:root{--bg-color: #efeeee;--text-main: #1f2937;--text-light: #4b5563;--accent-color: #059669;--accent-hover: #047857;--shadow-light: #ffffff;--shadow-dark: #d1d9e6;--neumorph-out: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);--neumorph-in: inset 6px 6px 12px var(--shadow-dark), inset -6px -6px 12px var(--shadow-light);--neumorph-flat: 0 0 0 transparent;--spacing-xs: .75rem;--spacing-sm: 1.5rem;--spacing-md: 2.5rem;--spacing-lg: 4rem;--radius-sm: 16px;--radius-md: 24px;--radius-lg: 32px;--radius-round: 50%;--color-success: #059669;--color-success-light: rgba(5, 150, 105, .1);--color-danger: #dc2626;--color-danger-light: rgba(220, 38, 38, .1)}@media(max-width:768px){:root{--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 1.5rem;--radius-md: 16px;--radius-lg: 24px}}body{background-color:var(--bg-color);color:var(--text-main);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.7;margin:0 auto;padding:var(--spacing-sm);padding-left:max(var(--spacing-sm),env(safe-area-inset-left));padding-right:max(var(--spacing-sm),env(safe-area-inset-right));max-width:900px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-weight:700;margin-bottom:var(--spacing-sm)}h3{margin-top:1rem}h1{font-size:2rem}h2{font-size:1.5rem}@media(max-width:768px){h1{font-size:1.75rem}h2{font-size:1.4rem}h3{font-size:1.25rem;margin-top:3rem}}a{color:var(--accent-color);text-decoration:none;font-weight:600;transition:color .2s ease}a:hover{color:var(--accent-hover)}table{width:100%;border-collapse:separate;border-spacing:0;margin:0;box-shadow:var(--neumorph-out);border-radius:var(--radius-sm);overflow:hidden;min-width:600px}.table-responsive{width:100%;margin:var(--spacing-md) 0;overflow-x:auto;border-radius:var(--radius-sm);box-shadow:var(--neumorph-out);-webkit-overflow-scrolling:touch}.table-responsive table{box-shadow:none;margin-bottom:0}th,td{padding:var(--spacing-sm);text-align:left;border-bottom:1px solid rgba(0,0,0,.05)}th{background-color:#fff6;font-weight:700}tr:last-child td{border-bottom:none}tr.valid-row{background-color:var(--color-success-light);transition:background-color .3s ease}tr.invalid-row{background-color:var(--color-danger-light);animation:shake .3s ease-in-out}input[type=text],textarea,select,input[type=range]{appearance:none;background-color:var(--bg-color);border:none;border-radius:var(--radius-sm);padding:var(--spacing-sm);color:var(--text-main);box-shadow:var(--neumorph-in);width:100%;outline:none;transition:box-shadow .2s ease;font-size:1rem;margin-bottom:var(--spacing-sm)}@media(max-width:768px){input[type=text],textarea,select{font-size:16px!important}}select.validate-select{cursor:pointer;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%231f2937%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right .7em top 50%;background-size:.65em auto;padding-right:1.5em;border:2px solid transparent}input[type=range]{width:100%;box-sizing:border-box;margin:0;display:block}select.validate-select.valid{border-color:var(--color-success);background-color:var(--color-success-light);color:var(--color-success);font-weight:700;box-shadow:0 0 0 2px var(--color-success),var(--neumorph-in)}select.validate-select.invalid{border-color:var(--color-danger);background-color:var(--color-danger-light);color:var(--color-danger);font-weight:700;animation:shake .3s ease-in-out}.blank-input{width:auto!important;display:inline-block;padding:4px 8px;margin:0 var(--spacing-xs);height:auto}input:focus{box-shadow:inset 4px 4px 8px var(--shadow-dark),inset -4px -4px 8px var(--shadow-light),0 0 5px #00d26a33}button{appearance:none;background-color:var(--bg-color);color:var(--accent-color);font-weight:700;border:none;border-radius:var(--radius-lg);padding:.8rem 2rem;cursor:pointer;box-shadow:var(--neumorph-out);transition:all .2s ease;text-transform:uppercase;font-size:.9rem;letter-spacing:.5px}button:hover{transform:translateY(-2px);color:var(--accent-hover)}button:active{transform:translateY(0);box-shadow:var(--neumorph-in)}label{display:flex;align-items:center;margin-bottom:var(--spacing-xs);cursor:pointer}input[type=checkbox]{appearance:none;width:20px;height:20px;border-radius:4px;box-shadow:var(--neumorph-out);margin-right:var(--spacing-sm);background-color:var(--bg-color);display:grid;place-content:center;transition:all .2s;cursor:pointer}input[type=checkbox]:before{content:"";width:10px;height:10px;border-radius:2px;background-color:var(--accent-color);transform:scale(0);transition:.2s transform ease-in-out}input[type=checkbox]:checked{box-shadow:var(--neumorph-in)}input[type=checkbox]:checked:before{transform:scale(1)}.course-hero,.lesson-header{background-color:var(--bg-color);border-radius:var(--radius-md);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--neumorph-out);text-align:center}.course-hero h1,.lesson-header h1{font-size:2.5rem;margin-bottom:var(--spacing-sm);color:var(--accent-color)}.course-description,.lesson-meta{color:var(--text-light);font-size:.9rem}.course-description{font-size:1.1rem;max-width:700px;margin:0 auto;line-height:1.8}.progress-bar{position:sticky;top:10px;z-index:1000;display:flex;justify-content:flex-start;align-items:center;background-color:var(--bg-color);padding:var(--spacing-xs);border-radius:var(--radius-lg);margin-bottom:var(--spacing-lg);box-shadow:6px 6px 12px #0000001a,-6px -6px 12px #fff;overflow-x:auto;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;max-width:100%}.progress-bar::-webkit-scrollbar{display:none}.progress-segment{flex:0 0 auto;text-align:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:.85rem;font-weight:600;color:var(--text-light);border-radius:var(--radius-md);margin-right:8px;cursor:pointer;transition:all .3s ease;white-space:nowrap}.progress-segment.active{color:var(--accent-color);box-shadow:var(--neumorph-in)}.progress-segment:hover{color:var(--text-main)}.section{background-color:var(--bg-color);border-radius:var(--radius-md);margin-bottom:var(--spacing-lg);box-shadow:var(--neumorph-out);overflow:hidden;transition:all .3s ease}.section-header{padding:var(--spacing-md);display:flex;justify-content:space-between;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none}.section-header h2{margin:0;font-size:1.25rem}.chevron{transition:transform .3s ease;color:var(--text-light)}.section.open .chevron{transform:rotate(180deg)}.section-content{padding:0 var(--spacing-md) var(--spacing-md);display:none}.section.open .section-content{display:block;animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.callout{margin:var(--spacing-md) 0;padding:var(--spacing-md);border-radius:var(--radius-sm);background-color:var(--bg-color);box-shadow:var(--neumorph-out);border-left:5px solid transparent}.callout.info{border-left-color:#3b82f6}.callout.warning{border-left-color:#f59e0b}.callout.danger{border-left-color:#ef4444}.definition-box{margin:var(--spacing-md) 0;padding:var(--spacing-md);border-radius:var(--radius-sm);box-shadow:var(--neumorph-in);background-color:var(--bg-color)}.definition-formal{margin-top:var(--spacing-sm);padding:var(--spacing-sm);border-left:3px solid var(--text-light);color:var(--text-main)}.definition-why{margin-top:var(--spacing-md)}.diagnostic-box{background-color:var(--bg-color);padding:var(--spacing-md);border-radius:var(--radius-md);box-shadow:var(--neumorph-out);margin:var(--spacing-md) 0;border:1px solid rgba(255,255,255,.5)}.retrieval-checkpoint{background-color:#fff;padding:var(--spacing-md);border-radius:var(--radius-md);box-shadow:var(--neumorph-out);margin:var(--spacing-lg) 0;border-left:6px solid var(--color-success)}.section-category{margin-bottom:var(--spacing-lg)}.category-header{background-color:var(--bg-color);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-md);box-shadow:var(--neumorph-out)}.category-header h2{color:var(--accent-color);margin:0;font-size:1.75rem}.lessons-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}@media(min-width:768px){.lessons-grid{grid-template-columns:repeat(2,1fr)}}.lesson-card{background-color:var(--bg-color);border-radius:var(--radius-sm);padding:var(--spacing-md);box-shadow:var(--neumorph-out);transition:all .3s ease;text-decoration:none;display:block;border-left:5px solid