:root{--font-display:"Baloo 2", system-ui;--font-body:"Nunito", system-ui;--font-numeral:"Baloo 2", system-ui;--mf-cell-size:40px;--mf-bead-size:18px;--mf-hint-transition-ms:.35s;--mf-hint-transition-easing:cubic-bezier(.32, .08, .24, 1)}:root,html[data-mf-theme=nha]{--mf-app-shell:#fcefe2;--paper:#cdd6de;--paper-soft:#fff;--paper-deep:#e4ecf2;--ink:#003865;--ink-soft:#5b6b78;--ink-faint:#9da7ac;--rule:#d9e4ec;--wash-add:#fedfcc;--wash-sub:#c8f0ff;--wash-mul:#e1d3ea;--wash-div:#e7ffbd;--mf-addend-a-color:#fe6401;--mf-addend-b-color:#77b800;--mf-minuend-color:#00aeef;--mf-crossed-stroke:#003865;--mf-factor-color:#653c7f;--mf-product-color:#77b800;--mf-divisor-color:#8e9697;--mf-quotient-color:#77b800;--mf-bead-color:var(--mf-addend-a-color);--mf-bead-color-white:#e9ebee;--mf-rack-rod:#8e9697;--mf-cell-border:#003865;--mf-cell-bg:#fff;--mf-bar-total-color:#77b800;--mf-bar-part-a-color:#fe6401;--mf-bar-part-b-color:#653c7f;--mf-array-cell-fill:#eaf1f6;--mf-array-grid-stroke:#003865;--mf-array-chunk-a:#b98fd0;--mf-array-chunk-b:#6fc2e5;--mf-array-dim-label:#fe6401;--mf-hero-bg:#003865;--mf-hero-ink:#fff;--mf-hero-cta-bg:#fe6401;--mf-hero-cta-text:#fff;--mf-hero-chip-done:#77b800;--mf-hero-chip-current:#fe6401;--mf-hero-chip-locked:#fff3;--mf-hero-motif-a:#fff;--mf-hero-motif-b:#fff;--mf-numberline-stroke:#003865;--mf-numberline-multiple-ring:#fe6401;--mf-numberline-jump-arc:#fe6401;--mf-landmark-pin-bg:#003865;--mf-landmark-pin-text:#fff;--mf-die-face:#fff;--mf-die-pip:#003865;--mf-die-shadow:#00386533;--mf-header-bg:#fedfcc;--mf-body-bg:#fff;--mf-feedback-correct:#77b800;--mf-feedback-incorrect:#003865;--mf-feedback-revealed:#8e9697;--mf-input-border:#003865;--mf-button-primary-bg:#fe6401;--mf-button-primary-text:#fff;--mf-button-primary-shadow:#c44e00;--mf-demo-banner-bg:#eaf4fb;--mf-demo-banner-rule:#00aeef;--mf-demo-banner-ink:#00405e;--mf-teacher-accent:#00aeef;--mf-teacher-accent-soft:#ddf1fb;--mf-teacher-accent-ink:#00547a;--mf-admin-accent:#5b6b78;--mf-admin-accent-soft:#eaeff2;--mf-fern:#77b800;--mf-fern-deep:#003865;--mf-marigold-deep:#b85e00;--mf-block-outline:#dce6ec;--mf-proficiency-met:var(--mf-fern);--mf-guidance-warmup-bg:#eaf4fb;--mf-guidance-warmup-border:#bfe6f5;--mf-guidance-warmup-ink:#00547a;--mf-answer-ink:var(--ink)}html[data-mf-theme=original]{--mf-app-shell:#fff6e3;--paper:#fff6e3;--paper-soft:#fffbf1;--paper-deep:#fbe7c2;--ink:#2b2418;--ink-soft:#6a5c45;--ink-faint:#b8a786;--rule:#e9d8b5;--wash-add:#ffe3d0;--wash-sub:#d7eaf2;--wash-mul:#ebdcf2;--wash-div:#e0ead0;--mf-addend-a-color:#e0613f;--mf-addend-b-color:#f2b33a;--mf-minuend-color:#2d7bb8;--mf-crossed-stroke:#1f4e78;--mf-factor-color:#8a4a98;--mf-product-color:#569560;--mf-divisor-color:#b86a2a;--mf-quotient-color:#569560;--mf-bead-color:var(--mf-addend-a-color);--mf-bead-color-white:#fbf6ea;--mf-rack-rod:#8c7349;--mf-cell-border:#2b2418;--mf-cell-bg:#fff;--mf-bar-total-color:#569560;--mf-bar-part-a-color:#f2b33a;--mf-bar-part-b-color:#8a4a98;--mf-array-cell-fill:#fbe7c2;--mf-array-grid-stroke:#2b2418;--mf-array-chunk-a:#b58bc4;--mf-array-chunk-b:#7fb5da;--mf-array-dim-label:#e0613f;--mf-hero-bg:#e0613f;--mf-hero-ink:#fff6e3;--mf-hero-cta-bg:#2b2418;--mf-hero-cta-text:#fff6e3;--mf-hero-chip-done:#569560;--mf-hero-chip-current:#2b2418;--mf-hero-chip-locked:#ffffff38;--mf-hero-motif-a:#f2b33a;--mf-hero-motif-b:#2d7bb8;--mf-numberline-stroke:#2b2418;--mf-numberline-multiple-ring:#e0613f;--mf-numberline-jump-arc:#e0613f;--mf-landmark-pin-bg:#2d7bb8;--mf-landmark-pin-text:#fff6e3;--mf-die-face:#fff;--mf-die-pip:#2b2418;--mf-die-shadow:#2b241838;--mf-header-bg:#ffe3d0;--mf-body-bg:#fffbf1;--mf-feedback-correct:#569560;--mf-feedback-incorrect:#b86a2a;--mf-feedback-revealed:#8e7d60;--mf-input-border:#2b2418;--mf-button-primary-bg:#e0613f;--mf-button-primary-text:#fff6e3;--mf-button-primary-shadow:#b24a2c;--mf-demo-banner-bg:#ffefc9;--mf-demo-banner-rule:#f2b33a;--mf-demo-banner-ink:#4a3208;--mf-teacher-accent:#2d7bb8;--mf-teacher-accent-soft:#e3eef7;--mf-teacher-accent-ink:#1e5e91;--mf-admin-accent:#4f463a;--mf-admin-accent-soft:#efe9dc;--mf-fern:#569560;--mf-fern-deep:#3e7347;--mf-marigold-deep:#c98a12;--mf-block-outline:#ead7ae;--mf-proficiency-met:var(--mf-fern);--mf-guidance-warmup-bg:#f6ecd5;--mf-guidance-warmup-border:#e4d2a8;--mf-guidance-warmup-ink:#7c6634;--mf-answer-ink:var(--ink)}@keyframes feedback-in{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes mf-star-pop{0%{opacity:0;transform:scale(0)rotate(-30deg)}55%{opacity:1;transform:scale(1.22)rotate(8deg)}78%{transform:scale(.94)rotate(-3deg)}to{opacity:1;transform:scale(1)rotate(0)}}@keyframes mf-sparkle{0%{opacity:0;transform:scale(0)}45%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.2)}}.mf-star-pop{animation:.56s cubic-bezier(.2,.8,.3,1.2) both mf-star-pop}.mf-sparkle{animation:.62s ease-out both mf-sparkle}@keyframes confetti-fly{0%{opacity:0;transform:translate(0)rotate(0)scale(.4)}20%{opacity:1}to{opacity:0;transform:translate(var(--dx), var(--dy)) rotate(var(--rot)) scale(1)}}@keyframes mf-cardpop{0%{opacity:0;transform:translateY(14px)scale(.92)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes mf-badgepop{0%{transform:scale(0)rotate(-24deg)}58%{transform:scale(1.18)rotate(7deg)}80%{transform:scale(.96)rotate(-2deg)}to{transform:scale(1)rotate(0)}}@keyframes mf-ringpop{0%{opacity:.85;transform:scale(.7)}70%{opacity:0;transform:scale(1.5)}to{opacity:0;transform:scale(1.6)}}@keyframes mf-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes mf-stamp{0%{opacity:0;transform:scale(1.9)rotate(-12deg)}60%{opacity:1;transform:scale(.92)rotate(3deg)}to{opacity:1;transform:scale(1)rotate(0)}}@keyframes mf-glowpulse{0%{opacity:0;transform:translate(-50%,-50%)scale(.4)}30%{opacity:1}to{opacity:0;transform:translate(-50%,-50%)scale(1.05)}}.mf-cardpop{animation:.62s cubic-bezier(.18,.9,.32,1.28) both mf-cardpop}.mf-badgepop{animation:.72s cubic-bezier(.2,.8,.3,1.3) 80ms both mf-badgepop}.mf-ringpop{animation:.9s ease-out .12s both mf-ringpop}.mf-rise{animation:.56s ease-out .2s both mf-rise}.mf-rise-late{animation:.46s ease-out .36s both mf-rise}.mf-stamp{animation:.56s cubic-bezier(.2,.8,.3,1.5) .43s both mf-stamp}.mf-glowpulse{animation:1.1s ease-out both mf-glowpulse}@media (prefers-reduced-motion:reduce){:root{--mf-hint-transition-ms:0s}.mf-star-pop{animation:none}.mf-sparkle{display:none}.mf-cardpop,.mf-badgepop,.mf-ringpop,.mf-rise,.mf-rise-late,.mf-stamp,.mf-glowpulse{animation:none}.mf-ringpop,.mf-glowpulse{opacity:0}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{background:var(--mf-app-shell,#fff6e3);color:var(--ink,#2b2418);font-family:var(--font-body,"Nunito", system-ui);-webkit-font-smoothing:antialiased;font-weight:600}#root{justify-content:center;align-items:center;height:100%;display:flex}button,input,select,textarea{font-family:inherit}.page-scroll-area::-webkit-scrollbar{width:6px}.page-scroll-area::-webkit-scrollbar-track{background:0 0}.page-scroll-area::-webkit-scrollbar-thumb{background:var(--paper-deep,#fbe7c2);border-radius:3px}.page-scroll-area::-webkit-scrollbar-thumb:hover{background:var(--rule,#e9d8b5)}.rp-btn{transition:transform .12s,box-shadow .12s}.rp-btn:hover{transform:translateY(-1px)}.rp-btn:active{transform:translateY(2px)}.mf-level-overview-grid{grid-template-columns:1.25fr 1fr;align-items:start;gap:14px;display:grid}@media (width<=719px){.mf-level-overview-grid{grid-template-columns:1fr}}