/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@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-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{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@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,ui-sans-serif, system-ui, 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;-webkit-text-decoration:inherit;-webkit-text-decoration: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{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}}@layer components;@layer utilities{.visible{visibility:visible}.fixed{position:fixed}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.m-1{margin:calc(var(--spacing) * 1)}.m-2{margin:calc(var(--spacing) * 2)}.m-3{margin:calc(var(--spacing) * 3)}.m-4{margin:calc(var(--spacing) * 4)}.m-5{margin:calc(var(--spacing) * 5)}.m-6{margin:calc(var(--spacing) * 6)}.m-7{margin:calc(var(--spacing) * 7)}.m-8{margin:calc(var(--spacing) * 8)}.m-9{margin:calc(var(--spacing) * 9)}.m-10{margin:calc(var(--spacing) * 10)}.block{display:block}.grid{display:grid}.hidden{display:none}.table{display:table}.shrink{flex-shrink:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.rounded{border-radius:.25rem}.p-1{padding:calc(var(--spacing) * 1)}.p-2{padding:calc(var(--spacing) * 2)}.p-3{padding:calc(var(--spacing) * 3)}.p-4{padding:calc(var(--spacing) * 4)}.p-5{padding:calc(var(--spacing) * 5)}.p-6{padding:calc(var(--spacing) * 6)}.p-7{padding:calc(var(--spacing) * 7)}.p-8{padding:calc(var(--spacing) * 8)}.p-9{padding:calc(var(--spacing) * 9)}.p-10{padding:calc(var(--spacing) * 10)}.grayscale{--tw-grayscale:grayscale(100%);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,)}.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,)}}:root{--ink:#102521;--muted:#60706c;--line:#d8e0cc;--paper:#fff;--bg:#fbfcf7;--green:#0b5c32;--lime:#c9ef4a;--navy:#083d2c;--surface:#fff;--soft:#f7f9ef;--shadow:#153c3212;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html[data-theme=dark]{--ink:#eff7e4;--muted:#a7baa9;--line:#315c46;--paper:#082f23;--bg:#031f18;--green:#bce84a;--lime:#d1f455;--navy:#052b20;--surface:#082f23;--soft:#0b382a;--shadow:#00000040;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:var(--font-sans),Arial,sans-serif;margin:0;transition:background-color .2s,color .2s}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.brand{letter-spacing:-.05em;isolation:isolate;align-items:center;min-height:44px;font-size:21px;font-weight:800;display:inline-flex;position:relative}.brand:before{content:"";z-index:-1;opacity:.09;mix-blend-mode:multiply;pointer-events:none;background:url(/basis-bulldogs.png) 50%/contain no-repeat;width:62px;height:62px;position:absolute;top:50%;left:-13px;transform:translateY(-50%)}.brand span{letter-spacing:.14em;margin-left:7px;font-size:10px;font-weight:500}.brand-light{color:#fff}.login-wordmark{flex-direction:column;align-items:flex-start;gap:5px}.login-wordmark:before{display:none}.login-wordmark .wordmark-main{letter-spacing:-.05em;margin:0;font-size:21px;font-weight:800}.login-wordmark .wordmark-main b{letter-spacing:.14em;margin-left:7px;font-size:10px;font-weight:500}.login-wordmark small{font:700 10px/1 var(--font-mono),monospace;letter-spacing:.16em;color:#b9cbc6;text-transform:uppercase}.eyebrow{font:700 11px/1 var(--font-mono),monospace;letter-spacing:.14em;color:var(--green)}.eyebrow.light{color:var(--lime)}.muted{color:var(--muted)}.login-shell{grid-template-columns:1.05fr .95fr;min-height:100vh;display:grid}.login-brand{background:var(--navy);color:#fff;flex-direction:column;padding:48px 8vw;display:flex;position:relative;overflow:hidden}.login-brand:after{content:"";border:1px solid #fff2;border-radius:50%;width:480px;height:480px;position:absolute;bottom:-180px;right:-170px;box-shadow:0 0 0 80px #ffffff08,0 0 0 160px #ffffff05}.brand-message{z-index:1;max-width:560px;margin:auto 0;position:relative}.brand-message h1{letter-spacing:-.07em;margin:24px 0;font-size:clamp(52px,6vw,90px);line-height:.95}.brand-message>p:last-child{color:#c8d6d2;max-width:480px;font-size:18px;line-height:1.6}.brand-foot{font:600 12px var(--font-mono);letter-spacing:.08em;color:#9fb4ae}.login-panel{place-items:center;padding:40px;display:grid}.login-card{width:min(420px,100%)}.login-card h2{letter-spacing:-.045em;margin:18px 0 8px;font-size:40px}.login-card form{margin-top:34px}.login-card label{margin:18px 0 7px;font-size:13px;font-weight:650;display:block}.login-card input,.editor input,.editor textarea,.editor select{background:#fff;border:1px solid #ccd7d3;border-radius:7px;outline:none;width:100%;padding:13px 14px}.login-card input:focus,.editor input:focus,.editor textarea:focus,.editor select:focus{border-color:var(--green);box-shadow:0 0 0 3px #0e6b5814}.form-row{justify-content:space-between;align-items:center;margin:16px 0 24px;font-size:12px;display:flex}.form-row .checkbox{align-items:center;gap:8px;margin:0;font-weight:500;display:flex}.checkbox input{width:auto}.form-row a{color:var(--green);font-weight:700}.button{cursor:pointer;border:0;border-radius:6px;justify-content:center;align-items:center;padding:12px 18px;font-weight:750;display:inline-flex}.primary{background:var(--green);color:#fff}.white{color:var(--navy);background:#fff}.ghost{border:1px solid var(--line);background:#fff}.full{width:100%}.demo-note{text-align:center;color:#80908c;margin-top:20px;font-size:11px}.topbar{border-bottom:1px solid var(--line);z-index:10;background:#fff;align-items:center;gap:56px;height:72px;padding:0 max(24px,50vw - 590px);display:flex;position:sticky;top:0}.topbar nav{align-self:stretch;gap:34px;display:flex}.topbar nav a{color:#65736f;align-items:center;font-size:13px;font-weight:650;display:flex;position:relative}.topbar nav a.active{color:var(--ink)}.topbar nav a.active:after{content:"";background:var(--green);height:2px;position:absolute;bottom:0;left:0;right:0}.user{align-items:center;gap:10px;margin-left:auto;display:flex}.avatar{color:#304b27;background:#e2edb1;border-radius:50%;place-items:center;width:34px;height:34px;font-size:11px;font-weight:800;display:grid}.user span{flex-direction:column;font-size:12px;display:flex}.user small{color:#82908c;margin-top:2px}.content{width:min(1180px,100% - 48px);margin:0 auto;padding:56px 0 80px}.welcome{justify-content:space-between;align-items:end;margin-bottom:34px;display:flex}.welcome h1,.form-head h1{letter-spacing:-.05em;margin:12px 0 8px;font-size:42px}.welcome>div>p:last-child,.form-head>div>p:last-child{color:var(--muted);margin:0}.streak{border-left:1px solid var(--line);grid-template-columns:auto auto;gap:0 10px;padding:4px 12px 4px 28px;display:grid}.streak span{grid-row:1/3;font-size:26px}.streak strong{font-size:14px}.streak small{color:var(--muted)}.focus-card{background:var(--navy);color:#fff;border-radius:12px;grid-template-columns:1.3fr .7fr;min-height:290px;display:grid;overflow:hidden;box-shadow:0 15px 45px #153c3218}.focus-copy{padding:42px}.focus-copy h2{letter-spacing:-.04em;margin:14px 0 8px;font-size:36px}.focus-copy>p:not(.eyebrow){color:#bcd0ca}.progress{background:#e1e8e5;border-radius:8px;height:5px;overflow:hidden}.progress i{background:var(--green);height:100%;display:block}.progress.dark{background:#ffffff20;width:280px;margin:28px 0 20px}.progress.dark i{background:var(--lime)}.focus-pattern{text-align:center;font:700 12px var(--font-mono);letter-spacing:.15em;color:#8fb0a7;background:#185143;grid-template-columns:1fr 1fr;align-items:center;display:grid;position:relative}.focus-pattern span:first-child{font:700 100px var(--font-sans);letter-spacing:-.1em;color:#ffffff0c;position:absolute;inset:auto 15px 0 auto}.section-heading{justify-content:space-between;align-items:end;margin:54px 0 22px;display:flex}.section-heading h2{letter-spacing:-.04em;margin:10px 0 0;font-size:28px}.section-heading>p{color:var(--muted);font-size:12px}.week-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.week-card{border:1px solid var(--line);background:#fff;border-radius:10px;transition:all .2s;overflow:hidden}.week-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px #153c3214}.week-art{justify-content:space-between;align-items:end;height:128px;padding:20px;display:flex}.week-art>span{letter-spacing:-.08em;font-size:62px;font-weight:750;line-height:.75}.week-art small{font:700 11px var(--font-mono);letter-spacing:.1em}.week-art.mint{background:#cfe7dc}.week-art.blue{background:#cddfef}.week-art.violet{background:#ddd8ef}.week-meta{font:700 10px var(--font-mono);letter-spacing:.09em;color:#788783;justify-content:space-between;align-items:center;display:flex}.status{background:#eef2f0;border-radius:3px;padding:5px 7px}.status.complete{color:#266858;background:#e0f0e9}.status.in-progress{color:#735d08;background:#f5ebbb}.week-body h3{letter-spacing:-.03em;margin:18px 0 8px;font-size:20px}.week-body>p{color:var(--muted);min-height:61px;font-size:13px;line-height:1.55}.tags{gap:6px;margin:18px 0;display:flex}.tags span,.lesson-tags span{border:1px solid var(--line);color:#62716d;border-radius:20px;padding:5px 9px;font-size:10px}.back{color:var(--green);margin-bottom:22px;font-size:12px;font-weight:700;display:inline-block}.lesson-hero{background:var(--navy);color:#fff;border-radius:12px;justify-content:space-between;padding:48px;display:flex;overflow:hidden}.lesson-hero h1{letter-spacing:-.055em;margin:15px 0 10px;font-size:48px}.lesson-hero>div:first-child>p:not(.eyebrow){color:#c2d2ce;font-size:17px}.lesson-tags{gap:8px;margin-top:30px;display:flex}.lesson-tags span{color:#d6e2df;border-color:#ffffff2b}.hero-number{color:#ffffff0a;letter-spacing:-.12em;font-size:150px;font-weight:800;line-height:.8}.lesson-layout{grid-template-columns:minmax(0,1fr) 280px;gap:24px;margin-top:24px;display:grid}.paper,.side-card{border:1px solid var(--line);background:#fff;border-radius:9px;margin-bottom:18px;padding:32px}.paper h2{letter-spacing:-.035em;margin:12px 0;font-size:25px}.paper>p:not(.eyebrow){color:#53645f;line-height:1.75}.concept-flow{background:#f5f8f6;justify-content:space-between;align-items:center;margin-top:28px;padding:24px;display:flex}.concept-flow div{flex-direction:column;align-items:center;gap:8px;font-size:12px;display:flex}.concept-flow strong{background:#dced93;border-radius:50%;place-items:center;width:30px;height:30px;display:grid}.concept-flow b{color:#9eaaa6}.code{font:13px/1.8 var(--font-mono);color:#e8f0ed;background:#122823;border-radius:6px;margin-top:20px;padding:22px}.code span{color:#8aaba2}.code b{color:var(--lime)}.problem{border-top:1px solid var(--line);grid-template-columns:30px 1fr auto;align-items:center;gap:14px;padding:15px 0;display:grid}.problem>span{width:27px;height:27px;font:700 11px var(--font-mono);background:#eef3f1;border-radius:50%;place-items:center;display:grid}.problem p{font-size:13px}.problem button{color:var(--green);background:0 0;border:0;font-size:12px;font-weight:700}.side-card{padding:24px}.big-progress{letter-spacing:-.05em;margin:18px 0 8px;font-size:38px;font-weight:750}.side-card ul{margin:20px 0 0;padding:0;list-style:none}.side-card li{color:#788783;padding:8px 0;font-size:12px}.side-card li.done{color:#254a41}.side-card>a{color:var(--green);border-bottom:1px solid var(--line);padding:10px 0;font-size:12px;font-weight:650;display:block}.side-card.locked{align-items:center;gap:12px;display:flex}.side-card.locked div{flex-direction:column;font-size:12px;display:flex}.side-card.locked small{color:var(--muted);margin-top:3px}.form-head{justify-content:space-between;align-items:end;margin-bottom:34px;display:flex}.editor{max-width:850px}.step-title{align-items:start;gap:16px;margin-bottom:28px;display:flex}.step-title>span{background:var(--navy);color:var(--lime);font:700 11px var(--font-mono);border-radius:4px;padding:8px}.step-title h2{margin:1px 0 4px}.step-title p{color:var(--muted);margin:0;font-size:12px}.editor label{margin:17px 0;font-size:12px;font-weight:700;display:block}.editor input,.editor textarea,.editor select{resize:vertical;margin-top:8px;font-weight:450;display:block}.form-grid{grid-template-columns:1fr 1fr;gap:0 16px;display:grid}.form-grid .wide{grid-column:1/-1}.editor .mono{font-family:var(--font-mono)}.upload-row{gap:10px;margin:20px 0;display:flex}.upload{color:var(--green);background:#f8faf9;border:1px dashed #aebdb8;border-radius:6px;padding:14px 18px;font-weight:700}.actionbar{border:1px solid var(--line);background:#fff;border-radius:8px;justify-content:space-between;align-items:center;padding:16px 20px;display:flex;position:sticky;bottom:16px;box-shadow:0 12px 35px #153c3222}.actionbar>span{color:var(--muted);font-size:11px}.actionbar>div{gap:8px;display:flex}@media (width<=800px){.login-shell{grid-template-columns:1fr}.login-brand{min-height:38vh;padding:28px}.brand-message{margin:60px 0}.brand-message h1{font-size:52px}.brand-foot{display:none}.login-panel{padding:48px 24px}.topbar{height:64px;padding:0 20px}.topbar nav{display:none}.topbar .brand:before{opacity:.07;width:48px;height:48px;left:-8px}.user span{display:none}.user .pixel-avatar{display:inline-grid}.content{width:calc(100% - 32px);padding:34px 0 64px}.welcome{align-items:start}.welcome h1,.form-head h1{font-size:34px}.streak{display:none}.focus-card{grid-template-columns:1fr}.focus-copy{padding:28px}.focus-pattern{display:none}.focus-copy