/* =========================================================================
   Academy — interface élève
   ========================================================================= */

.acad {
	--acad-encre: #0e1b2a;
	--acad-encre-douce: #33475b;
	--acad-vert: #2f6b52;
	--acad-vert-clair: #e9f2ed;
	--acad-papier: #ffffff;
	--acad-fond: #f7f8fa;
	--acad-trait: #e3e7ec;
	--acad-ambre: #ffc93c;
	--acad-rayon: 12px;
	--acad-ombre: 0 1px 2px rgba(14, 27, 42, .06), 0 8px 24px rgba(14, 27, 42, .05);

	box-sizing: border-box;
	color: var(--acad-encre);
	font-size: 16px;
	line-height: 1.55;
}

.acad *,
.acad *::before,
.acad *::after {
	box-sizing: inherit;
}

/* ------------------------------------------------------------- Structure */

.acad-espace {
	display: grid;
	grid-template-columns: 280px minmax(0, 1fr);
	gap: 40px;
	max-width: 1400px;
	margin: 0 auto;
	padding: 32px 24px 80px;
}

.acad-espace--lecon {
	grid-template-columns: 320px minmax(0, 1fr);
}

.acad-principal {
	min-width: 0;
}

.acad-principal--lecon {
	max-width: 860px;
}

/* --------------------------------------------------------- Barre latérale */

.acad-lateral__bloc {
	margin: 0 0 28px;
}

.acad-lateral__titre {
	margin: 0 0 8px;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: .12em;
	text-transform: uppercase;
	color: #6b7a8c;
}

.acad-lateral__lien {
	display: block;
	padding: 10px 14px;
	border-radius: 8px;
	color: var(--acad-encre);
	text-decoration: none;
	font-weight: 500;
}

.acad-lateral__lien:hover {
	background: var(--acad-fond);
}

.acad-lateral__lien.est-actif {
	background: var(--acad-encre);
	color: #fff;
}

.acad-lateral__vide {
	margin: 0;
	padding: 0 14px;
	color: #6b7a8c;
	font-size: 14px;
}

/* ------------------------------------------------------------- En-têtes */

.acad-entete {
	margin: 0 0 28px;
}

.acad-entete--centree {
	text-align: center;
}

.acad-surtitre {
	margin: 0 0 6px;
	font-size: 13px;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: #6b7a8c;
}

.acad-titre {
	margin: 0;
	font-size: clamp(28px, 4vw, 44px);
	line-height: 1.15;
	font-weight: 800;
	letter-spacing: -.02em;
}

/* ---------------------------------------------------------- Progression */

.acad-progression {
	display: flex;
	align-items: center;
	gap: 24px;
	padding: 20px 24px;
	margin: 0 0 40px;
	border: 2px solid var(--acad-encre);
	border-radius: var(--acad-rayon);
	background: var(--acad-papier);
	flex-wrap: wrap;
}

.acad-progression__corps {
	flex: 1 1 320px;
	min-width: 0;
}

.acad-progression__activite {
	margin: 0 0 10px;
	font-size: 14px;
	color: var(--acad-encre-douce);
}

.acad-progression__valeur {
	margin: 0;
	font-size: 15px;
	white-space: nowrap;
}

.acad-jauge {
	height: 12px;
	border-radius: 999px;
	background: var(--acad-trait);
	overflow: hidden;
}

.acad-jauge--fine {
	height: 6px;
}

.acad-jauge__barre {
	display: block;
	height: 100%;
	background: var(--acad-vert);
	border-radius: inherit;
	transition: width .35s ease;
}

/* -------------------------------------------------------------- Boutons */

.acad-bouton {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 11px 20px;
	border: 1px solid var(--acad-trait);
	border-radius: 8px;
	background: var(--acad-papier);
	color: var(--acad-encre);
	font-weight: 600;
	font-size: 15px;
	text-decoration: none;
	cursor: pointer;
	transition: background .15s ease, transform .15s ease;
}

.acad-bouton:hover {
	background: var(--acad-fond);
}

.acad-bouton--primaire {
	background: var(--acad-encre);
	border-color: var(--acad-encre);
	color: #fff;
}

.acad-bouton--primaire:hover {
	background: #1b3049;
}

.acad :focus-visible {
	outline: 3px solid var(--acad-ambre);
	outline-offset: 2px;
}

