.project-ai-entry{gap:16px;max-width:760px;margin-top:28px;display:grid}.project-ai-entry form{gap:12px;display:grid}.learn-page .project-ai-entry .ui-label{flex-direction:row;align-items:center;gap:8px;margin:0;display:flex}.project-ai-entry p{margin:0;font-size:14px}.project-ai-input{gap:10px;display:flex}.project-ai-input input{flex:1;min-width:0;min-height:52px}.project-ai-input button{flex-shrink:0}.project-ai-entry>a,.ai-home-catalog-link{width:fit-content;padding-block:8px;font-size:14px;line-height:1.7}.ai-home-catalog-link{align-items:center;gap:8px;margin-top:8px;display:inline-flex}.ai-home-hero{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}.ai-home-hero .workspace-art{align-self:start;margin-top:40px}.project-ai-workspace,.project-ai-plan{gap:28px;display:grid}.project-ai-connect{gap:20px;padding:clamp(24px,4vw,40px);display:grid}.project-ai-connect form{border-top:1px solid var(--line);gap:14px;padding-top:16px;display:grid}.project-ai-connect>:is(h2,p),.project-ai-connect form>p,.learn-page .project-ai-connect .ui-label{margin-block:0}.learn-page .project-ai-connect .ui-label{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.project-ai-connect .ui-label+:is(input,select,textarea){margin-top:-6px}.project-ai-source{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.project-ai-source p{color:var(--muted);margin-top:8px}.project-ai-summary{gap:16px;padding:28px;display:grid}.project-ai-summary :is(p,h2){margin:0}.project-ai-summary small{color:var(--muted);line-height:1.7}.project-ai-switch{flex-wrap:wrap;gap:12px;display:flex}.project-ai-switch button{gap:12px;padding:14px 20px}.project-ai-switch button[aria-pressed=true],.project-ai-topic-list button[aria-pressed=true]{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 12%, var(--surface))}.project-ai-topic-list{grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:12px;display:grid}.project-ai-topic-list button{text-align:left;gap:8px;padding:20px;line-height:1.5;display:grid}.project-ai-topic-list small{color:var(--muted);font-weight:400}.project-ai-topic{gap:36px;padding:clamp(24px,4vw,40px);display:grid}.project-ai-topic header,.project-ai-topic section{gap:20px;min-width:0;display:grid}.project-ai-topic section{border-top:1px solid var(--line);padding-top:28px}.project-ai-topic :is(h2,h3,h4,p){margin:0}.project-ai-topic p{line-height:1.85}.project-ai-topic h3{font-size:20px}.project-ai-topic fieldset{border:0;gap:12px;min-width:0;margin:0;padding:0;display:grid}.project-ai-topic legend{margin-bottom:18px;font-weight:600;line-height:1.8}.project-ai-topic .practice-scenario{gap:14px;display:grid}.project-ai-lessons{flex-wrap:wrap;gap:12px;display:flex}.project-ai-lessons a{background:var(--surface-hover);border-radius:12px;padding:14px 18px;line-height:1.6}.project-ai-return{border:1px solid var(--line);border-radius:16px;gap:12px;margin:24px 0;padding:20px 24px;display:grid}.project-ai-return p{color:var(--muted);margin:0;line-height:1.7}@media (max-width:1100px){.project-ai-input{flex-direction:column}.project-ai-input button{justify-content:center;min-height:48px}}@media (max-width:760px){.ai-home-hero{grid-template-columns:minmax(0,1fr)}.ai-home-hero .workspace-art{margin-top:8px}.project-ai-switch button{flex:160px}.project-ai-entry{margin-top:20px}}.project-ai-page>.ai-learning-hero{margin-bottom:36px}.project-ai-summary details p{padding-top:16px}