h2{font-size:29px}.week-grid{grid-template-columns:1fr}.week-art{height:110px}.section-heading{margin-top:42px}.lesson-hero{padding:30px}.lesson-hero h1{font-size:36px}.hero-number{display:none}.lesson-layout{grid-template-columns:1fr}.lesson-layout aside{grid-template-columns:1fr;display:grid}.concept-flow{padding:18px 10px}.concept-flow b{font-size:10px}.paper{padding:24px}.form-head{display:block}.form-head .button{margin-top:20px}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.actionbar>span{display:none}.actionbar{justify-content:flex-end}}.user form{margin:0 0 0 6px}.signout-link{color:var(--green);cursor:pointer;font:inherit;text-underline-offset:3px;background:0 0;border:0;padding:6px 0;font-size:12px;font-weight:700;text-decoration:underline}.signout-link:hover{color:var(--ink)}.account-link{color:var(--green);text-underline-offset:3px;margin-left:8px;font-size:12px;font-weight:700;text-decoration:underline}.account-page{max-width:760px}.account-card{margin-top:24px}.account-card h1{letter-spacing:-.04em;margin:10px 0;font-size:38px}.account-card>p:not(.eyebrow){color:var(--muted);line-height:1.6}.password-form{gap:18px;max-width:480px;margin-top:28px;display:grid}.password-form label{gap:8px;font-size:13px;font-weight:700;display:grid}.password-form input{border:1px solid var(--line);width:100%;font:inherit;color:var(--ink);background:#fff;border-radius:7px;padding:14px}.password-form input:focus{border-color:var(--green);outline:2px solid #0b6e5b33}.password-form .button{justify-self:start}.form-message{color:#285b50;background:#edf5f1;border-radius:6px;padding:12px 14px;font-size:13px;line-height:1.5}.standalone-account{background:var(--bg);place-items:center;min-height:100vh;padding:24px;display:grid}.standalone-account .account-card{width:min(620px,100%);margin:0}.account-back{margin-top:28px;display:inline-block}.review-readonly{color:#266858;background:#edf6f1;border-radius:6px;margin-top:16px;padding:13px 15px;font-size:12px}.review-readonly p{color:#53645f;margin:6px 0 0;line-height:1.55}.review-complete{color:#21614f;background:#dcefe7;border-radius:6px;align-items:center;padding:11px 15px;font-size:12px;font-weight:750;display:inline-flex}.form-error{color:#a6342a;background:#fff0ee;border:1px solid #f0c4bf;border-radius:6px;margin:-8px 0 14px;padding:10px 12px;font-size:12px}.button:disabled{opacity:.65;cursor:wait}.week-art.amber{background:#f1e2b8}.week-art.coral{background:#edcfc3}.lesson-grid{grid-template-columns:repeat(3,1fr)}.path-stat{flex-direction:column;display:flex}.path-stat strong{font-size:20px}.tags{flex-wrap:wrap}.flow-item{flex:1;flex-direction:row!important;align-items:center!important;gap:18px!important;display:flex!important}.flow-item:first-child{flex:.8}.flow-item>b{color:#9eaaa6}.flow-item>span{flex-direction:column;align-items:center;gap:8px;display:flex}.flow-item em{text-align:center;font-style:normal;font-weight:650}.key-list{margin:24px 0 0;padding:0;list-style:none}.key-list li{border-top:1px solid var(--line);color:#435650;padding:13px 0 13px 28px;font-size:14px;line-height:1.55;position:relative}.key-list li:before{content:"✓";color:var(--green);font-weight:800;position:absolute;left:2px}.lesson-code{white-space:pre-wrap;margin-top:20px;overflow:auto}.exercise-list{margin-top:26px}.exercise{border-top:1px solid var(--line)}.exercise>summary{cursor:pointer;grid-template-columns:76px 1fr auto;align-items:center;gap:12px;padding:18px 0;list-style:none;display:grid}.exercise>summary::-webkit-details-marker{display:none}.exercise>summary strong{font-size:14px}.exercise>summary em{color:var(--green);font-size:11px;font-style:normal;font-weight:750}.exercise-body{padding:0 0 20px 88px}.exercise-body>p{color:#435650;font-size:14px;line-height:1.7}.level{font:750 9px var(--font-mono);letter-spacing:.07em;text-transform:uppercase;text-align:center;border-radius:3px;padding:6px 8px}.level-core{color:#21614f;background:#dcefe7}.level-round1{color:#365778;background:#e3eaf4}.level-advanced{color:#704d7c;background:#eee6f2}.hint{background:#f4f7f5;border-radius:6px;margin-top:14px;padding:12px 14px}.hint summary{cursor:pointer;color:var(--green);font-size:12px;font-weight:750}.hint p{margin:10px 0 2px;font-size:13px;line-height:1.6}.side-tags{flex-wrap:wrap;gap:7px;margin-top:18px;display:flex}.side-tags span{border:1px solid var(--line);border-radius:20px;padding:6px 9px;font-size:10px}.source-note{color:#8a9692;padding:0 8px;font-size:10px;line-height:1.6}@media (width<=800px){.lesson-grid{grid-template-columns:1fr}.section-heading>p{text-align:right;max-width:150px}.concept-flow{justify-content:flex-start;gap:14px;overflow-x:auto}.flow-item{min-width:105px}.exercise>summary{grid-template-columns:68px 1fr auto}.exercise-body{padding-left:0}}.homework-workspace{margin-top:26px}.homework-status{border:1px solid var(--line);background:#f3f7f5;border-radius:8px;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:16px 18px;display:grid}.homework-status>div:first-child{flex-direction:column;display:flex}.homework-status strong{font-size:15px}.homework-status span,.homework-status small{color:var(--muted);font-size:10px}.homework-meter{background:#dce5e1;border-radius:10px;height:6px;overflow:hidden}.homework-meter i{background:var(--green);height:100%;transition:width .2s;display:block}.homework-question{border-top:1px solid var(--line);padding:26px 0}.question-heading{align-items:center;gap:14px;display:flex}.question-heading>div{flex-direction:column;gap:3px;display:flex}.question-heading small{font:700 9px var(--font-mono);letter-spacing:.1em;color:#8a9692}.question-heading h3{margin:0;font-size:17px}.question-prompt{color:#354b45!important;margin:18px 0!important;font-size:14px!important;line-height:1.7!important}.answer-label{margin-bottom:8px;font-size:11px;font-weight:750;display:block}.homework-answer{resize:vertical;width:100%;min-height:130px;color:var(--ink);font:13px/1.65 var(--font-mono);background:#fbfdfc;border:1px solid #cbd8d3;border-radius:7px;outline:none;padding:14px 15px}.homework-answer:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 3px #0e6b5814}.homework-answer:disabled{color:#53645f;background:#f1f4f3}.question-tools{justify-content:space-between;align-items:start;gap:12px;margin-top:9px;display:flex}.question-tools .hint{flex:1;margin:0}.question-tools>span{color:#899792;padding-top:10px;font-size:9px}.homework-submit{background:var(--navy);color:#fff;border-radius:9px;justify-content:space-between;align-items:center;gap:24px;margin-top:10px;padding:22px 24px;display:flex}.homework-submit strong{font-size:16px}.homework-submit p{color:#bcd0ca;margin:5px 0 0;font-size:11px;line-height:1.5}.homework-submit.is-submitted{background:#1d604f}.homework-submit .ghost{color:var(--navy)}.submit-actions{flex-shrink:0;gap:8px;display:flex}.submission-notice{font-weight:700;color:var(--lime)!important}.local-save-note{text-align:center;color:#84928e!important;margin:13px 0 0!important;font-size:10px!important;line-height:1.5!important}@media (width<=800px){.homework-paper{padding:22px 18px}.homework-status{grid-template-columns:1fr auto}.homework-meter{grid-area:2/1/auto/-1}.homework-submit{flex-direction:column;align-items:stretch}.submit-actions{grid-template-columns:1fr 1fr;display:grid}.question-tools{flex-direction:column}.question-tools>span{align-self:flex-end}}.lesson-layout>article,.lesson-layout>aside{min-width:0}.lesson-code{max-width:100%;overflow-x:auto}.focus-actions,.card-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.outline-light{color:#fff;background:0 0;border:1px solid #fff5}.card-actions{border-top:1px solid var(--line);margin-top:18px;padding-top:15px}.card-actions a{color:var(--green);font-size:11px;font-weight:750}.card-actions a+a{border-left:1px solid var(--line);padding-left:10px}.week-body h3 a:hover,.card-actions a:hover{text-decoration:underline}.grade-result{border-radius:6px;flex-direction:column;gap:3px;margin:-4px 0 15px;padding:11px 13px;display:flex}.grade-result strong{font-size:12px}.grade-result span{font-size:11px}.grade-correct{color:#17604e;background:#e3f3ec}.grade-revision{color:#8a520a;background:#fff1df}.grade-review{color:#365778;background:#eaf0f7}.optional-callout{background:#eef5c9;justify-content:space-between;align-items:center;gap:28px;display:flex}.optional-callout>div{max-width:620px}.optional-callout .button{flex-shrink:0}.practice-side{flex-direction:column;gap:7px;display:flex}.practice-side strong{margin-top:5px;font-size:16px}.practice-side small{color:var(--muted);font-size:10px}.practice-side a{border:0;padding:9px 0 0}.practice-hero{background:var(--navy);color:#fff;border-radius:12px;justify-content:space-between;align-items:end;gap:40px;padding:44px 48px;display:flex}.practice-hero h1{letter-spacing:-.05em;max-width:690px;margin:14px 0 12px;font-size:43px;line-height:1.05}.practice-hero p:not(.eyebrow){color:#c2d2ce;max-width:750px;line-height:1.65}.practice-hero-stat{border-left:1px solid #ffffff2e;flex-direction:column;min-width:140px;padding-left:30px;display:flex}.practice-hero-stat strong{color:var(--lime);font-size:64px;line-height:.9}.practice-hero-stat span{color:#bdd0cb;margin-top:10px;font-size:11px}.optional-workspace{margin-top:22px}.practice-summary{border:1px solid var(--line);background:#fff;border-radius:9px;grid-template-columns:auto auto 1fr auto;align-items:center;gap:22px;padding:17px 20px;display:grid}.practice-summary>div:not(.practice-meter){flex-direction:column;display:flex}.practice-summary strong{font-size:16px}.practice-summary span,.practice-summary small{color:var(--muted);font-size:10px}.practice-meter{background:#e0e8e4;border-radius:8px;height:6px;overflow:hidden}.practice-meter i{background:var(--green);height:100%;display:block}.practice-filters{gap:8px;margin:20px 0;display:flex}.practice-filters button{border:1px solid var(--line);color:#52635f;cursor:pointer;background:#fff;border-radius:20px;padding:8px 13px;font-size:11px;font-weight:700}.practice-filters button.active{background:var(--navy);border-color:var(--navy);color:#fff}.optional-list{grid-template-columns:1fr 1fr;gap:18px;display:grid}.optional-question{border:1px solid var(--line);background:#fff;border-radius:9px;padding:25px}.optional-heading{align-items:center;gap:13px;display:flex}.optional-heading>div{flex-direction:column;gap:3px;display:flex}.optional-heading small{font:700 9px var(--font-mono);letter-spacing:.08em;color:#84918e}.optional-heading h2{margin:0;font-size:18px}.optional-question>p{color:#455853;margin:18px 0;font-size:13px;line-height:1.6}.practice-level{font:750 9px var(--font-mono);text-transform:uppercase;border-radius:3px;padding:6px 8px}.practice-foundation{color:#21614f;background:#dcefe7}.practice-round1{color:#365778;background:#e3eaf4}.practice-challenge{color:#704d7c;background:#eee6f2}.choice-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.choice-grid label{font:12px var(--font-mono);cursor:pointer;border:1px solid #d8e1de;border-radius:6px;align-items:center;gap:8px;padding:11px 12px;display:flex}.choice-grid label.selected{border-color:var(--green);background:#f0f7f4}.choice-grid label.answer-correct{background:#e5f3ed;border-color:#3d8c72}.choice-grid label.answer-wrong{background:#fff0e9;border-color:#c97d5f}.choice-grid input{accent-color:var(--green)}.practice-tools{align-items:start;gap:12px;margin-top:14px;display:flex}.practice-tools .hint{flex:1;margin:0}.practice-tools .button{white-space:nowrap;font-size:11px}.practice-feedback{border-radius:6px;margin-top:12px;padding:12px 14px}.practice-feedback strong{font-size:12px}.practice-feedback p{margin:4px 0 0;font-size:11px;line-height:1.5}.practice-feedback.is-correct{color:#17604e;background:#e3f3ec}.practice-feedback.is-wrong{color:#7c4c10;background:#fff1df}@media (width<=800px){.optional-callout{flex-direction:column;align-items:stretch}.practice-hero{flex-direction:column;align-items:start;padding:30px}.practice-hero h1{font-size:34px}.practice-hero-stat{border:0;border-top:1px solid #ffffff2e;width:100%;min-width:0;padding:20px 0 0}.practice-hero-stat strong{font-size:45px}.practice-summary{grid-template-columns:1fr 1fr}.practice-meter{grid-area:2/1/auto/-1}.practice-summary>small{text-align:right}.practice-filters{padding-bottom:4px;overflow-x:auto}.practice-filters button{white-space:nowrap}.optional-list,.choice-grid{grid-template-columns:1fr}.practice-tools{flex-direction:column}.practice-tools .hint,.practice-tools .button{width:100%}}.practice-summary{grid-template-columns:auto auto auto 1fr auto}.practice-response-label{font-size:11px;font-weight:750;display:block}.practice-short-answer,.practice-long-answer{width:100%;color:var(--ink);background:#fbfdfc;border:1px solid #cbd8d3;border-radius:7px;outline:none;margin-top:8px;padding:13px 14px;display:block}.practice-short-answer:focus,.practice-long-answer:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 3px #0e6b5814}.practice-long-answer{resize:vertical;min-height:135px;line-height:1.55}.practice-long-answer.is-code{font-family:var(--font-mono);font-size:12px}.practice-short-answer:disabled,.practice-long-answer:disabled{color:#53645f;background:#f1f4f3}@media (width<=800px){.practice-summary{grid-template-columns:1fr 