@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-leading:initial;--tw-font-weight:initial;--tw-tracking:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--color-red-500:oklch(63.7% .237 25.331);--color-red-700:oklch(50.5% .213 27.518);--color-amber-100:oklch(96.2% .059 95.617);--color-amber-200:oklch(92.4% .12 95.746);--color-amber-400:oklch(82.8% .189 84.429);--color-amber-900:oklch(41.4% .112 45.904);--color-emerald-100:oklch(95% .052 163.051);--color-emerald-200:oklch(90.5% .093 164.15);--color-emerald-500:oklch(69.6% .17 162.48);--color-emerald-900:oklch(37.8% .077 168.94);--color-sky-100:oklch(95.1% .026 236.824);--color-sky-200:oklch(90.1% .058 230.902);--color-sky-900:oklch(39.1% .09 240.876);--color-rose-100:oklch(94.1% .03 12.58);--color-rose-200:oklch(89.2% .058 10.001);--color-rose-900:oklch(41% .159 10.272);--color-white:#fff;--spacing:.25rem;--container-xs:20rem;--container-md:28rem;--container-4xl:56rem;--text-xs:.75rem;--text-xs--line-height:calc(1 / .75);--text-sm:.875rem;--text-sm--line-height:calc(1.25 / .875);--text-base:1rem;--text-base--line-height: 1.5 ;--text-lg:1.125rem;--text-lg--line-height:calc(1.75 / 1.125);--text-xl:1.25rem;--text-xl--line-height:calc(1.75 / 1.25);--text-2xl:1.5rem;--text-2xl--line-height:calc(2 / 1.5);--font-weight-medium:500;--font-weight-semibold:600;--tracking-tight:-.025em;--leading-tight:1.25;--leading-snug:1.375;--radius-2xl:1rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--default-mono-font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}*{border-color:var(--border);outline-color:var(--ring)}@supports (color:color-mix(in lab,red,red)){*{outline-color:color-mix(in oklab,var(--ring) 50%,transparent)}}body{background-color:var(--background);color:var(--foreground);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}}@layer components;@layer utilities{.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.mx-auto{margin-inline:auto}.mt-2{margin-top:calc(var(--spacing) * 2)}.mt-3{margin-top:calc(var(--spacing) * 3)}.mr-2{margin-right:calc(var(--spacing) * 2)}.mb-1{margin-bottom:var(--spacing)}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-flex{display:inline-flex}.table{display:table}.size-2{width:calc(var(--spacing) * 2);height:calc(var(--spacing) * 2)}.size-6{width:calc(var(--spacing) * 6);height:calc(var(--spacing) * 6)}.h-8{height:calc(var(--spacing) * 8)}.h-10{height:calc(var(--spacing) * 10)}.h-12{height:calc(var(--spacing) * 12)}.max-h-48{max-height:calc(var(--spacing) * 48)}.max-h-72{max-height:calc(var(--spacing) * 72)}.max-h-\[420px\]{max-height:420px}.min-h-14{min-height:calc(var(--spacing) * 14)}.min-h-40{min-height:calc(var(--spacing) * 40)}.w-24{width:calc(var(--spacing) * 24)}.w-full{width:100%}.max-w-4xl{max-width:var(--container-4xl)}.max-w-\[85\%\]{max-width:85%}.max-w-md{max-width:var(--container-md)}.max-w-xs{max-width:var(--container-xs)}.shrink-0{flex-shrink:0}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.animate-\[fadein_\.3s_ease-out\]{animation:.3s ease-out fadein}.animate-\[fadein_\.35s_ease-out\]{animation:.35s ease-out fadein}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-baseline{align-items:baseline}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:var(--spacing)}.gap-2{gap:calc(var(--spacing) * 2)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}.gap-6{gap:calc(var(--spacing) * 6)}.self-end{align-self:flex-end}.self-start{align-self:flex-start}.overflow-auto{overflow:auto}.overflow-x-auto{overflow-x:auto}.overflow-y-auto{overflow-y:auto}.rounded{border-radius:.25rem}.rounded-2xl{border-radius:var(--radius-2xl)}.rounded-full{border-radius:3.40282e38px}.rounded-lg{border-radius:var(--radius)}.rounded-md{border-radius:calc(var(--radius) - 2px)}.rounded-xl{border-radius:calc(var(--radius) + 4px)}.border{border-style:var(--tw-border-style);border-width:1px}.border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.border-b{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.border-amber-200{border-color:var(--color-amber-200)}.border-destructive\/30{border-color:var(--destructive)}@supports (color:color-mix(in lab,red,red)){.border-destructive\/30{border-color:color-mix(in oklab,var(--destructive) 30%,transparent)}}.border-emerald-200{border-color:var(--color-emerald-200)}.border-rose-200{border-color:var(--color-rose-200)}.border-sky-200{border-color:var(--color-sky-200)}.bg-amber-100{background-color:var(--color-amber-100)}.bg-amber-400{background-color:var(--color-amber-400)}.bg-background{background-color:var(--background)}.bg-card{background-color:var(--card)}.bg-destructive,.bg-destructive\/10{background-color:var(--destructive)}@supports (color:color-mix(in lab,red,red)){.bg-destructive\/10{background-color:color-mix(in oklab,var(--destructive) 10%,transparent)}}.bg-emerald-100{background-color:var(--color-emerald-100)}.bg-emerald-500{background-color:var(--color-emerald-500)}.bg-muted{background-color:var(--muted)}.bg-primary{background-color:var(--primary)}.bg-red-500{background-color:var(--color-red-500)}.bg-rose-100{background-color:var(--color-rose-100)}.bg-secondary{background-color:var(--secondary)}.bg-sky-100{background-color:var(--color-sky-100)}.p-2{padding:calc(var(--spacing) * 2)}.p-4{padding:calc(var(--spacing) * 4)}.p-6{padding:calc(var(--spacing) * 6)}.px-2{padding-inline:calc(var(--spacing) * 2)}.px-2\.5{padding-inline:calc(var(--spacing) * 2.5)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-4{padding-inline:calc(var(--spacing) * 4)}.px-6{padding-inline:calc(var(--spacing) * 6)}.py-0\.5{padding-block:calc(var(--spacing) * .5)}.py-1{padding-block:var(--spacing)}.py-2{padding-block:calc(var(--spacing) * 2)}.py-3{padding-block:calc(var(--spacing) * 3)}.py-16{padding-block:calc(var(--spacing) * 16)}.text-center{text-align:center}.text-left{text-align:left}.font-mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.text-\[11px\]{font-size:11px}.text-\[15px\]{font-size:15px}.leading-snug{--tw-leading:var(--leading-snug);line-height:var(--leading-snug)}.leading-tight{--tw-leading:var(--leading-tight);line-height:var(--leading-tight)}.font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.whitespace-pre-wrap{white-space:pre-wrap}.text-amber-900{color:var(--color-amber-900)}.text-card-foreground{color:var(--card-foreground)}.text-destructive{color:var(--destructive)}.text-emerald-900{color:var(--color-emerald-900)}.text-muted-foreground{color:var(--muted-foreground)}.text-primary-foreground{color:var(--primary-foreground)}.text-red-700{color:var(--color-red-700)}.text-rose-900{color:var(--color-rose-900)}.text-secondary-foreground{color:var(--secondary-foreground)}.text-sky-900{color:var(--color-sky-900)}.text-white{color:var(--color-white)}.lowercase{text-transform:lowercase}.italic{font-style:italic}.underline{text-decoration-line:underline}.opacity-60{opacity:.6}.shadow-xs{--tw-shadow:0 1px 2px 0 var(--tw-shadow-color,#0000000d);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition-colors{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.outline-none{--tw-outline-style:none;outline-style:none}@media(hover:hover){.hover\:bg-accent:hover{background-color:var(--accent)}.hover\:bg-destructive\/90:hover{background-color:var(--destructive)}@supports (color:color-mix(in lab,red,red)){.hover\:bg-destructive\/90:hover{background-color:color-mix(in oklab,var(--destructive) 90%,transparent)}}.hover\:bg-primary\/90:hover{background-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.hover\:bg-primary\/90:hover{background-color:color-mix(in oklab,var(--primary) 90%,transparent)}}.hover\:bg-secondary\/80:hover{background-color:var(--secondary)}@supports (color:color-mix(in lab,red,red)){.hover\:bg-secondary\/80:hover{background-color:color-mix(in oklab,var(--secondary) 80%,transparent)}}}.focus\:ring-2:focus{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.focus\:ring-ring\/50:focus{--tw-ring-color:var(--ring)}@supports (color:color-mix(in lab,red,red)){.focus\:ring-ring\/50:focus{--tw-ring-color:color-mix(in oklab, var(--ring) 50%, transparent)}}.disabled\:pointer-events-none:disabled{pointer-events:none}.disabled\:opacity-50:disabled{opacity:.5}.dark\:bg-amber-900\/40:is(.dark *){background-color:#7b330666}@supports (color:color-mix(in lab,red,red)){.dark\:bg-amber-900\/40:is(.dark *){background-color:color-mix(in oklab,var(--color-amber-900) 40%,transparent)}}.dark\:bg-emerald-900\/40:is(.dark *){background-color:#004e3b66}@supports (color:color-mix(in lab,red,red)){.dark\:bg-emerald-900\/40:is(.dark *){background-color:color-mix(in oklab,var(--color-emerald-900) 40%,transparent)}}.dark\:bg-rose-900\/40:is(.dark *){background-color:#8b083666}@supports (color:color-mix(in lab,red,red)){.dark\:bg-rose-900\/40:is(.dark *){background-color:color-mix(in oklab,var(--color-rose-900) 40%,transparent)}}.dark\:bg-sky-900\/40:is(.dark *){background-color:#024a7066}@supports (color:color-mix(in lab,red,red)){.dark\:bg-sky-900\/40:is(.dark *){background-color:color-mix(in oklab,var(--color-sky-900) 40%,transparent)}}.dark\:text-amber-100:is(.dark *){color:var(--color-amber-100)}.dark\:text-emerald-100:is(.dark *){color:var(--color-emerald-100)}.dark\:text-rose-100:is(.dark *){color:var(--color-rose-100)}.dark\:text-sky-100:is(.dark *){color:var(--color-sky-100)}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(./KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(./KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(./KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(./KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(./KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(./KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(./KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(./KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(./KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(./KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(./KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(./KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(./KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(./KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(./KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(./KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(./KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(./KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(./KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(./KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(./KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(./KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(./KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(./KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(./KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(./KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(./KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(./KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(./KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(./KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(./KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(./KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(./KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(./KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(./KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(./KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(./KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(./KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(./KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(./KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(./KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(./KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(./KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(./KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(./KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(./KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(./KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(./KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(./KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(./KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(./KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(./KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(./KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(./KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(./KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(./KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(./KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(./KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(./KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.19.1"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}:root{--radius:.625rem;--background:oklch(100% 0 0);--foreground:oklch(14.5% 0 0);--card:oklch(100% 0 0);--card-foreground:oklch(14.5% 0 0);--primary:oklch(20.5% 0 0);--primary-foreground:oklch(98.5% 0 0);--secondary:oklch(97% 0 0);--secondary-foreground:oklch(20.5% 0 0);--muted:oklch(97% 0 0);--muted-foreground:oklch(55.6% 0 0);--accent:oklch(97% 0 0);--accent-foreground:oklch(20.5% 0 0);--destructive:oklch(57.7% .245 27.325);--border:oklch(92.2% 0 0);--input:oklch(92.2% 0 0);--ring:oklch(70.8% 0 0);--chart-1:oklch(64.6% .222 41.116);--chart-2:oklch(60% .118 184.704);--chart-3:oklch(39.8% .07 227.392);--chart-4:oklch(82.8% .189 84.429);--chart-5:oklch(76.9% .188 70.08)}.dark{--background:oklch(14.5% 0 0);--foreground:oklch(98.5% 0 0);--card:oklch(20.5% 0 0);--card-foreground:oklch(98.5% 0 0);--primary:oklch(92.2% 0 0);--primary-foreground:oklch(20.5% 0 0);--secondary:oklch(26.9% 0 0);--secondary-foreground:oklch(98.5% 0 0);--muted:oklch(26.9% 0 0);--muted-foreground:oklch(70.8% 0 0);--accent:oklch(37.1% 0 0);--accent-foreground:oklch(98.5% 0 0);--destructive:oklch(70.4% .191 22.216);--border:oklch(100% 0 0/.1);--input:oklch(100% 0 0/.15);--ring:oklch(55.6% 0 0);--chart-1:oklch(48.8% .243 264.376);--chart-2:oklch(69.6% .17 162.48);--chart-3:oklch(76.9% .188 70.08);--chart-4:oklch(62.7% .265 303.9);--chart-5:oklch(64.5% .246 16.439)}@keyframes fadein{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}.learning-workspace{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.55}.learning-workspace *{box-sizing:border-box}.learning-workspace button,.learning-workspace select{font-family:inherit;line-height:inherit;cursor:pointer;border:1px solid #e3e7ed;border-radius:10px;background:#fff;padding:10px 14px;font-weight:600}.learning-workspace button:disabled,.learning-workspace select:disabled{opacity:.48;cursor:not-allowed}.engine-intro{padding:42px 0 30px;position:relative}.engine-intro h1{font-size:clamp(36px,5vw,64px);letter-spacing:-2px;line-height:1.05;margin:12px 0 16px}.engine-intro em{font-family:Georgia,serif;color:#7886ac;font-weight:400}.engine-intro p{font-size:14px;position:absolute;right:0;bottom:34px;color:#7e8898}.learning-workspace{--ink: #283349;--soft-ink: #68758c;--accent: #6676b5;--accent-soft: #eef0fa;--paper: #fffefb;--line: #e3e7ed;--token: #587c69;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:28px;margin-bottom:20px;min-width:0;isolation:isolate}.learning-workspace h2{font-size:clamp(22px,3vw,30px);line-height:1.2;letter-spacing:-.8px;margin:18px 0 10px}.learning-workspace h3{font-size:16px;margin:0;color:var(--ink);font-weight:650}.learning-workspace button,.learning-workspace select{color:var(--ink);border-color:var(--line)}.learning-workspace button{min-height:42px}.learning-workspace button:focus-visible,.learning-workspace [tabindex]:focus-visible,.learning-workspace select:focus-visible{outline:3px solid #b18b44;outline-offset:4px}.learning-workspace button:hover:not(:disabled){background:#f3f4fa;border-color:#afb8d6}.lab-workspace-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.lab-kicker{display:flex;align-items:center;gap:7px;font-size:10px;letter-spacing:1.4px;text-transform:uppercase;font-weight:750;color:#7984a5}.lab-kicker i{height:7px;width:7px;background:#8493c0;border-radius:50%}.lab-live-label{font-size:10px;color:#96a0ad}.lab-question{font-size:15px;line-height:1.6;max-width:650px;color:var(--soft-ink);margin-bottom:22px}.lab-instruction{display:flex;gap:10px;align-items:center;padding:12px 15px;border-radius:12px;background:#f3f4f9;font-size:12px;color:#667189;margin-bottom:22px}.instruction-number{display:grid;place-items:center;width:23px;height:23px;background:#fff;color:#7b86ac;border-radius:50%;flex-shrink:0;font-weight:700}.lab-section-label{display:flex;justify-content:space-between;gap:12px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:#8791a1;margin-bottom:16px}.lab-tray{background:#f8f9fb;border:1px solid #e9ecf2;padding:20px;border-radius:17px;min-height:145px;transition:background .15s}.lab-token-grid{display:flex;flex-wrap:wrap;gap:9px;align-content:flex-start;min-height:10px}.lab-token-wrap{position:relative;min-width:0;flex:0 1 90px}.lab-token-wrap.dragging{z-index:100}.learning-workspace .lab-token{touch-action:none;-webkit-user-select:none;user-select:none;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:100%;height:98px;border-radius:14px;background:#fff;box-shadow:0 3px #e8ebef;padding:10px 5px;color:var(--token);font-size:11px;font-weight:600;line-height:1.2;cursor:grab}.lab-token:active{cursor:grabbing}.lab-token .lab-icon{width:32px;height:32px;flex-shrink:0}.lab-token span:not(.drag-grip){max-width:100%;overflow-wrap:anywhere}.lab-icon{width:44px;height:44px;display:block;flex-shrink:0}.drag-grip{position:absolute;top:4px;right:6px;color:#c1c8d2;font-size:12px}.lab-token.is-selected,.lab-shape-card.is-selected{border-color:#8b99ce;background:#f2f4ff;box-shadow:0 0 0 2px #8b99ce33}.learning-workspace .is-highlighted{outline:3px solid #e5b757;outline-offset:3px;background-color:#fff5d8}.lab-group-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-top:20px}.palette-0{--tone: #658e79;--wash: #edf5ee;--tone-light: #dfeee3}.palette-1{--tone: #8e7db2;--wash: #f2eff8;--tone-light: #e9e2f3}.palette-2{--tone: #bd9058;--wash: #faf3e9;--tone-light: #f3e7d4}.palette-3{--tone: #6295ae;--wash: #edf5fa;--tone-light: #dfedf5}.lab-bin{background:var(--wash);border:1px dashed color-mix(in srgb,var(--tone) 45%,white);padding:15px;border-radius:17px;display:flex;flex-direction:column;gap:14px;min-height:210px;--token: var(--tone)}.lab-bin-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.lab-bin-heading h3{font-size:13px;color:var(--tone)}.count-bubble{display:grid;place-items:center;width:26px;height:26px;background:#fff;border-radius:9px;color:var(--tone);font-size:12px}.lab-bin .lab-token-grid{flex:1}.lab-bin .lab-token-wrap{flex:0 1 74px}.lab-bin .lab-token{height:84px;font-size:10px;box-shadow:0 2px color-mix(in srgb,var(--tone) 15%,white)}.lab-bin .lab-icon{width:27px;height:27px}.lab-drop-hint{font-size:11px;text-align:center;color:var(--tone);opacity:.6;padding:12px 0;flex:1}.learning-workspace .lab-place-button{font-size:11px;background:transparent;border:1px solid color-mix(in srgb,var(--tone) 25%,white);color:var(--tone);display:flex;justify-content:space-between;padding:8px 11px;min-height:36px}.learning-workspace .lab-place-button:disabled{opacity:.4}.drop-hover{outline:3px solid #8099b7;outline-offset:2px;background:#e8eefb}.lab-empty{font-size:13px;color:#8792a4;padding:20px;text-align:center}.lab-selection-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:20px;margin-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--soft-ink);flex-wrap:wrap}.lab-selection-bar button{font-size:11px;padding:8px 12px;min-height:36px}.lab-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.lab-invalid{background:#fff6ec}.lab-invalid p,.lab-invalid li{color:#936a39;font-size:13px}@media(max-width:650px){.engine-intro p{position:static}.learning-workspace{padding:18px;border-radius:18px}.lab-live-label{display:none}.lab-group-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}.lab-bin{padding:12px;min-height:190px}.lab-bin .lab-token-wrap{flex-basis:65px}.lab-token-wrap{flex-basis:80px}.lab-instruction{font-size:11px;align-items:flex-start}.lab-tray{padding:15px}}@media(prefers-reduced-motion:reduce){.learning-workspace *{transition:none!important;animation:none!important}}.lab-bars{display:grid;gap:16px}.lab-bar-card{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff}.lab-bar-card.is-selected{border-color:#8b99ce}.lab-bar-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.learning-workspace .lab-object-title{border:0;padding:0;background:transparent;font-size:15px;min-height:36px;text-align:left}.lab-fraction{display:grid;text-align:center;line-height:1.25;font-size:20px;font-weight:650;color:var(--tone);min-width:26px}.lab-fraction span:first-child{border-bottom:2px solid currentColor;padding-bottom:3px}.lab-fraction span:last-child{padding-top:3px}.lab-fraction-bar{display:flex;gap:3px;width:100%;height:72px;border:1px solid var(--tone);padding:3px;border-radius:12px;overflow:hidden}.learning-workspace .lab-fraction-bar button{min-width:0;border:0;border-radius:5px;padding:0;background:var(--wash);font-size:11px;color:var(--tone)}.learning-workspace .lab-fraction-bar .shaded{background:var(--tone);color:#fff}.lab-fraction-bar button:hover:not(:disabled){filter:brightness(.92)}.lab-bar-settings{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:15px}.lab-bar-settings label{flex-direction:row;align-items:center;font-size:11px;color:var(--soft-ink)}.lab-bar-settings select{padding:5px 10px;font-size:12px;min-height:40px}.lab-bar-settings button{font-size:11px;padding:6px 10px}.learning-workspace .lab-action{background:#6978ac;color:#fff;padding:12px 18px;border:0;font-size:12px;margin-top:20px;display:flex;align-items:center;gap:24px}.learning-workspace .lab-action:hover:not(:disabled){background:#566694}.lab-comparison{border:1px solid var(--line);border-radius:16px;margin-top:20px;padding:20px;background:#f8f9fc}.lab-compare-row{display:grid;grid-template-columns:70px 1fr 42px;gap:12px;align-items:center;font-size:12px;margin-top:14px}.lab-compare-whole{height:24px;background:#fff;border:1px solid var(--line);border-radius:7px;overflow:hidden}.lab-compare-amount{height:100%;background:var(--tone);border-radius:5px}.lab-observation{font-size:25px;text-align:center;color:var(--ink);margin:24px 0 0;font-variant-numeric:tabular-nums}.lab-observation small{display:block;font-size:11px;color:var(--soft-ink);margin-top:5px}.lab-diagram{position:relative;border:1px solid var(--line);border-radius:16px;background:radial-gradient(#dde3ec .8px,transparent .8px) 0 0 / 16px 16px #f9fafc;overflow:visible}.lab-connections-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.lab-diagram-node{position:absolute;border:1px solid #dfe3ee;border-radius:14px;background:#fff;box-shadow:0 4px #e7ebf2;height:150px;z-index:1}.lab-diagram-node.dragging{z-index:50}.lab-diagram-node.is-selected{border-color:#8b99ce;box-shadow:0 0 0 2px #8b99ce33}.learning-workspace .lab-node-main{touch-action:none;-webkit-user-select:none;user-select:none;position:relative;border:0;border-radius:14px 14px 0 0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;width:100%;height:112px;background:inherit;padding:10px 12px;font-size:11px;line-height:1.3;cursor:grab;color:#5c7f8d}.lab-node-main>.lab-icon{width:30px;height:30px}.lab-node-main>span:last-child{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lab-stage-number{position:absolute;top:8px;left:10px;font-size:10px;color:#8b96a7}.lab-node-order{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #edf0f4;font-size:9px;color:#8a95a7}.learning-workspace .lab-node-order button{border:0;border-radius:8px;min-height:36px;height:36px;width:38px;padding:0;font-size:15px;background:transparent;color:#7482a6}.lab-diagram.connecting .lab-node-main{cursor:crosshair;background:#f3f5ff}.lab-edge-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:8px}.lab-edge-list li{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:12px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:#fafbfd}.learning-workspace .lab-edge-list button{font-size:10px;min-height:34px;padding:6px 10px}.lab-edge-list small{font-size:10px}.lab-lines{display:grid;gap:18px}.lab-line-card{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.lab-line-heading{display:flex;align-items:center;justify-content:space-between}.lab-line-heading output{font-size:24px;color:var(--tone);font-weight:700}.lab-number-rail{position:relative;height:5px;margin:58px 20px 65px;background:#dce3ed;border-radius:10px}.lab-line-progress{background:var(--tone);height:100%;border-radius:10px}.lab-line-tick{position:absolute;top:-5px;height:15px;width:2px;background:#9faec3;transform:translate(-50%)}.lab-line-tick span{position:absolute;top:24px;left:50%;transform:translate(-50%);font-size:11px;color:#79859a}.learning-workspace .lab-line-marker{position:absolute;top:50%;transform:translate(-50%,-50%);height:44px;width:44px;min-height:44px;padding:0;touch-action:none;-webkit-user-select:none;user-select:none;background:var(--tone);color:#fff;border:4px solid white;border-radius:50%;box-shadow:0 3px 8px #33405c24;font-size:22px;cursor:grab}.learning-workspace .lab-line-marker:hover:not(:disabled){background:var(--tone);filter:brightness(1.1)}.lab-line-marker.dragging{cursor:grabbing;box-shadow:0 3px 15px #33405c44}.lab-line-controls{display:flex;justify-content:space-between;align-items:center;gap:12px}.lab-line-controls span{font-size:11px;color:var(--soft-ink);text-align:center}.lab-line-controls button{width:44px;padding:8px}.lab-shape-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.lab-shape-toolbar .lab-section-label{margin:0}.lab-shape-toolbar button{font-size:11px;padding:8px 12px}.lab-shape-board{display:block;width:100%;height:clamp(280px,45vw,470px);background:#f8f9fc;border:1px solid var(--line);border-radius:17px;touch-action:none;-webkit-user-select:none;user-select:none}.lab-grid{fill:#b4c2d5}.lab-shape-object{cursor:grab;outline:none!important}.lab-shape-object.dragging{cursor:grabbing}.lab-shape-geometry{fill:var(--tone-light);stroke:var(--tone);stroke-width:2px}.lab-shape-geometry>*{vector-effect:non-scaling-stroke}.lab-shape-object text{font-size:4px;fill:#7d899c;pointer-events:none}.lab-shape-object.is-selected .lab-shape-geometry,.lab-shape-object:focus-visible .lab-shape-geometry{stroke-width:4px;filter:drop-shadow(0 2px 2px #8796b33d)}.learning-workspace .lab-shape-object.is-highlighted{outline:none;background:transparent}.lab-shape-object.is-highlighted .lab-shape-geometry{stroke:#bd8a26;stroke-width:5px;fill:#fff0c9}.lab-mirror-line{stroke:#a1abc2;stroke-width:.6;stroke-dasharray:2 2}.lab-mirror-ghost{fill:transparent;stroke:var(--tone);stroke-width:.7;stroke-dasharray:2 2;opacity:.55;pointer-events:none}.lab-mirror-caption{font-size:11px;color:var(--soft-ink);text-align:center;margin:12px 0}.lab-shape-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:16px}.lab-shape-card{border:1px solid var(--line);border-radius:12px;padding:12px 16px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.lab-shape-card>div:first-child{display:flex;flex-direction:column}.lab-shape-card small{font-size:10px;color:var(--soft-ink)}.lab-shape-card>div:last-child{display:flex;gap:6px}.learning-workspace .lab-shape-card button:not(.lab-object-title){font-size:11px;padding:7px 11px;min-height:38px}.math-workspace{min-height:320px;padding-top:12px}.math-array{height:clamp(220px,42vh,340px);display:block;width:100%}.math-array-caption{font:600 22px Inter,system-ui,sans-serif;fill:#535e6c}.math-part-label{font:600 25px Inter,system-ui,sans-serif;fill:#303d4d}.math-equation{display:block;text-align:center;padding:20px 12px;margin:10px 0;border-radius:0;background:transparent;border-top:1px solid #e3e5e8;color:#20262e;font-size:clamp(16px,2vw,25px);font-weight:650;line-height:1.5}.math-controls{border:0;border-top:1px solid #e3e5e8;border-radius:0;padding:12px 16px;display:flex;flex-wrap:wrap;gap:18px}.math-controls legend{font-size:12px;color:#626b77;padding:0 8px}.math-controls label{flex:1 1 150px;display:grid;grid-template-columns:1fr auto;gap:8px;font-size:12px;color:#5b697c}.math-controls input{grid-column:1;grid-row:2;width:100%;accent-color:#2556ad}.math-controls output{grid-column:2;grid-row:2;font-variant-numeric:tabular-nums}.math-controls:disabled{opacity:.5}.teaching-canvas .lab-embedded{padding:8px 0;border:0;box-shadow:none;background:transparent;border-radius:0}.teaching-canvas .lab-embedded .lab-instruction{margin-top:0}.math-workspace .lab-line-marker:not(.dragging),.math-workspace .lab-line-progress{transition:left .4s ease,width .4s ease}.math-workspace .lab-number-rail:has(.dragging) .lab-line-progress{transition:none}@media(prefers-reduced-motion:reduce){.math-workspace *{transition:none!important}}.math-observe .lab-bar-settings,.math-observe .lab-line-controls{display:none}.math-part-first{fill:#2556ad}.math-part-second{fill:#ad591b}@media(max-width:700px){.math-array{height:auto}}.math-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.math-equation{overflow-x:auto;font-weight:400;color:#243e35}.math-equation small{display:block;margin-top:12px;font:12px system-ui,sans-serif;color:#69736d}.math-first,.math-part-first{color:#24594b;fill:#24594b}.math-second,.math-part-second{color:#b8723f;fill:#b8723f}.math-controls input{accent-color:#24594b}.math-geometry .MafsView{--mafs-bg: transparent;--mafs-fg: #56665d;--mafs-line-color: #e4e8e2;--mafs-origin-color: #e4e8e2;--mafs-font-family: inherit}.math-geometry-caption{text-align:center;font-size:14px;color:#667167;margin:0}.math-workspace:not(.math-observe) .lab-line-marker,.math-workspace:not(.math-observe) .lab-line-progress{transition:none}.math-workspace .lab-bar-card,.math-workspace .lab-line-card{border-radius:3px;border-color:#d9ded6;background:transparent}.math-workspace .lab-fraction-bar{border-radius:2px;gap:2px;padding:2px}.math-workspace .lab-fraction-bar button{border-radius:0}.math-workspace .lab-bar-card:nth-child(odd),.math-workspace .lab-line-card:nth-child(odd){--tone: #24594b !important;--wash: #e4eee7 !important}.math-workspace .lab-bar-card:nth-child(2n),.math-workspace .lab-line-card:nth-child(2n){--tone: #b8723f !important;--wash: #f1e5d9 !important}.math-geometry-loading{display:grid;place-content:center;min-height:390px;color:#667167;font-size:13px}.shear-proof{margin:0;background:#fffefa;border:1px solid #d9ded6;border-radius:3px;padding:18px 18px 8px}.shear-proof svg{display:block;width:100%;height:auto;max-height:420px;touch-action:pan-y;-webkit-user-select:none;user-select:none}.shear-caption{font-size:14px;color:#24382f;min-height:1.5em;margin-bottom:6px}.shear-grid line{stroke:#e7eae3;stroke-width:1}.shear-ghost{fill:none;stroke:#9aa79d;stroke-width:1.5;stroke-dasharray:5 6}.shear-shape{fill:#d3e2d9;stroke:#24594b;stroke-width:2.5;stroke-linejoin:round}.shear-wedge{stroke:#b8723f;stroke-width:3}.shear-slot{fill:none;stroke:#b8723f;stroke-width:1.5;stroke-dasharray:3 5}.shear-seam{stroke:#b8723f;stroke-width:3;stroke-dasharray:9 6;animation:shear-seam-in .5s ease-out both}@keyframes shear-seam-in{0%{stroke-dashoffset:60;opacity:0}}.shear-base{stroke:#24594b;stroke-width:5;stroke-linecap:round}.shear-height line,.shear-height path{stroke:#9b5b30;stroke-width:1.8;stroke-dasharray:4 4}.shear-height path{stroke-dasharray:none}.shear-measure{font-size:17px;font-weight:600;fill:#24594b}.shear-side-label{font-size:14px;fill:#9b5b30;paint-order:stroke;stroke:#fffefa;stroke-width:6px;stroke-linejoin:round}.shear-result polygon{fill:none;stroke:#24594b;stroke-width:4;animation:shear-result-in .45s ease-out both}.shear-result text{font-family:Georgia,Times New Roman,serif;font-size:34px;fill:#194336;paint-order:stroke;stroke:#d3e2d9;stroke-width:10px;stroke-linejoin:round;animation:shear-result-in .6s ease-out both}@keyframes shear-result-in{0%{opacity:0}}.shear-handle{cursor:ew-resize;touch-action:none;outline:none}.shear-handle-hit{fill:transparent}.shear-handle-pill{fill:#24594b;stroke:#fffefa;stroke-width:2}.shear-handle path{fill:#fffefa}.shear-handle:focus-visible .shear-handle-pill{stroke:#b8723f;stroke-width:4}.shear-handle:hover .shear-handle-pill{fill:#194336}.shear-handle.is-locked{cursor:default;opacity:.35}@media(max-width:700px){.shear-proof{padding:12px 8px 4px}.shear-measure{font-size:30px}.shear-side-label{font-size:24px}.shear-result text{font-size:52px}.shear-handle-hit{transform-box:fill-box;transform-origin:center;transform:scale(1.8)}}@media(prefers-reduced-motion:reduce){.shear-seam,.shear-result polygon,.shear-result text{animation:none}}.teaching-canvas{--ink: #283349;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#fffefa;border:1px solid #e0e5ec;border-radius:24px;padding:24px;color:var(--ink);min-width:0}.teaching-canvas *{box-sizing:border-box}.canvas-heading{display:flex;align-items:center;gap:7px;color:#8d98aa;font-size:10px;font-weight:650;text-transform:uppercase;letter-spacing:1.2px}.canvas-live-dot{width:6px;height:6px;border-radius:50%;background:#a0b4a7}.canvas-interaction-hint{margin-left:auto;font-size:9px;text-transform:none;font-weight:400;letter-spacing:0}.teaching-canvas h2{font-size:28px;letter-spacing:-.9px;line-height:1.2;margin:18px 0 12px}.canvas-surface{width:100%;display:block;overflow:visible}.tone-sky{--canvas-tone: #658eac;--canvas-wash: #eaf3fa;color:var(--canvas-tone)}.tone-mint{--canvas-tone: #65937e;--canvas-wash: #e9f3e9;color:var(--canvas-tone)}.tone-sun{--canvas-tone: #bb9146;--canvas-wash: #fbf0d8;color:var(--canvas-tone)}.tone-lilac{--canvas-tone: #9781b4;--canvas-wash: #f0eafa;color:var(--canvas-tone)}.tone-coral{--canvas-tone: #bb8175;--canvas-wash: #faeae4;color:var(--canvas-tone)}.tone-ink{--canvas-tone: #53607c;--canvas-wash: #edf0f6;color:var(--canvas-tone)}.canvas-object-paper{fill:var(--canvas-wash);stroke:color-mix(in srgb,var(--canvas-tone) 45%,white);stroke-width:1.5}.teaching-canvas .canvas-icon{width:100%;height:100%}.canvas-object-label{font-size:23px;font-weight:650;fill:var(--canvas-tone)}.canvas-large-label{font-size:34px;font-weight:650;fill:var(--canvas-tone)}.canvas-solid{fill:var(--canvas-wash);stroke:var(--canvas-tone);stroke-width:2}.canvas-shape-label{fill:var(--canvas-tone);font-size:38px;font-weight:650}.canvas-edge-label{font-size:20px;fill:#8a96aa;paint-order:stroke;stroke:#fffefa;stroke-width:8;stroke-linejoin:round}.canvas-focus-ring{fill:transparent;stroke:#d3ab5f;stroke-width:3;opacity:0;pointer-events:none}.canvas-focused .canvas-focus-ring{opacity:1}.canvas-choice{cursor:pointer;outline:none}.canvas-choice .canvas-focus-ring{opacity:.4;stroke:#8d9cbe;stroke-dasharray:6 6}.canvas-choice:hover .canvas-focus-ring,.canvas-choice:focus-visible .canvas-focus-ring{opacity:1;stroke:#8d9cbe;stroke-width:5;stroke-dasharray:none}.canvas-pointer rect{fill:#e8edf6;stroke:#d4ddec;stroke-width:1}.canvas-pointer text{fill:#7385a6;font-size:22px;font-weight:650}.canvas-empty text{font-size:28px;fill:#a0aabc}.canvas-empty text+text{font-size:20px;fill:#b0b8c6}.canvas-note{border-top:1px solid #edf0f4;padding:16px 0 0;text-align:center;min-height:42px;color:#7e8ba0;font-size:13px}.guided-workbench{padding-bottom:20px}.guided-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}.guided-toolbar label{display:flex;align-items:center;gap:12px;font-size:12px;color:#7a879b}.guided-toolbar select{font-size:12px}.guided-demo-badge{font-size:10px;color:#8b95a6;border:1px solid #dce2ec;border-radius:20px;padding:7px 12px}.narration-panel{display:flex;align-items:flex-start;gap:16px;border:1px solid #dce3ee;background:#edf1f9;border-radius:18px;padding:23px 25px;margin-top:16px;min-height:140px}.tutor-avatar{width:40px;height:40px;border-radius:15px;background:#dce4f4;color:#8194bc;display:grid;place-items:center;font-size:26px;flex-shrink:0}.narration-body{flex:1;min-width:0}.narration-meta{display:flex;align-items:center;justify-content:space-between;color:#8897b0;font-size:10px;letter-spacing:.6px}.narration-text{font-size:18px;line-height:1.6;letter-spacing:-.25px;color:#4d5e7b;margin:9px 0 0}.narration-controls{display:flex;align-items:center;gap:8px;margin-top:20px;flex-wrap:wrap}.narration-controls button{font-size:12px;min-height:43px}.narration-controls .play-primary{background:#7184b1;border-color:#7184b1;color:#fff;min-width:138px}.narration-controls .play-primary:hover:not(:disabled){background:#5a6e9c}.narration-progress{height:3px;background:#dce3f0;margin-top:16px;border-radius:6px;overflow:hidden}.narration-progress>div{height:100%;background:#8b9bc1}.guided-question{margin-top:16px;border:1px solid #cbd7ed;border-radius:16px;padding:20px 24px;background:#f5f7fd}.guided-question h3{font-size:16px;margin:0 0 8px;color:#65789f}.guided-question p{font-size:13px;margin:0;color:#8391ac}.guided-debug{margin-top:22px;border-top:1px solid #dfe5ed;padding-top:15px;font-size:12px;color:#8290a8}.guided-debug summary{cursor:pointer}.guided-debug p{font-size:12px;line-height:1.7}.guided-debug pre{font-size:10px;max-height:260px;overflow:auto;background:#fff;padding:16px;border-radius:12px;white-space:pre-wrap;overflow-wrap:anywhere}.workbench-mode{display:flex;gap:6px;border-bottom:1px solid #dce2ec;padding-bottom:14px;margin-bottom:22px}.workbench-mode button{border:0;background:transparent;color:#93a0b3;font-size:12px;padding:11px 17px}.workbench-mode button[aria-pressed=true]{background:#e5eaf3;color:#697b9f}.guided-error{background:#fff0e9;border:1px solid #e8c9bb;border-radius:12px;padding:14px;font-size:12px;color:#926a55}@media(max-width:650px){.teaching-canvas{padding:18px 12px;border-radius:18px}.teaching-canvas h2{font-size:22px;padding:0 6px}.canvas-heading{font-size:8px;padding:0 6px}.canvas-interaction-hint{display:none}.canvas-note{font-size:11px;padding:12px 6px 0}.narration-panel{padding:18px 14px;gap:10px}.narration-text{font-size:15px}.tutor-avatar{width:30px;height:30px;font-size:20px}.guided-toolbar label{align-items:flex-start;flex-direction:column;gap:4px}.guided-demo-badge{font-size:9px}.narration-controls button{padding:9px 11px}.workbench-mode button{flex:1}}@media(prefers-reduced-motion:reduce){.teaching-canvas *{animation:none!important;transition:none!important}}.guided-session{scroll-margin-top:12px}.teaching-canvas{padding:20px}.teaching-canvas h2{font-size:26px;margin:12px 0 