mathlab-fluency-demo{--ml-bg:light-dark(#fff,#111318);--ml-ink:light-dark(#17191e,#f3f2f0);--ml-sub:light-dark(#727781,#a1a7b3);--ml-border:light-dark(#eaecef,#2c3038);--ml-soft:light-dark(#f7f8fa,#1b1e25);--ml-algebra:light-dark(#fa7954,#ff987b);--ml-calculus:light-dark(#3984ff,#79acff);--ml-integration:light-dark(#269fab,#65cad4);--ml-success:light-dark(#159565,#56d8a5);--ml-error:light-dark(#db4b64,#ff8397);--ml-font:ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;color:var(--ml-ink);font-family:var(--ml-font);isolation:isolate;box-sizing:border-box;padding:20px 6px 10px;display:block;position:relative}mathlab-fluency-demo *{box-sizing:border-box}mathlab-fluency-demo [hidden]{display:none!important}mathlab-fluency-demo button{cursor:pointer;font-family:inherit}mathlab-fluency-demo button:focus-visible{outline:2px solid var(--ml-calculus);outline-offset:4px}mathlab-fluency-demo svg.lucide{flex-shrink:0;width:17px;height:17px}mathlab-fluency-demo .ml-topline{justify-content:space-between;align-items:center;gap:15px;padding-right:80px;display:flex}.ml-brand{letter-spacing:-.5px;align-items:center;gap:7px;font-weight:650;display:flex}mathlab-fluency-demo .ml-intro{flex-direction:column;align-items:flex-start;gap:12px;margin:26px 0 24px;display:flex}mathlab-fluency-demo h2{letter-spacing:-1.8px;margin:0;font-size:clamp(30px,4.4vw,43px);font-weight:600;line-height:1.08}mathlab-fluency-demo h2 span{color:var(--ml-algebra)}mathlab-fluency-demo .ml-intro p{width:100%;max-width:640px;color:var(--ml-sub);margin:0 0 3px;font-size:14px;line-height:1.7}mathlab-fluency-demo .ml-journey{flex-wrap:wrap;align-items:center;gap:12px;padding:0 0 22px;font-size:12px;display:flex}.ml-phase{color:var(--ml-sub);align-items:center;gap:6px;display:flex}.ml-phase.active{color:var(--ml-ink)}.ml-phase.done{color:var(--ml-success)}.ml-arrow{color:var(--ml-sub);opacity:.55}mathlab-fluency-demo .ml-stage{grid-template-columns:minmax(0,.92fr) minmax(0,1.14fr);align-items:stretch;gap:26px;display:grid}.ml-practice{border:1px solid var(--ml-border);background:var(--ml-bg);box-shadow:0 12px 40px color-mix(in srgb, var(--ml-ink) 5%, transparent);border-radius:20px;min-width:0;padding:21px;position:relative;overflow:hidden}.ml-practice-top{letter-spacing:1px;color:var(--ml-sub);font-variant-numeric:tabular-nums;justify-content:space-between;align-items:center;gap:7px;font-size:10px;display:flex}.ml-live{letter-spacing:1px;align-items:center;gap:6px;font-size:9px;display:flex}.ml-live>span{background:var(--ml-success);border-radius:50%;width:5px;height:5px}.ml-topic-line{align-items:center;gap:7px;margin:22px 0 0;font-size:12px;display:flex}.ml-topic-dot{background:var(--ml-algebra);border-radius:50%;width:6px;height:6px}.ml-tier{color:var(--ml-sub);margin-left:auto;font-size:10px}.ml-question{height:var(--ml-question-height,180px);overflow-wrap:anywhere;padding:23px 0;font-size:15px;line-height:1.75;display:block}.ml-question .katex{font-size:1.12em}.ml-answer-field{background:var(--ml-soft);height:var(--ml-answer-height,80px);border-radius:11px;padding:23px 34px 12px 12px;position:relative}.ml-field-label{color:var(--ml-sub);font-size:10px;position:absolute;top:8px;left:12px}.ml-answer{clip-path:inset(0 100% 0 0);max-width:100%;min-height:22px;font-size:15px}.ml-answer.revealing{clip-path:inset(0);transition:clip-path .75s steps(10,end)}.ml-caret{background:var(--ml-ink);width:1.5px;height:19px;position:absolute;bottom:16px;left:13px}.ml-mark{border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;display:flex;position:absolute;bottom:14px;right:12px}.ml-mark.correct{background:color-mix(in srgb, var(--ml-success) 12%, transparent);color:var(--ml-success)}.ml-mark.wrong{background:color-mix(in