:root{color-scheme:light;--bg:#f4f6f7;--paper:#fff;--ink:#20252a;--muted:#626d76;--line:#dce2e6;--red:#bd3342;--teal:#14746b;--blue:#226d9c;--good:#16704c;--bad:#a82e3f;--terminal:#1c2227;--radius:6px}
*{box-sizing:border-box}body{margin:0;font-family:"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;letter-spacing:0}button,input,textarea,select{font:inherit}button,a,label.button{touch-action:manipulation}button,.button{cursor:pointer}button,.button{display:inline-flex;gap:8px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:5px;background:white;color:var(--ink);padding:9px 14px;font-size:14px;font-weight:600;text-decoration:none}button:hover,.button:hover{background:#eef2f3;border-color:#abb7bf}button:disabled{opacity:.45;cursor:default}.primary{background:var(--teal);color:white;border-color:var(--teal)}.primary:hover{background:#0d5c55;color:white}.danger{color:var(--bad)}a{color:var(--blue);text-underline-offset:3px}svg{width:18px;height:18px;flex-shrink:0}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #358bc3;outline-offset:3px}.icon{padding:9px;width:38px;height:38px;flex-shrink:0}.skip{position:absolute;top:-60px;left:12px;z-index:90;background:white;padding:12px}.skip:focus{top:12px}
.topbar{height:72px;position:sticky;top:0;z-index:20;background:white;border-bottom:1px solid var(--line);padding:0 26px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;font-size:20px;line-height:1.2}.brand small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.brand-mark{width:40px;height:40px;background:var(--red);color:white;display:grid;place-items:center;font-size:25px;font-weight:700;border-radius:5px}.toplinks{display:flex;align-items:center;gap:20px}.toplinks a{font-size:13px;display:flex;align-items:center;gap:5px;text-decoration:none;color:var(--muted)}.mobile-menu{display:none}.shell{display:grid;grid-template-columns:278px minmax(0,1fr)}aside{height:calc(100vh - 72px);overflow:auto;position:sticky;top:72px;border-right:1px solid var(--line);background:white;padding:24px 17px}.progress-area{padding:0 9px 21px;border-bottom:1px solid var(--line);margin-bottom:18px}.progress-area>div{display:flex;align-items:baseline;gap:10px}.progress-area strong{font-size:23px}.progress-area span,.progress-area small{font-size:11px;color:var(--muted)}progress{height:6px;width:100%;display:block;margin:10px 0;border:0;border-radius:4px;overflow:hidden;background:#e5e9eb}progress::-webkit-progress-bar{background:#e5e9eb}progress::-webkit-progress-value{background:var(--teal)}progress::-moz-progress-bar{background:var(--teal)}nav button{justify-content:flex-start;width:100%;border:0;background:none;text-align:left;font-weight:500;padding:9px 10px}nav button.active{background:#e9f3f1;color:#115d55;font-weight:650}.search{display:flex;gap:8px;align-items:center;padding:8px 10px;margin:20px 0 14px;border:1px solid var(--line);border-radius:5px;color:var(--muted)}.search input{width:100%;min-width:0;border:0;outline:none;font-size:12px;background:none}.module-heading{font-size:11px;color:var(--muted);margin:18px 10px 6px;text-transform:uppercase;font-weight:700;letter-spacing:0}.lesson-nav{font-size:12px;line-height:1.45;gap:9px;padding:8px 10px}.lesson-num{font-size:11px;color:var(--muted);min-width:20px}.lesson-nav svg{width:14px;margin-left:auto;color:var(--good)}.offline{font-size:10px;color:var(--muted);display:flex;gap:7px;align-items:center;margin:25px 10px 0}.offline span{width:6px;height:6px;background:var(--teal);border-radius:50%}main{padding:32px 38px 64px;min-width:0;max-width:1640px;width:100%;margin:auto}h1,h2,h3,p{margin-top:0}h1{font-size:32px;line-height:1.2;margin-bottom:14px}h2{font-size:23px;line-height:1.35}h3{font-size:17px;line-height:1.45}p{margin-bottom:16px}.eyebrow{font-size:11px;text-transform:uppercase;font-weight:700;color:var(--red);margin-bottom:10px}.muted,.small{color:var(--muted)}.small{font-size:12px}.page-title{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}.page-title