1fr}.practice-summary>div:nth-child(3){text-align:right}.practice-meter{grid-area:auto/1/auto/-1}.practice-summary>small{text-align:center;grid-column:1/-1}}.homework-loading,.review-empty{color:var(--muted);padding:24px;font-size:13px}.grade-awaiting_review{color:#365778;background:#eaf0f7}.grade-approved{color:#17604e;background:#e3f3ec}.grade-needs_revision,.grade-revision_requested{color:#8a520a;background:#fff1df}.review-list{gap:20px;display:grid}.review-submission{padding:0;overflow:hidden}.review-submission>header{border-bottom:1px solid var(--line);background:#f5f8f6;justify-content:space-between;align-items:start;gap:20px;padding:25px 28px;display:flex}.review-submission h2{margin:8px 0 3px;font-size:21px}.review-submission header p:last-child{color:var(--muted);margin:0;font-size:10px}.review-status,.answer-state{font:750 9px var(--font-mono);text-transform:uppercase;letter-spacing:.05em;border-radius:4px;padding:7px 9px}.status-submitted,.answer-awaiting_review{color:#365778;background:#e3eaf4}.status-reviewed,.answer-approved,.answer-correct{color:#21614f;background:#dcefe7}.status-needs_revision,.answer-needs_revision,.answer-revision_requested{color:#83510f;background:#fff0d9}.review-answer{border-bottom:1px solid var(--line);padding:26px 28px}.review-answer:last-child{border:0}.review-answer-head{justify-content:space-between;align-items:center;gap:20px;display:flex}.review-answer-head>div{flex-direction:column;gap:4px;display:flex}.review-answer-head small{font:700 9px var(--font-mono);color:#8a9692;letter-spacing:.08em}.review-answer-head strong{font-size:15px}.review-prompt{color:var(--muted);font-size:12px;line-height:1.55}.review-answer pre{white-space:pre-wrap;border:1px solid var(--line);font:12px/1.65 var(--font-mono);background:#f6f8f7;border-radius:6px;padding:15px}.review-controls{grid-template-columns:1fr auto;align-items:end;gap:14px;margin-top:15px;display:grid}.review-controls label{font-size:11px;font-weight:750}.review-controls textarea{resize:vertical;border:1px solid #cbd8d3;border-radius:6px;width:100%;min-height:76px;margin-top:7px;padding:11px;display:block}.review-controls>div{gap:8px;display:flex}.review-controls .button{font-size:11px}.answer-ungraded{color:#65736f;background:#eef2f0}@media (width<=800px){.review-submission>header,.review-answer{padding:21px 19px}.review-controls{grid-template-columns:1fr}.review-controls>div{grid-template-columns:1fr 1fr;display:grid}.review-answer-head{flex-direction:column;align-items:start}}.pixel-avatar{--pixel-bg:#dbece6;--pixel-main:#173d34;--pixel-accent:#d7f56d;background:var(--pixel-bg);border:2px solid #173d34;border-radius:4px;flex:none;place-items:center;width:34px;height:34px;display:inline-grid;overflow:hidden;box-shadow:2px 2px #173d3430}.pixel-avatar svg{width:82%;height:82%;image-rendering:pixelated}.pixel-avatar .pixel-color-1{fill:var(--pixel-main)}.pixel-avatar .pixel-color-2{fill:var(--pixel-accent)}.pixel-large{border-width:3px;width:58px;height:58px;box-shadow:3px 3px #173d3430}.pixel-amber{--pixel-bg:#f1deb0;--pixel-accent:#e47738}.pixel-violet{--pixel-bg:#ded8ef;--pixel-accent:#8b71c7}.pixel-lime{--pixel-bg:#dff0ac;--pixel-accent:#6aa54f}.pixel-blue{--pixel-bg:#cfe4f2;--pixel-accent:#5b99c5}.pixel-pink{--pixel-bg:#efd4e5;--pixel-accent:#bc6ba0}.pixel-sand{--pixel-bg:#eadcc3;--pixel-accent:#ad7b45}.pixel-gray{--pixel-bg:#e2e7e5;--pixel-accent:#fff}.profile-card h1{letter-spacing:-.04em;margin:10px 0;font-size:38px}.profile-card>p:not(.eyebrow){color:var(--muted);line-height:1.6}.profile-form{gap:26px;margin-top:30px;display:grid}.profile-form>label{gap:7px;font-size:13px;font-weight:750;display:grid}.profile-form>label>span{color:var(--muted);font-size:11px;font-weight:450}.profile-form input[type=text],.profile-form>label>input:not([type=checkbox]){background:#fff;border:1px solid #cbd8d3;border-radius:7px;outline:none;width:100%;max-width:480px;padding:13px 14px}.profile-form fieldset{border:0;margin:0;padding:0}.profile-form legend{font-size:13px;font-weight:750}.profile-form fieldset>p{color:var(--muted);margin:6px 0 14px;font-size:11px}.avatar-picker{grid-template-columns:repeat(6,1fr);gap:10px;display:grid}.avatar-picker label{border:1px solid var(--line);cursor:pointer;text-align:center;background:#fbfdfc;border-radius:8px;flex-direction:column;align-items:center;gap:9px;padding:13px 6px;display:flex}.avatar-picker label.selected{border-color:var(--green);background:#f0f7f4;box-shadow:0 0 0 2px #0e6b581a}.avatar-picker input{opacity:0;pointer-events:none;position:absolute}.avatar-picker label>span:last-child{font-size:9px;font-weight:700}.profile-toggle{border:1px solid var(--line);background:#f7faf8;border-radius:7px;align-items:start;max-width:520px;padding:14px;grid-template-columns:auto 1fr!important}.profile-toggle input{accent-color:var(--green);margin-top:3px}.profile-toggle span{flex-direction:column;display:flex;gap:3px!important}.profile-toggle strong{color:var(--ink);font-size:12px}.profile-toggle small{color:var(--muted);font-weight:450}.profile-form>.button{justify-self:start}.leaderboard-page{max-width:850px}.leaderboard-card{padding:12px 28px}.leaderboard-list{margin:0;padding:0;list-style:none}.leaderboard-list li{border-bottom:1px solid var(--line);grid-template-columns:40px 42px 1fr auto;align-items:center;gap:12px;padding:16px 0;display:grid}.leaderboard-list li:last-child{border:0}.leaderboard-list .rank{font:800 17px var(--font-mono);color:#788783;text-align:center}.leaderboard-list strong{font-size:14px}.leaderboard-list .xp{font:750 12px var(--font-mono);color:var(--green)}.leaderboard-empty{text-align:center;padding:46px 20px}.leaderboard-empty .pixel-avatar{margin:0 auto 15px}.leaderboard-empty h2{margin:8px 0}.leaderboard-empty p{color:var(--muted);font-size:13px}.topbar .user{white-space:nowrap}@media (width<=800px){.topbar{gap:16px}.topbar .user{gap:7px}.topbar .account-link{display:none}.avatar-picker{grid-template-columns:repeat(3,1fr)}.profile-card{padding:22px 18px}.profile-card h1{font-size:30px}.leaderboard-card{padding:8px 18px}.leaderboard-list li{grid-template-columns:28px 40px 1fr auto;gap:8px}.leaderboard-list .xp{font-size:10px}}@media (width<=480px){.avatar-picker{grid-template-columns:repeat(2,1fr)}}.pixel-avatar-link{display:inline-flex}.account-menu{position:relative}.account-menu summary{cursor:pointer;border-radius:7px;align-items:center;gap:10px;padding:5px 7px;list-style:none;display:flex}.account-menu summary::-webkit-details-marker{display:none}.account-menu summary:hover,.account-menu[open] summary{background:#f0f5f2}.account-menu-panel{border:1px solid var(--line);z-index:20;background:#fff;border-radius:8px;width:150px;padding:7px;display:grid;position:absolute;top:calc(100% + 9px);right:0;box-shadow:0 14px 34px #173d3420}.account-menu-panel a,.account-menu-panel button{width:100%;color:var(--ink);font:700 12px var(--font-sans);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:5px;padding:10px 11px;text-decoration:none;display:block}.account-menu-panel a:hover,.account-menu-panel button:hover{color:var(--green);background:#eef5f1}.account-menu-panel form{border-top:1px solid var(--line);margin:4px 0 0;padding-top:4px}.course-admin-grid{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:24px;display:grid}.course-admin .editor{max-width:none}.course-queue{position:sticky;top:96px}.course-queue .paper{padding:24px}.course-list{gap:12px;margin-top:20px;display:grid}.course-list article{border:1px solid var(--line);background:#fbfdfc;border-radius:7px;gap:10px;padding:14px;display:grid}.course-list article>div:first-child{flex-direction:column;gap:4px;display:flex}.course-list article strong{font-size:12px;line-height:1.4}.course-list article span{color:var(--muted);font-size:10px}.course-state{font:750 9px var(--font-mono);text-transform:uppercase;color:#5f6d69;background:#eef2f0;border-radius:4px;justify-self:start;padding:5px 7px;font-style:normal}.state-in_review{color:#365778;background:#e3eaf4}.state-approved{color:#50601b;background:#eef5c9}.state-published{color:#21614f;background:#dcefe7}.course-actions{flex-wrap:wrap;gap:7px;display:flex}.course-actions button,.text-button{color:var(--green);cursor:pointer;background:0 0;border:0;padding:2px 0;font-size:10px;font-weight:750}.course-actions button+button{border-left:1px solid var(--line);padding-left:7px}.question-builder{gap:16px;margin-bottom:16px;display:grid}.question-builder fieldset{border:1px solid var(--line);background:#f8faf9;border-radius:8px;padding:18px}.question-builder legend{font:750 10px var(--font-mono);letter-spacing:.08em;color:var(--green);padding:0 7px}.text-button.danger{color:#9a463b;margin-top:8px}.bank-preview{gap:9px;margin-top:18px;display:grid}.bank-preview>div{border-top:1px solid var(--line);flex-direction:column;gap:3px;padding-top:9px;display:flex}.bank-preview strong{font-size:11px}.bank-preview span{color:var(--muted);text-transform:uppercase;font-size:9px}.course-admin .form-message{margin-bottom:20px}.bank-capture{margin-bottom:24px}.bank-capture .form-grid{margin-bottom:8px}.bank-capture label,.bank-search{margin:12px 0;font-size:12px;font-weight:700;display:block}.bank-capture input,.bank-capture textarea,.bank-capture select,.bank-search input{background:#fff;border:1px solid #ccd7d3;border-radius:7px;width:100%;margin-top:7px;padding:12px 13px;display:block}.bank-preview>div button{color:var(--green);text-align:left;cursor:pointer;background:0 0;border:0;padding:4px 0 0;font-size:10px;font-weight:750}.bank-preview>div button:hover{text-decoration:underline}@media (width<=1000px){.course-admin-grid{grid-template-columns:1fr}.course-queue{grid-template-columns:1fr 1fr;gap:18px;display:grid;position:static}.course-queue .paper{margin:0}}@media (width<=800px){.course-queue{grid-template-columns:1fr}.course-admin .actionbar{position:static}.question-builder fieldset{padding:15px}.topbar nav{display:none}}.preview-login-shell{background:#f4f7f5;grid-template-columns:minmax(0,1.12fr) minmax(440px,.88fr);min-height:100vh;display:grid}.preview-login-brand{color:#fff;isolation:isolate;background:#0d3029;flex-direction:column;min-height:100vh;padding:44px clamp(32px,6vw,96px);display:flex;position:relative;overflow:hidden}.preview-grid{z-index:-2;opacity:.16;background-image:linear-gradient(#78aa9d22 1px,#0000 1px),linear-gradient(90deg,#78aa9d22 1px,#0000 1px);background-size:42px 42px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#0000 8%,#000 38% 88%,#0000);mask-image:linear-gradient(#0000 8%,#000 38% 88%,#0000)}.preview-login-brand:after{content:"";z-index:-1;border:1px solid #d7f56d24;border-radius:50%;width:660px;height:660px;position:absolute;bottom:-335px;right:-260px;box-shadow:0 0 0 72px #ffffff08,0 0 0 144px #ffffff05}.preview-wordmark{flex-direction:column;align-items:flex-start;gap:5px;width:max-content;display:inline-flex}.preview-wordmark>span{letter-spacing:-.055em;font-size:21px;font-weight:850}.preview-wordmark b{font:700 10px var(--font-mono);letter-spacing:.14em;margin-left:7px}.preview-wordmark small{font:700 9px var(--font-mono);letter-spacing:.16em;color:#adcbc3;text-transform:uppercase}.preview-copy{z-index:2;max-width:590px;margin:auto 0 38vh;position:relative}.preview-copy h1{letter-spacing:-.07em;margin:22px 0;font-size:clamp(50px,5.3vw,82px);line-height:.94}.preview-copy>p:last-child{color:#c1d4cf;max-width:520px;font-size:17px;line-height:1.65}.preview-brand-foot{z-index:3;font:650 10px var(--font-mono);letter-spacing:.11em;color:#91aea6;margin:0;position:relative}.preview-login-panel{background:radial-gradient(circle at 70% 16%,#fff 0,#f4f7f5 56%);place-items:center;padding:48px;display:grid;position:relative}.preview-login-card{background:#fff;border:1px solid #d5dfdc;border-radius:14px;width:min(430px,100%);padding:38px;box-shadow:0 24px 70px #10252112}.preview-card-index{color:var(--green);font:750 10px var(--font-mono);letter-spacing:.14em;justify-content:space-between;display:flex}.preview-card-index span{color:#9baaa6}.preview-login-card h2{letter-spacing:-.05em;margin:18px 0 8px;font-size:40px}.preview-login-card form{margin-top:30px}.preview-login-card label{margin:17px 0 7px;font-size:12px;font-weight:700;display:block}.preview-login-card input{background:#fbfdfc;border:1px solid #cbd8d3;border-radius:7px;outline:none;width:100%;padding:13px 14px}.preview-login-card input:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 3px #0e6b5814}.preview-only-note{font:650 9px var(--font-mono);letter-spacing:.12em;color:#96a39f;position:absolute;bottom:22px}.preview-mascot-scene{z-index:1;pointer-events:none;width:min(49vw,570px);height:min(43vw,500px);position:absolute;bottom:26px;right:-5px}.preview-mascot-wrap{filter:drop-shadow(0 28px 30px #061b1766);width:76%;transform:translate(var(--look-x),var(--look-y));transition:transform .16s ease-out;position:absolute;bottom:-12%;right:4%}.preview-mascot-wrap img{width:100%;image-rendering:pixelated;display:block}.preview-eye{width:9px;height:9px;transform:translate(var(--look-x),var(--look-y));background:#d7f56d;border-radius:1px;transition:transform .1s ease-out;position:absolute;box-shadow:0 0 10px #d7f56daa}.preview-eye-left{top:35.7%;left:40.6%}.preview-eye-right{top:35.7%;left:65.8%}.preview-speech{color:#15372f;font:800 9px var(--font-mono);letter-spacing:.08em;background:#d7f56d;border-radius:3px;padding:10px 