.xterm{cursor:text;-webkit-user-select:none;user-select:none;position:relative}.xterm.focus,.xterm:focus{outline:none}.xterm .xterm-helpers{z-index:5;position:absolute;top:0}.xterm .xterm-helper-textarea{opacity:0;z-index:-5;white-space:nowrap;resize:none;border:0;width:0;height:0;margin:0;padding:0;position:absolute;top:0;left:-9999em;overflow:hidden}.xterm .composition-view{color:#fff;white-space:nowrap;z-index:1;background:#000;display:none;position:absolute}.xterm .composition-view.active{display:block}.xterm .xterm-viewport{cursor:default;background-color:#000;position:absolute;inset:0;overflow-y:scroll}.xterm .xterm-screen{position:relative}.xterm .xterm-screen canvas{position:absolute;top:0;left:0}.xterm-char-measure-element{visibility:hidden;line-height:normal;display:inline-block;position:absolute;top:0;left:-9999em}.xterm.enable-mouse-events{cursor:default}.xterm.xterm-cursor-pointer,.xterm .xterm-cursor-pointer{cursor:pointer}.xterm.column-select.focus{cursor:crosshair}.xterm .xterm-accessibility:not(.debug),.xterm .xterm-message{z-index:10;color:#0000;pointer-events:none;position:absolute;inset:0}.xterm .xterm-accessibility-tree:not(.debug) ::selection{color:#0000}.xterm .xterm-accessibility-tree{-webkit-user-select:text;user-select:text;white-space:pre;font-family:monospace}.xterm .xterm-accessibility-tree>div{transform-origin:0;width:fit-content}.xterm .live-region{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.xterm-dim{opacity:1!important}.xterm-underline-1{text-decoration:underline}.xterm-underline-2{-webkit-text-decoration:underline double;text-decoration:underline double}.xterm-underline-3{-webkit-text-decoration:underline wavy;text-decoration:underline wavy}.xterm-underline-4{-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.xterm-underline-5{-webkit-text-decoration:underline dashed;text-decoration:underline dashed}.xterm-overline{text-decoration:overline}.xterm-overline.xterm-underline-1{text-decoration:underline overline}.xterm-overline.xterm-underline-2{-webkit-text-decoration:overline double underline;text-decoration:overline double underline}.xterm-overline.xterm-underline-3{-webkit-text-decoration:overline wavy underline;text-decoration:overline wavy underline}.xterm-overline.xterm-underline-4{-webkit-text-decoration:overline dotted underline;text-decoration:overline dotted underline}.xterm-overline.xterm-underline-5{-webkit-text-decoration:overline dashed underline;text-decoration:overline dashed underline}.xterm-strikethrough{text-decoration:line-through}.xterm-screen .xterm-decoration-container .xterm-decoration{z-index:6;position:absolute}.xterm-screen .xterm-decoration-container .xterm-decoration.xterm-decoration-top-layer{z-index:7}.xterm-decoration-overview-ruler{z-index:8;pointer-events:none;position:absolute;top:0;right:0}.xterm-decoration-top{z-index:2;position:relative}.xterm .xterm-scrollable-element>.scrollbar{cursor:default}.xterm .xterm-scrollable-element>.scrollbar>.scra{cursor:pointer;font-size:11px!important}.xterm .xterm-scrollable-element>.visible{opacity:1;z-index:11;background:0 0;transition:opacity .1s linear}.xterm .xterm-scrollable-element>.invisible{opacity:0;pointer-events:none}.xterm .xterm-scrollable-element>.invisible.fade{transition:opacity .8s linear}.xterm .xterm-scrollable-element>.shadow{display:none;position:absolute}.xterm .xterm-scrollable-element>.shadow.top{width:100%;height:3px;box-shadow:var(--vscode-scrollbar-shadow,#000) 0 6px 6px -6px inset;display:block;top:0;left:3px}.xterm .xterm-scrollable-element>.shadow.left{width:3px;height:100%;box-shadow:var(--vscode-scrollbar-shadow,#000) 6px 0 6px -6px inset;display:block;top:3px;left:0}.xterm .xterm-scrollable-element>.shadow.top-left-corner{width:3px;height:3px;display:block;top:0;left:0}.xterm .xterm-scrollable-element>.shadow.top.left{box-shadow:var(--vscode-scrollbar-shadow,#000) 6px 0 6px -6px inset}
:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#090e14;--surface:#101820;--border:#24313c;--text:#edf3f7;--muted:#a0afbd;--green:#b8f777;--purple:#c4b5fd}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.65}button,a,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.65}a{color:inherit;text-decoration:none}button,a,summary{outline-offset:5px}:focus-visible{outline:2px solid var(--green)}::selection{color:#101820;background:#b8f777}h1,h2,h3,p{margin-top:0}h2,h3{line-height:1.35}p{color:var(--muted)}svg{flex-shrink:0}.accent{color:var(--green)}.app-shell{min-height:100vh;display:flex}.skip-link{z-index:100;background:var(--green);color:var(--bg);padding:10px 18px;position:fixed;top:10px;left:10px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.sidebar{border-right:1px solid var(--border);background:#0c1219;flex-direction:column;flex-shrink:0;width:260px;height:100vh;padding:32px 20px 24px;display:flex;position:sticky;top:0;overflow-y:auto}.brand{letter-spacing:-.8px;align-items:center;gap:11px;padding:0 10px;font-size:23px;font-weight:800;display:flex}.brand-icon,.avatar{color:#14210d;background:#b8f777;border-radius:12px;flex-shrink:0;place-items:center;width:39px;height:39px;display:grid}.workspace-label{letter-spacing:1.7px;color:var(--muted);margin:48px 12px 18px;font-size:10px}.sidebar-section{align-items:center;gap:10px;padding:0 12px;font-size:13px;font-weight:650;display:flex}.lesson-navigation{gap:8px;margin-top:20px;display:grid}.lesson-link{width:100%;color:var(--muted);text-align:left;background:0 0;border:1px solid #0000;border-radius:10px;align-items:center;gap:10px;padding:13px 10px;font-size:12px;display:flex}.lesson-link>span:nth-child(2){flex:1}.lesson-link:hover{color:var(--text);background:#151e27}.lesson-link.active{color:var(--green);background:#17231c;border-color:#304333}.lesson-number{border:1px solid var(--border);border-radius:7px;place-items:center;width:26px;height:26px;font-size:10px;display:grid}.sidebar-progress{margin-top:auto;padding:36px 12px 25px;font-size:12px}.icon-label{align-items:center;gap:9px;display:inline-flex}.sidebar-progress .icon-label{color:var(--green)}progress{width:100%;height:6px;accent-color:var(--green);background:#22302a;border:0;border-radius:20px;margin:16px 0 7px;overflow:hidden}progress::-webkit-progress-bar{background:#22302a}progress::-webkit-progress-value{background:var(--green)}progress::-moz-progress-bar{background:var(--green)}.sidebar-progress p{margin-bottom:0}.sidebar-progress small,.sidebar-footer small{color:var(--muted)}.sidebar-footer{border-top:1px solid var(--border);align-items:center;gap:11px;padding:22px 6px 0;display:flex}.avatar{color:#e0d5ff;background:#29243c;font-weight:700}.sidebar-footer strong,.sidebar-footer small{font-size:11px;display:block}.main{width:100%;min-width:0;max-width:1500px;margin:0 auto;padding:0 48px 70px}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;min-height:85px;display:flex}.breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;display:flex}.breadcrumb span{color:var(--text)}.pill,.offline-badge{border:1px solid var(--border);letter-spacing:1px;white-space:nowrap;color:var(--muted);border-radius:999px;padding:5px 10px;font-size:10px}.hero{justify-content:space-between;align-items:center;gap:28px;padding:55px 0 44px;display:flex}.hero>div:first-child{max-width:660px}.eyebrow{letter-spacing:1.8px;font-size:10px;font-weight:750}h1{letter-spacing:-2.8px;margin:14px 0 18px;font-size:clamp(36px,4.5vw,62px);font-weight:750;line-height:1.05}.hero p{max-width:560px;margin-bottom:22px;font-size:15px}.lesson-meta{flex-wrap:wrap;gap:20px;font-size:11px;display:flex}.lesson-meta span+span:before{content:"·";color:var(--muted);margin-right:20px}.hero-art{flex-shrink:0;place-items:center;width:170px;height:170px;display:grid;position:relative}.orbit{border:1px solid #2b3d31;border-radius:50%;position:absolute}.orbit-one{width:164px;height:164px}.orbit-two{border-style:dashed;width:125px;height:125px}.hero-terminal{width:82px;height:82px;color:var(--green);background:#1c2d20;border:1px solid #49663a;border-radius:23px;place-items:center;display:grid;transform:rotate(-8deg);box-shadow:0 0 65px #b8f77712}.orbit-dot{background:var(--green);border-radius:50%;width:11px;height:11px;position:absolute;top:28px;right:18px;box-shadow:0 0 18px #b8f77770}.content-layout{grid-template-columns:minmax(0,1fr) 245px;align-items:start;gap:30px;display:grid}.lesson-content{gap:25px;min-width:0;display:grid}.note{padding:5px 0}.note h2{letter-spacing:-.6px;margin-bottom:13px;font-size:23px}.note p{white-space:pre-line;margin-bottom:0}.code-card,.lab-card,.quiz-card,.mission-card,.completion-card{border:1px solid var(--border);background:var(--surface);border-radius:16px;overflow:hidden}.panel-heading{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;font-size:12px;display:flex}.panel-heading .eyebrow{color:var(--muted)}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#0b1217;margin:0;padding:22px}code{color:var(--green);font-family:SFMono-Regular,Consolas,monospace;font-size:13px}.code-caption{margin:0;padding:15px 20px;font-size:12px}.tip{background:#1a1727;border:1px solid #3a3153;border-radius:13px;align-items:flex-start;gap:13px;padding:21px;display:flex}.tip>svg{color:var(--purple);margin-top:3px}.tip h3{color:#e0d5ff;margin-bottom:7px;font-size:14px}.tip p{color:#b9b0ce;margin-bottom:0;font-size:13px}.lab-card{background:#090f13;border-color:#0000}.lab-card .panel-heading{background:#152119}.terminal-placeholder{text-align:center;background-color:#090f13;background-image:radial-gradient(#26392c 1px,#0000 1px);background-size:20px 20px;flex-direction:column;align-items:center;padding:36px 24px;display:flex}.terminal-symbol{width:55px;height:55px;color:var(--green);background:#17241b;border:1px solid #324738;border-radius:15px;place-items:center;margin-bottom:15px;display:grid}.terminal-placeholder h3{margin-bottom:6px;font-size:17px}.terminal-placeholder p{max-width:330px;font-size:12px}.primary-button,.secondary-button{border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:8px;padding:10px 15px;font-size:12px;font-weight:700;display:inline-flex}.primary-button{background:var(--green);color:#15210d}.primary-button:hover:not(:disabled){background:#cefaa4}.secondary-button{color:#c1d8c7;background:#18231e;border-color:#334b3a}.lab-instructions{padding:21px}.lab-instructions .eyebrow{color:var(--green)}.lab-instructions p{margin:9px 0 15px;font-size:13px}details{border-top:1px solid var(--border);padding-top:12px}summary{cursor:pointer;color:var(--green);font-size:12px}details p{overflow-wrap:anywhere}.quiz-card{padding:23px}.quiz-card>.eyebrow{color:var(--purple)}.quiz-card h3{margin:11px 0 18px;font-size:18px}.quiz-options{gap:9px;display:grid}.quiz-option{text-align:left;color:var(--text);border:1px solid var(--border);background:#0c131a;border-radius:10px;align-items:center;gap:12px;padding:12px;font-size:13px;display:flex}.quiz-option:hover{border-color:#60764d}.quiz-option.selected{border-color:var(--green);background:#1b291e}.quiz-option>svg{color:var(--green);margin-left:auto}.option-letter{border:1px solid var(--border);width:25px;height:25px;color:var(--muted);border-radius:6px;place-items:center;font-size:10px;display:grid}.quiz-feedback{min-height:20px;margin:15px 0 0;font-size:12px}.mission-card{padding:24px;position:sticky;top:25px}.mission-icon{width:45px;height:45px;color:var(--purple);background:#272138;border-radius:13px;place-items:center;margin-bottom:23px;display:grid}.mission-card>.eyebrow{color:var(--muted)}.mission-card h2{letter-spacing:-.9px;margin:12px 0;font-size:26px}.mission-card p,.mission-card li{font-size:12px}.mission-card ol{margin:20px 0 26px;padding-left:20px}.mission-card li{margin-bottom:15px;padding-left:6px}.mission-card li::marker{color:var(--green);font-weight:700}.mission-note{border-top:1px solid var(--border);color:var(--muted);padding-top:18px;font-size:11px}.completion-card{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:23px;display:flex}.completion-card h3{margin-bottom:5px;font-size:16px}.completion-card p{margin-bottom:0;font-size:12px}.completion-card .save-notice{width:100%;color:var(--green)}.save-notice:empty{display:none}@media (max-width:1150px){.main{padding-inline:30px}.content-layout{grid-template-columns:minmax(0,1fr)}.mission-card{grid-row:1;position:static}.mission-card h2 br{display:none}.mission-card ol{margin-bottom:0}.mission-card .mission-note,.mission-icon{display:none}.hero-art{width:140px}}@media (max-width:760px){.app-shell{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--border);width:100%;height:auto;padding:20px;position:static}.brand{padding:0}.workspace-label,.sidebar-section,.sidebar-footer{display:none}.lesson-navigation{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-link{font-size:11px}.lesson-link>svg{display:none}.sidebar-progress{padding:20px 0 0}.sidebar-progress progress{margin-top:10px}.main{padding:0 20px 40px}.topbar{min-height:65px}.topbar .pill{display:none}.hero{padding:34px 0}.hero-art{display:none}h1{letter-spacing:-1.8px}.lesson-meta{gap:10px}.lesson-meta span+span:before{margin-right:10px}.content-layout{gap:23px}}@media (prefers-reduced-motion:no-preference){button{transition:background-color .15s,border-color .15s}}.live-lab{min-width:0}.terminal-controls{border-bottom:1px solid var(--border);background:#101a15;align-items:flex-end;gap:12px;padding:18px 20px;display:flex}.terminal-code{flex:1;gap:7px;min-width:0;display:grid}.terminal-code>span{color:var(--muted);font-size:11px;font-weight:650}.terminal-code input{width:100%;min-width:0;color:var(--text);font:inherit;background:#090f13;border:1px solid #344738;border-radius:9px;padding:11px 12px;font-size:12px}.terminal-code input::placeholder{color:#92a196}.terminal-code input:disabled{opacity:.6}.terminal-window{background:#090f13;padding:14px;position:relative}.terminal-screen{min-width:0;height:500px}.terminal-screen .xterm{height:100%}.terminal-empty{text-align:center;pointer-events:none;place-content:center;margin:0;padding:24px;font-size:13px;display:grid;position:absolute;inset:0}.terminal-status{border-top:1px solid var(--border);color:#bfd3c2;background:#101a15;margin:0;padding:12px 20px;font-size:12px}@media (max-width:600px){.terminal-controls{flex-direction:column;align-items:stretch}.terminal-screen{height:400px}.terminal-window{padding:10px}}.login-shell{place-items:center;min-height:100svh;padding:24px;display:grid}.login-card{width:100%;max-width:410px;padding:30px}.login-card .brand{padding:0}.login-card h1{letter-spacing:-1.2px;margin:28px 0 12px;font-size:32px}.login-card>p{font-size:13px}.login-form{gap:16px;margin-top:24px;display:grid}.login-form .quiz-feedback{color:var(--purple);margin:0}.workspace-shell{background:var(--bg)}.workspace-shell .main{max-width:1080px}.workspace-shell .sidebar-footer{margin-top:auto}.workspace-shell .hero{padding:44px 0 32px}.workspace-shell .hero p{margin-bottom:0}.workspace-shell h1{letter-spacing:-1.2px;margin:0 0 12px;font-size:clamp(28px,4vw,40px);line-height:1.15}.overview-stats{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:24px 56px;margin:0;padding-bottom:28px;display:flex}.overview-stats dt{color:var(--muted);font-size:12px}.overview-stats dd{margin:6px 0 0;font-size:30px;font-weight:700;line-height:1.2}.overview-info{color:var(--muted);margin:16px 0 32px;font-size:12px}.next-step{gap:24px;margin-bottom:40px;padding:26px}.next-step .eyebrow{color:var(--muted)}.next-step h2{margin:10px 0 8px;font-size:20px}.next-step p{margin:0;font-size:13px}.overview-section>h2{margin-bottom:18px;font-size:18px}.certificate-list,.path-grid{gap:14px;margin:0;padding:0;list-style:none;display:grid}.certificate-row{align-items:center;gap:14px;padding:18px 22px;display:flex}.certificate-row>svg{color:var(--purple)}.certificate-row strong{font-size:13px;display:block}.certificate-row small{color:var(--muted);margin-top:3px;font-size:12px;display:block}.path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.path-card{height:100%;padding:26px;display:block}.path-title{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.path-title h2{margin:0;font-size:19px}.path-title>svg{color:var(--muted);margin-top:4px}.path-card>p{margin:12px 0 24px;font-size:12px}.path-tags{flex-wrap:wrap;gap:8px;display:flex}.path-tags .pill{letter-spacing:0;font-size:11px}.path-title h2,.certificate-row strong,.next-step h2{overflow-wrap:anywhere}.path-card:hover,.certificate-row:hover{border-color:#48613d}@media (max-width:1000px){.path-grid{grid-template-columns:minmax(0,1fr)}}@media (max-width:760px){.workspace-shell .hero{padding:32px 0 28px}.next-step,.path-card{padding:22px}}.terminal-screen .xterm-viewport{overflow-x:hidden!important}.homework-form{gap:10px;margin:20px 0;display:grid}.homework-form label{color:var(--text);font-size:13px;font-weight:650}.homework-form input[type=file]{border:1px solid var(--border);background:var(--bg);width:100%;min-width:0;color:var(--muted);font:inherit;border-radius:9px;padding:10px;font-size:12px}.homework-form input::file-selector-button{color:#c1d8c7;cursor:pointer;background:#18231e;border:1px solid #334b3a;border-radius:6px;margin-right:12px;padding:7px 10px}.homework-form small{color:var(--muted)}.homework-form .primary-button{justify-self:start}.homework-card .homework-best strong,.homework-card .homework-summary strong{color:var(--green)}.homework-card .homework-error{color:#ff8b8b}.homework-results{gap:10px;margin:18px 0 0;padding:0;list-style:none;display:grid}.homework-test{border:1px solid var(--border);background:#0c131a;border-radius:10px;padding:14px}.homework-test[data-passed=true]{border-color:#344738}.homework-test-heading{align-items:center;gap:10px;font-size:12px;display:flex}.homework-test-heading>span{flex:1}.homework-test-heading small{white-space:nowrap}.homework-test[data-passed=true] svg{color:var(--green)}.homework-test[data-passed=false] svg{color:#ff8b8b}.homework-test details,.homework-diagnostics{margin-top:12px}.homework-card pre{max-height:220px;margin-top:10px;padding:12px;font-size:12px;overflow:auto}.homework-path-card,.homework-question{border:1px solid var(--border);background:var(--surface);border-radius:16px}.homework-list{gap:16px;display:grid}.homework-question{padding-top:0;overflow:hidden}.homework-question-heading{color:var(--text);justify-content:space-between;align-items:center;gap:18px;padding:20px 24px;display:flex}.homework-question-heading strong{font-size:15px;display:block}.homework-question-heading small{color:var(--muted);margin-top:4px;font-size:12px;display:block}.homework-best{color:var(--green);white-space:nowrap;font-size:12px}.homework-question[open]>summary{border-bottom:1px solid var(--border)}.homework-question-body{padding:24px}.homework-objective{white-space:pre-line}.homework-upload{gap:12px;margin:24px 0;display:grid}.homework-upload label{font-size:13px;font-weight:700}.homework-upload input{border:1px dashed var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:10px;padding:14px}.homework-upload small{color:var(--muted)}.homework-upload button{justify-self:start}.homework-error,.test-fail{color:#ff8b8b}.homework-error:empty{display:none}.test-pass{color:var(--green)}.submission-list,.homework-results{gap:12px;margin:18px 0;padding:0;list-style:none;display:grid}.submission-row{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);text-align:left;cursor:pointer;border-radius:10px;justify-content:space-between;align-items:center;gap:16px;padding:14px;transition:border-color .15s,background-color .15s;display:flex}.submission-row:hover{border-color:var(--green);background:#151e27}.submission-row[aria-pressed=true]{border-color:var(--green);background:#b8f7770f}.submission-row small{color:var(--muted);font-size:11px;display:block}.homework-question>summary{cursor:pointer;transition:background-color .15s}.homework-question>summary:hover{background:#151e27}.homework-results details>summary{cursor:pointer}.homework-results details>summary:hover{opacity:.85}.submission-detail{border-top:1px solid var(--border);margin-top:28px;padding-top:24px}.submission-detail pre{max-height:420px;margin-top:12px;overflow:auto}.homework-results p{margin:14px 0 4px;font-size:12px}@media (max-width:600px){.homework-question-heading,.submission-row{flex-direction:column;align-items:flex-start}.homework-question-body{padding:18px}}.homework-upload input::file-selector-button{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:6px;margin-right:12px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:background .15s}.homework-upload input::file-selector-button:hover{background:var(--border)}