6px}.canvas-surface{height:clamp(230px,40vh,400px)}.canvas-note{padding-top:10px;min-height:32px;font-size:12px}.narration-panel{min-height:105px;padding:18px 22px}.narration-text{font-size:16px}.narration-controls{margin-top:14px}@media(max-width:650px){.teaching-canvas{padding:14px 8px}.teaching-canvas h2{font-size:21px}.canvas-surface{height:auto;min-height:220px}.narration-panel{padding:15px 12px}.narration-text{font-size:14px}}@media(min-width:980px){.guided-session{display:grid;grid-template-columns:minmax(0,1fr) 300px;grid-template-rows:auto auto 1fr;gap:14px 20px;align-items:start}.guided-session>.teaching-canvas{grid-column:1;grid-row:1/4}.guided-session .canvas-surface{height:auto;min-height:0}.guided-session>.narration-panel{grid-column:2;grid-row:1;margin:0;display:block;padding:23px}.guided-session .tutor-avatar{margin-bottom:20px}.guided-session .narration-meta{font-size:9px;gap:6px;flex-wrap:wrap}.guided-session .narration-text{font-size:18px;line-height:1.7;margin-top:14px}.guided-session>.guided-question{grid-column:2;grid-row:2;margin:0;padding:18px}.guided-session>.narration-controls{grid-column:2;grid-row:3;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}.guided-session .play-primary{grid-column:1/-1}.guided-session .narration-controls button{font-size:11px;padding:10px}.guided-session .narration-controls button:last-child{grid-column:1/-1}}.aset{position:relative;display:inline-flex}.aset-icon,.stage-controls .aset-icon,.stage-controls .stage-icon{display:inline-grid;place-items:center;width:44px;height:44px;padding:0;border-radius:999px;border:1px solid #d9ded6;background:#fffefa;color:#24382f;cursor:pointer;flex-shrink:0}.aset-icon:hover,.stage-controls .aset-icon:hover,.stage-controls .stage-icon:hover{background:#eef2ea}.aset-icon[aria-expanded=true]{background:#eef2ea;border-color:#24594b}.stage-controls .stage-icon[aria-pressed=true]{background:#b8723f;border-color:#b8723f;color:#fffdf6}.aset-pop{position:absolute;right:0;z-index:40;width:292px;max-width:calc(100vw - 32px);background:#fffefa;color:#24382f;border:1px solid #d9ded6;border-radius:8px;box-shadow:0 12px 32px #24382f24;padding:14px 16px 16px;display:flex;flex-direction:column;gap:12px;text-align:left}.aset-up{bottom:calc(100% + 10px)}.aset-down{top:calc(100% + 10px)}.aset-pop h3{font-size:12px;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:#657168;margin:0}.aset-field{display:flex;flex-direction:column;gap:6px;font-size:12px;color:#657168}.aset-field>span{display:flex;justify-content:space-between}.aset-field output{color:#24382f;font-variant-numeric:tabular-nums}.aset-field select{height:34px;padding:0 8px;border:1px solid #d9ded6;border-radius:5px;background:#fff;color:#24382f;font-size:13px;max-width:100%}.aset-field input[type=range]{accent-color:#24594b;width:100%}.aset-meter{height:6px;border-radius:3px;background:#eef2ea;overflow:hidden;margin-top:-4px}.aset-meter i{display:block;height:100%;background:#24594b;border-radius:3px;transition:width 90ms linear}.aset-note{font-size:12px;color:#657168;margin:0}.aset-error{color:#a4442b}.stage-notice{display:flex;align-items:center;gap:10px;font-size:12px;color:#24382f;background:#f7ecd9;border:1px solid #e6cfa8;border-radius:6px;padding:6px 6px 6px 12px}.stage-controls .stage-notice button{height:32px;font-size:12px;padding:0 12px;border-radius:999px}@media(prefers-reduced-motion:reduce){.aset-meter i{transition:none}}.stage-muted{font-size:12px;color:#657168}.turn-photo{display:flex;align-items:center;gap:8px;min-width:0}.stage-controls .turn-photo .turn-photo-button{width:44px;height:44px;padding:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#fffdf6;color:#2c4e3c;border:1px solid #c9d2c4;flex-shrink:0}.stage-controls .turn-photo .turn-photo-button:hover{background:#eef2ea}.turn-photo-button:focus-visible,.turn-photo-remove:focus-visible{outline:3px solid #b8723f;outline-offset:2px}.turn-photo-chip{display:flex;align-items:center;gap:8px;padding:4px 6px 4px 4px;border:1px solid #d9ded6;border-radius:8px;background:#fff;font-size:12px;color:#3b4d43;max-width:260px}.turn-photo-chip img{width:36px;height:36px;object-fit:cover;border-radius:5px;flex-shrink:0}.turn-photo[data-state=error] .turn-photo-chip{border-color:#e0b4a4;color:#8a3d22}.turn-photo[data-state=sent] .turn-photo-chip{color:#2f6a4c}.stage-controls .turn-photo .turn-photo-remove{width:26px;height:26px;padding:0;border-radius:50%;background:transparent;color:#6d796f;border:0;font-size:13px;flex-shrink:0}.stage-controls .turn-photo .turn-photo-remove:hover{background:#f1ece4;color:#8a3d22}.turn-photo-modal{position:fixed;inset:0;z-index:1000;background:#1d2a2366;display:flex;align-items:center;justify-content:center;padding:16px}.turn-photo-sheet{width:min(560px,100%);background:#fffef9;color:#24382f;border-radius:12px;box-shadow:0 18px 60px #0003;display:flex;flex-direction:column;overflow:hidden}.turn-photo-sheet header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #e2e6dc}.turn-photo-sheet h2{font-size:17px;font-weight:600}.turn-photo-x{width:32px;height:32px;border-radius:50%;color:#657168}.turn-photo-x:hover{background:#eef2ea}.turn-photo-view{background:#1f2a24;aspect-ratio:4 / 3;display:flex;align-items:center;justify-content:center}.turn-photo-view video,.turn-photo-view img{width:100%;height:100%;object-fit:contain}.turn-photo-empty{color:#e7ece4;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:20px;font-size:14px}.turn-photo-error{color:#8a3d22;font-size:13px;padding:8px 18px 0}.turn-photo-sheet footer{display:flex;justify-content:center;gap:12px;padding:14px 18px 18px}.turn-photo-sheet footer button{height:48px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600}.turn-photo-sheet footer .primary{background:#2c4e3c;color:#fffdf6}.turn-photo-sheet footer .primary:hover{background:#213e2e}.turn-photo-sheet footer .primary:disabled{opacity:.55}.turn-photo-sheet footer .secondary{background:transparent;color:#2c4e3c;border:1px solid #c9d2c4}.caption-photo{font-size:11px;font-style:italic;opacity:.8}.studio-app{background:#f3f4ef;color:#25372f}.studio-app>header{background:#f3f4ef;border-color:#dce1d8}.studio-app>header>div{max-width:none;padding:12px 30px}.studio-main{padding:22px 30px 24px;max-width:1800px;margin:auto}.lesson-studio{--studio-ink: #253d32;--studio-muted: #657168;display:flex;flex-direction:column;height:calc(100dvh - 96px);min-height:560px}.lesson-topline{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-bottom:22px}.studio-eyebrow{color:#6e7c70;text-transform:uppercase;font-size:10px;font-weight:650;letter-spacing:.16em}.lesson-question{max-width:840px}.lesson-question h1{font-size:clamp(18px,1.8vw,26px);line-height:1.35;letter-spacing:-.025em;margin-top:5px;font-weight:500}.conversation-toggle{font-size:12px;color:#617166;white-space:nowrap;padding:10px 0 10px 12px;text-decoration:underline;text-underline-offset:5px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:22px;align-items:stretch;flex:1;min-height:0}.lesson-studio.with-debug{height:auto}@media(min-width:761px){.lesson-studio.with-debug>.lesson-layout{flex:none;height:calc(100dvh - 160px);min-height:520px}}.conversation-hidden .lesson-layout{grid-template-columns:minmax(0,1fr)}.lesson-stage{background:#fffef9;border:1px solid #d8dfd3;border-radius:8px;min-width:0;min-height:0;display:flex;flex-direction:column;box-shadow:0 6px 24px #293c3005}.stage-topline{display:flex;align-items:center;justify-content:space-between;padding:20px 26px 0;gap:12px}.stage-status{display:flex;gap:7px;align-items:center;color:#6d796f;font-size:11px}.stage-status i{width:5px;height:5px;background:#a6b1a7;border-radius:50%}.stage-status i[data-active=true]{background:#438665}.lesson-picture{flex:1;display:flex;padding:10px 20px;min-height:0;overflow:auto}.lesson-picture>div{width:100%}.lesson-picture [data-testid=animated-math-board]{flex:1;min-height:0}.lesson-stage .teaching-canvas{background:transparent;border:0;border-radius:0;padding:12px;color:var(--studio-ink);display:flex;flex-direction:column;height:100%;min-height:0}.lesson-stage .canvas-heading>span:first-child{display:none}.lesson-stage .canvas-heading{display:none}.lesson-stage .canvas-interaction-hint{color:#6f7a6e;font-size:11px}.lesson-stage .teaching-canvas h2{font-size:clamp(25px,2.6vw,36px);font-weight:500;letter-spacing:-.045em;margin:6px 0 12px}.lesson-stage .math-workspace{flex:1;min-height:0;display:flex;flex-direction:column;padding-top:4px}.lesson-stage .math-array{flex:1;height:100%;min-height:140px}.lesson-stage .shear-proof{flex:1;min-height:0;display:flex;flex-direction:column;border:0;background:transparent;padding:8px 0 0}.lesson-stage .shear-proof svg{flex:1;min-height:140px;height:100%}.lesson-stage .shear-caption{display:none}.lesson-stage .math-controls{flex-shrink:0;padding:8px;gap:12px}.lesson-stage .math-controls:disabled{display:none}.lesson-stage .math-equation{flex-shrink:0;padding:10px;margin:0;font-size:20px}.lesson-stage .math-equation small{margin-top:4px}.lesson-stage .lab-instruction{display:none}.lesson-stage .lab-embedded{padding:0}.lesson-stage .lab-bars{gap:16px}.lesson-stage .lab-bar-card,.lesson-stage .lab-line-card{border:0;padding:8px 0}.lesson-stage .lab-bar-heading{margin-bottom:8px}.lesson-stage .lab-fraction{font-size:16px}.lesson-stage .lab-fraction-bar{height:56px}.lesson-stage .lab-object-title:disabled,.lesson-stage .lab-fraction-bar button:disabled{opacity:1}.lesson-stage .lab-bar-settings{margin-top:8px}.lesson-stage .lab-number-rail{margin:35px 20px 50px}.lesson-stage .math-geometry{flex:1;display:flex;flex-direction:column;min-height:0}.lesson-stage .math-geometry>[role=group]{flex:1;min-height:180px}.lesson-stage .math-geometry-caption{font-size:12px}.stage-caption{padding:12px 35px 22px;max-width:780px;margin:auto;text-align:center;font-size:17px;line-height:1.5;min-height:68px;color:#4d6154;text-wrap:pretty}.stage-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #e2e6dc;padding:14px 26px;flex-shrink:0}.stage-controls button{background:#2c4e3c;border-color:#2c4e3c;color:#fffdf6;height:44px;font-size:13px}.stage-controls button:hover{background:#213e2e}.stage-controls p{font-size:11px;line-height:1.5;color:#7b8276;max-width:220px;text-align:right}.voice-control{display:flex;align-items:center;gap:16px;flex-shrink:0}.studio-mic{width:50px;height:4px;border-radius:4px;background:#e2e8df;overflow:hidden}.studio-mic span{display:block;height:100%;background:#4d8061;transition:width .12s}.lesson-conversation{min-height:0;display:flex;flex-direction:column;padding-top:8px;min-width:0}.lesson-conversation[hidden]{display:none}.conversation-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:4px 2px 18px;border-bottom:1px solid #dce1d7}.conversation-heading h2{font-size:14px;font-weight:600}.conversation-heading>span{color:#8a9286;font-size:10px}.lesson-conversation .lesson-transcript{flex:1;max-height:none;min-height:0;padding:22px 4px 20px 0;gap:24px;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#cbd3c5 transparent}.caption-speaker{display:none}.lesson-conversation .caption-entry{max-width:100%;width:100%;padding:0;border-radius:0;background:transparent;color:#667166;font-size:13px;line-height:1.65}.lesson-conversation .caption-entry:last-child{color:#2b4333}.lesson-conversation .caption-speaker{display:block;font-size:10px;font-weight:650;margin-bottom:6px;letter-spacing:.03em;color:#536958}.lesson-conversation [data-testid=caption-student]{padding-left:12px;border-left:2px solid #d8dfd1}.lesson-details{border-top:1px solid #dce1d7;font-size:11px;color:#73816f;padding:16px 0 0}.lesson-details summary{cursor:pointer}.lesson-details-content{display:flex;flex-direction:column;gap:16px;padding:16px 0}.lesson-details-content h1{font-size:16px}.canvas-welcome{text-align:center;padding:60px 20px;color:#38523f}.welcome-mark{display:inline-grid;place-items:center;width:52px;height:52px;font-size:30px;border:1px solid #d7dfcf;border-radius:50%;margin-bottom:24px}.canvas-welcome h2{font-size:32px;letter-spacing:-.04em;font-weight:500}.canvas-welcome p{margin-top:15px;font-size:14px;line-height:1.8;color:#85907e}@media(min-width:1500px){.lesson-layout{grid-template-columns:minmax(0,1fr) 320px;gap:32px}}@media(max-width:1000px){.studio-main{padding:20px 18px}.lesson-layout{grid-template-columns:minmax(0,1fr) 240px;gap:16px}.stage-controls{padding:16px}.stage-controls p{max-width:135px}}@media(max-width:760px){.lesson-studio{height:auto;min-height:0}.studio-app>header>div{padding:12px 18px}.studio-app nav a:first-child{display:none}.lesson-topline{gap:12px;align-items:flex-start}.conversation-toggle{white-space:normal;min-width:90px}.lesson-layout{display:flex;flex-direction:column}.lesson-stage{width:100%;height:75dvh;min-height:500px}.lesson-conversation{width:100%;height:340px;min-height:0}.lesson-picture{padding:8px;min-height:260px}.stage-caption{padding:16px 22px;font-size:15px}.stage-controls{flex-wrap:wrap;gap:12px}.stage-controls p{max-width:none;text-align:left}}.lesson-studio{--lesson-ink: #24382f;--lesson-muted: #657168;--lesson-accent: #24594b;--lesson-rule: #d9ded6}.lesson-readonly{height:calc(100dvh - 120px)}.stage-narration{border-left:2px solid var(--lesson-accent);margin:20px 26px 0;padding:4px 0 4px 16px;font-size:clamp(16px,1.4vw,20px);line-height:1.55;font-weight:450;letter-spacing:-.2px;color:var(--studio-ink);min-height:2.2em;text-wrap:pretty}.lesson-canvas{width:100%;display:flex;flex-direction:column;min-height:0}.lesson-canvas>.teaching-canvas{flex:1}.lesson-studio .lesson-playback{display:flex;align-items:center;gap:10px;border-top:1px solid var(--lesson-rule);padding:10px 26px;color:var(--lesson-muted);font-size:12px;flex-shrink:0}.lesson-studio .lesson-filmstrip{display:flex;gap:5px;flex:1}.lesson-studio .lesson-filmstrip span{height:3px;background:#dce2d9;flex:1}.lesson-studio .lesson-filmstrip .seen{background:var(--lesson-accent)}.lesson-studio .lesson-playback button{color:var(--lesson-accent);background:transparent;border:1px solid var(--lesson-rule);border-radius:5px;padding:6px 10px;font-size:12px}.lesson-studio .lesson-playback button:disabled{opacity:.4}.stage-compose{display:flex;gap:6px;flex:1;max-width:460px;min-width:160px}.stage-compose input{flex:1;min-width:0;padding:10px 12px;border:1px solid var(--lesson-rule);border-radius:4px;background:#fff;color:var(--lesson-ink);font-size:13px}.stage-compose input:focus-visible{outline:3px solid #b8723f;outline-offset:2px}.lesson-studio .stage-compose button{height:40px;width:44px;border-radius:5px;font-size:16px}.lesson-studio .stage-compose button:disabled{opacity:.45}.lesson-studio .lesson-planning{font-size:12px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 0;color:var(--lesson-accent);border-top:1px solid #dce1d7}.lesson-studio .lesson-planning button{font-size:11px;color:var(--lesson-muted);text-decoration:underline}.lesson-studio .lesson-more{animation:lesson-pulse 1.2s ease-in-out infinite}@keyframes lesson-pulse{50%{opacity:.45}}@media(prefers-reduced-motion:reduce){.lesson-studio .lesson-more{animation:none}}.lesson-studio .lesson-response{border-top:1px solid #dce1d7;padding:14px 0 4px}.lesson-studio .lesson-question{font-size:14px;line-height:1.55;font-weight:600;color:var(--lesson-ink);margin-bottom:10px}.lesson-studio .lesson-choices{display:grid;gap:8px}.lesson-studio .lesson-choices button{display:flex;align-items:center;gap:10px;padding:11px 12px;text-align:left;color:var(--lesson-ink);border:1px solid var(--lesson-rule);border-radius:5px;font-size:13px;background:#fffefa}.lesson-studio .lesson-choices button:hover{background:#eaf0e7;border-color:#6f8b77}.lesson-studio .lesson-choices button>span:first-child{font-size:10px;display:grid;place-items:center;width:22px;height:22px;border:1px solid var(--lesson-rule);flex-shrink:0}.lesson-studio .lesson-choices button>span:last-child{margin-left:auto;color:var(--lesson-muted)}.lesson-studio .lesson-primary{color:#fffefa;background:var(--lesson-accent);border:1px solid var(--lesson-accent);border-radius:5px;padding:10px 14px;font-size:13px}.lesson-studio .lesson-response-hint{font-size:12px;color:var(--lesson-muted)}.lesson-studio .lesson-help{border-top:1px solid #dce1d7;padding:12px 0}.lesson-studio .lesson-help>span{font-size:10px;color:var(--lesson-muted)}.lesson-studio .lesson-help>div{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.lesson-studio .lesson-help button{font-size:11px;padding:6px 8px;background:transparent;border:1px solid var(--lesson-rule);border-radius:5px;color:var(--lesson-accent)}.lesson-studio .lesson-help button:hover{background:#eef2ea}.lesson-debug{margin-top:18px;display:flex;flex-direction:column;gap:10px}@media(max-width:760px){.stage-compose{max-width:none;order:3;flex-basis:100%}.lesson-readonly{height:auto}}:root{--pr-ink: #24382f;--pr-muted: #657168;--pr-faint: #8a9286;--pr-accent: #24594b;--pr-accent-dark: #194336;--pr-rule: #d9ded6;--pr-paper: #fffefa;--pr-bg: #f3f4ef;--pr-warm: #b8723f;--pr-soft: #eef2ea;--brand-navy: #1B2340;--brand-navy-hover: #2E3A5C;--brand-gold: #F5B83D;--brand-coral: #EF6F5B;--brand-bg: #F4F6FB;--brand-muted: #4F586B}body:has(.pr-app){background:var(--pr-bg)}.pr-app{background:var(--pr-bg);color:var(--pr-ink);min-height:100dvh}.pr-app :where(button,input,textarea,select){font:inherit}.pr-app :where(button):focus-visible,.pr-app :where(input,textarea,select,a):focus-visible{outline:3px solid var(--pr-warm);outline-offset:2px}.pr-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 30px;border-bottom:1px solid var(--pr-rule);background:var(--pr-bg);position:sticky;top:0;z-index:20}.pr-identity{display:flex;align-items:center;gap:12px;color:var(--pr-ink);text-decoration:none}.pr-identity .pr-wordmark{transition:opacity .15s}.pr-identity:hover .pr-wordmark{opacity:.82}.pr-hero-mark{filter:drop-shadow(0 10px 24px rgba(27,35,64,.18))}.pr-identity small{font-size:11px;color:var(--pr-muted);border-left:1px solid var(--pr-rule);padding-left:12px}.pr-nav{display:flex;align-items:center;gap:18px;font-size:12px}.pr-nav a{color:var(--pr-muted);text-decoration:none}.pr-nav a:hover{color:var(--pr-ink)}.pr-conn{display:flex;align-items:center;gap:6px;color:var(--pr-faint);font-size:11px}.pr-conn i{width:6px;height:6px;border-radius:50%;background:#c46a4a}.pr-conn[data-status=connected] i{background:#438665}.pr-conn[data-status=connecting] i{background:#d0a03c}.pr-main{max-width:1120px;margin:0 auto;padding:0 32px 64px}.pr-main-wide{max-width:1480px}.pr-intro{padding:48px 0 28px}.pr-eyebrow{font-size:10px;font-weight:650;letter-spacing:1.8px;text-transform:uppercase;color:var(--pr-muted)}.pr-intro h1,.pr-title{font-family:Georgia,Times New Roman,serif;font-weight:400;font-size:clamp(34px,4.4vw,56px);line-height:1.08;letter-spacing:-1.6px;margin:14px 0 12px}.pr-intro p{font-size:16px;color:var(--pr-muted);max-width:620px}.pr-h2{font-family:Georgia,Times New Roman,serif;font-weight:400;font-size:26px;letter-spacing:-.5px;margin:0 0 6px}.pr-note{font-size:12px;color:var(--pr-muted);line-height:1.6}.pr-back{display:inline-flex;gap:6px;padding:18px 0 0;font-size:12px;color:var(--pr-muted);background:none;border:0;cursor:pointer;text-decoration:none}.pr-back:hover{color:var(--pr-ink)}.pr-error{padding:12px 