13px;position:absolute;top:9%;right:9%;box-shadow:4px 4px #061c18}.preview-speech:after{content:"";border-top:8px solid #d7f56d;border-bottom:8px solid #0000;border-left:8px solid #0000;border-right:0;position:absolute;bottom:-8px;right:18px}.preview-cursor-chip{color:#d7f56d;font:750 9px var(--font-mono);letter-spacing:.08em;transform:translate(var(--float-x),var(--float-y));align-items:center;gap:6px;transition:transform .2s ease-out;display:flex;position:absolute;top:45%;left:9%}.preview-cursor-chip span{background:#d7f56d;width:13px;height:13px;animation:1.8s steps(2,end) infinite preview-pulse;box-shadow:0 0 0 3px #d7f56d22,0 0 18px #d7f56d88}.preview-orbit{color:#9bc1b6;font:700 8px var(--font-mono);border:1px solid #9bc1b633;padding:7px;position:absolute}.preview-orbit-one{top:19%;left:18%}.preview-orbit-two{top:42%;right:3%}.preview-status-line{font:700 8px var(--font-mono);letter-spacing:.13em;color:#acc4bd;position:absolute;bottom:6%;left:24%}.preview-status-line span{background:#d7f56d;width:6px;height:6px;margin-right:7px;animation:1.4s steps(2,end) infinite preview-pulse;display:inline-block}@keyframes preview-pulse{50%{opacity:.35}}@media (prefers-reduced-motion:reduce){.preview-mascot-wrap,.preview-eye,.preview-cursor-chip{transition:none}.preview-cursor-chip span,.preview-status-line span{animation:none}}@media (width<=980px){.preview-login-shell{grid-template-columns:1fr}.preview-login-brand{min-height:54vh;padding:28px 32px}.preview-copy{max-width:520px;margin:58px 0 155px}.preview-copy h1{font-size:54px}.preview-mascot-scene{width:400px;height:330px;bottom:-25px;right:-35px}.preview-login-panel{padding:52px 24px 78px}.preview-login-card{padding:30px}.preview-brand-foot{display:none}}@media (width<=560px){.preview-login-brand{min-height:48vh;padding:24px}.preview-copy{margin:45px 0 150px}.preview-copy h1{font-size:42px}.preview-copy>p:last-child{display:none}.preview-mascot-scene{width:330px;height:265px;right:-58px}.preview-speech{padding:8px;font-size:7px}.preview-login-card{border-radius:10px;padding:26px 22px}.preview-login-card h2{font-size:34px}.preview-eye{display:none}.preview-mascot-wrap,.preview-cursor-chip{transform:none!important}}.preview-login-shell .preview-speech{text-align:center;max-width:220px;line-height:1.35}@media (width<=560px){.preview-login-shell .preview-speech{white-space:normal;max-width:170px;top:34%;right:72px}}.preview-mascot-wrap{filter:none;border-radius:50%;width:70%;bottom:-1%;right:2%;overflow:hidden;box-shadow:0 28px 55px #061b1755}.preview-mascot-wrap:after{content:"";border-radius:50%;position:absolute;inset:0;box-shadow:inset 0 0 0 1px #d7f56d20,inset 0 -26px 45px #061b1755}.preview-mascot-wrap{filter:drop-shadow(0 26px 28px #061b1755);box-shadow:none;border-radius:0;overflow:visible}.preview-mascot-wrap:after{display:none}.preview-mascot-wrap img{border-radius:0}.join-login-link{text-align:center;color:var(--green);margin-top:16px;font-size:12px;font-weight:750;display:block}.join-shell{background:#f4f7f5;grid-template-columns:minmax(430px,.85fr) minmax(560px,1.15fr);min-height:100vh;display:grid}.join-intro{color:#fff;background:#0d3029;flex-direction:column;padding:46px clamp(34px,6vw,88px);display:flex;position:relative;overflow:hidden}.join-intro:after{content:"";border:1px solid #d7f56d2b;border-radius:50%;width:520px;height:520px;position:absolute;bottom:-250px;right:-250px;box-shadow:0 0 0 70px #ffffff07,0 0 0 140px #ffffff04}.join-intro>div{z-index:1;margin:auto 0;position:relative}.join-intro h1{letter-spacing:-.065em;margin:22px 0;font-size:clamp(52px,5vw,78px);line-height:.94}.join-intro>div>p:last-child{color:#c1d4cf;max-width:480px;font-size:16px;line-height:1.65}.join-steps{z-index:1;gap:24px;margin:0;padding:0;list-style:none;display:flex;position:relative}.join-steps li{color:#a9c0ba;font:650 10px var(--font-mono);letter-spacing:.05em;align-items:center;gap:9px;display:flex}.join-steps strong{color:var(--lime)}.join-panel{background:radial-gradient(circle at 70% 12%,#fff 0,#f4f7f5 58%);place-items:center;padding:48px;display:grid}.join-card{background:#fff;border:1px solid #d5dfdc;border-radius:14px;width:min(600px,100%);padding:38px 42px;box-shadow:0 24px 70px #10252112}.join-card h2{letter-spacing:-.045em;margin:18px 0 8px;font-size:36px}.join-form{margin-top:25px}.join-form label{margin:16px 0;font-size:12px;font-weight:750;display:block}.join-form input,.join-form select{width:100%;color:var(--ink);background:#fbfdfc;border:1px solid #cbd8d3;border-radius:7px;outline:none;margin-top:7px;padding:12px 13px;display:block}.join-form input:focus,.join-form select:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 3px #0e6b5814}.join-form label small{color:#81908c;margin-top:6px;font-weight:450;display:block}.join-form-row{grid-template-columns:.7fr 1.3fr;gap:14px;display:grid}.join-confirm{border:1px solid var(--line);background:#f5f8f6;border-radius:7px;grid-template-columns:auto 1fr;align-items:start;gap:10px;padding:13px;line-height:1.45;font-weight:550!important;display:grid!important}.join-confirm input{width:auto;accent-color:var(--green);margin:2px 0 0}.join-trap{width:1px!important;height:1px!important;position:absolute!important;left:-10000px!important}.join-privacy{color:#87938f;text-align:center;max-width:440px;margin:16px auto 0;font-size:10px;line-height:1.5}.join-back{color:var(--green);text-align:center;margin-top:13px;font-size:11px;font-weight:750;display:block}.join-success{text-align:center;padding:38px 16px 25px}.join-success>span{color:#17604e;background:#dcefe7;border-radius:50%;place-items:center;width:50px;height:50px;margin:0 auto 18px;font-size:24px;font-weight:800;display:grid}.join-success h3{margin:0 0 10px;font-size:25px}.join-success p{color:var(--muted);font-size:13px;line-height:1.6}.member-queue{padding:0;overflow:hidden}.member-request{border-bottom:1px solid var(--line);grid-template-columns:minmax(210px,1.1fr) minmax(310px,1fr) auto;align-items:center;gap:24px;padding:22px 26px;display:grid}.member-request:last-child{border-bottom:0}.member-request-main h2{margin:7px 0 2px;font-size:18px}.member-request-main p{color:var(--muted);margin:0;font-size:12px}.member-state{font:750 9px var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:#83510f;background:#fff0d9;border-radius:4px;padding:5px 7px;display:inline-flex}.member-state.state-approved{color:#21614f;background:#dcefe7}.member-state.state-declined{color:#844d45;background:#f1e6e3}.member-request dl{grid-template-columns:repeat(3,1fr);gap:16px;margin:0;display:grid}.member-request dl div{flex-direction:column;gap:4px;display:flex}.member-request dt{font:700 9px var(--font-mono);text-transform:uppercase;color:#8a9692}.member-request dd{margin:0;font-size:12px}.member-actions{gap:8px;display:flex}.member-actions .button{white-space:nowrap;font-size:11px}.member-reviewed{color:var(--muted);font-size:11px}@media (width<=980px){.join-shell{grid-template-columns:1fr}.join-intro{min-height:440px;padding:30px}.join-intro>div{margin:60px 0}.join-intro h1{font-size:54px}.join-panel{padding:42px 24px 65px}.join-steps{flex-wrap:wrap}.member-request{grid-template-columns:1fr 1fr}.member-actions,.member-reviewed{grid-column:1/-1}.member-actions .button{flex:1}}@media (width<=560px){.join-intro{min-height:390px;padding:24px}.join-intro>div{margin:48px 0 35px}.join-intro h1{font-size:43px}.join-intro>div>p:last-child{font-size:14px}.join-steps{gap:9px;display:grid}.join-card{padding:28px 22px}.join-card h2{font-size:31px}.join-form-row{grid-template-columns:1fr}.member-request{grid-template-columns:1fr;padding:20px}.member-request dl{grid-template-columns:repeat(3,1fr)}.member-actions{grid-column:auto}}.join-shell{width:100%;overflow-x:hidden}.join-intro,.join-panel,.join-card{min-width:0}@media (width<=560px){.join-panel{width:100%;padding:42px 16px 60px}.join-card{width:100%}.join-form-row{grid-template-columns:minmax(0,1fr)}}.guide-page{max-width:900px}.guide-hero{background:var(--navy);color:#fff;border-radius:12px;margin-bottom:20px;padding:42px 46px}.guide-hero h1{letter-spacing:-.05em;margin:15px 0 10px;font-size:44px}.guide-hero>p:last-child{color:#c2d2ce;max-width:650px;line-height:1.65}.guide-section{grid-template-columns:62px 1fr;gap:22px;padding:30px 34px;display:grid}.guide-number{font:800 22px var(--font-mono);color:var(--green);padding-top:9px}.guide-section h2{margin:8px 0 16px;font-size:25px}.guide-section p,.guide-section li{color:#53645f;font-size:14px;line-height:1.7}.guide-section li+li{margin-top:7px}.guide-section strong{color:var(--ink)}.guide-table-wrap{border:1px solid var(--line);border-radius:7px;margin:18px 0;overflow-x:auto}.guide-section table{border-collapse:collapse;width:100%;min-width:560px}.guide-section th,.guide-section td{text-align:left;border-bottom:1px solid var(--line);padding:12px 14px;font-size:13px}.guide-section th{font:750 10px var(--font-mono);letter-spacing:.08em;text-transform:uppercase;background:#f1f6f3}.guide-section th:last-child,.guide-section td:last-child{text-align:right;color:var(--green);white-space:nowrap;font-weight:800}.guide-section tbody tr:last-child td{border-bottom:0}.guide-help{border-left:4px solid var(--green);background:#eaf3ef;border-radius:0 8px 8px 0;margin:24px 0;padding:20px 24px}.guide-help p{color:#53645f;margin:7px 0 0;font-size:14px;line-height:1.6}@media (width<=600px){.guide-hero{padding:30px 24px}.guide-hero h1{font-size:34px}.guide-section{grid-template-columns:minmax(0,1fr);gap:5px;padding:24px 20px}.guide-section>div{min-width:0}.guide-table-wrap{width:100%;max-width:100%}.guide-number{padding:0;font-size:14px}.guide-section ol,.guide-section ul{padding-left:22px}}.week-card.is-locked{background:#f5f7f6}.week-card.is-locked .week-art{filter:grayscale(.55);opacity:.62}.week-card.is-locked .week-body h3,.week-card.is-locked .week-body>p{color:#7b8884}.status.locked-status{color:#64716d;background:#e7ece9}.week-card.is-locked .card-actions span{color:#87938f;font-size:11px;font-weight:700}.locked-lesson-page{max-width:720px}.locked-lesson-card{text-align:center;padding:58px 48px}.lock-mark{margin-bottom:15px;font-size:38px;display:block}.locked-lesson-card h1{letter-spacing:-.05em;margin:12px 0;font-size:40px}.locked-lesson-card>p:not(.eyebrow){color:var(--muted);line-height:1.65}.unlock-rule{text-align:left;background:#eef5f1;border:1px solid #d3e2db;border-radius:8px;gap:6px;margin:24px 0;padding:17px 19px;display:grid}.unlock-rule strong{color:var(--green)}.unlock-rule span{color:#53645f;font-size:13px;line-height:1.55}.release-admin{max-width:1100px}.release-list{gap:14px;margin-top:18px;display:grid}.release-row{grid-template-columns:minmax(210px,1.4fr) 1fr 1.35fr auto 100px auto;align-items:end;gap:14px;padding:20px;display:grid}.release-title{align-items:center;gap:13px;display:flex}.release-title>span{font:800 24px var(--font-mono);color:var(--green)}.release-title div{gap:3px;display:grid}.release-title small{color:var(--muted);font-size:10px}.release-row label{color:#66736f;text-transform:uppercase;letter-spacing:.04em;gap:6px;font-size:10px;font-weight:750;display:grid}.release-row select,.release-row input[type=datetime-local],.release-row input[type=number]{border:1px solid var(--line);min-width:0;font:inherit;color:var(--ink);background:#fff;border-radius:6px;padding:10px}.release-row .release-check{white-space:nowrap;flex-direction:row;align-items:center;gap:7px;padding-bottom:11px;display:flex}.release-row .release-check input{accent-color:var(--green)}@media (width<=950px){.release-row{grid-template-columns:1fr 1fr}.release-title{grid-column:1/-1}.release-row .button{justify-self:start}.locked-lesson-card{padding:38px 24px}}.review-section-title{margin:42px 0 16px}.review-section-title h2{margin:8px 0 0;font-size:24px}.practice-feedback.is-review{color:#3d5d73;background:#eaf0f6}.learn-menu{align-self:stretch;align-items:center;display:flex;position:relative}.learn-menu summary{cursor:pointer;color:#65736f;align-items:center;height:100%;padding-right:14px;font-size:13px;font-weight:650;list-style:none;display:flex;position:relative}.learn-menu summary::-webkit-details-marker{display:none}.learn-menu summary:after{content:"⌄";font-size:11px;position:absolute;top:50%;right:0;transform:translateY(-54%)}.learn-menu.active summary{color:var(--ink)}.learn-menu.active>summary:before{content:"";background:var(--green);height:2px;position:absolute;bottom:0;left:0;right:0}.learn-menu-panel{border:1px solid var(--line);z-index:30;background:#fff;border-radius:0 0 9px 9px;width:310px;padding:8px;display:grid;position:absolute;top:calc(100% + 1px);left:-16px;box-shadow:0 16px 38px #153c3220}.learn-menu-panel a{border-radius:6px;gap:3px;padding:11px 12px;color:var(--ink)!important;align-items:start!important;display:grid!important}.learn-menu-panel a:hover{background:#eef5f1}.learn-menu-panel strong{color:var(--green);font-size:12px}.learn-menu-panel small{color:var(--muted);font-size:10px;font-weight:500}.stage-jump{border:1px solid var(--line);background:#fff;border-radius:9px;align-items:center;gap:10px;margin-top:28px;padding:12px;display:flex}.stage-jump>span{font:750 9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:#81908c;padding:0 6px}.stage-jump a{border:1px solid