srgb, var(--ml-error) 12%, transparent);color:var(--ml-error)}.ml-mark.visible{animation:.5s cubic-bezier(.2,1.5,.3,1) ml-stamp}.ml-verdict{height:50px;color:var(--ml-sub);padding:10px 0 4px;font-size:11px}.ml-verdict.correct{color:var(--ml-success)}.ml-verdict.wrong{color:var(--ml-error)}.ml-small-label{letter-spacing:1.2px;color:var(--ml-sub);font-size:9px;font-weight:550}.ml-transfer{color:var(--ml-sub);background:var(--ml-soft);opacity:.45;justify-content:space-between;margin:16px -21px -21px;padding:11px 15px;font-size:10px;display:flex}.ml-transfer.arrived{opacity:1;color:var(--ml-success);transition:opacity .25s}.ml-transfer.arrived.wrong{color:var(--ml-error)}.ml-practice.new-question .ml-question{animation:.42s cubic-bezier(.2,.7,.3,1) ml-question-in}.ml-chart-panel{min-width:0;padding-top:3px;position:relative}.ml-chart-heading{justify-content:space-between;align-items:flex-start;gap:4px;display:flex}.ml-score-line{align-items:baseline;gap:14px;margin-top:9px;display:flex}.ml-score{letter-spacing:-2px;font-variant-numeric:tabular-nums;font-size:47px;font-weight:550;line-height:1}.ml-score span{color:var(--ml-sub);letter-spacing:-1px;margin-left:3px;font-size:22px}.ml-gain{color:var(--ml-sub);font-size:11px}.ml-gain.positive{color:var(--ml-success)}[data-ml-id=ml-chart-wrap]{width:100%;height:256px;margin-top:12px}[data-ml-id=ml-chart]{width:100%;height:100%;display:block;overflow:visible}[data-ml-id=ml-chart] text{font-family:var(--ml-font);fill:var(--ml-sub);font-size:10px}.ml-chart-legend{color:var(--ml-sub);flex-wrap:wrap;gap:15px;margin:0 0 13px 35px;font-size:10px;display:flex}.ml-chart-legend span{align-items:center;gap:5px;display:flex}.ml-line-key{background:var(--ml-algebra);width:15px;height:2px}.ml-band-key{background:color-mix(in srgb, var(--ml-algebra) 15%, transparent);border-radius:2px;width:15px;height:9px}.ml-inspect{color:var(--ml-sub);min-height:33px;padding-left:35px;font-size:11px;line-height:1.5}.ml-text-button{color:var(--ml-sub);white-space:nowrap;background:0 0;border:0;padding:2px 0;font-size:10px}.ml-skill-header{justify-content:space-between;align-items:center;margin:27px 0 13px;display:flex}.ml-hover-hint{color:var(--ml-sub);font-size:10px}.ml-skills{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.ml-skill{border:0;border-top:1px solid var(--ml-border);text-align:left;min-width:0;color:var(--ml-ink);background:0 0;padding:12px 0 0}.ml-skill-head{align-items:center;gap:6px;font-size:12px;display:flex}.ml-skill-head>span:first-child{background:var(--skill-color);border-radius:50%;width:5px;height:5px}.ml-skill-value{font-variant-numeric:tabular-nums;margin-left:auto;font-size:15px}.ml-skill.active .ml-skill-head{color:var(--skill-color)}.ml-ribbon{width:100%;height:35px;display:block}.ml-skill-note{color:var(--ml-sub);justify-content:space-between;gap:4px;font-size:10px;display:flex}.ml-skill-change{color:var(--ml-success);font-variant-numeric:tabular-nums}.ml-session-strip{align-items:center;gap:15px;margin-top:24px;display:flex}.ml-history{flex-wrap:wrap;flex:1;gap:5px;min-width:0;display:flex}.ml-history button{background:var(--ml-soft);width:20px;height:23px;color:var(--ml-sub);border:0;border-radius:5px;justify-content:center;align-items:center;padding:0;font-size:10px;display:flex}.ml-history button.correct{color:var(--ml-success);background:color-mix(in srgb, var(--ml-success) 9%, var(--ml-bg))}.ml-history button.wrong{color:var(--ml-error);background:color-mix(in srgb, var(--ml-error) 9%, var(--ml-bg))}.ml-history button.pending{opacity:.35}.ml-history button svg{width:12px!important;height:12px!important}.ml-history button.latest{animation:.45s ease-out ml-stamp}.ml-footer{border-top:1px solid