.lab-main{max-width:1376px;padding:0 36px;margin:42px auto 65px}.lab-heading{display:flex;align-items:center;justify-content:space-between;gap:60px;margin-bottom:36px}.lab-heading h1{font-size:clamp(38px,4.4vw,58px);letter-spacing:-2.5px;line-height:1.08;margin:16px 0}.lab-heading h1 em{font-style:normal;color:var(--accent)}.lab-heading>div>p:not(.eyebrow){max-width:590px;font-size:14px;line-height:1.8;color:var(--muted)}.lab-heading-note{max-width:270px;border-left:1px solid var(--line);padding-left:26px;font-size:12px}.lab-heading-note p{font-size:12px!important;line-height:1.8!important}.lab-heading-note a{font-size:11px;font-weight:600}.lab-dot{display:inline-block;background:#478167;width:7px;height:7px;border-radius:50%;margin-right:8px}.lab-shell{display:grid;grid-template-columns:230px minmax(0,1fr);border:1px solid var(--line);border-radius:10px;background:white;overflow:hidden}.lab-sidebar{background:#f4f5f8;border-right:1px solid var(--line);padding:25px 15px;min-width:0}.lab-path-title{padding:0 8px 17px}.lab-path-title .eyebrow{font-size:8px;letter-spacing:1px}.lab-path-title strong{font-size:14px}.lab-path-title progress{display:block;width:100%;height:5px;margin:13px 0;accent-color:#426baa}.lab-path-title small{font-size:10px;line-height:1.7;color:var(--muted);display:block}.lab-sidebar nav{display:grid;gap:4px}.lab-sidebar nav button{background:transparent;border:1px solid transparent;text-align:left;border-radius:5px;padding:11px 8px;font-size:11px;line-height:1.6;display:flex;justify-content:space-between;gap:7px;width:100%;align-items:center}.lab-sidebar nav button:hover{background:#e9edf6}.lab-sidebar nav button[aria-current="true"]{background:white;border-color:#b7c5e6;box-shadow:0 2px 6px #17234008}.lab-sidebar nav button span:last-child{color:#37785a;font-weight:700;font-size:13px}.lab-backups{border-top:1px solid var(--line);margin:20px 8px 0;padding-top:15px;display:grid;gap:14px}.lab-backups button,.lab-backups label,.lab-backups a{font-size:10px;border:0;background:none;text-align:left;padding:0;cursor:pointer;color:var(--muted)}.lab-mobile-picker{display:none}.lab-workspace{min-width:0}.challenge-brief{padding:27px 27px 15px}.lab-challenge-meta{display:flex;justify-content:space-between;font:10px 'Space Grotesk',monospace;color:var(--muted)}.lab-challenge-meta span:first-child{text-transform:uppercase;letter-spacing:1.3px}.challenge-brief h2{font-size:26px;margin:13px 0 12px;letter-spacing:-.7px}.challenge-brief>p{font-size:12px;line-height:1.8}.lab-contract{border-left:3px solid var(--yellow);padding-left:12px}.lab-lesson-links{display:flex;gap:6px 13px;flex-wrap:wrap}.lab-lesson-links a{font-size:10px!important}.lab-draft-state{min-height:18px;color:#4a725b!important;font-size:10px!important;margin:9px 0 0}.lab-context{padding:12px 27px;background:#edf3ff;font-size:11px;line-height:1.8}.lab-editor-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);margin:0 24px;border:1px solid #283857;border-radius:7px;overflow:hidden;background:#101b36}.lab-code-panel{min-width:0;color:#e9efff;border-right:1px solid #32425f}.lab-panel-bar{height:46px;padding:0 15px;border-bottom:1px solid #32425f;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;background:#15213c;color:#ccd7ec}.lab-panel-bar label{display:flex;align-items:center;gap:8px;font:11px ui-monospace,monospace}.file-dot{width:6px;height:6px;background:var(--yellow);border-radius:50%}.lab-panel-bar h3{margin:0;font-size:12px;color:#e9efff}.lab-panel-bar button{color:#cbd8f4;font-size:10px;background:none;border:0;padding:5px 0}.lab-panel-bar>span{font:10px ui-monospace,monospace}.lab-editor{display:flex;height:352px;min-height:250px}.lab-editor pre{flex:0 0 40px;color:#75829f;text-align:right;user-select:none;overflow:hidden;background:transparent;font:12px/1.8 ui-monospace,monospace;border-radius:0;padding:18px 9px 18px 0;margin:0;white-space:pre}.lab-editor textarea{width:100%;border:0;outline:0!important;background:transparent;color:#f2e8c5;font:12px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;resize:none;padding:18px 12px 18px 0;tab-size:4;border-radius:0;min-height:100%;min-width:0;overflow:auto}.lab-editor textarea:focus{box-shadow:inset 0 0 0 2px #7a99ff66}.lab-code-panel #editor-help{font:9px/1.6 system-ui,sans-serif;color:#a8b5d0;padding:9px 13px;margin:0;border-top:1px solid #253452}.lab-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px;border-top:1px solid #32425f}.lab-actions button{border:1px solid #576886;background:transparent;color:#d5def1;font-size:11px;border-radius:4px;padding:9px 11px}.lab-actions .lab-run{background:var(--yellow);color:#101b36;border-color:var(--yellow);font-weight:700}.lab-actions .lab-check{background:#dce8ff;color:#101b36;border-color:#dce8ff;font-weight:700}.lab-actions button:disabled{opacity:.45}.lab-actions #runtime-state{font-size:9px;color:#b4c1d9;width:100%;min-height:15px;line-height:1.6}.lab-console{min-width:0;background:#121e34;color:#d9e3f5}.lab-console-content{padding:18px;overflow:auto;max-height:510px;min-height:350px}.lab-console pre{font:12px/1.8 ui-monospace,monospace;background:transparent;color:#d9e3f5;padding:0;margin:0;border-radius:0;white-space:pre-wrap;overflow-wrap:anywhere;max-height:250px;overflow:auto;min-height:105px}.lab-console #run-feedback{font-size:12px;color:#e6edf9;line-height:1.8;white-space:pre-wrap}.lab-console #run-feedback[data-kind="passed"]{color:#a8e2bc}.lab-console #run-feedback[data-kind="error"]{color:#ffb6b0}.lab-console #check-results{padding:0;list-style:none;display:grid;gap:12px}.lab-console #check-results li{font-size:11px;line-height:1.7;color:#d1dbed;border-left:2px solid #d88c81;padding-left:10px}.lab-console #check-results li[data-passed="true"]{border-color:#82c49d}.lab-console #check-results li strong{display:block;color:#f2f6ff}.lab-console #check-results li span{display:block;white-space:pre-wrap;overflow-wrap:anywhere}.lab-console #next-challenge{border:1px solid #b5c8ee;color:#101b36;background:#dce8ff;padding:10px 15px;border-radius:4px;font-size:11px}.lab-support{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:27px}.lab-support>section{min-width:0}.lab-support h3{font-size:15px;margin:0 0 12px}.lab-support-head{display:flex;align-items:start;gap:10px;justify-content:space-between}.lab-support p,.lab-support li{font-size:11px;line-height:1.8}.lab-support button{background:white;border:1px solid var(--line);border-radius:4px;font-size:10px;padding:8px 10px}.lab-support #next-hint{white-space:nowrap}.lab-support ol{padding-left:18px}.lab-support details{border-top:1px solid var(--line);padding:13px 0;font-size:11px}.lab-support summary{cursor:pointer;line-height:1.7;font-weight:600}.lab-support pre{font-size:10px;padding:13px;line-height:1.8;max-height:280px}.lab-support textarea{display:block;width:100%;resize:vertical;border:1px solid var(--line);border-radius:4px;background:#f8f9fc;font:10px/1.8 ui-monospace,monospace;padding:10px;margin:12px 0;min-width:0}.lab-support .lab-stretch{background:#fffbed;border-radius:4px;padding:12px}.lab-runtime-note{color:#798396!important;font-size:10px!important}.lab-reset{margin-top:10px}.sr-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hero-actions{flex-wrap:wrap}.tabbar{flex-wrap:wrap}.guide-header nav{flex-wrap:wrap}
@media(max-width:1150px){.lab-shell{grid-template-columns:195px minmax(0,1fr)}.lab-editor-grid{grid-template-columns:1fr}.lab-code-panel{border-right:0;border-bottom:1px solid #32425f}.lab-console-content{min-height:190px;max-height:380px}.lab-console pre{min-height:45px}.lab-console #check-results{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-support{gap:20px}.lab-heading{gap:30px}.lab-editor{height:320px}.lab-actions #runtime-state{width:auto;flex:1;min-width:100px}.lab-editor textarea{resize:none}}
@media(max-width:700px){.lab-main{padding:0 16px;margin-top:26px}.lab-heading{display:block}.lab-heading h1{font-size:41px;letter-spacing:-1.8px}.lab-heading-note{max-width:none;border:0;padding:0;margin-top:17px}.lab-heading-note p{display:inline}.lab-heading-note a{display:block;margin-top:9px}.lab-heading-note strong{font-size:11px}.lab-shell{display:block}.lab-sidebar{border-right:0;border-bottom:1px solid var(--line);padding:15px}.lab-path-title{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;padding:0 0 12px}.lab-path-title .eyebrow{margin:0}.lab-path-title progress{grid-column:1/-1;margin:0}.lab-path-title small{grid-column:1/-1}.lab-sidebar nav{display:none}.lab-mobile-picker{display:block;font-size:10px}.lab-mobile-picker select{display:block;width:100%;margin-top:7px;background:white;border:1px solid #c7cfdf;border-radius:4px;padding:11px;font-size:12px}.lab-backups{display:flex;flex-wrap:wrap;gap:15px;margin:12px 0 0;padding-top:12px}.challenge-brief{padding:20px 16px 10px}.challenge-brief h2{font-size:22px}.lab-editor-grid{margin:0 10px}.lab-editor textarea{font-size:12px}.lab-editor pre{flex-basis:31px}.lab-panel-bar{padding:0 10px}.lab-actions{gap:6px;padding:10px}.lab-actions button{font-size:10px;padding:10px}.lab-support{display:block;padding:22px 16px}.lab-support>section+section{margin-top:25px}.lab-console #check-results{grid-template-columns:1fr}.lab-context{padding:10px 16px}.lab-heading>div>p:not(.eyebrow){font-size:12px}.lab-editor{height:310px}}