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h5{font-size:1rem;margin:1rem 0 .3rem}.named-questions{list-style:none;padding-left:0}.named-questions>li{margin:.7rem 0}.named-questions strong{display:inline-block;min-width:1.8rem}
.toplinks{flex-wrap:wrap}h1{overflow-wrap:anywhere}@media(prefers-color-scheme:dark){:root{--paper:#14201d;--surface:#1d2e29;--ink:#eff4ef;--muted:#baccc2;--line:#455c52;--primary:#8ad8b9;--soft:#233d32;--warm:#493c21;--accent:#f5b98b;color-scheme:dark}button.primary,.hero-link,.token.chosen,.pascal-cell.target,.binary-buttons button[aria-pressed=true],.brand span{color:#14201d}.static-notice{color:var(--ink)}}
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/* Ateliers de géométrie et entraînement, dans la présentation du cours 01. */
:root { --blue: #35679a; }
[hidden] { display: none !important; }
.notice { padding: 1rem 1.2rem; border-left: 3px solid var(--accent); background: var(--warm); border-radius: .5rem; }
.vector-figure { padding: 1rem; background: var(--surface); border: 1px solid var(--line); border-radius: .8rem; }
.vector-figure svg { display: block; width: 100%; min-width: 0; }
.vector-figure figcaption { margin-top: .7rem; }
.lab:empty, .diagnostic-check:empty { display: none; }
.lab-scene { padding: .5rem 1rem; }
.lab-scene svg { display: block; width: 100%; }
.lab-scene svg text { fill: var(--ink); font: 17px system-ui, sans-serif; }
.graph-grid { opacity: .22; }
.graph-grid text { opacity: 1; }
.space-axes { opacity: .62; }
.drag-handle { cursor: grab; stroke: var(--surface); stroke-width: 3px; touch-action: none; }
.drag-handle:active { cursor: grabbing; }
.lab-settings { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem 1.5rem; padding: 1rem 1.5rem; border-top: 1px solid var(--line); }
.range-field { display: block; min-width: 0; }
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.range-field output { font-weight: 650; color: var(--primary); }
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.select-field { display: flex; flex-direction: column; gap: .4rem; grid-column: 1 / -1; }
.select-field select { width: 100%; }
.view-field { border-top: 1px dashed var(--line); padding-top: .5rem; }
.lab-result { font-size: 1.15rem; font-weight: 650; color: var(--primary); margin-bottom: .6rem !important; }
.lab-caption p + p { margin-top: .5rem; }
.scene-label { text-align: center; font-size: .8rem; margin: .3rem auto .7rem; }
.answer-check { padding-top: 1rem; margin: 1rem 0; border-top: 1px dashed var(--line); }
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.answer-fields { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .8rem 1.2rem; margin: 1.2rem 0; }
.answer-field { min-width: 0; }
.answer-field label { display: block; font-size: .9rem; margin-bottom: .4rem; }
.answer-field input, .answer-field select, .select-field select { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: .5rem; min-height: 44px; padding: .5rem .7rem; max-width: 100%; width: 100%; }
.answer-field .correct { border: 2px solid var(--primary); }
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.field-feedback { font-size: .86rem; line-height: 1.5; margin: .4rem 0 0; }
.field-feedback:empty { display: none; }
.answer-buttons { display: flex; gap: .7rem; flex-wrap: wrap; }
.check-status { font-size: .9rem; font-weight: 650; }
#auto-évaluation + p + ul { list-style: none; padding: 0; }
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#auto-évaluation + p + ul p { margin: .2rem 0; }
html.no-motion { scroll-behavior: auto; }
html.no-motion *, html.no-motion *::before, html.no-motion *::after { animation: none !important; transition: none !important; }
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  .vector-figure { padding: .6rem; }
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}
@media (prefers-color-scheme:dark) { :root { --blue: #92bdeb; } }
@media print {
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  .lab-result { color: black; }
}
.exercise > ol { list-style-type: lower-alpha; }
.vector-figure [stroke="#16614f"] { stroke: var(--primary); }
.vector-figure [stroke="#a04a25"] { stroke: var(--accent); }
.vector-figure [stroke="#35679a"] { stroke: var(--blue); }
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.vector-figure polygon { fill: var(--soft); }
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.graph-grid line { opacity: .18; }
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.graph-grid text { fill: var(--muted); }

.competence{font-size:.9rem;color:var(--muted)}.lab svg{display:block;margin:auto} .static-figure{margin:0} .static-figure figcaption{padding:1rem} math[display=block]{max-width:none} @media print{:root{--paper:white;--surface:white;--ink:black;--muted:#333;--primary:#16614f;--soft:#f2f5f3;--line:#aaa;--blue:#35679a;--accent:#a04a25;color-scheme:light}.lab-settings,.answer-check,.motion-toggle{display:none}.lab,.exercise{break-inside:auto}.formula-wrap{overflow:visible}math[display=block]{min-width:0}.chapter{break-before:auto}}