p{font-size:14px;max-width:720px;color:var(--muted);margin-bottom:0}.page-title .controls{flex-shrink:0}.home-banner{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:30px;padding-bottom:30px;border-bottom:1px solid var(--line);margin-bottom:28px}.home-banner img{width:100%;height:180px;object-fit:cover;border-radius:6px}.home-banner p{max-width:650px;color:var(--muted);font-size:15px}.home-banner h1{max-width:650px}.controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.metrics{display:flex;gap:40px;margin:24px 0 30px;flex-wrap:wrap}.metrics strong{font-size:24px;display:block}.metrics span{font-size:12px;color:var(--muted)}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.module-card{border:1px solid var(--line);border-radius:6px;padding:21px;background:white;display:flex;flex-direction:column;min-width:0}.module-card h3{margin:10px 0}.module-card p{font-size:13px;color:var(--muted);flex:1}.module-card .meta{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}.module-card button{align-self:flex-start}.module-card .number{color:var(--red);font-weight:700}.callout{padding:16px 18px;border-left:3px solid var(--blue);background:#eaf2f7;margin:20px 0;font-size:14px}.callout.warning{border-color:var(--red);background:#fcf0f1}.callout.success{border-color:var(--good);background:#eaf5ef}.callout p:last-child{margin-bottom:0}.tabs{display:flex;gap:24px;overflow:auto;border-bottom:1px solid var(--line);margin:0 0 28px}.tabs button{background:none;border:0;border-radius:0;border-bottom:3px solid transparent;padding:12px 1px;white-space:nowrap}.tabs button.active{border-color:var(--teal);color:var(--teal)}.lesson-content{max-width:850px}.lesson-content section{margin-bottom:28px}.lesson-content p,.lesson-content li{font-size:15px}.lesson-content ul{padding-left:22px}.lesson-content pre,.reference pre{background:#242a30;color:#e8edf0;border-radius:5px;padding:18px;overflow:auto;font-size:13px;line-height:1.7}code,pre,textarea.editor,.terminal-output,.prompt{font-family:Consolas,"Cascadia Code",monospace}p code,li code,td code{background:#e7ecef;padding:2px 4px;border-radius:3px;font-size:.9em}.lesson-footer{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;display:flex;gap:15px;align-items:center}.quiz{max-width:900px}.question{padding:22px 0;border-bottom:1px solid var(--line)}.question legend{font-weight:600;margin-bottom:12px}.question fieldset{border:0;padding:0;margin:0;min-width:0}.option{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border:1px solid var(--line);background:white;border-radius:5px;margin:8px 0;cursor:pointer;font-size:14px}.option:has(input:checked){border-color:var(--teal);background:#eff7f5}.option input{margin-top:5px;accent-color:var(--teal)}.feedback{padding:12px;margin-top:12px;background:#fceef0;border-left:3px solid var(--red);font-size:13px}.feedback.correct{background:#eaf5ef;border-color:var(--good)}.quiz-result{font-weight:600;margin:22px 0}
.lab-intro{display:grid;grid-template-columns:1fr 290px;gap:24px;margin-bottom:20px}.lab-intro p{font-size:14px}.lab-intro h3{margin-bottom:8px}.objectives{margin:0;padding:0;list-style:none}.objectives li{display:flex;gap:8px;align-items:flex-start;font-size:12px;padding:5px 0}.objectives svg{width:15px;height:15px;margin-top:3px}.objectives .pass{color:var(--good)}.lab-toolbar{display:flex;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}.lab-toolbar button{font-size:12px;padding:7px 10px}.workbench{border:1px solid #bfc9cf;border-radius:6px;overflow:hidden;background:white}.workspace{display:grid;grid-template-columns:185px minmax(0,1fr);height:340px}.files{background:#f0f3f4;overflow:auto;border-right:1px