pre code.hljs{padding:1em;display:block;overflow-x:auto}code.hljs{padding:3px 5px}.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#79c0ff}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-comment,.hljs-code,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}:root{--bg:#f6f7f9;--surface:#fff;--surface-2:#f1f3f6;--border:#e3e6eb;--text:#1c2330;--muted:#667085;--accent:#4f46e5;--ok:#16a34a;--ok-bg:#ecfdf3;--ko:#dc2626;--ko-bg:#fef2f2;--review:#d97706;--review-bg:#fffbeb;--radius:14px;--shadow:0 1px 2px #1018280d, 0 1px 3px #1018280f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0f1218;--surface:#171b23;--surface-2:#1f242e;--border:#2a303c;--text:#e6e9ef;--muted:#98a2b3;--ok-bg:#0f2a1a;--ko-bg:#2d1414;--review-bg:#2d220d;--shadow:none;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:15px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}h1,h2,h3{line-height:1.25}.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}.topbar{z-index:10;background:color-mix(in srgb, var(--surface) 88%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0}.topbar__inner{justify-content:space-between;align-items:center;max-width:880px;margin:0 auto;padding:12px 20px;display:flex}.brand{color:var(--text);font-size:17px;font-weight:700}.brand__logo{margin-right:4px}.topnav{gap:4px;display:flex}.topnav a{color:var(--muted);border-radius:8px;padding:6px 12px;font-size:14px}.topnav a:hover,.topnav a.active{background:var(--surface-2);color:var(--text)}.badge{background:var(--review);color:#fff;text-align:center;border-radius:10px;min-width:20px;margin-left:4px;padding:0 6px;font-size:12px;display:inline-block}.container{max-width:880px;margin:0 auto;padding:24px 20px 80px}.hero h1{margin:8px 0 4px;font-size:30px}.hero p{color:var(--muted);margin:0 0 24px}.page-title{margin:4px 0 16px;font-size:26px}.breadcrumb{color:var(--muted);margin:16px 0 4px;font-size:13px}.eyebrow{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:20px 24px}.section-title{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 8px;font-size:13px}.row{flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;display:flex}.row--end{justify-content:flex-end}.row--between{justify-content:space-between}.empty{color:var(--muted);font-style:italic}.empty-state{text-align:center;color:var(--muted);padding:48px 0}.btn{background:var(--accent);color:#fff;border:0;border-radius:10px;align-items:center;gap:6px;padding:10px 18px;font-weight:600;transition:filter .15s,opacity .15s;display:inline-flex}.btn:hover:not(:disabled){filter:brightness(1.08)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn--small{padding:5px 12px;font-size:13px}.btn--ok{background:var(--ok)}.btn--review{background:var(--review)}.fav{color:var(--muted);background:0 0;border:0;border-radius:8px;align-items:center;gap:6px;padding:4px 6px;font-size:20px;line-height:1;display:inline-flex}.fav span{font-size:14px}.fav:hover{background:var(--surface-2)}.fav--on{color:#f5a524}.pill{background:color-mix(in srgb, var(--accent) 14%, transparent);color:var(--accent);border-radius:20px;padding:2px 10px;font-size:12px;font-weight:600}.pill--ok{background:var(--ok-bg);color:var(--ok)}.tag{border:1px solid var(--border);color:var(--muted);border-radius:6px;padding:1px 8px;font-size:11px}.progress{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin:8px 0 16px;padding:14px 18px}.progress__head{color:var(--muted);justify-content:space-between;margin-bottom:8px;font-size:13px;display:flex}.progress__head strong{color:var(--text)}.progress__track{grid-template-columns:repeat(3,1fr);gap:4px;display:grid}.progress__seg{background:var(--surface-2);border-radius:6px;height:10px;overflow:hidden}.progress__seg--empty{background:repeating-linear-gradient(-45deg, var(--surface-2) 0 6px, transparent 6px 12px);border:1px dashed var(--border)}.progress__fill{background:var(--accent);border-radius:6px;height:100%;transition:width .4s}.progress__labels{grid-template-columns:repeat(3,1fr);gap:4px;margin-top:6px;font-size:13px;font-weight:600;display:grid}.progress__labels em{color:var(--muted);font-style:normal;font-weight:400}.progress--compact{box-shadow:none;background:0 0;border:0;margin:4px 0 12px;padding:0}.progress--compact .progress__seg{height:6px}.grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;display:grid}.tech-card{background:var(--surface);border:1px solid var(--border);border-top:4px solid var(--accent);border-radius:var(--radius);color:var(--text);box-shadow:var(--shadow);padding:18px 20px 8px;transition:transform .15s,box-shadow .15s;display:block}a.tech-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #1018281a}.tech-card__head{align-items:center;gap:10px;display:flex}.tech-card__head h2{margin:0;font-size:20px}.tech-card__icon{font-size:26px}.tech-card p{margin:8px 0 