var(--accent-color)}.lesson-card:hover{transform:translateY(-4px);box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light)}.lesson-code{font-size:1.25rem;font-weight:700;color:var(--accent-color);margin-bottom:var(--spacing-xs)}.lesson-title{font-size:1rem;font-weight:600;color:var(--text-main);margin-bottom:var(--spacing-sm)}.lesson-outcome{font-size:.9rem;color:var(--text-light);margin-bottom:var(--spacing-sm);font-style:italic}.lesson-topics{font-size:.85rem;color:var(--text-light)}.lesson-topics ul{margin:0;padding-left:1.2rem;list-style-type:disc}.lesson-topics li{margin-bottom:.25rem}.coming-soon{opacity:.6;cursor:not-allowed;border-left-color:var(--text-light)}.coming-soon:hover{transform:none;box-shadow:var(--neumorph-out)}.coming-soon-badge{display:inline-block;background-color:var(--text-light);color:#fff;padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;margin-left:.5rem}.cross-cutting-themes{background-color:var(--bg-color);border-radius:var(--radius-md);padding:var(--spacing-md);box-shadow:var(--neumorph-in);margin-top:var(--spacing-lg)}.cross-cutting-themes h3{color:var(--accent-color);margin-top:0}.cross-cutting-themes p{color:var(--text-light);margin-bottom:var(--spacing-md)}.themes-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-sm)}@media(min-width:600px){.themes-grid{grid-template-columns:repeat(2,1fr)}}.theme-item{padding:var(--spacing-sm)}.theme-item h4{color:var(--text-main);margin-top:0;margin-bottom:var(--spacing-xs);font-size:1rem}.theme-item ul{margin:0;padding-left:1.2rem;font-size:.9rem;color:var(--text-light)}.visual-container{display:flex;flex-direction:column;align-items:center;margin:var(--spacing-lg) 0;padding:var(--spacing-md);background-color:var(--bg-color);border-radius:var(--radius-md);box-shadow:var(--neumorph-out)}.caption{margin-top:var(--spacing-sm);font-size:.85rem;color:var(--text-light);font-style:italic}.mermaid{display:flex;justify-content:center;margin:var(--spacing-md) 0}.hero-image{max-width:100%;height:auto;border-radius:var(--radius-md);box-shadow:var(--neumorph-out)}.min-h-screen-centered{min-height:80vh;display:flex;flex-direction:column;justify-content:center}.hero-container{text-align:center;margin-bottom:var(--spacing-md)}.hero-image{max-width:100%;height:auto;border-radius:var(--radius-md);box-shadow:var(--neumorph-out);object-fit:contain;max-height:400px}figure.viz-container figcaption{font-size:.85rem;color:var(--text-light);opacity:.75;margin-top:var(--spacing-sm);font-style:italic}.comparison-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md)}@media(min-width:600px){.comparison-grid{grid-template-columns:1fr 1fr}}.comparison-card{padding:var(--spacing-md);border-radius:var(--radius-sm);background-color:var(--bg-color);box-shadow:var(--neumorph-out);text-align:center}.comparison-card h4{color:var(--accent-color);margin-top:0}details{margin:var(--spacing-sm) 0;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);box-shadow:var(--neumorph-out);background-color:var(--bg-color)}summary{cursor:pointer;font-weight:600;outline:none;color:var(--accent-color)}details[open] summary{margin-bottom:var(--spacing-sm);border-bottom:1px solid rgba(0,0,0,.05);padding-bottom:var(--spacing-xs)}.path-selector{display:flex;gap:var(--spacing-md);justify-content:center;margin-bottom:var(--spacing-lg);flex-wrap:wrap}.path-btn{flex:1;min-width:250px;padding:var(--spacing-md);text-align:left;display:flex;flex-direction:column;align-items:flex-start;background-color:var(--bg-color);color:var(--text-main);font-size:1.1rem;height:auto}.path-btn small{display:block;margin-top:var(--spacing-xs);font-size:.85rem;font-weight:400;color:var(--text-light)}.path-btn.active{box-shadow:var(--neumorph-in);color:var(--accent-color);border:1px solid transparent}.path-content{display:block;margin-top:var(--spacing-lg);padding-top:var(--spacing-md);border-top:1px dashed rgba(0,0,0,.1)}.path-content.active{display:block}.confidence-slider{margin:var(--spacing-lg) 0;padding:var(--spacing-lg);background-color:var(--bg-color);border-radius:var(--radius-md);box-shadow:var(--neumorph-out)}.confidence-slider h3{margin-top:0;margin-bottom:var(--spacing-md);font-size:1.1rem}.confidence-slider .slider-track-container{position:relative;width:100%;height:50px;display:flex;align-items:center;margin:var(--spacing-md) 0}.confidence-slider input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:40px;background:var(--bg-color);border-radius:25px;outline:none;box-shadow:inset 6px 6px 12px var(--shadow-dark),inset -6px -6px 12px var(--shadow-light);position:relative;cursor:pointer}.confidence-slider input[type=range]::-webkit-slider-runnable-track{height:40px;border-radius:25px;background:transparent;position:relative}.confidence-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:54px;height:54px;border-radius:50%;background:linear-gradient(145deg,#fff,#e6e6e6);cursor:pointer;box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light),inset 2px 2px 4px #fffc,inset -2px -2px 4px #0000000d;border:none;margin-top:-7px;transition:transform .2s ease,box-shadow .2s ease;z-index:2}.confidence-slider input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.05);box-shadow:10px 10px 20px var(--shadow-dark),-10px -10px 20px var(--shadow-light),inset 2px 2px 4px #ffffffe6,inset -2px -2px 4px #00000014}.confidence-slider input[type=range]::-webkit-slider-thumb:active{transform:scale(.98);box-shadow:4px 4px 8px var(--shadow-dark),-4px -4px 8px var(--shadow-light),inset 3px 3px 6px #0000001a,inset -3px -3px 6px #ffffffe6}.confidence-slider input[type=range]::-moz-range-thumb{width:54px;height:54px;border-radius:50%;background:linear-gradient(145deg,#fff,#e6e6e6);cursor:pointer;box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light),inset 2px 2px 4px #fffc,inset -2px -2px 4px #0000000d;border:none;transition:transform .2s ease,box-shadow .2s ease}.confidence-slider input[type=range]::-moz-range-thumb:hover{transform:scale(1.05)}.confidence-slider input[type=range]::-moz-range-track{height:40px;border-radius:25px;background:var(--bg-color)}.confidence-slider input[type=range]::-moz-range-progress{height:40px;border-radius:25px 0 0 25px;background:transparent}.slider-labels{display:flex;justify-content:space-between;align-items:center;font-size:.95rem;color:var(--text-light);margin-top:var(--spacing-sm);padding:0 var(--spacing-sm)}.slider-labels span{font-weight:600;color:var(--text-main)}.confidence-slider output,.confidence-slider .slider-value{display:block;text-align:center;font-size:2rem;font-weight:700;color:var(--accent-color);margin-top:var(--spacing-sm)}.feynman-challenge{margin:var(--spacing-md) 0;padding:var(--spacing-md);background-color:var(--bg-color);border-radius:var(--radius-sm);box-shadow:var(--neumorph-out)}.feynman-challenge h3{margin-top:0;margin-bottom:var(--spacing-sm)}.feynman-challenge textarea{width:100%;box-sizing:border-box;resize:vertical}.expert-thought,.misconception-trap,.prediction-checkpoint,.reading-toolkit{margin:var(--spacing-md) 0;padding:var(--spacing-md);background-color:var(--bg-color);border-radius:var(--radius-sm);box-shadow:var(--neumorph-out)}.solutions-link{text-align:center;padding:var(--spacing-lg)}.btn-primary{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);background-color:var(--accent-color);color:#fff;border-radius:var(--radius-lg);text-decoration:none;font-weight:700;box-shadow:var(--neumorph-out);transition:all .2s ease}.btn-primary:hover{background-color:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.home-button{position:fixed;top:20px;left:20px;right:auto;width:48px;height:48px;background-color:var(--bg-color);border-radius:var(--radius-round);box-shadow:var(--neumorph-out);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;z-index:1000;text-decoration:none;font-size:1.5rem;opacity:.8}.home-button:hover{transform:scale(1.1);box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light);opacity:1}.home-button:active{box-shadow:var(--neumorph-in);transform:scale(.95)}@media(max-width:768px){.home-button{top:15px;left:15px;right:auto;width:44px;height:44px;font-size:1.25rem}}.viz-slider-container{margin:var(--spacing-md) 0;padding:var(--spacing-md);background-color:var(--bg-color);border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm)}.viz-slider-container