.recall-list{list-style:none;counter-reset:recall;padding-left:0}.recall-list>li{counter-increment:recall;padding-left:2.5rem;position:relative}.recall-list>li:before{content:'R' counter(recall) '.';position:absolute;left:0;font-weight:650}.static-figure svg{min-width:0} .sidebar li a>span:not(.navnum){min-width:0}

.lab-scene{overflow-x:auto}.lab-scene svg,.static-figure svg{min-width:520px}.static-figure{overflow-x:auto}.lab svg text{paint-order:stroke;stroke:var(--soft);stroke-width:2px;stroke-linejoin:round}@media print{.lab-scene svg,.static-figure svg{min-width:0}}

@page{size:A4;margin:1.5cm}@media print{h2,h3,h4{break-after:avoid}.formula-wrap{break-inside:avoid}math[display=block]{font-size:.95em}}


/* Chapitre 04 : encadrés distincts, formules encadrées et schémas statiques. */
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blockquote>strong:first-child{display:block;margin-bottom:.3rem}
menclose[notation=box]{border:1.5px solid currentColor;padding:.25em .4em;border-radius:.2em}
.objectives{background:var(--surface);border:1px solid var(--line);border-radius:.8rem;padding:1rem 1.4rem}
.course-figure{background:var(--surface);border:1px solid var(--line);border-radius:.8rem;padding:1rem}
.course-figure svg{display:block;width:100%;max-width:560px;min-width:0;margin:auto}
.course-figure svg text{fill:var(--ink);font:16px system-ui,sans-serif}
.course-figure figcaption{margin-top:.6rem}
.diagnostic-list>li,.recall-list>li{scroll-margin-top:5rem}
.exercise{scroll-margin-top:5rem}
@media print{menclose[notation=box]{border-color:black}
.course-figure{break-inside:avoid}
}

/* Chapitre 05 : suites, nuages de points et ateliers. */
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.introduction .objectives{margin-bottom:1.2rem}
blockquote.remember{border-left-color:var(--primary);background:var(--soft)}
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details.indice{margin:1rem 0;border:1px dashed var(--line);border-radius:.6rem;background:var(--surface)}
details.indice>summary{cursor:pointer;font-weight:650;padding:.7rem 1rem}
details.indice>summary::marker{color:var(--primary)}
details.indice[open]>summary{border-bottom:1px dashed var(--line)}
details.indice>p{padding:0 1rem}
details.indice>p:last-child{padding-bottom:.7rem}
.static-figure svg text,.course-figure svg text{fill:var(--ink);font:13px system-ui,sans-serif}
.plot-grid{stroke:var(--line);stroke-width:1;opacity:.6}
.plot-axis{stroke:var(--ink);stroke-width:1.6}
.plot-tick{fill:var(--muted);font:12px system-ui,sans-serif}
.plot-label{fill:var(--muted);font:13px system-ui,sans-serif}
.plot-title{fill:var(--ink);font:600 14px system-ui,sans-serif}
.plot-value{fill:var(--muted);font:11px system-ui,sans-serif}
.course-figure svg{max-width:660px}
.assessment-checkboxes{list-style:none;padding-left:0}
.assessment-checkboxes>li{display:grid;grid-template-columns:1fr repeat(3,auto);gap:.6rem 1rem;align-items:center;border-bottom:1px solid var(--line);padding:.5rem 0}
.assessment-checkboxes label{display:flex;align-items:center;gap:.4rem;font-size:.9rem;color:var(--muted)}
.assessment-checkboxes input{min-width:20px;min-height:20px;accent-color:var(--primary)}
fieldset.assessment{border:1px solid var(--line);border-radius:.7rem;padding:1rem 1.2rem;margin:1.2rem 0}
fieldset.assessment legend{font-weight:650;padding:0 .4rem}
@media (max-width:720px){
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}
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math[display="block"]{display:block;max-width:100%;overflow-x:auto;overflow-y:hidden;padding:.1rem 0}
p,li,td,th,figcaption{overflow-wrap:anywhere}
.formula-wrap{display:block;max-width:100%;overflow-x:auto;overflow-y:hidden}
math:not([display="block"]){display:inline-block;max-width:100%;overflow-x:auto;overflow-y:hidden;vertical-align:middle}
blockquote.remember>p:first-child>strong:first-child,
blockquote.methode>p:first-child>strong:first-child{display:block;margin-bottom:.35rem}