solid var(--line);padding:12px 7px}.files button{display:flex;justify-content:flex-start;white-space:normal;overflow-wrap:anywhere;font-family:Consolas,monospace;font-size:11px;width:100%;border:0;background:none;padding:7px 6px;text-align:left}.files button.selected{background:#dce8e5;color:#0e6057}.files .file-controls{display:flex;gap:4px;padding:4px}.file-controls button{width:30px;height:28px;justify-content:center}.edit-pane{display:flex;flex-direction:column;min-width:0}.file-title{display:flex;justify-content:space-between;align-items:center;min-height:38px;font-size:11px;border-bottom:1px solid var(--line);padding:7px 13px;gap:12px}.file-title span{overflow-wrap:anywhere}.file-title small{color:var(--muted)}.editor{border:0;outline:none!important;resize:none;flex:1;width:100%;min-height:0;padding:15px 18px;line-height:1.65;font-size:13px;color:#263f51;background:#fff;tab-size:2;white-space:pre;overflow:auto}.terminal{background:var(--terminal);color:#d9e3e8;border-top:1px solid #333f48}.terminal-head{display:flex;justify-content:space-between;align-items:center;padding:8px 14px;border-bottom:1px solid #364049;color:#c7d4da;font-size:11px}.terminal-head button{background:transparent;color:#c7d4da;border:0;width:25px;height:25px;padding:3px}.terminal-output{height:225px;overflow:auto;padding:12px 15px;font-size:12px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.terminal-output .command{color:#86d7c1}.terminal-output .error{color:#ff9eac}.terminal-output .success{color:#a5dcb7}.prompt{display:flex;align-items:center;gap:9px;border-top:1px solid #364049;padding:10px 14px;font-size:12px}.prompt label{color:#86d7c1}.prompt input{flex:1;min-width:0;background:none;border:0;color:white;font-family:inherit;font-size:12px;outline:none}.prompt button{background:none;border:0;color:#86d7c1;padding:2px}.state-panel{margin-top:20px}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px;background:white}th,td{padding:10px 13px;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}th{font-size:11px;color:var(--muted);background:#eaf0f2}table code{font-size:11px}.table-scroll{overflow:auto}.hint{margin:14px 0;padding:14px 18px;background:#fff6df;border-left:3px solid #b57d19;font-size:13px}.solution{margin:16px 0;background:white;border:1px solid var(--line);padding:14px}.solution summary{cursor:pointer;font-weight:600;font-size:13px}.solution p{font-size:13px}.lab-status{margin-top:14px}.lab-status p{margin-bottom:0}.reference{max-width:1000px}.reference details{margin:12px 0;background:white;padding:17px 20px;border:1px solid var(--line);border-radius:5px}.reference summary{cursor:pointer;font-weight:650}.reference p{font-size:14px;margin-top:12px}.reference dl{display:grid;grid-template-columns:180px 1fr;gap:12px;margin:15px 0;font-size:13px}.reference dt{font-weight:650}.reference dd{margin:0}.notes{width:100%;min-height:55vh;border:1px solid var(--line);border-radius:5px;padding:20px;background:white;resize:vertical}.note-state{font-size:12px;color:var(--muted)}.roadmap{display:flex;gap:8px;font-size:12px;flex-wrap:wrap;margin-bottom:26px}.roadmap span{padding:5px 9px;background:#e7ecef}.roadmap span.done{color:var(--good);background:#e1f0e8}dialog{max-width:540px;width:calc(100% - 32px);border:1px solid var(--line);border-radius:8px;padding:24px;color:var(--ink)}dialog::backdrop{background:#141d2480}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.dialog-head h2{margin:0}.settings-actions{display:flex;gap:10px;flex-wrap:wrap}dialog p{font-size:14px;margin-top:18px}.hidden{display:none!important}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:99;background:#263139;color:white;border-radius:5px;max-width:calc(100% - 24px);padding:11px 20px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .15s}#toast.visible{opacity:1}.completion{padding:18px;background:#eaf5ef;border-left:3px solid var(--good);margin:24px 0}.completion p{margin:0;font-size:14px}
