:0 0 8px}.mf114-side small{font-size:16px;color:#dbeafe;line-height:1.35}.mf114-main{min-height:420px}.mf114-activity-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.mf114-activity code{background:#f1f5f9;border-radius:12px;padding:8px;color:#334155;font-weight:800;word-break:break-word}.mf114-play-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.mf114-play-head h2{font-size:34px;margin:0}.mf114-play-head p{margin:4px 0 0;color:#475569;font-weight:850;font-size:17px}.mf114-mini-progress{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.mf114-mini-progress span{background:#e5e7eb;color:#334155;border-radius:999px;padding:10px;text-align:center;font-weight:950}.mf114-mini-progress .on{background:#dcfce7;color:#166534}.mf114-question{background:#fff7ed;border:2px solid #fdba74;color:#7c2d12;border-radius:18px;padding:13px 16px;font-size:24px;font-weight:950;margin-bottom:14px}.mf114-visual-row,.mf114-equation-stack{display:grid;grid-template-columns:minmax(0,1fr) 54px minmax(0,1fr) 54px minmax(0,1fr);gap:12px;align-items:center}.mf114-visual-row.compact{margin-bottom:12px}.mf114-fracbox{background:#f8fafc;border:2px solid #cbd5e1;border-radius:22px;padding:14px;display:flex;flex-direction:column;gap:10px;justify-content:center;min-height:190px}.mf114-fracbox.result{background:#f5f3ff;border-color:#c4b5fd}.mf114-fracbox span{color:#334155;font-weight:900;text-transform:uppercase;letter-spacing:.04em;font-size:13px}.mf114-fracbox strong{font-size:28px;line-height:1;color:#0f172a}.mf114-fracbox 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@media (max-width:1040px){.mf114-levels{grid-template-columns:repeat(3,1fr)}.mf114-layout{grid-template-columns:1fr}.mf114-side{min-height:auto}.mf114-visual-row,.mf114-equation-stack{grid-template-columns:1fr}.mf114-symbol{text-align:center}.mf114-fracbox{min-height:150px}.mf114-title{flex-direction:column}.mf114-rule{min-width:0}}
@media (max-width:720px){.mf-frac114-root{padding:10px;border-radius:18px}.mf114-head{align-items:flex-start;flex-direction:column}.mf114-hud{justify-content:flex-start}.mf114-title h1{font-size:32px}.mf114-levels,.mf114-activity-list{grid-template-columns:1fr}.mf114-play-head{flex-direction:column}.mf114-mini-progress{grid-template-columns:1fr}.mf114-question{font-size:20px}.mf114-symbolic-only{gap:10px}.mf114-stack b,.mf114-outfrac span{font-size:24px}.mf114-frac-input{width:100%}.mf114-bigchoice{min-width:0}}
.mf114-missing-symbols{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;background:#f8fafc;border:2px solid #cbd5e1;border-radius:22px;padding:18px;margin-bottom:14px}.mf114-missing-symbols>b{font-size:42px;font-weight:1000;color:#111827}.mf114-missing-symbols .mf114-frac-input{background:#fff7ed;border-color:#fdba74}.mf114-missing-symbols .mf114-stack b{font-size:34px}