var(--line);color:#60706c;border-radius:6px;align-items:center;gap:7px;padding:10px 13px;font-size:11px;display:flex}.stage-jump a:hover{color:var(--ink);background:#eef5f1;border-color:#9fc4b9}.stage-jump strong{font:800 10px var(--font-mono);color:var(--green)}.curriculum-stage{padding-top:1px;scroll-margin-top:94px}.curriculum-stage+.curriculum-stage{border-top:1px solid #cddbd6;margin-top:40px;padding-top:40px}.stage-heading{align-items:center}.stage-heading>div>p:last-child{color:var(--muted);margin:7px 0 0;font-size:12px}.stage-heading>span{font:750 10px var(--font-mono);letter-spacing:.08em;color:var(--green);border:1px solid #bcd4cc;border-radius:20px;padding:8px 12px}.curriculum-stage#aio-si2 .stage-heading{background:#eaf2f7;border-left:4px solid #688eaa;border-radius:0 9px 9px 0;margin-bottom:22px;padding:22px 24px}.curriculum-stage#aio-si2 .stage-heading .eyebrow{color:#426d8c}@media (width<=800px){.welcome .path-stat{display:none}.stage-jump{align-items:stretch;width:100%;max-width:100%;overflow-x:auto}.stage-jump>span{display:none}.stage-jump a{flex-direction:column;align-items:flex-start;min-width:190px}.stage-heading{align-items:flex-end}.stage-heading>div>p:last-child{text-align:left;max-width:none}.curriculum-stage+.curriculum-stage{margin-top:28px;padding-top:28px}.curriculum-stage#aio-si2 .stage-heading{padding:18px}}.colab-workflow{background:#f2f6ff;border:1px solid #c7d9ff;border-radius:8px;align-items:center;gap:14px;margin:18px 0 14px;padding:14px 16px;display:flex}.colab-workflow p{color:#52645f;margin:0;font-size:11px;line-height:1.5}.colab-button{color:#1c2a27;background:#f5a623;flex-shrink:0;font-size:11px}.colab-button:hover{background:#e99913}.colab-checklist{border:1px solid var(--line);background:#f8faf9;border-radius:8px;gap:9px;margin:12px 0;padding:14px 16px;display:grid}.colab-checklist legend{padding:0 6px;font-size:11px;font-weight:800}.colab-checklist label{color:#435650;align-items:flex-start;gap:9px;font-size:12px;line-height:1.4;display:flex}.colab-checklist input{accent-color:var(--green);margin-top:2px}.field-error{color:#a3483c!important;margin:7px 0!important;font-size:11px!important}.review-colab-button{margin:12px 0}.review-controls>div{flex-wrap:wrap;gap:8px;display:flex}@media (width<=600px){.colab-workflow{flex-direction:column;align-items:stretch}.colab-button{width:100%}}.announcement-card{grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr)}.announcement-dates{background:#185143;grid-template-columns:1fr 1fr;align-content:center;gap:22px;padding:35px;display:grid}.announcement-dates>div{border-left:2px solid var(--lime);flex-direction:column;padding-left:18px;display:flex}.announcement-dates small{font:700 9px var(--font-mono);letter-spacing:.12em;color:#9ebbb3}.announcement-dates strong{letter-spacing:-.04em;margin:7px 0 1px;font-size:31px}.announcement-dates span{color:#c1d3ce;font-size:10px}.announcement-dates>p{color:#89a9a0;font:700 9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;grid-column:1/-1;margin:2px 0 0}@media (width<=800px){.announcement-card{grid-template-columns:1fr}.announcement-dates{grid-template-columns:1fr 1fr;padding:24px}.announcement-card .focus-copy{padding-bottom:25px}}@media (width<=480px){.announcement-dates{grid-template-columns:1fr}.announcement-dates>p{grid-column:auto}}.topbar{background:var(--surface);border-color:var(--line)}.topbar nav a,.learn-menu summary{color:var(--muted)}.topbar nav a.active,.learn-menu.active summary{color:var(--ink)}.account-menu-panel,.learn-menu-panel,.stage-jump,.paper,.side-card,.week-card,.profile-card,.leaderboard-card{background:var(--surface);border-color:var(--line)}.account-menu summary:hover,.account-menu[open] summary,.account-menu-panel a:hover,.account-menu-panel button:hover,.learn-menu-panel a:hover{background:var(--soft)}.account-menu-panel a,.account-menu-panel button,.learn-menu-panel a{color:var(--ink)!important}.theme-picker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:4px;margin:4px 0;padding:9px 4px;display:grid}.theme-picker>span{font:700 9px var(--font-mono);letter-spacing:.09em;color:var(--muted);text-transform:uppercase;grid-column:1/-1;padding:0 7px 4px}.theme-picker button{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:0 0;border-radius:4px;padding:6px 3px;font-size:9px}.theme-picker button.selected{background:var(--green);border-color:var(--green);color:var(--bg)}.portal-hero{grid-template-columns:minmax(390px,1.08fr) minmax(250px,.72fr) minmax(142px,.28fr);align-items:center;gap:16px;min-height:0;padding:10px 28px 0;display:grid;position:relative;overflow:hidden}.portal-hero:before,.portal-hero:after,.competition-strip:before,.week-status:before,.pathway-strip:before,.curriculum-stage:before{content:"";background:linear-gradient(90deg,var(--lime) 4px,transparent 4px) 0 0/8px 8px;opacity:.95;pointer-events:none;width:18px;height:18px;position:absolute}.portal-hero:before{top:0;left:0}.portal-hero:after{top:0;right:0;transform:scaleX(-1)}.portal-hero-copy{min-width:0}.portal-hero-copy h1{font:800 clamp(44px,4.2vw,64px)/.98 var(--font-mono);letter-spacing:-.06em;color:var(--green);overflow-wrap:normal;margin:20px 0}.portal-hero-copy>p:not(.eyebrow){max-width:470px;color:var(--muted);font-size:16px;line-height:1.65}.portal-hero-actions{flex-wrap:wrap;gap:12px;margin-top:25px;display:flex}.portal-hero-actions .ghost{border-color:var(--green);color:var(--green);background:0 0}.portal-mascot{align-self:end;place-items:end center;min-width:0;display:grid;transform:translate(-62px)}.portal-mascot img{filter:drop-shadow(0 16px 12px #153c3220);width:min(118%,430px);height:auto;display:block}.portal-path{height:350px;color:var(--green);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding-right:62px;display:flex;position:relative;transform:translate(-80px)}.portal-path span{background:var(--surface);border:1px solid #b7cf7b;border-radius:50%;place-items:center;width:64px;height:64px;display:grid;position:relative}.portal-path svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:28px;height:28px}.portal-path b{font:650 11px var(--font-sans);color:var(--ink);white-space:nowrap;position:absolute;top:50%;left:76px;transform:translateY(-50%)}.portal-path i{border-left:1px dashed var(--green);width:1px;height:22px;display:block;position:relative}.portal-path i:before{content:"";border-left:1.5px solid var(--green);border-top:1.5px solid var(--green);width:7px;height:7px;position:absolute;top:-1px;left:-4px;transform:rotate(45deg)}.portal-path .path-finish:before{content:"";border-top:1px dashed var(--green);width:47px;position:absolute;top:50%;right:64px}.portal-path .path-finish:after{content:"";border-right:1.5px solid var(--green);border-top:1.5px solid var(--green);width:7px;height:7px;position:absolute;top:calc(50% - 4px);right:107px;transform:rotate(45deg)}.portal-path em{color:#f2bd22;font-size:24px;font-style:normal;position:absolute;bottom:7px;right:1px}.portal-path em:before{content:"";border-right:1px dashed var(--green);border-bottom:1px dashed var(--green);border-radius:0 0 28px;width:38px;height:26px;position:absolute;bottom:10px;right:17px}.competition-strip,.week-status,.pathway-strip,.curriculum-stage{border:1px solid var(--line);background:var(--surface);border-radius:12px;position:relative}.competition-strip{grid-template-columns:minmax(0,1fr) 280px;gap:24px;margin-top:5px;padding:20px 24px;display:grid}.competition-strip:before,.week-status:before,.pathway-strip:before,.curriculum-stage:before{top:10px;left:10px}.competition-main{padding:2px 8px}.event-title{font:750 14px var(--font-mono);letter-spacing:.04em;color:var(--ink);margin:0 0 12px}.event-title span{color:var(--green);margin-right:8px}.competition-main>small{font:650 9px var(--font-mono);color:var(--muted);letter-spacing:.08em}.competition-countdown{grid-template-columns:repeat(4,1fr);margin-top:14px;display:grid}.competition-countdown div{border-left:1px dashed var(--line);flex-direction:column;align-items:center;display:flex}.competition-countdown div:first-child{border-left:0}.competition-countdown strong{font:800 clamp(42px,4.8vw,66px)/.92 var(--font-mono),monospace;font-variant-numeric:tabular-nums;letter-spacing:-.06em;color:var(--green);-webkit-text-stroke:.35px currentColor;text-shadow:1px 0,0 1px}.competition-countdown span{font:700 10px var(--font-mono);text-transform:uppercase;color:var(--muted);letter-spacing:.12em;margin-top:9px}.meeting-card{border:1px solid var(--line);background:var(--soft);border-radius:10px;flex-direction:column;justify-content:center;padding:18px 20px;display:flex}.meeting-card strong{letter-spacing:-.035em;font-size:26px;line-height:1.25}.meeting-card>span{color:var(--muted);margin-top:8px;font-size:12px}.meeting-card>a{color:var(--green);border-top:1px solid var(--line);margin-top:11px;padding-top:11px;font-size:11px;font-weight:750}.week-status{margin-top:22px;padding:30px}.week-status-grid{grid-template-columns:repeat(4,1fr);display:grid}.week-status-grid>div{border-left:1px dashed var(--line);grid-template-rows:auto auto;grid-template-columns:48px 1fr;align-items:center;padding:6px 25px;display:grid}.week-status-grid>div:first-child{border-left:0}.week-status-grid>div>span{font:30px var(--font-mono);color:var(--green);grid-row:1/3}.week-status-grid small{color:var(--muted);font-size:10px}.week-status-grid strong{margin-top:3px;font-size:17px}.pathway-strip{grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;margin-top:22px;padding:28px 40px;display:grid}.pathway-strip>div{text-align:center;justify-items:center;display:grid}.pathway-strip>div>span{font:34px var(--font-mono);color:var(--green)}.pathway-strip strong{margin:8px 0;font-size:19px}.pathway-strip small{color:var(--muted);max-width:170px;font-size:10px;line-height:1.45}.pathway-strip>i{font:25px var(--font-mono);color:var(--green);font-style:normal}.pathway-footer{margin-top:30px}.stage-jump{background:0 0;border:0;justify-content:flex-end;margin-top:38px;padding:0}.curriculum-stage{margin-top:16px;padding:28px;scroll-margin-top:92px}.curriculum-stage+.curriculum-stage{border:1px solid var(--line);margin-top:30px;padding:28px}.curriculum-stage .section-heading{margin:0 0 23px}.curriculum-stage#aio-si2 .stage-heading{background:var(--soft);border-left-color:var(--green);margin-bottom:22px}.lesson-grid{gap:12px}.week-card{box-shadow:none}.week-card:hover{box-shadow:0 14px 30px var(--shadow)}.week-art.compact{border-bottom:1px solid var(--line);background:0 0;height:78px;padding:19px 16px 10px}.week-art.compact>span{font:750 42px/.8 var(--font-mono);letter-spacing:-.08em;color:var(--green)}.week-art.compact small{color:var(--ink);font-size:9px}.week-body{padding:16px}.week-body h3{margin:13px 0 7px;font-size:16px}.week-body>p{min-height:68px;font-size:11px}.week-meta{font-size:9px}.tags{gap:4px;margin:13px 0}.tags span{background:var(--soft);border:0;border-radius:4px;padding:5px 7px;font-size:9px}.card-actions{border-top:1px solid var(--line);padding-top:12px}.card-actions a,.card-actions span{font-size:10px}.card-actions a+a{border-left:1px solid var(--line);margin-left:8px;padding-left:10px}html[data-theme=dark] .brand:before{opacity:.18;filter:grayscale()invert()contrast(2);mix-blend-mode:screen}html[data-theme=dark] .primary{color:#06261c}html[data-theme=dark] .ghost,html[data-theme=dark] input,html[data-theme=dark] textarea,html[data-theme=dark] select{background:var(--surface);color:var(--ink)}html[data-theme=dark] .portal-mascot img{filter:drop-shadow(0 18px 15px #0008)}html[data-theme=dark] .status.in-progress{color:#e8f69c;background:#3f4a18}html[data-theme=dark] .status{color:#acc1b3;background:#153e31}html[data-theme=dark] .week-card.is-locked{background:#18483a;border-color:#3b6a54}html[data-theme=dark] .week-card.is-locked .week-art{filter:none;opacity:.82}html[data-theme=dark] .week-card.is-locked .week-body h3,html[data-theme=dark] .week-card.is-locked .week-body>p{color:#b7c7c0}html[data-theme=dark] .week-card.is-locked .card-actions span{color:#a1b4ac}html[data-theme=dark] .status.locked-status{color:#c5d4ce;background:#205442}.preview-login-panel{background:radial-gradient(circle at 68% 16%,#f4f8f3 0,#e5eee8 58%,#d9e7df 100%)}.preview-login-card{background:#f9fcf8;border-color:#c7d7ce;box-shadow:0 24px 70px #0d30291f}html[data-theme=dark] .preview-login-shell{background:#031f18}html[data-theme=dark] .preview-login-panel{background:radial-gradient(circle at 68% 16%,#123d31 0,#082f23 58%,#05271e 100%)}html[data-theme=dark] .preview-login-card{background:#0b382a;border-color:#3b6a54;box-shadow:0 24px 70px #0008}html[data-theme=dark] .preview-login-card input{color:#eff7e4;background:#082f23;border-color:#4a745f}html[data-theme=dark] .preview-login-card input::placeholder{color:#819b90}html[data-theme=dark] .preview-card-index span,html[data-theme=dark] .preview-only-note{color:#9eb4aa}html[data-theme=dark] .guide-section p,html[data-theme=dark] .guide-section li,html[data-theme=dark] .guide-help p{color:#b7c7c0}html[data-theme=dark] .guide-table-wrap{border-color:#47715e}html[data-theme=dark] .guide-section th{color:#eff7e4;background:#17483a}html[data-theme=dark] .guide-section td{color:#e6f0e8;background:#0b382a}html[data-theme=dark] .guide-help{color:#eff7e4;background:#123d31;border-color:#bce84a}html[data-theme=dark] .editor