input[type=range]{-webkit-appearance:none;appearance:none;width:100%;max-width:600px;height:40px;background:var(--bg-color);border-radius:25px;outline:none;box-shadow:inset 6px 6px 12px var(--shadow-dark),inset -6px -6px 12px var(--shadow-light);position:relative;cursor:pointer;margin:0;padding:0}.viz-slider-container input[type=range]::-webkit-slider-runnable-track{height:40px;border-radius:25px;background:transparent}.viz-slider-container input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:54px;height:54px;border-radius:50%;background:linear-gradient(145deg,#fff,#e6e6e6);cursor:pointer;box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light),inset 2px 2px 4px #fffc,inset -2px -2px 4px #0000000d;border:none;margin-top:-7px;transition:transform .2s ease,box-shadow .2s ease;z-index:2}.viz-slider-container input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.05);box-shadow:10px 10px 20px var(--shadow-dark),-10px -10px 20px var(--shadow-light),inset 2px 2px 4px #ffffffe6,inset -2px -2px 4px #00000014}.viz-slider-container input[type=range]::-webkit-slider-thumb:active{transform:scale(.98);box-shadow:4px 4px 8px var(--shadow-dark),-4px -4px 8px var(--shadow-light),inset 3px 3px 6px #0000001a,inset -3px -3px 6px #ffffffe6}.viz-slider-container input[type=range]::-moz-range-thumb{width:54px;height:54px;border-radius:50%;background:linear-gradient(145deg,#fff,#e6e6e6);cursor:pointer;box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light),inset 2px 2px 4px #fffc,inset -2px -2px 4px #0000000d;border:none;transition:transform .2s ease,box-shadow .2s ease}.viz-slider-container input[type=range]::-moz-range-thumb:hover{transform:scale(1.05)}.viz-slider-container input[type=range]::-moz-range-track{height:40px;border-radius:25px;background:var(--bg-color)}.viz-slider-labels{display:flex;justify-content:space-between;width:100%;max-width:600px;font-size:.9rem;color:var(--text-light);font-weight:600;padding:0 var(--spacing-sm)}.viz-slider-legend{display:flex;gap:var(--spacing-md);font-size:.8rem;color:var(--text-light);flex-wrap:wrap;justify-content:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.math-responsive{overflow-x:auto;overflow-y:hidden;max-width:100%;padding:var(--spacing-xs) 0;-webkit-overflow-scrolling:touch}.solution-block{background:#f9f9f9;border-left:4px solid var(--accent-color);padding:20px;margin-bottom:30px;border-radius:0 8px 8px 0}.solution-header{font-weight:700;color:var(--text-color);margin-bottom:15px;font-size:1.2rem}.calculation-steps{font-family:monospace;background:#fff;padding:15px;border-radius:8px;border:1px solid #ddd;margin:10px 0}.viz-chart-title{font-size:16px;font-weight:600;fill:#1f2937}#viz-pop-sample .dot{transition:all .5s ease}#viz-pop-sample .dot.sampled{stroke:#0071e3;stroke-width:2px;fill:#0071e3;r:6}#viz-pop-sample .dot.population{fill:#d1d5db}#viz-variables-tree .node-rect{fill:#fff;stroke:#d1d5db;stroke-width:2px;transition:all .2s ease;cursor:help}#viz-variables-tree .node-group:hover .node-rect,#viz-variables-tree .node-group:focus .node-rect,#viz-variables-tree .node-group.active .node-rect{stroke:#0071e3;fill:#f0f9ff;stroke-width:3px}#viz-variables-tree .node-text{font-family:inherit;font-weight:600;pointer-events:none;fill:#1d1d1f}#viz-variables-tree .link{fill:none;stroke:#9ca3af;stroke-width:2px;transition:stroke .2s ease}#viz-variables-tree .node-group:hover~.link.active-path,#viz-variables-tree .node-group:focus~.link.active-path{stroke:#0071e3}#viz-info-panel{margin-top:1rem;padding:1rem;background:#f5f5f7;border-radius:12px;border-left:5px solid #0071e3;min-height:80px;transition:opacity .2s}#viz-stratified .stratum-box{cursor:pointer;transition:all .2s ease;fill:#f5f5f7;stroke:#d1d5db;stroke-width:2px}#viz-stratified .stratum-box:hover{stroke-width:3px;filter:drop-shadow(0 4px 6px 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.viz-axis-title{font-size:13px;fill:#374151;font-weight:500}#viz-histogram-binwidth .viz-binwidth-bar{cursor:pointer}#viz-histogram-binwidth .viz-binwidth-bar:focus{outline:2px solid #374151;outline-offset:2px}@media(prefers-reduced-motion:reduce){#viz-histogram-binwidth .viz-binwidth-bar{transition:none!important}}.viz-ex1-bar{transition:opacity .2s}.viz-ex1-bar:hover{opacity:.8}.viz-marker-line{stroke-dasharray:4,2}.viz-marker-label{font-size:11px;font-weight:600}.neumorph-slider{-webkit-appearance:none;appearance:none;width:100%;height:40px;background:var(--bg-color);border-radius:25px;outline:none;box-shadow:inset 6px 6px 12px var(--shadow-dark),inset -6px -6px 12px var(--shadow-light);position:relative;cursor:pointer;margin:0;padding:0}.neumorph-slider::-webkit-slider-runnable-track{height:40px;border-radius:25px;background:transparent}.neumorph-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:54px;height:54px;border-radius:50%;background:linear-gradient(145deg,#fff,#e6e6e6);cursor:pointer;box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light),inset 2px 2px 4px #fffc,inset -2px -2px 4px #0000000d;border:none;margin-top:-7px;transition:transform .2s ease,box-shadow .2s ease;z-index:2}.neumorph-slider::-webkit-slider-thumb:hover{transform:scale(1.05);box-shadow:10px 10px 20px var(--shadow-dark),-10px -10px 20px var(--shadow-light),inset 2px 2px 4px #ffffffe6,inset -2px -2px 4px #00000014}.neumorph-slider::-webkit-slider-thumb:active{transform:scale(.98);box-shadow:4px 4px 8px var(--shadow-dark),-4px -4px 8px var(--shadow-light),inset 3px 3px 6px #0000001a,inset -3px -3px 6px #ffffffe6}.neumorph-slider::-moz-range-thumb{width:54px;height:54px;border-radius:50%;background:linear-gradient(145deg,#fff,#e6e6e6);cursor:pointer;box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light),inset 2px 2px 4px #fffc,inset -2px -2px 4px #0000000d;border:none;transition:transform .2s ease,box-shadow .2s ease}.neumorph-slider::-moz-range-track{height:40px;border-radius:25px;background:var(--bg-color)}.flex{display:flex}.flex-col{flex-direction:column}.flex-row{flex-direction:row}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.flex-wrap{flex-wrap:wrap}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.m-0{margin:0!important}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.my-md{margin-top:var(--spacing-md);margin-bottom:var(--spacing-md)}.p-0{padding:0!important}.p-sm{padding:var(--spacing-sm)}.p-md{padding:var(--spacing-md)}.py-md{padding-top:var(--spacing-md);padding-bottom:var(--spacing-md)}.text-center{text-align:center}.text-right{text-align:right}.font-medium{font-weight:500}.font-bold{font-weight:700}.font-semibold{font-weight:600}.text-sm{font-size:.875rem}.text-md{font-size:1rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-primary{color:var(--text-main, 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#6e6e73)}.text-accent{color:var(--accent-color)}.italic{font-style:italic}.font-tabular{font-variant-numeric:tabular-nums}.hidden{display:none!important}.block{display:block}.inline-block{display:inline-block}.w-full{width:100%}.h-full{height:100%}.w-xs{width:4rem}.w-sm{width:6rem}.w-md{width:8rem}.w-lg{width:12rem}.h-6{height:1.5rem}.rounded-sm{border-radius:var(--radius-sm)}.rounded-md{border-radius:var(--radius-md)}.shadow-out{box-shadow:var(--neumorph-out)}.shadow-in{box-shadow:var(--neumorph-in)}.cursor-pointer{cursor:pointer}.z-top{z-index:9999}.z-10{z-index:10}.relative{position:relative}.absolute{position:absolute}.fixed{position:fixed}.legend-color-mean{color:#fe6100}.legend-color-median{color:#785ef0}.legend-color-mode{color:#dc267f}.text-mean{color:#fe6100}.text-median{color:#785ef0}.text-mode{color:#dc267f}.bg-transparent{background:transparent}.h-auto{height:auto}.shadow-none{box-shadow:none!important}.language-switcher[data-astro-cid-sckkx6r4]{position:fixed;top:1rem;right:1rem;z-index:1000;background:#fffc;backdrop-filter:blur(10px);padding:.5rem 1rem;border-radius:999px;box-shadow:0 4px 6px -1px #0000001a;display:flex;align-items:center;gap:.5rem;font-family:system-ui,sans-serif;font-size:.875rem;border:1px solid rgba(0,0,0,.05)}.lang-link[data-astro-cid-sckkx6r4]{text-decoration:none;color:#666;font-weight:500;transition:color .2s}.lang-link[data-astro-cid-sckkx6r4]:hover{color:#000}.lang-link[data-astro-cid-sckkx6r4].active{color:#0071e3;font-weight:700}.separator[data-astro-cid-sckkx6r4]{color:#ccc}