@media(min-width:1450px){.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.home-banner{grid-template-columns:minmax(0,1fr) 310px}.home-banner img{height:195px}}
@media(max-width:1100px){main{padding:27px 24px}.shell{grid-template-columns:245px minmax(0,1fr)}.home-banner{grid-template-columns:minmax(0,1fr)}.home-banner img{display:none}.lab-intro{grid-template-columns:1fr}.workspace{grid-template-columns:150px 1fr}.page-title{flex-wrap:wrap}}
@media(max-width:760px){.topbar{height:64px;padding:0 14px}.brand{font-size:17px}.brand-mark{height:34px;width:34px;font-size:22px}.brand small{font-size:10px}.toplinks a{display:none}.mobile-menu{display:flex}.shell{display:block}aside{display:none;position:fixed;top:64px;left:0;width:278px;max-width:90vw;height:calc(100dvh - 64px);z-index:19;box-shadow:15px 0 30px #20252a25}aside.open{display:block}main{padding:23px 16px 45px}h1{font-size:27px}h2{font-size:21px}.course-grid{grid-template-columns:1fr}.metrics{gap:22px}.metrics strong{font-size:21px}.tabs{gap:22px;margin-bottom:22px}.page-title{gap:15px}.workspace{grid-template-columns:1fr;height:390px}.files{display:flex;max-height:100px;border-right:0;border-bottom:1px solid var(--line);overflow:auto;align-items:flex-start}.files button{width:auto;white-space:nowrap;max-width:none;flex-shrink:0}.file-controls{flex-shrink:0}.edit-pane{min-height:280px}.lab-toolbar{justify-content:flex-start}.terminal-output{height:230px}.reference dl{grid-template-columns:1fr;gap:6px}.reference dd{margin-bottom:10px}.home-banner{padding-bottom:22px;gap:10px}.prompt{padding:10px}.lesson-footer{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Ajouts du moteur commun : missions réelles, portail. */
.home-banner.plain{grid-template-columns:minmax(0,1fr)}.brand-mark.teal{background:var(--teal)}.brand-mark.blue{background:var(--blue)}.brand-mark.green{background:var(--good)}.brand-mark.red{background:var(--red)}
.files{display:flex;flex-direction:column}.files .file-controls{margin-top:auto}
.terminal-output{height:300px}.prompt label{white-space:nowrap}
.mission .steps{padding-left:22px}.mission .steps li{margin-bottom:18px}.mission .steps p{margin-bottom:8px}
.copyable{position:relative}.copyable pre{margin:0 0 6px;padding-right:52px;white-space:pre;overflow:auto}.copy{position:absolute;top:8px;right:8px;width:32px;height:32px;padding:6px;background:#39424a;border-color:#4a555e;color:#e8edf0}.copy:hover{background:#4a555e;border-color:#66727c}
.proof-label{display:block;font-weight:600;font-size:14px;margin:26px 0 8px}.notes.proof{min-height:150px;font-family:Consolas,"Cascadia Code",monospace;font-size:13px}
.option.check{margin:0;font-weight:600}.callout.success button{margin-top:12px}
.portal{max-width:1180px;margin:auto;padding:40px 24px 70px}.portal header{margin-bottom:34px}.portal header p{max-width:720px;color:var(--muted);font-size:16px}
.track{margin:34px 0 14px;font-size:12px;text-transform:uppercase;font-weight:700;color:var(--muted)}
.portal .course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.portal .module-card a.button{align-self:flex-start}.module-card.soon{background:#f8fafb;border-style:dashed}.module-card.soon h3,.module-card.soon p{color:var(--muted)}
.module-card progress{margin:4px 0 14px}.pill{font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px;background:#e7ecef;color:var(--muted)}.pill.live{background:#e1f0e8;color:var(--good)}
.portal footer{margin-top:44px;font-size:12px;color:var(--muted)}
@media(max-width:1000px){.portal .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.portal .course-grid{grid-template-columns:1fr}.portal{padding:26px 16px 50px}}