14px;font-size:14px}.tech-card__stat{color:var(--muted);justify-content:space-between;font-size:13px;display:flex}.tech-card--soon{opacity:.55;border-top-color:var(--border);border-style:dashed}.banner{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--radius);color:var(--text);box-shadow:var(--shadow);align-items:center;gap:14px;margin-bottom:20px;padding:14px 18px;display:flex}.banner__cta{color:var(--accent);white-space:nowrap;margin-left:auto;font-weight:600}.banner--done{border-left-color:var(--ok)}.page-title span{margin-right:4px}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:16px;display:flex}.tabs a,.tabs button{color:var(--muted);background:0 0;border:0;border-bottom:3px solid #0000;margin-bottom:-1px;padding:10px 16px;font-weight:600}.tabs .active{color:var(--text);border-bottom-color:var(--accent)}.level{margin-top:28px}.level__head{justify-content:space-between;align-items:center;gap:12px;display:flex}.level__title{margin:0 0 10px;font-size:18px}.chapter h3{margin:12px 0 2px;font-size:15px}.chapter>p{margin:0 0 8px;font-size:14px}.lesson-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin:8px 0;padding:0;list-style:none;overflow:hidden}.lesson-list li+li{border-top:1px solid var(--border)}.lesson-row{color:var(--text);align-items:center;gap:12px;padding:10px 14px;display:flex}.lesson-row:hover{background:var(--surface-2)}.lesson-row__title{flex:1}.status{background:var(--surface-2);width:28px;height:28px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:700;display:grid}.status--started{box-shadow:inset 0 0 0 2px var(--accent);color:var(--accent)}.status--ok{background:var(--ok);color:#fff}.status--review{background:var(--review);color:#fff}.actions{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;display:grid}.action{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);box-shadow:var(--shadow);flex-direction:column;gap:2px;padding:14px 16px;display:flex}.action:hover{border-color:var(--accent)}.action small{color:var(--muted)}.action__icon{color:var(--accent);font-size:18px}.action--disabled{opacity:.5;pointer-events:none}.lesson-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}.prose h3{margin:24px 0 8px;font-size:17px}.prose h4{margin:18px 0 6px;font-size:15px}.prose ul,.prose ol{padding-left:22px}.prose li+li{margin-top:4px}.prose table{border-collapse:collapse;width:100%;font-size:14px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);text-align:left;padding:6px 10px}.prose th{background:var(--surface-2)}.prose blockquote{border-left:4px solid var(--review);background:var(--review-bg);border-radius:0 8px 8px 0;margin:12px 0;padding:10px 14px}.prose blockquote p{margin:0}:not(pre)>code{background:var(--surface-2);border:1px solid var(--border);border-radius:5px;padding:1px 5px;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:.88em}pre{border-radius:10px;margin:12px 0;overflow-x:auto}pre code.hljs{padding:14px 16px;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:13.5px;line-height:1.55;display:block}.detail-toggle{background:var(--surface);border:1px dashed var(--accent);border-radius:var(--radius);width:100%;color:var(--accent);text-align:left;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;padding:12px 18px;font-weight:600;display:flex}.detail-toggle small{color:var(--muted);margin-left:auto;font-weight:400}.detail-toggle__chevron{transition:transform .2s}.detail-toggle--open .detail-toggle__chevron{transform:rotate(90deg)}.card--detail{border-left:4px solid var(--accent)}.card--detail>h3:first-child{margin-top:0}.terms{margin:0 0 8px}.terms__item{border-bottom:1px solid var(--border);padding:10px 0}.terms__item:last-child{border-bottom:0}.terms dt{flex-wrap:wrap;justify-content:space-between;gap:12px;font-weight:700;display:flex}.terms dd{margin:4px 0 0}.terms__source{font-size:13px;font-weight:400}.terms--list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:4px 20px}.quiz-intro{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.quiz-intro p{margin:0}.pager{justify-content:space-between;gap:12px;margin-top:24px;display:flex}.pager__link{flex-direction:column;max-width:48%;font-weight:600;display:flex}.pager__link small{color:var(--muted);font-weight:400}.pager__link--next{text-align:right;margin-left:auto}.quiz__meta{color:var(--muted);justify-content:space-between;align-items:center;font-size:13px;display:flex}.dots{gap:5px;display:flex}.dot{background:var(--border);border-radius:50%;width:8px;height:8px}.dot--done{background:var(--accent)}.dot--current{box-shadow:0 0 0 2px var(--accent)}.quiz__question,.question-card__q{margin:12px 0;font-size:17px}.choices{flex-direction:column;gap:8px;margin:12px 0;display:flex}.choice{text-align:left;background:var(--surface);border:1.5px solid var(--border);border-radius:10px;align-items:center;gap:12px;padding:10px 14px;transition:border-color .15s,background .15s;display:flex}.choice:hover:not(:disabled){border-color:var(--accent)}.choice:disabled{cursor:default}.choice__letter{background:var(--surface-2);border-radius:7px;flex:none;place-items:center;width:26px;height:26px;font-size:13px;font-weight:700;display:grid}.choice--selected{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, var(--surface))}.choice--correct{border-color:var(--ok);background:var(--ok-bg)}.choice--correct .choice__letter{background:var(--ok);color:#fff}.choice--wrong{border-color:var(--ko);background:var(--ko-bg)}.choice--wrong .choice__letter{background:var(--ko);color:#fff}.feedback{border-radius:10px;margin-top:8px;padding:12px 16px}.feedback__title{margin-bottom:4px;display:block}.feedback--ok{background:var(--ok-bg)}.feedback--ok .feedback__title{color:var(--ok)}.feedback--ko{background:var(--ko-bg)}.feedback--ko .feedback__title{color:var(--ko)}.self-eval__done{font-weight:600}.self-eval__done--ok{color:var(--ok)}.self-eval__done--review{color:var(--review)}.quiz-result{text-align:center;padding:12px 0}.quiz-result__score{font-size:44px;font-weight:800}.quiz-result--ok .quiz-result__score{color:var(--ok)}.quiz-result--ko .quiz-result__score{color:var(--ko)}.quiz-result .row{justify-content:center}.question-card__meta{align-items:center;gap:10px;font-size:13px;display:flex}.question-card__pos{margin-left:auto}.think{text-align:center;padding:16px 0 8px}.answer{background:var(--surface-2);border-radius:10px;margin-top:8px;padding:14px 18px}.answer__label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px;font-size:12px}.answer .muted{margin-top:10px}.self-eval{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:16px;display:flex}.linked-lesson{border-top:1px solid var(--border);margin-top:20px;padding-top:16px}.linked-lesson .detail-toggle{border-style:solid;border-color:var(--border)}.linked-lesson__body{background:var(--bg);border-radius:var(--radius);padding:12px}.search{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);font:inherit;border-radius:10px;margin-bottom:16px;padding:11px 14px}.flashcard-wrap{max-width:560px;margin:0 auto}.flashcard{background:var(--surface);border:1px solid var(--border);border-top:4px solid var(--accent);border-radius:var(--radius);text-align:center;padding:28px 24px;box-shadow:0 8px 24px #10182814}.flashcard__tech{color:var(--muted);font-size:12px}.flashcard__term{margin:12px 0 16px;font-size:24px;font-weight:800}.flashcard__def{text-align:left;border-top:1px solid var(--border);padding-top:16px}@media (width<=600px){.container{padding:16px 14px 60px}.card{padding:16px}.progress__labels{font-size:12px}.detail-toggle small{width:100%;margin-left:0}.topnav a{padding:6px 8px}}.notepad,.notepad-tab{z-index:20;position:fixed;top:96px;right:16px}.notepad-tab{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);color:var(--muted);border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-weight:600;display:flex}.notepad-tab:hover{color:var(--text)}.notepad{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:320px;max-height:calc(100vh - 140px);box-shadow:var(--shadow);flex-direction:column;padding:12px 14px;display:flex}.notepad__head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.notepad__close{color:var(--muted);background:0 0;border:0;padding:2px 6px}.notepad__area{resize:vertical;border:1px solid var(--border);background:var(--surface-2);width:100%;min-height:240px;color:var(--text);border-radius:10px;flex:1;padding:10px 12px;font:14px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.notepad__area:focus{outline:2px solid var(--accent);outline-offset:1px}.notepad__foot{justify-content:space-between;align-items:center;margin-top:8px;display:flex}.card--note{border-left:3px solid var(--accent)}@media (width<=1580px){.notepad{width:min(360px,100vw - 32px);max-height:calc(100vh - 120px)}}@media (width<=700px){.notepad,.notepad-tab{top:auto;bottom:10px;right:10px}.notepad{width:calc(100vw - 20px);max-height:60vh}.notepad__area{min-height:160px}}.notepad__actions{align-items:center;gap:4px;display:flex}.notepad__liste{border-top:1px solid var(--border);max-height:34vh;margin-top:12px;padding-top:10px;overflow-y:auto}.notepad__liste-titre{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.notepad__liste ul{margin:0;padding:0;list-style:none}.notepad__liste li{border-top:1px solid var(--border);align-items:center;gap:8px;padding:5px 0;font-size:13px;display:flex}.notepad__liste li>span{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.notepad__suppr{color:var(--muted);background:0 0;border:0;border-radius:6px;padding:2px 6px;line-height:1}.notepad__suppr:hover{color:var(--ko);background:var(--ko-bg)}.notes-lecon{margin-bottom:24px}.notes-lecon__head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px;display:flex}.notes-lecon__head h3{margin:0}.note__head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.note__head h4{margin:0;font-size:16px}.card--note{margin-bottom:10px;padding:14px 18px}.card--note .prose>:first-child{margin-top:8px}.card--note .prose>:last-child{margin-bottom:0}