.desktop-sidebar,.desktop-location{display:none}@media (min-width:1024px){:root{--desktop-sidebar-width:240px;--desktop-content-gutter:clamp(28px, 3vw, 48px)}.sidebar{width:var(--desktop-sidebar-width);padding:24px 16px 16px}.sidebar .brand-logo{min-height:48px;margin-bottom:28px;font-size:22px}.sidebar .brand-logo small{font:400 12px/1.5 var(--sans);letter-spacing:0}.sidebar>nav{order:1;margin-bottom:12px}.sidebar .nav-caption{font:500 12px/1.5 var(--sans);letter-spacing:0;margin:18px 0 8px}.sidebar nav>.nav-caption:first-child{margin-top:0}.sidebar .nav-item{border-radius:10px;min-height:42px;margin-bottom:3px;padding:10px 12px;font-size:14px;line-height:1.5}.sidebar .nav-item[aria-current=page]{background:color-mix(in srgb, var(--accent) 14%, var(--sidebar));color:var(--text);font-weight:650}.sidebar-workspace{background:0 0;border-radius:10px;order:2;gap:6px;margin:0;padding:12px}.sidebar-workspace small{display:none}.sidebar-workspace strong{font-size:13px}.sidebar-workspace .workspace-login{min-height:36px;margin:0}.sidebar-bottom{order:3;margin-top:12px;padding-top:8px}.sidebar-note{display:none}.main-shell,.desktop-content{margin-left:var(--desktop-sidebar-width);min-width:0}.desktop-sidebar{display:flex}.desktop-content>main{width:100%;max-width:1320px;min-height:100vh;padding:0 var(--desktop-content-gutter) 80px;margin:0 auto}.desktop-content .site-header{border-bottom:1px solid var(--line);flex-wrap:nowrap;gap:16px;height:72px;min-height:72px;margin:0 0 32px;padding:0}.desktop-content .site-header>.brand-logo,.desktop-content .site-header>.site-navigation,.desktop-content .site-header>.site-menu-button{display:none}.desktop-content .desktop-location{color:var(--muted);white-space:nowrap;align-items:center;gap:12px;font-size:13px;display:flex}.desktop-location strong{color:var(--text);font-weight:550}.lab-shell:has(.library-main) .topbar{height:72px;padding:0 var(--desktop-content-gutter);flex-wrap:nowrap}.lab-shell:has(.library-main) .topbar-actions{flex-wrap:nowrap}.library-main{padding:32px var(--desktop-content-gutter) 56px;width:100%;max-width:1320px;margin:0 auto}.desktop-content .visual-intro,.desktop-content .practice-page-intro,.desktop-content .ai-learning-hero{margin-top:0;margin-bottom:28px}.desktop-content h1,.workspace-welcome>h1{letter-spacing:-.035em;font-size:clamp(28px,2.5vw,36px);line-height:1.35}.desktop-content .practice-page-intro p{max-width:68ch;color:var(--muted);margin-top:14px;line-height:1.75}.desktop-content .visual-intro{grid-template-columns:minmax(0,1fr) 180px;gap:24px;padding:24px 28px}.workspace-welcome>h1{margin:12px 0 24px}.workspace-welcome .project-quick-start{border:1px solid var(--line);background:var(--surface);border-radius:18px;gap:20px;padding:28px}.desktop-content .class-empty{gap:16px;padding:32px}.desktop-content .class-empty h2{margin:0;font-size:22px;line-height:1.45}.desktop-content .class-empty p{max-width:68ch;color:var(--muted);margin:0;line-height:1.75}.desktop-content .class-empty>.primary-button{align-self:flex-start;margin-top:8px}}
.project-page .project-summary{grid-template-columns:minmax(0,1fr);gap:20px;display:grid}.project-page .project-summary>:is(h2,p,div,a,details,button){margin-block:0}.project-summary>a,.project-summary>.text-button{justify-self:start}.analysis-overview p,.question-learning-goal p,.question-context section>p{margin-block:0}.question-learning-goal{gap:8px}.question-writing{gap:14px}.question-writing>:is(p,label,textarea,details){margin-block:0}.question-writing-guide{padding-bottom:6px}.question-context section>h3{margin-bottom:10px}.question-context .project-evidence>strong{margin-bottom:12px;display:block}.question-context .project-evidence>.repository-evidence{margin-top:0}.analysis-next-action{align-items:flex-start}.analysis-next-action>a{align-self:center}.analysis-next-action p{margin-top:8px}.practice-prediction fieldset{margin-block:0}.practice-prediction fieldset>.muted{margin-bottom:4px}.practice-reading-guide li+li,.question-writing-guide li+li{margin-top:6px}.practice-study-source .practice-glossary,.practice-study-source .practice-reading-guide{gap:10px}.practice-stepbar+.practice-origin{align-items:stretch}.practice-stepbar+.practice-origin>button{text-align:left;line-height:1.6}.practice-page-intro>p{margin-block:0}.desktop-content .practice-page-intro p{margin-top:0}@media (max-width:650px){.type-filters .ui-button.ui-toggle:not(.icon-button),.segmented .ui-button.ui-toggle:not(.icon-button),.difficulty-options .ui-button.ui-toggle:not(.icon-button){padding-inline:8px}.project-page .project-panel,.practice-exercise,.practice-complete,.project-renew{padding:20px}.question-context,.practice-service-scene,.practice-learning-goal{padding:16px}.analysis-next-action>a{text-align:center;justify-content:center;align-self:stretch}.practice-stages>button{min-height:68px}.practice-origin>:is(a,button){padding:10px 14px}.question-study-layout{gap:20px}}.class-card-link{width:100%;min-width:0;color:inherit;flex-direction:column;flex:1;align-items:flex-start;gap:20px;text-decoration:none;display:flex}.class-delete-button{align-self:flex-end}.class-loading-card:hover{border-color:var(--line);transform:none}.class-loading-lines{gap:10px;width:100%;display:grid}.class-loading-lines span{background:var(--line);border-radius:6px;height:12px}.class-loading-lines span:last-child{width:65%}.class-toolbar label{margin-bottom:10px;display:block}.class-empty>:is(h2,p),.class-edit>:is(p,label){margin-block:0}.class-edit .class-actions{margin-top:4px}.practice-reading-guide>strong,.practice-glossary>strong{margin-bottom:10px;display:block}.practice-reading-guide>ol,.practice-glossary>dl{margin-block:10px 0}.question-context section+section{margin-top:20px}@media (max-width:650px){.class-list-card{padding:20px}.class-card-link{gap:16px}}.analysis-activity-item{padding:18px 54px 18px 18px}.ui-button.analysis-activity-dismiss{width:32px;min-width:32px;height:32px;min-height:32px;box-shadow:none;color:var(--muted);background:0 0;border:0;border-radius:50%;justify-content:center;align-items:center;padding:0;display:inline-flex;top:10px;right:10px}.ui-button.analysis-activity-dismiss:hover{background:var(--line);color:var(--text)}.ui-button.analysis-activity-dismiss:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.generation-activity{gap:10px;min-width:0;display:grid}.class-thumbnail,.class-track-preview{aspect-ratio:1.9;background:var(--line);border-radius:14px;width:100%;overflow:hidden}.class-thumbnail img,.class-track-preview img{object-fit:cover;width:100%;height:100%;display:block}.class-thumbnail .theme-picture,.class-track-preview .theme-picture{width:100%;height:100%;display:block}.class-tracks>.ui-card{gap:16px}.class-tracks .class-track-preview{margin-bottom:4px}@media (pointer:coarse){.ui-button.analysis-activity-dismiss{min-width:40px;min-height:40px}}.modal-heading{gap:16px;margin-bottom:0;padding:14px 20px}.modal-heading>.mono{min-width:0;line-height:1.6}.modal>.class-edit{padding:24px}.ui-button.ui-toggle:not(.icon-button){padding-block:10px;line-height:1.5}.class-versions>:is(h2,h3)+p{margin-top:12px}.class-versions>p+ul{margin-top:20px}.analysis-activity-item>.ui-button:not(.analysis-activity-dismiss){margin-top:8px}@media (max-width:650px){.modal-heading{gap:12px;padding:12px 16px}.modal>.class-edit{padding:20px}}
.feature-art .theme-picture{height:100%;position:absolute;inset:0}.visual-intro.visual-intro{border:1px solid var(--line);background:var(--lightningcss-light,var(--light-panel))var(--lightningcss-dark,#171d28)}.desktop-location a{color:var(--muted)}.desktop-location a:hover{color:var(--text)}@media (min-width:1024px){.desktop-content .site-header{margin-inline:calc(var(--desktop-content-gutter) * -1);padding-inline:var(--desktop-content-gutter)}.desktop-content>.account-page{max-width:1320px}}@media (max-width:760px){.site-header>.site-menu-button.ui-button{order:-1}}.workspace-welcome>.persona-picker{margin-top:48px}.persona-cards .persona-selected{color:var(--accent);font-size:13px;font-weight:600}.persona-cards .persona-selected svg{visibility:visible}.persona-cards .is-selected .persona-selected{color:var(--lightningcss-light,var(--light-green))var(--lightningcss-dark,#a0edc9)}.project-form .ui-label:has(>span){display:block}.project-form .ui-label>span{color:var(--muted);font-weight:400;display:inline}.project-form>p.project-help{margin:0}.security-consent input[type=checkbox]{width:20px;height:20px;accent-color:var(--action);flex:none;margin:2px 0 0}.workspace-breadcrumb .workspace-id{font-family:var(--sans);letter-spacing:0}