input,html[data-theme=dark] .editor textarea,html[data-theme=dark] .editor select,html[data-theme=dark] .bank-capture input,html[data-theme=dark] .bank-capture textarea,html[data-theme=dark] .bank-capture select,html[data-theme=dark] .bank-search input,html[data-theme=dark] .release-row select,html[data-theme=dark] .release-row input[type=datetime-local],html[data-theme=dark] .release-row input[type=number],html[data-theme=dark] .review-controls textarea,html[data-theme=dark] .homework-answer,html[data-theme=dark] .practice-short-answer,html[data-theme=dark] .practice-long-answer{color:#eff7e4;background:#0b3026;border-color:#4a745f}html[data-theme=dark] :is(.editor input,.editor textarea,.bank-capture input,.bank-capture textarea,.bank-search input,.release-row input,.review-controls textarea,.homework-answer,.practice-short-answer,.practice-long-answer)::placeholder{color:#819b90;opacity:1}html[data-theme=dark] :is(.editor input,.editor textarea,.editor select,.bank-capture input,.bank-capture textarea,.bank-capture select,.bank-search input,.release-row select,.release-row input,.review-controls textarea,.homework-answer,.practice-short-answer,.practice-long-answer):focus{background:#103a2e;border-color:#bce84a;box-shadow:0 0 0 3px #bce84a22}html[data-theme=dark] .question-builder fieldset,html[data-theme=dark] .course-list article,html[data-theme=dark] .actionbar{background:#123d31;border-color:#47715e}html[data-theme=dark] .course-list article strong,html[data-theme=dark] .question-builder label,html[data-theme=dark] .bank-capture label,html[data-theme=dark] .bank-search{color:#eff7e4}html[data-theme=dark] .course-state{color:#d9e6df;background:#205442}html[data-theme=dark] .release-row label{color:#b0c2b9}html[data-theme=dark] .release-row{background:#0b382a;border-color:#3b6a54}html[data-theme=dark] .homework-status{background:#123d31;border-color:#47715e}html[data-theme=dark] .homework-meter{background:#234e40}html[data-theme=dark] .question-prompt{color:#c4d3cc!important}html[data-theme=dark] .homework-answer:disabled,html[data-theme=dark] .practice-short-answer:disabled,html[data-theme=dark] .practice-long-answer:disabled{color:#aabdb4;background:#153e31}html[data-theme=dark] .review-submission>header,html[data-theme=dark] .review-answer pre{color:#eff7e4;background:#123d31;border-color:#47715e}html[data-theme=dark] .review-readonly{color:#d7f3e6;background:#17483a}html[data-theme=dark] .review-readonly p{color:#bdd0c6}html[data-theme=dark] .answer-ungraded{color:#d9e6df;background:#205442}@media (width<=1100px){.portal-hero{grid-template-columns:minmax(0,1fr) 300px}.portal-path{display:none}.portal-mascot{transform:translate(-35px)}.portal-hero-copy h1{font-size:clamp(43px,5.5vw,55px)}.competition-strip{grid-template-columns:1fr 240px}.week-status-grid>div{padding:6px 14px}.week-status-grid>div>span{font-size:24px}}@media (width<=800px){.content{width:calc(100% - 24px);padding-top:18px}.portal-hero{grid-template-columns:1fr;min-height:0;padding:30px 18px}.portal-hero-copy h1{font-size:42px}.portal-mascot{grid-row:1;max-width:250px;margin:0 auto;transform:none}.portal-hero-copy{grid-row:2}.portal-hero-actions{grid-template-columns:1fr;display:grid}.portal-hero-actions .button{width:100%}.competition-strip{grid-template-columns:1fr;gap:18px;padding:18px}.competition-main{padding:5px 0}.competition-countdown strong{font-size:35px}.competition-countdown span{font-size:8px}.meeting-card{padding:19px}.week-status{padding:22px 16px}.week-status-grid{grid-template-columns:1fr 1fr}.week-status-grid>div{border-left:0;border-top:1px dashed var(--line);padding:15px 8px}.week-status-grid>div:nth-child(-n+2){border-top:0}.pathway-strip{gap:7px;padding:22px 12px}.pathway-strip>i{font-size:16px}.pathway-strip small{display:none}.curriculum-stage,.curriculum-stage+.curriculum-stage{padding:18px 14px}.stage-jump{justify-content:flex-start}.lesson-grid{grid-template-columns:1fr}.week-body>p{min-height:0}.topbar .brand{font-size:18px}}@media (width<=480px){.competition-countdown{grid-template-columns:repeat(2,1fr);gap:18px 0}.competition-countdown div:nth-child(3){border-left:0}.week-status-grid{grid-template-columns:1fr}.week-status-grid>div:nth-child(2){border-top:1px dashed var(--line)}.pathway-strip>i{display:none}.pathway-strip{grid-template-columns:repeat(3,1fr)}.pathway-strip strong,.portal-hero-copy>p:not(.eyebrow){font-size:14px}.theme-picker{grid-template-columns:repeat(2,1fr)}}.form-row a{align-items:center;min-height:36px;display:inline-flex}.past-papers-hero{border:1px solid var(--line);background:var(--surface);border-radius:12px;grid-template-columns:minmax(0,1fr) 190px;align-items:center;gap:28px;min-height:270px;padding:44px;display:grid;position:relative;overflow:hidden}.past-papers-hero:before{content:"";background:linear-gradient(90deg,var(--lime) 4px,transparent 4px) 0 0/8px 8px;width:18px;height:18px;position:absolute;top:10px;left:10px}.past-papers-hero h1{font:800 clamp(40px,5vw,64px)/1 var(--font-mono);letter-spacing:-.06em;color:var(--green);margin:18px 0}.past-papers-hero>div:first-child>p:last-child{max-width:650px;color:var(--muted);line-height:1.65}.past-paper-mark{border:1px solid var(--line);width:170px;height:170px;color:var(--green);background:var(--soft);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;display:flex}.past-paper-mark span{font:800 64px/.9 var(--font-mono);letter-spacing:-.08em}.past-paper-mark small{font:750 9px var(--font-mono);letter-spacing:.15em;margin-top:9px}.paper-mode-note{border:1px solid var(--line);background:var(--surface);border-radius:12px;grid-template-columns:1fr auto 1fr;align-items:center;margin-top:22px;padding:25px 32px;display:grid}.paper-mode-note>div{grid-template-rows:auto auto;grid-template-columns:42px 1fr;align-items:center;display:grid}.paper-mode-note span{font:30px var(--font-mono);color:var(--green);grid-row:1/3}.paper-mode-note strong{font-size:15px}.paper-mode-note small{color:var(--muted);margin-top:4px;font-size:11px}.paper-mode-note i{color:var(--green);padding:0 28px;font-size:24px;font-style:normal}.past-paper-heading{margin-top:48px}.past-paper-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.past-paper-card{border:1px solid var(--line);background:var(--surface);border-radius:10px;overflow:hidden}.past-paper-card>header{border-bottom:1px solid var(--line);background:var(--soft);justify-content:space-between;align-items:end;height:92px;padding:19px 22px;display:flex}.past-paper-card>header span{font:800 45px/.8 var(--font-mono);letter-spacing:-.08em;color:var(--green)}.past-paper-card>header small{font:750 9px var(--font-mono);letter-spacing:.1em}.past-paper-card>div{padding:24px}.past-paper-card h2{letter-spacing:-.035em;margin:13px 0 8px;font-size:22px}.past-paper-card>div>p:not(.eyebrow){color:var(--muted);min-height:42px;font-size:13px;line-height:1.6}.past-paper-status{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:20px;padding-top:16px;display:flex}.past-paper-status span{font:750 10px var(--font-mono);background:var(--soft);border-radius:4px;padding:6px 9px}.past-paper-status small{color:var(--muted);font-size:10px}.past-paper-source{margin-top:18px}@media (width<=800px){.past-papers-hero{grid-template-columns:1fr;padding:30px 24px}.past-paper-mark{display:none}.paper-mode-note{grid-template-columns:1fr;gap:18px;padding:20px}.paper-mode-note i{display:none}.past-paper-grid{grid-template-columns:1fr}.past-paper-heading{align-items:start}.past-paper-heading>p{text-align:right;max-width:170px}}.past-paper-preview-link{color:var(--green);margin-top:16px;font-size:11px;font-weight:750;display:inline-block}.past-exam-hero{background:var(--navy);color:#fff;border-radius:12px;justify-content:space-between;align-items:center;padding:42px 46px;display:flex}.past-exam-hero h1{font:800 clamp(42px,6vw,70px)/1 var(--font-mono);letter-spacing:-.06em;margin:16px 0}.past-exam-hero>div:first-child>p:last-child{color:#bed0ca;max-width:700px;line-height:1.6}.past-exam-hero>div:last-child{color:var(--lime);flex-direction:column;align-items:center;display:flex}.past-exam-hero>div:last-child span{font:800 72px/.8 var(--font-mono)}.past-exam-hero>div:last-child small{font:750 9px var(--font-mono);letter-spacing:.14em;margin-top:12px}.conversion-warning{color:#55460c;background:#fff7d5;border:1px solid #dbc56c;border-radius:8px;align-items:center;gap:18px;margin:18px 0;padding:15px 18px;display:flex}.conversion-warning strong{white-space:nowrap}.conversion-warning span{font-size:12px;line-height:1.5}.past-paper-progress{background:var(--surface);border:1px solid var(--line);border-radius:10px;grid-template-columns:auto minmax(180px,1fr) auto;align-items:center;gap:20px;margin-top:22px;padding:20px 24px;display:grid}.past-paper-progress>div:not(.past-paper-meter){flex-direction:column;display:flex}.past-paper-progress small{color:var(--muted);font-size:10px}.past-paper-progress strong{margin-top:4px;font-size:14px}.past-paper-meter{background:var(--soft);border-radius:10px;height:7px;overflow:hidden}.past-paper-meter i{background:var(--green);height:100%;display:block}.problem-tabs{grid-template-columns:repeat(3,1fr);gap:10px;margin:28px 0 18px;display:grid}.problem-tabs button{border:1px solid var(--line);background:var(--surface);color:var(--ink);text-align:left;cursor:pointer;border-radius:8px;padding:15px 18px;font-weight:750}.problem-tabs button small{color:var(--muted);margin-top:4px;font-size:9px;display:block}.problem-tabs button.active{border-color:var(--green);background:var(--soft);box-shadow:inset 0 -3px var(--green)}.past-paper-part{margin-bottom:16px;padding:36px}.past-part-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:18px;display:flex}.past-part-heading h2{margin:7px 0 0}.past-part-heading>span{font:700 9px var(--font-mono);letter-spacing:.07em;text-transform:uppercase;background:var(--soft);border-radius:4px;padding:7px 9px}.official-problem-content{color:var(--ink);font-size:14px;line-height:1.7;overflow-x:auto}.official-problem-content h1{font-size:24px}.official-problem-content h2{margin:22px 0 12px;font-size:19px}.official-problem-content p{line-height:1.7}.official-problem-content li{margin:7px 0}.official-problem-content pre{color:#edf6f2;font:12px/1.65 var(--font-mono);background:#0d2a23;border-radius:7px;padding:20px;overflow-x:auto}.official-problem-content code:not(pre code){background:var(--soft);font:12px var(--font-mono);border-radius:3px;padding:2px 5px}.official-problem-content .katex-display{padding:7px 0;overflow:auto hidden}.past-answer-label{border-top:1px solid var(--line);margin-top:26px;padding-top:24px;font-size:12px;font-weight:750;display:block}.past-answer{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--ink);resize:vertical;border-radius:7px;margin-top:9px;padding:15px;line-height:1.6}.past-answer:focus{border-color:var(--green);outline:2px solid #0b6e5b33}.past-answer.code-answer{font:12px/1.65 var(--font-mono)}.past-answer-actions{justify-content:space-between;align-items:center;margin-top:12px;display:flex}.past-answer-actions small{color:var(--muted);font-size:10px}.past-answer-actions button:disabled{opacity:.45;cursor:not-allowed}.official-solution{border-left:3px solid var(--green);background:var(--soft);margin-top:20px;padding:22px}.official-solution>.eyebrow{margin-top:0}html[data-theme=dark] .conversion-warning{color:#f7e8a2;background:#453b12;border-color:#8f7b28}html[data-theme=dark] .official-problem-content pre{background:#031a14}html[data-theme=dark] .past-answer{background:#0b3026;border-color:#4a745f}@media (width<=800px){.past-exam-hero{padding:30px 24px}.past-exam-hero>div:last-child{display:none}.conversion-warning{flex-direction:column;align-items:flex-start;gap:6px}.past-paper-progress,.problem-tabs{grid-template-columns:1fr}.past-paper-part{padding:24px 18px}.past-part-heading{align-items:flex-start}.past-part-heading>span{text-align:right;max-width:140px}.past-answer-actions{flex-direction:column;align-items:stretch;gap:10px}.past-answer-actions button{width:100%}}.problem-tabs-nine{grid-template-columns:repeat(3,1fr)}.paper-question-viewer{padding-bottom:30px}.official-page-stack{gap:18px;max-width:900px;margin:0 auto;display:grid}.official-page-stack img{border:1px solid var(--line);width:100%;height:auto;box-shadow:0 12px 35px var(--shadow);background:#fff;display:block}.question-only-responses{border-top:1px solid var(--line);margin-top:32px;padding-top:28px}.question-only-responses>.source-note{margin-bottom:24px}.question-only-answer{border-top:1px solid var(--line);padding:20px 0;display:block}.question-only-answer>span{justify-content:space-between;align-items:center;display:flex}.question-only-answer>span strong{font-size:14px}.question-only-answer>span small{color:var(--muted);font-size:10px}.question-only-answer .past-answer{display:block}@media (width<=800px){.problem-tabs-nine{grid-template-columns:1fr}.official-page-stack{gap:10px}.question-only-answer>span{align-items:flex-start}}.practice-menu-panel{min-width:290px}.manage-menu-panel{width:270px;left:auto;right:-12px}.practice-library-page,.mistake-page{max-width:1220px;margin:0 auto;padding:64px 28px 100px}.practice-library-hero,.mistake-hero{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:18px 32px;margin-bottom:34px;display:grid}.practice-library-hero .eyebrow,.mistake-hero .eyebrow{grid-column:1/-1;margin:0}.practice-library-hero h1,.mistake-hero h1{letter-spacing:-.055em;max-width:760px;margin:0;font-size:clamp(38px,5vw,68px);line-height:.98}.practice-library-hero>p:last-of-type,.mistake-hero>p:last-of-type{color:var(--muted);max-width:650px;margin:0;line-height:1.65}.practice-library-stats{border-left:1px solid var(--line);min-width:190px;padding-left:26px}.practice-library-stats strong{font-family:var(--font-mono);color:var(--accent-dark);font-size:36px;line-height:1;display:block}.practice-library-stats span{color:var(--muted);margin-top:7px;font-size:12px;display:block}.library-filters{background:var(--panel);border:1px solid var(--line);border-radius:12px;grid-template-columns:2fr repeat(4,minmax(120px,1fr));gap:12px;padding:20px;display:grid}.library-filters label,.mistake-filters label{font:700 9px var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);gap:7px;display:grid}.library-filters input,.library-filters select,.mistake-filters select{border:1px solid var(--line);background:var(--paper);width:100%;min-height:43px;color:var(--ink);font:600 13px var(--font-sans);border-radius:7px;padding:0 12px}.library-result-line{color:var(--muted);margin:18px 2px;font-size:13px}.library-result-line strong{color:var(--ink)}.library-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.library-card{border:1px solid var(--line);background:var(--paper);min-height:290px;box-shadow:0 8px 28px var(--shadow);border-radius:10px;flex-direction:column;padding:20px;display:flex}.library-card>div{justify-content:space-between;align-items:center;gap:12px;display:flex}.library-lesson{font:800 11px var(--font-mono);letter-spacing:.1em;color:var(--accent-dark)}.library-card>small{color:var(--muted);font:700 9px var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin-top:18px}.library-card h2{margin:9px 0 7px;font-size:20px;line-height:1.2}.library-card p{color:var(--muted);-webkit-line-clamp:4;-webkit-box-orient:vertical;margin:0 0 18px;font-size:13px;line-height:1.55;display:-webkit-box;overflow:hidden}.library-card>a{border-top:1px solid var(--line);color:var(--accent-dark);margin-top:auto;padding-top:14px;font-size:12px;font-weight:800}.mistake-hero{grid-template-columns:1fr}.mistake-workspace{gap:18px;display:grid}.mistake-summary{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.mistake-summary>div{border:1px solid var(--line);background:var(--paper);border-radius:9px;gap:4px;padding:18px 20px;display:grid}.mistake-summary strong{font:800 30px var(--font-mono);color:var(--accent-dark)}.mistake-summary span{color:var(--muted);font-size:12px}.mistake-filters{border:1px solid var(--line);background:var(--panel);border-radius:9px;justify-content:space-between;align-items:end;gap:18px;padding:14px;display:flex}.mistake-filters>div{gap:6px;display:flex}.mistake-filters button{border:1px solid var(--line);background:var(--paper);color:var(--muted);cursor:pointer;border-radius:6px;padding:10px 14px;font-weight:800}.mistake-filters button.active{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}.mistake-filters label{min-width:210px}.mistake-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.mistake-card{border:1px solid var(--line);background:var(--paper);box-shadow:0 8px 28px var(--shadow);border-radius:10px;flex-direction:column;gap:12px;padding:20px;display:flex}.mistake-card.is-mastered{opacity:.74}.mistake-card-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.mistake-card-head>div{align-items:center;gap:9px;display:flex}.mistake-card-head>strong{font:800 10px var(--font-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--accent-dark)}.mistake-card>small{color:var(--muted);font-size:11px}.mistake-card h2{margin:0;font-size:20px;line-height:1.2}.mistake-card details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);padding:11px 0;font-size:12px}.mistake-card details summary{color:var(--ink);cursor:pointer;font-weight:800}.mistake-card details p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.55}.mistake-reason{gap:7px;font-size:11px;font-weight:800;display:grid}.mistake-reason select{border:1px solid var(--line);background:var(--panel);min-height:42px;color:var(--ink);border-radius:7px;padding:0 10px}.mistake-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:auto;display:flex}.mistake-actions .button{min-height:40px;padding:10px 13px;font-size:11px}.mistake-actions .text-button{color:var(--muted);cursor:pointer;background:0 0;border:0;font-weight:700;text-decoration:underline}.review-date{font-family:var(--font-mono);letter-spacing:.04em}.local-save-note{color:var(--muted);text-align:center;margin-top:8px;font-size:11px}.question-source-note{color:var(--muted);overflow-wrap:anywhere;margin:8px 0 12px;font-size:9px;font-style:italic;line-height:1.45}@media (width<=1000px){.library-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.library-filters label:first-child{grid-column:1/-1}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=700px){.practice-library-page,.mistake-page{padding:42px 18px 80px}.practice-library-hero{grid-template-columns:1fr}.practice-library-stats{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.library-filters,.library-grid,.mistake-summary,.mistake-list{grid-template-columns:1fr}.library-filters label:first-child{grid-column:auto}.mistake-filters{flex-direction:column;align-items:stretch}.mistake-filters>div{overflow-x:auto}.mistake-filters label{min-width:0}.mistake-card-head{align-items:flex-start}.mistake-actions{display:grid}.mistake-actions .button,.mistake-actions .text-button{text-align:center;width:100%}}.personal-bank-page{max-width:1050px}.personal-bank-workspace{gap:24px;margin-top:28px;display:grid}.bank-list-head{justify-content:space-between;align-items:end;margin-top:14px;display:flex}.bank-list-head h2{margin:7px 0 0;font-size:27px}.bank-list-head p{max-width:650px;color:var(--muted);margin:7px 0 0}.bank-legend{gap:8px;display:flex}.bank-legend span,.bank-status{font:750 9px var(--font-mono);letter-spacing:.07em;text-transform:uppercase;border:1px solid var(--line);color:var(--muted);background:var(--soft);border-radius:20px;padding:7px 10px}.personal-question-list{gap:16px;display:grid}.personal-question{border-left:4px solid #b9c5c0;padding:0;overflow:hidden}.personal-question.status-verified{border-left-color:#d4a92e}.personal-question.status-published{border-left-color:var(--green)}.personal-question>header{border-bottom:1px solid var(--line);background:var(--soft);justify-content:space-between;align-items:center;padding:22px 26px;display:flex}.personal-question>header h2{margin:7px 0 0;font-size:21px}.personal-question-grid{grid-template-columns:1fr 1fr;gap:16px;padding:25px 26px;display:grid}.personal-question-grid label{gap:7px;font-size:11px;font-weight:750;display:grid}.personal-question-grid .wide{grid-column:1/-1}.personal-question-grid input,.personal-question-grid textarea,.personal-question-grid select{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--ink);resize:vertical;border-radius:7px;outline:none;padding:12px 13px}.personal-question-grid :is(input,textarea,select):focus{border-color:var(--green);box-shadow:0 0 0 3px #0e6b5814}.personal-question-grid :is(input,textarea,select):disabled{background:var(--soft);color:var(--muted)}.personal-bank-actions{border-top:1px solid var(--line);background:var(--soft);align-items:center;gap:13px;padding:18px 26px;display:flex}.correct-confirm{max-width:470px;color:var(--muted);align-items:flex-start;gap:9px;margin-left:auto;font-size:11px;line-height:1.45;display:flex}.correct-confirm input{accent-color:var(--green);margin-top:2px}.verified-note{color:#82681f;margin-left:auto;font-size:11px;font-weight:750}.published-note{color:#285c45;background:#eaf4ee;justify-content:space-between;padding:17px 26px;font-size:11px;display:flex}.form-success{color:#285c45;background:#eaf5ef;border:1px solid #a9d5bd;border-radius:7px;padding:13px 15px;font-size:12px;font-weight:700}.bank-ready-head{border-top:1px solid var(--line);padding-top:12px}.ready-question-list{gap:12px;display:grid}.ready-question-card{border-left:4px solid var(--green);justify-content:space-between;align-items:center;gap:22px;padding:20px 22px;display:flex}.ready-question-card h3{margin:5px 0 6px;font-size:18px}.ready-question-card p{color:var(--muted);margin:0;font-size:11px}.ready-question-actions{align-items:center;gap:14px;display:flex}.ready-question-actions .verified-note{white-space:nowrap;margin:0}.private-scope-note{color:#285c45;background:#eef7f2;border:1px solid #bfd8cc;border-radius:7px;align-items:flex-start;gap:12px;margin:18px 0;padding:13px 15px;font-size:11px;line-height:1.5;display:flex}.private-scope-note strong{white-space:nowrap}.bank-bulk-import{gap:18px;display:grid}.bank-bulk-import>textarea{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--ink);font:11px/1.55 var(--font-mono);resize:vertical;border-radius:7px;padding:14px}.bulk-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}html[data-theme=dark] .personal-question-grid :is(input,textarea,select){color:#eff7e4;background:#0b3026;border-color:#4a745f}html[data-theme=dark] .personal-question-grid :is(input,textarea,select):disabled{color:#aabdb4;background:#153e31}html[data-theme=dark] .published-note{color:#d7f3e6;background:#17483a}html[data-theme=dark] .form-success{color:#d7f3e6;background:#17483a;border-color:#47715e}html[data-theme=dark] .private-scope-note{color:#d7f3e6;background:#153e31;border-color:#4a745f}html[data-theme=dark] .bank-bulk-import>textarea{color:#eff7e4;background:#0b3026;border-color:#4a745f}@media (width<=800px){.bank-list-head{flex-direction:column;align-items:flex-start;gap:15px}.bank-legend{flex-wrap:wrap}.personal-question-grid{grid-template-columns:1fr;padding:20px 18px}.personal-question-grid .wide{grid-column:auto}.personal-question>header{align-items:flex-start;gap:14px;padding:19px 18px}.personal-bank-actions{flex-direction:column;align-items:stretch;padding:17px 18px}.correct-confirm,.verified-note{margin-left:0}.published-note{flex-direction:column;align-items:flex-start;gap:5px;padding:16px 18px}.private-scope-note{flex-direction:column}.bulk-actions,.ready-question-card,.ready-question-actions{flex-direction:column;align-items:stretch}.ready-question-actions .verified-note{white-space:normal}}.login-info-links{justify-content:center;gap:18px;margin-top:16px;display:flex}.login-info-links a{color:var(--green);text-underline-offset:3px;font-size:10px;font-weight:750;text-decoration:underline}.join-secondary-links{gap:8px;margin-top:20px;display:grid}.join-secondary-links .join-back{margin:0}.guide-hero-links{gap:22px;margin-top:22px;display:flex}.guide-hero-links a{color:var(--lime);font-size:11px;font-weight:750}.public-info-shell{background:var(--bg);min-height:100vh}.public-info-nav{border-bottom:1px solid var(--line);background:var(--surface);z-index:10;justify-content:space-between;align-items:center;height:78px;padding:0 max(28px,50vw - 590px);display:flex;position:sticky;top:0}.public-info-brand{flex-direction:column;gap:4px;display:flex}.public-info-brand strong{letter-spacing:-.05em;font-size:20px}.public-info-brand strong span{letter-spacing:.14em;margin-left:6px;font-size:9px;font-weight:550}.public-info-brand small{font:700 8px var(--font-mono);letter-spacing:.16em;color:var(--muted);text-transform:uppercase}.public-info-nav nav{align-items:stretch;gap:30px;height:100%;display:flex}.public-info-nav nav a{color:var(--muted);align-items:center;font-size:12px;font-weight:700;display:flex;position:relative}.public-info-nav nav a.active{color:var(--ink)}.public-info-nav nav a.active:after{content:"";background:var(--green);height:2px;position:absolute;bottom:0;left:0;right:0}.public-info-nav .public-signin{color:var(--green)}.public-info-main{width:min(1180px,100% - 48px);margin:0 auto;padding:42px 0 90px}.public-info-hero{border:1px solid var(--line);background:var(--surface);border-radius:14px;grid-template-columns:minmax(0,1fr) 330px;align-items:center;gap:58px;min-height:520px;padding:64px;display:grid;position:relative;overflow:hidden}.public-info-hero:before{content:"";border:1px solid var(--line);width:460px;height:460px;box-shadow:0 0 0 70px var(--green),0 0 0 140px var(--green);border-radius:50%;position:absolute;bottom:-190px;right:-130px}@supports (color:color-mix(in lab, red, red)){.public-info-hero:before{box-shadow:0 0 0 70px color-mix(in srgb,var(--green) 4%,transparent),0 0 0 140px color-mix(in srgb,var(--green) 2%,transparent)}}.public-info-hero h1{font:800 clamp(48px,6vw,76px)/.94 var(--font-mono);letter-spacing:-.075em;color:var(--green);margin:20px 0}.public-info-hero>div>p:last-of-type{max-width:700px;color:var(--muted);font-size:16px;line-height:1.7}.public-hero-actions{gap:10px;margin-top:30px;display:flex}.public-outline{border:1px solid var(--green);color:var(--green);background:0 0}.public-ready-card{background:var(--navy);color:#fff;z-index:1;border-radius:11px;flex-direction:column;justify-content:end;align-self:stretch;padding:30px;display:flex;position:relative;overflow:hidden}.public-ready-card>span{font:800 110px/1 var(--font-mono);color:#ffffff0b;position:absolute;top:8px;right:15px}.public-ready-card h2{letter-spacing:-.045em;margin:12px 0 