/* --------------------------------------------------------------- Onglets */

.acad-onglets__barre {
	display: flex;
	gap: 32px;
	border-bottom: 1px solid var(--acad-trait);
	margin: 0 0 28px;
}

.acad-onglet {
	position: relative;
	padding: 14px 2px;
	border: 0;
	background: none;
	font-size: 17px;
	font-weight: 500;
	color: var(--acad-encre-douce);
	cursor: pointer;
}

.acad-onglet.est-actif {
	color: var(--acad-encre);
	font-weight: 600;
}

.acad-onglet.est-actif::after {
	content: "";
	position: absolute;
	inset: auto 0 -1px 0;
	height: 3px;
	background: var(--acad-encre);
	border-radius: 3px 3px 0 0;
}

.acad-pastille {
	color: #6b7a8c;
	font-weight: 500;
}

/* --------------------------------------------------------------- Modules */

.acad-module {
	margin: 0 0 28px;
	border: 1px solid var(--acad-trait);
	border-radius: var(--acad-rayon);
	overflow: hidden;
	background: var(--acad-papier);
	box-shadow: var(--acad-ombre);
}

.acad-module__titre {
	margin: 0;
	padding: 18px 24px;
	background: var(--acad-encre);
	color: #fff;
	font-size: 20px;
	font-weight: 700;
}

.acad-lecons {
	margin: 0;
	padding: 0;
	list-style: none;
}

.acad-lecon-ligne {
	display: flex;
	gap: 14px;
	padding: 20px 24px;
	border-top: 1px solid var(--acad-trait);
}

.acad-lecon-ligne:first-child {
	border-top: 0;
}

.acad-lecon-ligne__type {
	flex: 0 0 auto;
	color: var(--acad-encre-douce);
	padding-top: 2px;
}

.acad-icone {
	width: 18px;
	height: 20px;
}

.acad-lecon-ligne__titre {
	display: inline-block;
	color: var(--acad-encre);
	font-size: 18px;
	text-decoration: none;
}

.acad-lecon-ligne__titre:hover {
	text-decoration: underline;
}

.acad-lecon-ligne__etiquettes {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
	margin: 10px 0 0;
}

.acad-etiquette {
	display: inline-block;
	padding: 5px 12px;
	border: 1px solid var(--acad-trait);
	border-radius: 999px;
	font-size: 13px;
	color: var(--acad-encre-douce);
}

/* ------------------------------------------------------- État « terminée » */

.acad-etat {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 7px 16px;
	border: 1px solid var(--acad-trait);
	border-radius: 999px;
	background: var(--acad-papier);
	color: var(--acad-encre-douce);
	font-size: 14px;
	font-weight: 500;
	cursor: pointer;
	transition: color .15s ease, border-color .15s ease, background .15s ease;
}

.acad-etat:hover {
	border-color: var(--acad-vert);
	color: var(--acad-vert);
}

.acad-etat.est-terminee {
	border-color: var(--acad-vert);
	background: var(--acad-vert-clair);
	color: var(--acad-vert);
	font-weight: 600;
}

.acad-etat__coche {
	width: 18px;
	height: 18px;
	opacity: .35;
}

.acad-etat.est-terminee .acad-etat__coche {
	opacity: 1;
}

.acad-etat[aria-busy="true"] {
	opacity: .55;
	pointer-events: none;
}

/* --------------------------------------------------------------- Cartes */

.acad-grille {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 24px;
}

.acad-carte {
	display: flex;
	flex-direction: column;
	border: 1px solid var(--acad-trait);
	border-radius: var(--acad-rayon);
	background: var(--acad-papier);
	overflow: hidden;
	box-shadow: var(--acad-ombre);
}

.acad-carte__visuel img {
	display: block;
	width: 100%;
	height: 168px;
	object-fit: cover;
}

.acad-carte__corps {
	display: flex;
	flex-direction: column;
	gap: 12px;
	padding: 20px;
}

.acad-carte__titre {
	margin: 0;
	font-size: 19px;
	line-height: 1.3;
}

.acad-carte__titre a {
	color: inherit;
	text-decoration: none;
}

.acad-carte__meta {
	margin: 0;
	font-size: 14px;
	color: var(--acad-encre-douce);
}