var(--ml-border);justify-content:space-between;align-items:center;gap:10px;margin-top:18px;padding-top:19px;display:flex}.ml-controls{align-items:center;gap:7px;display:flex}.ml-controls button{border:1px solid var(--ml-border);background:var(--ml-bg);color:var(--ml-ink);white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 11px;font-size:11px;display:flex}.ml-controls button:disabled{opacity:.4;cursor:default}.ml-controls button:hover{background:var(--ml-soft)}[data-ml-id=ml-play]{background:var(--ml-ink);color:var(--ml-bg);border-color:var(--ml-ink)}[data-ml-id=ml-replay]{padding:8px}[data-ml-id=ml-progress-label]{color:var(--ml-sub);text-align:right;font-size:10px}.ml-data-note{color:var(--ml-sub);margin:15px 0 0;font-size:10px;line-height:1.6}.ml-tooltip{z-index:15;background:var(--ml-bg);border:1px solid var(--ml-border);box-shadow:0 8px 30px color-mix(in srgb, var(--ml-ink) 13%, transparent);pointer-events:none;width:265px;max-width:calc(100% - 12px);color:var(--ml-ink);border-radius:12px;padding:12px 14px;font-size:11px;line-height:1.6;position:absolute}.ml-tooltip b{font-weight:600}.ml-tooltip .ml-tt-top{color:var(--ml-sub);justify-content:space-between;gap:8px;margin-bottom:7px;font-size:10px;display:flex}.ml-tooltip .ml-tt-value{letter-spacing:-.5px;font-variant-numeric:tabular-nums;font-size:20px}.ml-tooltip .ml-tt-row{color:var(--ml-sub);justify-content:space-between;gap:10px;margin-top:3px;font-size:10px;display:flex}.ml-tooltip .ml-tt-question{border-top:1px solid var(--ml-border);margin-top:7px;padding-top:7px;font-size:11px}.ml-tooltip .katex{font-size:1em}.ml-tooltip .ml-tt-id{color:var(--ml-sub);overflow-wrap:anywhere;margin-top:7px;font-family:ui-monospace,monospace;font-size:9px}.ml-chart-legend{gap:9px 12px}.ml-series-key{border-top:2px solid var(--series-color);width:13px}.ml-chart-legend strong{color:var(--ml-ink);font-variant-numeric:tabular-nums;font-weight:500}.ml-compare-row{grid-template-columns:1fr auto auto;align-items:center;gap:8px;padding:5px 0;display:grid}.ml-compare-row>span{align-items:center;gap:6px;font-size:11px;display:flex}.ml-compare-row b{border-radius:50%;flex-shrink:0;width:6px;height:6px}.ml-compare-row strong{font-variant-numeric:tabular-nums;font-size:14px;font-weight:550}.ml-compare-row small{min-width:49px;color:var(--ml-sub);text-align:right;font-size:10px}@keyframes ml-stamp{0%{transform:scale(.5)rotate(-12deg)}65%{transform:scale(1.17)rotate(3deg)}to{transform:scale(1)rotate(0)}}@keyframes ml-question-in{0%{opacity:.4;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@media (width<=640px){mathlab-fluency-demo .ml-stage{grid-template-columns:1fr;gap:24px}mathlab-fluency-demo .ml-intro{flex-direction:column;align-items:flex-start;gap:12px}mathlab-fluency-demo .ml-intro p{font-size:12px}.ml-practice{padding:19px}.ml-transfer{margin-bottom:-19px;margin-left:-19px;margin-right:-19px}.ml-chart-heading{padding:0 4px}.ml-skills{gap:10px}.ml-skill-head{flex-wrap:wrap;font-size:10px}.ml-skill-value{font-size:13px}.ml-skill-note{font-size:9px}.ml-session-strip{flex-direction:column;align-items:flex-start;gap:8px}.ml-footer{flex-wrap:wrap;align-items:flex-start}.ml-topline{padding-right:0!important}.ml-journey{gap:7px!important;font-size:10px!important}.ml-phase{gap:4px}.ml-phase svg{width:14px!important;height:14px!important}.ml-hover-hint{font-size:9px}.ml-tooltip{width:250px}}@media (prefers-reduced-motion:reduce){mathlab-fluency-demo *,mathlab-fluency-demo :before{transition:none!important;animation:none!important}}mathlab-fluency-demo .ml-intro h2{font-family:var(--ml-font)}mathlab-fluency-demo .ml-topline{padding-right:0}@media (pointer:coarse){mathlab-fluency-demo .ml-history button{width:32px;min-height:44px}mathlab-fluency-demo .ml-controls button{min-height:44px}}