:root{--line:var(--lightningcss-light,#d5dde8)var(--lightningcss-dark,#343e4e)}.ui-button{border-color:var(--lightningcss-light,var(--light-line))var(--lightningcss-dark,#343e4e)}.ui-card{box-shadow:0 1px 2px var(--lightningcss-light,#0f172a0d)var(--lightningcss-dark,#0000)}.ui-button:active:not(:disabled){transform:scale(.98)}@media (prefers-reduced-motion:reduce){.ui-button:active:not(:disabled){transform:none}}.ui-button.primary-button:disabled{opacity:1;background:var(--lightningcss-light,var(--light-hover))var(--lightningcss-dark,#283448);color:var(--lightningcss-light,#6b7a8f)var(--lightningcss-dark,#8d99ab);border-color:#0000}.type-filters,.segmented{border-radius:var(--radius-control);background:var(--lightningcss-light,var(--light-raised))var(--lightningcss-dark,#0b0f15);border:0;gap:2px;padding:3px}.type-filters>.ui-button,.segmented>.ui-button{color:var(--muted);background:0 0;border-color:#0000;border-radius:9px;font-weight:500}.type-filters>.ui-button:hover:not(.selected),.segmented>.ui-button:hover:not(.selected){color:var(--text);border-color:#0000}.type-filters>.ui-button.selected,.segmented>.ui-button.selected{background:var(--lightningcss-light,var(--light-panel))var(--lightningcss-dark,#283448);color:var(--text);border-color:#0000;font-weight:700;box-shadow:0 1px 3px var(--lightningcss-light,#0f172a1f)var(--lightningcss-dark,#0006),0 0 0 1px var(--lightningcss-light,#0f172a0a)var(--lightningcss-dark,#ffffff0f)}.row-tags>span{background:var(--lightningcss-light,var(--light-raised))var(--lightningcss-dark,#202938);color:var(--muted);font-family:var(--sans);border:0;border-radius:6px;padding:2px 7px;font-size:12px}.bookmark-button.icon-button,.topbar-actions>.icon-button.desktop-header-action{background:0 0;border-color:#0000}.bookmark-button.icon-button:hover:not(:disabled),.topbar-actions>.icon-button.desktop-header-action:hover:not(:disabled){background:var(--surface-hover);border-color:#0000}.stats-row strong,.table-footer,.pagination,.row-time,.notes-progress{font-variant-numeric:tabular-nums}details.audit-method,.security-exercises details.ui-disclosure,details.project-example-disclosure{padding:20px 24px}:is(.audit-method,.security-exercises details,.project-example-disclosure)>.ui-disclosure-summary{flex-direction:column;justify-content:center;min-height:44px;padding:0 36px 0 0;list-style:none;display:flex;position:relative}:is(.audit-method,.security-exercises details,.project-example-disclosure)>.ui-disclosure-summary::-webkit-details-marker{display:none}:is(.audit-method,.security-exercises details,.project-example-disclosure)>.ui-disclosure-summary:after{content:"";background:var(--muted);width:20px;height:20px;transition:transform var(--motion-fast);margin-top:-10px;position:absolute;top:50%;right:0;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") 50%/contain no-repeat}:is(.audit-method,.security-exercises details,.project-example-disclosure)[open]>.ui-disclosure-summary:after{transform:rotate(180deg)}.audit-method>.ui-disclosure-summary>span{margin-left:0}@media (max-width:650px){details.audit-method,.security-exercises details.ui-disclosure,details.project-example-disclosure{padding:16px 18px}}@media (prefers-reduced-motion:reduce){:is(.audit-method,.security-exercises details,.project-example-disclosure)>.ui-disclosure-summary:after{transition:none}}