14px;border-left:2px solid #a34e29;background:#fcf0e9;font-size:12px;color:#7a3a1e;margin:12px 0;overflow-wrap:anywhere}.pr-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--pr-rule);background:var(--pr-paper)}.pr-option{display:flex;flex-direction:column;align-items:stretch;text-align:left;gap:0;padding:26px 28px 24px;border:0;border-right:1px solid var(--pr-rule);background:transparent;color:var(--pr-ink);cursor:pointer;text-decoration:none;transition:background .15s}.pr-option:last-child{border-right:0}.pr-option:hover{background:#f0f4ed}.pr-option[aria-pressed=true]{background:#eaf0e7}.pr-option-top{display:flex;justify-content:space-between;font-size:11px;color:var(--pr-muted)}.pr-sketch{width:100%;height:120px;margin:12px 0 18px;color:var(--pr-muted)}.pr-option h2{font-size:20px;font-weight:550;line-height:1.3;margin:0 0 8px}.pr-option p{font-size:13px;color:var(--pr-muted);margin:0 0 22px;line-height:1.55}.pr-option-link{display:flex;justify-content:space-between;margin-top:auto;font-size:12px;color:var(--pr-accent)}.pr-form{display:grid;gap:16px}.pr-field{display:grid;gap:6px;font-size:12px;color:var(--pr-muted)}.pr-field>span:first-child{font-weight:600;color:var(--pr-ink);font-size:12px}.pr-field small{font-size:11px;color:var(--pr-faint);line-height:1.5}.pr-input,.pr-field input:not([type=checkbox]):not([type=range]):not([type=file]),.pr-field textarea,.pr-field select{width:100%;min-width:0;padding:11px 12px;border:1px solid var(--pr-rule);border-radius:4px;background:#fff;color:var(--pr-ink);font-size:14px}.pr-field textarea{resize:vertical;line-height:1.5}.pr-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.pr-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--pr-muted)}.pr-check input{accent-color:var(--pr-accent);width:16px;height:16px}.pr-primary{display:inline-flex;align-items:center;justify-content:space-between;gap:22px;color:var(--pr-paper);background:var(--pr-accent);border:1px solid var(--pr-accent);border-radius:5px;padding:12px 18px;font-size:13px;font-weight:500;cursor:pointer;text-decoration:none}.pr-primary:hover:not(:disabled){background:var(--pr-accent-dark);border-color:var(--pr-accent-dark)}.pr-primary:disabled{opacity:.5;cursor:not-allowed}.pr-secondary{display:inline-flex;align-items:center;gap:8px;color:var(--pr-accent);background:transparent;border:1px solid var(--pr-rule);border-radius:5px;padding:9px 13px;font-size:12px;font-weight:500;cursor:pointer;text-decoration:none}.pr-secondary:hover:not(:disabled){background:var(--pr-soft)}.pr-secondary:disabled{opacity:.45;cursor:not-allowed}.pr-link{background:none;border:0;padding:0;font-size:12px;color:var(--pr-muted);text-decoration:underline;text-underline-offset:4px;cursor:pointer}.pr-link:hover{color:var(--pr-ink)}.pr-file{font-size:12px;color:var(--pr-muted)}.pr-split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}.pr-people{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}.pr-person{display:flex;align-items:center;gap:12px;padding:16px 18px;border:1px solid var(--pr-rule);background:var(--pr-paper);text-align:left;cursor:pointer;color:var(--pr-ink)}.pr-person:hover{background:#f0f4ed}.pr-initial{flex-shrink:0;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#e3ebe2;color:var(--pr-accent);font-family:Georgia,serif;font-size:16px}.pr-person strong{display:block;font-size:14px;font-weight:600}.pr-person small{display:block;font-size:11px;color:var(--pr-muted)}.pr-empty{grid-column:1 / -1;padding:22px 18px;font-size:13px;color:var(--pr-muted);border:1px dashed var(--pr-rule);margin:0}.pr-panel{background:var(--pr-paper);border:1px solid var(--pr-rule);padding:22px 22px 24px}.pr-panel h2{font-size:15px;font-weight:600;margin:0 0 14px}.pr-section-label{display:flex;align-items:baseline;justify-content:space-between;margin:0 0 12px;font-size:12px;color:var(--pr-muted)}.pr-section-label h2{font-size:15px;font-weight:600;color:var(--pr-ink);margin:0}.pr-start{margin-top:26px;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px;align-items:start}.pr-continue{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border:1px solid var(--pr-rule);border-left:2px solid var(--pr-accent);background:var(--pr-paper);margin-bottom:22px;font-size:13px}.pr-wait{display:grid;place-items:center;text-align:center;padding:70px 0 40px}.pr-wait h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(30px,3.6vw,46px);letter-spacing:-1.2px;margin:28px 0 10px}.pr-wait p{color:var(--pr-muted);font-size:15px;max-width:460px;margin:0 auto;line-height:1.6}.pr-wait-rule{width:70px;height:2px;background:var(--pr-warm);margin:26px auto}.pr-wait-status{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--pr-accent)}.pr-wait-status i{width:6px;height:6px;border-radius:50%;background:var(--pr-accent);animation:pr-pulse 1.6s ease-in-out infinite}.pr-wait-actions{display:flex;flex-direction:column;align-items:center;gap:16px;margin-top:30px}@keyframes pr-pulse{50%{opacity:.3}}.pr-setup{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}.pr-setup-side{display:grid;gap:18px;position:sticky;top:80px}.pr-count{display:flex;align-items:center;gap:14px}.pr-count input[type=range]{flex:1;accent-color:var(--pr-accent)}.pr-count output{font-family:Georgia,serif;font-size:28px;min-width:40px;text-align:right}.pr-online{display:flex;gap:18px;font-size:12px;color:var(--pr-muted)}.pr-online strong{display:block;font-family:Georgia,serif;font-weight:400;font-size:30px;color:var(--pr-ink);line-height:1.1}.pr-running{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border:1px solid var(--pr-rule);border-left:2px solid var(--pr-warm);background:var(--pr-paper);margin-bottom:24px;font-size:13px}.db-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:30px 0 18px}.db-head h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(26px,2.6vw,36px);letter-spacing:-.8px;margin:8px 0 0;line-height:1.15}.db-head-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.db-summary{background:var(--pr-paper);border:1px solid var(--pr-rule);border-left:2px solid var(--pr-accent);padding:18px 22px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 24px;align-items:start}.db-summary p{margin:0;font-size:15px;line-height:1.65;color:var(--pr-ink);text-wrap:pretty}.db-summary p.db-pending{color:var(--pr-muted);font-size:14px}.db-fresh{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--pr-faint);white-space:nowrap}.db-fresh button{font-size:11px;padding:5px 9px}.db-tabs{display:flex;gap:18px;margin:26px 0 14px;border-bottom:1px solid var(--pr-rule)}.db-tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:8px 0;font-size:12px;color:var(--pr-muted);cursor:pointer;margin-bottom:-1px}.db-tabs button[aria-selected=true]{color:var(--pr-ink);border-bottom-color:var(--pr-accent);font-weight:600}.db-tabs span{margin-left:6px;color:var(--pr-faint);font-weight:400}.db-rows{display:grid;gap:18px}.db-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.db-cluster{min-width:0;display:flex;flex-direction:column;gap:10px}.db-cluster[data-slots="2"]{grid-column:span 2}.db-cluster[data-slots="4"]{grid-column:span 4}.db-cluster-head{padding:0 2px;min-height:44px}.db-cluster-head h3{font-size:13px;font-weight:650;margin:0;letter-spacing:.01em;color:var(--pr-ink)}.db-cluster-head p{font-size:12px;color:var(--pr-muted);margin:3px 0 0;line-height:1.45;text-wrap:pretty}.db-cards{display:grid;gap:14px}.db-cluster[data-slots="2"] .db-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.db-cluster[data-slots="4"] .db-cards{grid-template-columns:repeat(4,minmax(0,1fr))}.db-card{position:relative;background:var(--pr-paper);border:1px solid var(--pr-rule);padding:14px 14px 12px;min-height:122px;display:flex;flex-direction:column;gap:8px;transition:border-color .15s,box-shadow .15s}.db-card:hover,.db-card:focus-within{border-color:#9fb3a3;box-shadow:0 6px 18px #293c300d}.db-card-top{display:flex;align-items:center;gap:9px}.db-card-top strong{font-size:13px;font-weight:600}.db-card .pr-initial{width:26px;height:26px;font-size:13px}.db-stage{margin-left:auto;font-size:10px;color:var(--pr-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:50%}.db-turn{display:inline-block;width:5px;height:5px;border-radius:50%;background:#c8cfc5;flex-shrink:0}.db-turn[data-state=thinking]{background:#d0a03c;animation:pr-pulse 1.2s ease-in-out infinite}.db-turn[data-state=speaking]{background:#438665}.db-chat{display:grid;gap:5px;filter:grayscale(1);opacity:.62;font-size:11px;line-height:1.45;color:#555}.db-chat p{margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:inherit}.db-chat b{font-weight:600;margin-right:4px}.db-chat .db-in{padding-left:8px;border-left:2px solid #d2d2d2}.db-observe{position:absolute;inset:auto 10px 10px auto;padding:7px 14px;font-size:12px;box-shadow:0 4px 14px #193f3326;opacity:0;transform:translateY(3px);transition:opacity .15s,transform .15s}.db-card:hover .db-observe,.db-card:focus-within .db-observe{opacity:1;transform:none}@media(hover:none){.db-observe{opacity:1;transform:none}}.db-ungrouped-title{font-size:12px;color:var(--pr-muted);margin:8px 2px 0}.db-footer{display:flex;justify-content:space-between;align-items:center;margin-top:30px;padding-top:16px;border-top:1px solid var(--pr-rule);font-size:11px;color:var(--pr-faint)}.db-table{width:100%;border-collapse:collapse;background:var(--pr-paper);border:1px solid var(--pr-rule);font-size:12px}.db-table th{text-align:left;font-weight:600;font-size:11px;color:var(--pr-muted);padding:10px 14px;border-bottom:1px solid var(--pr-rule)}.db-table td{padding:10px 14px;border-bottom:1px solid #ebeee7;vertical-align:top}.db-table td.db-last{color:#777;filter:grayscale(1);opacity:.7;max-width:420px}.db-table td.db-last span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.db-table tr:last-child td{border-bottom:0}.db-frame-backdrop{position:fixed;inset:0;background:#1d2a2366;z-index:40;display:flex;padding:22px}.db-frame{flex:1;display:flex;flex-direction:column;background:var(--pr-bg);border:1px solid var(--pr-rule);box-shadow:0 20px 60px #1d2a2340;min-height:0}.db-frame-bar{display:flex;align-items:center;gap:14px;padding:12px 18px;border-bottom:1px solid var(--pr-rule);background:var(--pr-paper)}.db-frame-bar .db-who{display:flex;align-items:center;gap:10px;min-width:0}.db-frame-bar .db-who strong{font-size:14px}.db-frame-bar .db-who small{font-size:11px;color:var(--pr-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.db-frame-nav{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:11px;color:var(--pr-faint)}.db-frame-body{flex:1;min-height:0;overflow:auto;padding:18px 22px}.db-frame-body .lesson-readonly{height:calc(100dvh - 150px);min-height:480px}.db-card-actions{position:absolute;inset:auto 10px 10px auto;display:flex;gap:6px;opacity:0;transform:translateY(3px);transition:opacity .15s,transform .15s}.db-card-actions .db-observe{position:static;opacity:1;transform:none}.db-card-actions .db-profile{background:var(--pr-paper);padding:7px 12px}.db-card:hover .db-card-actions,.db-card:focus-within .db-card-actions{opacity:1;transform:none}@media(hover:none){.db-card-actions{opacity:1;transform:none}}.db-profile-backdrop{position:fixed;inset:0;z-index:45;background:#1d2a2333;display:flex;justify-content:flex-end}.db-profile-drawer{width:max(50vw,min(460px,100vw));height:100dvh;overflow-y:auto;background:var(--pr-bg);border-left:1px solid var(--pr-rule);box-shadow:-18px 0 48px #1d2a2326;padding:0 clamp(24px,4vw,56px) 32px;animation:sp-in .18s ease-out;outline:none}.db-profile-bar{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:14px 0 10px;background:var(--pr-bg);border-bottom:1px solid var(--pr-rule)}.db-profile-close{background:none;border:0;font-size:22px;line-height:1;color:var(--pr-muted);cursor:pointer;padding:2px 6px}.db-profile-close:hover{color:var(--pr-ink)}@keyframes sp-in{0%{transform:translate(24px);opacity:0}}.sp-page{max-width:620px;margin:0 auto;padding-top:28px}.sp{display:block;color:var(--pr-ink)}.sp-head{display:flex;align-items:flex-start;gap:12px;padding:20px 0 16px}.sp-who{flex:1;min-width:0}.sp-who h2{font-family:Georgia,serif;font-weight:400;font-size:26px;letter-spacing:-.5px;margin:0 0 4px;line-height:1.15}.sp-who p{margin:0 0 3px;font-size:12px;color:var(--pr-muted);line-height:1.5}.sp-who .sp-persona{font-style:italic;color:var(--pr-faint)}.sp-who small{font-size:11px;color:var(--pr-faint)}.sp-badge{display:inline-block;margin-left:8px;padding:1px 7px;border:1px solid #e3cdb9;border-radius:9px;font-size:10px;color:var(--pr-warm);vertical-align:1px}.sp-refresh{font-size:11px;padding:5px 9px;flex-shrink:0}.sp-glance,.sp-focus{background:var(--pr-paper);border:1px solid var(--pr-rule);border-left:2px solid var(--pr-accent);padding:12px 16px;margin-bottom:10px}.sp-focus{border-left-color:var(--pr-warm)}.sp-glance p,.sp-focus p{margin:6px 0 0;font-size:14px;line-height:1.6;text-wrap:pretty}.sp-focus small{display:block;margin-top:4px;font-size:11px;color:var(--pr-faint)}.sp-h{font-family:Georgia,serif;font-weight:400;font-size:19px;letter-spacing:-.3px;margin:26px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--pr-rule)}.sp-section{margin-bottom:14px}.sp h4{font-size:12px;font-weight:650;margin:0 0 6px;color:var(--pr-ink)}.sp h4 span{font-weight:400;color:var(--pr-faint);margin-left:6px}.sp-section ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}.sp-note{background:var(--pr-paper);border:1px solid #e6e9e2;padding:9px 12px}.sp-note p{margin:0;font-size:13px;line-height:1.5}.sp-note blockquote{margin:5px 0 0;padding-left:8px;border-left:2px solid var(--pr-rule);font-size:12px;font-style:italic;color:var(--pr-muted)}.sp-note blockquote span{font-style:normal;color:var(--pr-faint);font-size:11px}.sp-note small{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin-top:5px;font-size:10.5px;color:var(--pr-faint)}.sp-concept{color:var(--pr-accent)}.sp-seeded{padding:0 6px;border:1px dashed #cfd5cb;border-radius:8px}.sp-note[data-kind=misconception]{border-left:2px solid #c98a5e}.sp-note[data-outcome=didnt]{border-left:2px solid #c8cfc5}.sp-mastery{margin-bottom:12px}.sp-mrow{display:grid;grid-template-columns:minmax(0,1fr) 96px 84px;align-items:center;gap:10px;padding:5px 0;font-size:12.5px;border-bottom:1px solid #ebeee7}.sp-mrow em{font-style:normal;font-size:11px;color:var(--pr-muted);text-align:right}.sp-bar{display:block;height:6px;border-radius:3px;background:#e6eae2;overflow:hidden}.sp-bar b{display:block;height:100%;border-radius:3px;background:#9fb3a3}.sp-bar[data-band=secure] b{background:#4d8061}.sp-bar[data-band=mastered] b{background:var(--pr-accent)}.sp-bar[data-band=beginning] b{background:#d5a27c}.sp-sessions{list-style:none;margin:0;padding:0;display:grid;gap:8px}.sp-sessions li{background:var(--pr-paper);border:1px solid #e6e9e2;padding:10px 12px}.sp-sessions p{margin:4px 0 0;font-size:12.5px;line-height:1.55;color:var(--pr-ink)}.sp-sessions .sp-task{color:var(--pr-muted);font-size:12px}.sp-session-top{display:flex;justify-content:space-between;gap:10px;font-size:13px}.sp-session-top small{font-size:11px;color:var(--pr-faint);white-space:nowrap}.sp-empty{font-size:13px;color:var(--pr-muted);padding:12px 14px;border:1px dashed var(--pr-rule);margin:0}.sp-foot{margin-top:22px;font-size:11px;color:var(--pr-faint)}.sp-unlock{display:flex;gap:8px;margin:-4px 0 12px}.sp-unlock input{flex:1;padding:7px 10px;font-size:13px}.tf-avatar{--lv: 0;position:relative;flex-shrink:0;display:grid;place-items:center}.tf-avatar svg{width:100%;height:100%;overflow:visible;position:relative;z-index:1;animation:tf-breathe 4.2s ease-in-out infinite;transform-origin:50% 90%}.tf-body{fill:var(--pr-accent)}.tf-sprout{fill:var(--pr-warm)}.tf-cheek{fill:#e7a07c;opacity:.55}.tf-eye{fill:var(--pr-paper);transform-box:fill-box;transform-origin:center;animation:tf-blink 5s infinite}.tf-eyes{transition:transform .35s ease}.tf-smile{fill:none;stroke:var(--pr-paper);stroke-width:3.4;stroke-linecap:round}.tf-mouth{fill:var(--pr-paper);opacity:0;stroke:var(--pr-paper);stroke-width:1;transform-box:fill-box;transform-origin:center;transform:scaleY(calc(.15 + var(--lv) * .95)) scaleX(calc(.8 + var(--lv) * .25))}.tf-halo{position:absolute;inset:-6%;border-radius:50%;border:2px solid #4d8061;opacity:0;transform:scale(calc(1 + var(--lv) * .32));transition:opacity .25s}.tf-dots{position:absolute;right:-16%;top:2%;display:flex;gap:3px;opacity:0;transition:opacity .2s}.tf-dots i{width:6px;height:6px;border-radius:50%;background:var(--pr-warm);animation:tf-dot 1.1s ease-in-out infinite}.tf-dots i:nth-child(2){animation-delay:.15s}.tf-dots i:nth-child(3){animation-delay:.3s}.tf-avatar[data-state=listening] .tf-halo{opacity:calc(.25 + var(--lv) * .75)}.tf-avatar[data-state=listening] .tf-eye{ry:7.5}.tf-avatar[data-state=thinking] .tf-eyes{transform:translate(4px,-5px)}.tf-avatar[data-state=thinking] .tf-dots{opacity:1}.tf-avatar[data-state=thinking] svg{animation:tf-think 1.8s ease-in-out infinite}.tf-avatar[data-state=thinking] .tf-smile{d:path("M43 69 Q50 71 57 69")}.tf-avatar[data-state=speaking] .tf-smile{opacity:0}.tf-avatar[data-state=speaking] .tf-mouth{opacity:1}.tf-avatar[data-state=speaking] svg{animation:none;transform:translateY(calc(var(--lv) * -2px))}@keyframes tf-breathe{50%{transform:scale(1.025)}}@keyframes tf-think{0%,to{transform:rotate(-3deg)}50%{transform:rotate(3deg) scale(1.02)}}@keyframes tf-blink{0%,92%,to{transform:scaleY(1)}95%{transform:scaleY(.1)}}@keyframes tf-dot{0%,to{transform:translateY(0);opacity:.35}40%{transform:translateY(-5px);opacity:1}}@media(prefers-reduced-motion:reduce){.tf-avatar svg,.tf-eye,.tf-dots i,.pr-wait-status i,.db-turn[data-state=thinking]{animation:none!important}}.stage-presence{display:flex;align-items:center;gap:12px;min-width:0}.stage-presence .stage-status{position:relative;font-size:12px;color:var(--pr-ink);font-weight:500;background:var(--pr-soft);border:1px solid #dfe6dc;padding:6px 12px;border-radius:14px 14px 14px 4px;white-space:nowrap}.stage-you{display:flex;align-items:center;gap:8px;min-width:0;max-width:340px;font-size:12px;color:var(--pr-muted)}.stage-you q{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-style:italic}.learner-bars{display:flex;align-items:center;gap:2px;height:18px}.learner-bars span{width:3px;border-radius:2px;background:#4d8061;height:calc(4px + var(--b, 0) * 14px);transition:height .08s}.canvas-welcome .tf-avatar{margin:0 auto 22px}.canvas-welcome .pr-primary{margin-top:24px}.stage-thinking-note{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;color:var(--pr-accent)}@media(max-width:1000px){.pr-split,.pr-setup,.pr-start{grid-template-columns:1fr}.pr-setup-side{position:static}}@media(max-width:700px){.pr-hero-mark{display:none!important}.pr-header{padding:12px 16px}.pr-identity small,.pr-nav a{display:none}.pr-main{padding:0 16px 48px}.pr-options{grid-template-columns:1fr}.pr-option{border-right:0;border-bottom:1px solid var(--pr-rule)}.pr-option:last-child{border-bottom:0}.db-head{flex-direction:column;align-items:flex-start}.db-summary,.db-row{grid-template-columns:1fr}.db-cluster[data-slots]{grid-column:auto}.db-cluster[data-slots] .db-cards{grid-template-columns:1fr 1fr}.db-frame-backdrop{padding:0}}