20px;font-size:30px}.public-ready-card ul{margin:0;padding:0;list-style:none}.public-ready-card li{color:#c8d8d2;border-top:1px solid #ffffff20;padding:12px 0;font-size:12px}.public-ready-card li:before{content:"□";color:var(--lime);margin-right:10px}.public-section{margin-top:68px}.public-section-head{grid-template-columns:minmax(0,1fr) 390px;align-items:end;gap:8px 40px;margin-bottom:24px;display:grid}.public-section-head .eyebrow{grid-column:1/-1}.public-section-head h2{letter-spacing:-.055em;margin:6px 0;font-size:clamp(30px,4vw,48px);line-height:1.05}.public-section-head>p:last-child{color:var(--muted);margin:0;font-size:13px;line-height:1.65}.rhythm-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.rhythm-grid article{border:1px solid var(--line);background:var(--surface);border-radius:10px;min-height:210px;padding:25px;position:relative}.rhythm-grid article>span{font:800 34px var(--font-mono);color:var(--green)}.rhythm-grid h3{margin:26px 0 9px;font-size:20px}.rhythm-grid p{color:var(--muted);font-size:12px;line-height:1.6}.first-meeting ol{border:1px solid var(--line);background:var(--surface);border-radius:12px;margin:0;padding:0;list-style:none;overflow:hidden}.first-meeting li{border-top:1px solid var(--line);grid-template-columns:105px 1fr;gap:22px;padding:22px 26px;display:grid}.first-meeting li:first-child{border-top:0}.first-meeting time{font:800 16px var(--font-mono);color:var(--green)}.first-meeting h3{margin:0 0 6px;font-size:16px}.first-meeting p{color:var(--muted);margin:0;font-size:12px;line-height:1.55}.portal-primer-grid{border:1px solid var(--line);background:var(--surface);border-radius:12px;grid-template-columns:repeat(5,1fr);display:grid;overflow:hidden}.portal-primer-grid article{border-left:1px solid var(--line);padding:22px}.portal-primer-grid article:first-child{border-left:0}.portal-primer-grid strong{font:800 12px var(--font-mono);color:var(--green)}.portal-primer-grid p{color:var(--muted);margin:13px 0 0;font-size:11px;line-height:1.6}.ai-use-banner{background:var(--navy);color:#fff;border-radius:12px;margin-top:68px;padding:42px 46px}.ai-use-banner h2{letter-spacing:-.045em;margin:14px 0 9px;font-size:32px}.ai-use-banner>p:last-child{color:#bfd1cb;max-width:830px;line-height:1.65}.public-final-cta{border:1px solid var(--line);background:var(--surface);border-radius:12px;justify-content:space-between;align-items:center;gap:30px;margin-top:28px;padding:30px 34px;display:flex}.public-final-cta h2{margin:7px 0;font-size:26px}.public-final-cta>div>p:last-child{color:var(--muted);margin:0;font-size:12px}.public-info-footer{border-top:1px solid var(--line);min-height:86px;font:700 9px var(--font-mono);letter-spacing:.09em;color:var(--muted);justify-content:space-between;align-items:center;padding:20px max(28px,50vw - 590px);display:flex}.public-info-footer div{gap:24px;display:flex}.public-info-footer a:hover{color:var(--green)}.parent-faq-hero{background:var(--navy);color:#fff;border-radius:14px;padding:58px 62px;position:relative;overflow:hidden}.parent-faq-hero:after{content:"FAQ";font:800 170px/.8 var(--font-mono);letter-spacing:-.1em;color:#ffffff08;position:absolute;bottom:-26px;right:28px}.parent-faq-hero h1{font:800 clamp(48px,7vw,82px)/.9 var(--font-mono);letter-spacing:-.07em;margin:22px 0}.parent-faq-hero>p:not(.eyebrow){color:#c2d3cd;max-width:720px;line-height:1.7}.parent-faq-hero>div{z-index:1;gap:10px;margin-top:28px;display:flex;position:relative}.parent-hero-outline{color:#fff;background:0 0;border:1px solid #fff5}.faq-layout{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:28px;margin-top:30px;display:grid}.faq-layout>aside{border:1px solid var(--line);background:var(--soft);border-radius:10px;padding:25px;position:sticky;top:108px}.faq-layout dl{margin:22px 0}.faq-layout dl>div{border-top:1px solid var(--line);padding:12px 0}.faq-layout dt{font:700 9px var(--font-mono);letter-spacing:.08em;color:var(--muted);text-transform:uppercase}.faq-layout dd{margin:5px 0 0;font-size:13px;font-weight:750}.faq-layout>aside>p:last-child{color:var(--muted);font-size:10px;line-height:1.55}.faq-list{border:1px solid var(--line);background:var(--surface);border-radius:10px;overflow:hidden}.faq-list details{border-top:1px solid var(--line)}.faq-list details:first-child{border-top:0}.faq-list summary{cursor:pointer;grid-template-columns:40px 1fr auto;align-items:center;gap:16px;padding:22px 24px;font-size:15px;font-weight:750;list-style:none;display:grid}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font:800 10px var(--font-mono);color:var(--green)}.faq-list summary>i{font:400 22px var(--font-mono);color:var(--green);font-style:normal;transition:transform .2s}.faq-list details[open] summary>i{transform:rotate(45deg)}.faq-list details>p{color:var(--muted);margin:0;padding:0 64px 24px;font-size:13px;line-height:1.7}.parent-note{border:1px solid var(--line);background:var(--soft);border-radius:11px;justify-content:space-between;align-items:center;gap:32px;margin-top:28px;padding:28px 32px;display:flex}.parent-note h2{margin:8px 0;font-size:24px}.parent-note>div>p:last-child{color:var(--muted);max-width:760px;font-size:12px;line-height:1.6}.parent-note>a{flex-shrink:0}html[data-theme=dark] .public-info-nav{background:var(--surface)}html[data-theme=dark] .public-ready-card,html[data-theme=dark] .ai-use-banner,html[data-theme=dark] .parent-faq-hero{background:#052b20}html[data-theme=dark] .button.white{color:#082f23}html[data-theme=dark] .colab-workflow{background:#123d31;border-color:#47715e}html[data-theme=dark] .colab-workflow p{color:#c4d3cc}html[data-theme=dark] .colab-checklist{color:#eff7e4;background:#123d31;border-color:#47715e}html[data-theme=dark] .colab-checklist legend,html[data-theme=dark] .colab-checklist label{color:#d9e6df}html[data-theme=dark] .colab-checklist input{accent-color:#bce84a}html[data-theme=dark] .question-tools .hint,html[data-theme=dark] .practice-tools .hint{background:#123d31;border:1px solid #47715e}html[data-theme=dark] .question-tools .hint summary,html[data-theme=dark] .practice-tools .hint summary{color:#bce84a}html[data-theme=dark] .question-tools .hint p,html[data-theme=dark] .practice-tools .hint p{color:#c4d3cc}html[data-theme=dark] .paper>p:not(.eyebrow){color:#b9cac2}html[data-theme=dark] .concept-flow{background:#123d31;border:1px solid #47715e}html[data-theme=dark] .concept-flow strong{color:#082f23;background:#bce84a}html[data-theme=dark] .concept-flow em{color:#e3eee8}html[data-theme=dark] .concept-flow b{color:#91aa9f}html[data-theme=dark] .side-card li{color:#b9cac2}html[data-theme=dark] .side-card li.done{color:#e3eee8}html[data-theme=dark] .key-list li{color:#c8d7d0}.class-slides-card{border:1px solid var(--line);background:var(--surface);border-radius:10px;justify-content:space-between;align-items:center;gap:28px;margin-top:24px;padding:24px 28px;display:flex}.class-slides-card h2{margin:8px 0 5px;font-size:22px}.class-slides-card>div:first-child>p:last-child{max-width:680px;color:var(--muted);margin:0;font-size:12px;line-height:1.55}.class-slides-card>div:last-child{flex-shrink:0;gap:9px;display:flex}.class-slides-card .button{white-space:nowrap}@media (width<=700px){.class-slides-card{flex-direction:column;align-items:stretch;padding:21px 18px}.class-slides-card>div:last-child{display:grid}.class-slides-card .button{text-align:center}}html[data-theme=dark] .join-shell{color:#132a24}html[data-theme=dark] .join-panel{background:radial-gradient(circle at 70% 12%,#fff 0,#f4f7f5 58%)}html[data-theme=dark] .join-card{background:#fff;border-color:#d5dfdc}html[data-theme=dark] .join-card h2{color:#132a24}html[data-theme=dark] .join-card .muted{color:#667872}html[data-theme=dark] .join-form label{color:#243c34}html[data-theme=dark] .join-form input,html[data-theme=dark] .join-form select{color:#132a24;background:#fbfdfc;border-color:#cbd8d3}html[data-theme=dark] .join-form input:focus,html[data-theme=dark] .join-form select:focus{background:#fff;border-color:#0e6b58;box-shadow:0 0 0 3px #0e6b5814}html[data-theme=dark] .join-form label small,html[data-theme=dark] .join-privacy{color:#6f817b}html[data-theme=dark] .join-confirm{color:#243c34;background:#f5f8f6;border-color:#cbd8d3}html[data-theme=dark] .join-expiry-note{color:#536760}@media (width<=900px){.public-info-hero{grid-template-columns:1fr;padding:42px}.public-ready-card{min-height:320px}.public-section-head,.rhythm-grid{grid-template-columns:1fr}.rhythm-grid article{min-height:0}.portal-primer-grid{grid-template-columns:repeat(2,1fr)}.portal-primer-grid article:nth-child(odd){border-left:0}.portal-primer-grid article{border-top:1px solid var(--line)}.portal-primer-grid article:nth-child(-n+2){border-top:0}.faq-layout{grid-template-columns:1fr}.faq-layout>aside{position:static}.parent-note{flex-direction:column;align-items:flex-start}}@media (width<=700px){.public-info-nav{height:auto;min-height:72px;padding:12px 18px}.public-info-nav nav{gap:13px;height:auto}.public-info-nav nav a{font-size:10px}.public-info-nav .public-signin{display:none}.public-info-main{width:calc(100% - 28px);padding:24px 0 65px}.public-info-hero{gap:26px;padding:30px 22px}.public-info-hero h1{font-size:43px}.public-hero-actions,.parent-faq-hero>div{display:grid}.public-ready-card{min-height:280px;padding:24px}.public-section{margin-top:48px}.public-section-head{margin-bottom:18px}.first-meeting li{grid-template-columns:1fr;gap:9px;padding:19px}.portal-primer-grid{grid-template-columns:1fr}.portal-primer-grid article,.portal-primer-grid article:nth-child(odd){border-left:0;border-top:1px solid var(--line)}.portal-primer-grid article:first-child{border-top:0}.ai-use-banner{padding:30px 24px}.ai-use-banner h2{font-size:26px}.public-final-cta{flex-direction:column;align-items:stretch;padding:25px 22px}.public-info-footer{flex-direction:column;align-items:flex-start;gap:15px}.public-info-footer div{flex-wrap:wrap;gap:14px}.parent-faq-hero{padding:38px 25px}.parent-faq-hero h1{font-size:50px}.faq-list summary{grid-template-columns:28px 1fr auto;gap:9px;padding:19px 16px}.faq-list details>p{padding:0 16px 20px 53px}.parent-note{padding:24px 20px}.login-info-links{flex-direction:column;align-items:center;gap:8px}.guide-hero-links{flex-direction:column;gap:9px}}.member-admin-section{margin-top:38px}.section-heading{margin-bottom:18px}.section-heading h2{margin:6px 0;font-size:clamp(26px,3vw,38px)}.member-summary-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px;display:grid}.member-summary-grid article{border:1px solid var(--line);background:var(--paper);border-radius:12px;flex-direction:column;padding:20px;display:flex}.member-summary-grid strong{font-family:var(--pixel);color:var(--green);font-size:32px}.member-summary-grid span{color:var(--muted);font-size:13px}.member-tools{grid-template-columns:2fr 1fr auto;align-items:end;gap:14px;margin-bottom:16px;padding:18px;display:grid}.member-tools label{flex-direction:column;gap:7px;font-size:12px;font-weight:800;display:flex}.member-tools input,.member-tools select{width:100%}.member-table-wrap{padding:0;overflow:auto}.member-table{border-collapse:collapse;width:100%;min-width:920px}.member-table th{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;border-bottom:1px solid var(--line);padding:16px;font-size:11px}.member-table td{border-bottom:1px solid var(--line);vertical-align:middle;padding:16px}.member-table tr:last-child td{border-bottom:0}.member-identity{align-items:center;gap:12px;display:flex}.member-identity span{flex-direction:column;gap:2px;display:flex}.member-identity small,.member-subnote{color:var(--muted);margin-top:4px;font-size:11px;display:block}.member-row-actions{flex-wrap:wrap;gap:8px;display:flex}.member-row-actions .button{padding:9px 11px;font-size:11px}.button.danger{color:#9b2c2c;border-color:#d9aaa4}.state-active{color:#0d6847;background:#dff3e8}.state-invited{color:#705800;background:#fff2bf}.state-inactive{color:#595959;background:#eee}@media (width<=760px){.member-summary-grid{grid-template-columns:repeat(2,1fr)}.member-tools{grid-template-columns:1fr}}@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-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}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/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(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/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(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/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(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/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(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.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 .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.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 .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.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 .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.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 .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.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 .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 .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>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