:is(h1,h2,h3){text-wrap:balance}p{text-wrap:pretty}.practice-origin.segmented{flex-wrap:nowrap;width:fit-content;max-width:100%;display:inline-flex}.practice-origin.segmented>:is(button,a){white-space:nowrap;min-height:44px;color:var(--muted);background:0 0;border:0;border-radius:9px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:500;text-decoration:none;display:inline-flex}.practice-origin.segmented>:is(button,a):hover:not([aria-pressed=true],[aria-current]){color:var(--text);background:0 0}.practice-origin.segmented>:is([aria-pressed=true],[aria-current]){background:var(--lightningcss-light,var(--light-panel))var(--lightningcss-dark,#283448);color:var(--text);border:0;font-weight:700;box-shadow:0 1px 3px var(--lightningcss-light,#0f172a1f)var(--lightningcss-dark,#0006),0 0 0 1px var(--lightningcss-light,#0f172a0a)var(--lightningcss-dark,#ffffff0f)}.practice-entry-card.ui-card{border:1px solid var(--line);background-color:var(--lightningcss-light,var(--light-panel))var(--lightningcss-dark,#171d28)}.practice-switch{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;display:flex}.practice-switch-links{font-size:var(--text-ui);flex-wrap:wrap;gap:0 20px;display:flex}.practice-switch-links a{min-height:44px;color:var(--muted);align-items:center;display:inline-flex}.practice-switch-links a:hover{color:var(--text)}@media (max-width:600px){.practice-origin.segmented{width:100%}.practice-origin.segmented>:is(button,a){flex:1 1 0;padding-inline:8px}}.ui-notice{border-radius:var(--radius-control);background:var(--lightningcss-light,var(--light-amber-soft))var(--lightningcss-dark,#211c12);color:var(--lightningcss-light,#6b4300)var(--lightningcss-dark,#f2c879);font-size:var(--text-ui);border:1px solid var(--lightningcss-light,#ecd6a4)var(--lightningcss-dark,#66502d);align-items:flex-start;gap:10px;margin:0;padding:14px 18px;line-height:1.7;display:flex}.ui-notice>svg{flex-shrink:0;margin-top:3px}.ui-notice+.project-layout{margin-top:24px}.project-page :is(input:not([type=checkbox]),textarea,.ui-native-select){border-radius:var(--radius-control)}.project-page .ui-native-select{background-color:var(--lightningcss-light,var(--light-panel))var(--lightningcss-dark,#080b10)}.ui-select-trigger{border-radius:var(--radius-control)}.ai-sources>summary{align-items:center;padding-right:36px;list-style:none;display:flex;position:relative}.ai-sources>summary::-webkit-details-marker{display:none}.ai-sources>summary:after{content:"";background:var(--muted);width:20px;height:20px;transition:transform var(--motion-fast);margin-top:-10px;position:absolute;top:50%;right:0;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") 50%/contain no-repeat}.ai-sources[open]>summary:after{transform:rotate(180deg)}@media (prefers-reduced-motion:reduce){.ai-sources>summary:after{transition:none}}@media (max-width:700px){.visual-intro>.section-artwork{width:min(100%,176px);margin-top:4px}}@media (max-width:640px){.ai-category-filters{scroll-snap-type:x proximity;scrollbar-width:none;border:0;border-radius:0;flex-wrap:nowrap;max-height:none;padding:4px 0 8px;overflow:auto hidden}.ai-category-filters::-webkit-scrollbar{display:none}.ai-category-filters button{white-space:nowrap;scroll-snap-align:start;flex:none}}.ui-link.history-track-link{border-radius:var(--radius-panel);margin-bottom:12px;text-decoration:none}.history-track-link+.history-coding-title{margin-top:44px}@media (max-width:760px){:is(.learn-page,.handoff-page,.project-practice-page,.project-classes-page,.account-page):has(>.site-header:first-child){padding-top:0}.site-header.site-header{border-image:linear-gradient(var(--line), var(--line)) 0 0 100% 0 / 0 0 1px 0 / 0 100vw;flex-wrap:nowrap;gap:8px;min-height:68px;padding:12px 0}.site-header .brand-wordmark{display:none}.site-header.site-header>.site-preference{margin-left:auto;display:flex}.site-header>.theme-toggle{margin-left:0}.site-header .persona-change{justify-content:center;width:44px;height:44px;min-height:44px;padding:0}.site-header .persona-change>span{display:none}}