.acad-carte .acad-bouton {
	align-self: flex-start;
}

/* ------------------------------------------------------ Sommaire (leçon) */

.acad-sommaire {
	position: sticky;
	top: 24px;
	align-self: start;
	max-height: calc(100vh - 48px);
	overflow-y: auto;
	padding: 20px;
	border: 1px solid var(--acad-trait);
	border-radius: var(--acad-rayon);
	background: var(--acad-papier);
}

.acad-sommaire__retour {
	display: block;
	margin: 0 0 12px;
	color: var(--acad-encre);
	font-weight: 700;
	text-decoration: none;
}

.acad-sommaire__avancee {
	margin: 8px 0 20px;
	font-size: 13px;
	color: var(--acad-encre-douce);
}

.acad-sommaire__module {
	margin: 20px 0 8px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: #6b7a8c;
}

.acad-sommaire__liste {
	margin: 0;
	padding: 0;
	list-style: none;
}

.acad-sommaire__lien {
	display: flex;
	gap: 10px;
	align-items: flex-start;
	padding: 8px 10px;
	border-radius: 8px;
	color: var(--acad-encre-douce);
	font-size: 14px;
	text-decoration: none;
}

.acad-sommaire__lien:hover {
	background: var(--acad-fond);
}

.acad-sommaire__lien.est-actif {
	background: var(--acad-fond);
	color: var(--acad-encre);
	font-weight: 600;
}

.acad-sommaire__puce {
	flex: 0 0 auto;
	width: 14px;
	height: 14px;
	margin-top: 4px;
	border: 2px solid var(--acad-trait);
	border-radius: 50%;
}

.acad-sommaire__lien.est-terminee .acad-sommaire__puce {
	border-color: var(--acad-vert);
	background: var(--acad-vert);
	box-shadow: inset 0 0 0 2px #fff;
}

/* ---------------------------------------------------------------- Leçon */

.acad-lecon__entete {
	margin: 0 0 24px;
}

.acad-video {
	margin: 0 0 28px;
	border-radius: var(--acad-rayon);
	overflow: hidden;
	background: #000;
	aspect-ratio: 16 / 9;
}

.acad-video iframe,
.acad-video video {
	display: block;
	width: 100%;
	height: 100%;
	border: 0;
}

.acad-lecon__contenu {
	font-size: 17px;
}

.acad-lecon__contenu h2 {
	margin: 32px 0 12px;
	font-size: 24px;
}

.acad-lecon__pied {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
	margin: 40px 0 0;
	padding: 24px 0 0;
	border-top: 1px solid var(--acad-trait);
}

.acad-navigation {
	display: flex;
	gap: 10px;
}

/* -------------------------------------------------------------- Fichiers */

.acad-fichiers {
	margin: 0;
	padding: 0;
	list-style: none;
	border: 1px solid var(--acad-trait);
	border-radius: var(--acad-rayon);
	overflow: hidden;
}

.acad-fichiers li {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 14px 18px;
	border-top: 1px solid var(--acad-trait);
	background: var(--acad-papier);
}

.acad-fichiers li:first-child {
	border-top: 0;
}

.acad-fichiers a {
	color: var(--acad-encre);
	font-weight: 500;
}

.acad-fichiers__source {
	font-size: 12px;
	letter-spacing: .06em;
	color: #6b7a8c;
}

/* ------------------------------------------------------------------ Quiz */

.acad-quiz {
	margin: 32px 0 0;
	padding: 24px;
	border: 1px solid var(--acad-trait);
	border-radius: var(--acad-rayon);
	background: var(--acad-fond);
}

.acad-quiz__question {
	margin: 0 0 24px;
	padding: 0;
	border: 0;
}

.acad-quiz__question legend {
	display: flex;
	align-items: baseline;
	gap: 10px;
	margin: 0 0 12px;
	padding: 0;
	font-size: 18px;
	font-weight: 600;
}

.acad-quiz__numero {
	display: inline-grid;
	place-items: center;
	width: 26px;
	height: 26px;
	border-radius: 50%;
	background: var(--acad-encre);
	color: #fff;
	font-size: 13px;
}

.acad-quiz__reponse {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	gap: 10px;
	padding: 11px 14px;
	margin: 0 0 8px;
	border: 1px solid var(--acad-trait);
	border-radius: 8px;
	background: var(--acad-papier);
	cursor: pointer;
	text-align: left;
}

/* Blindage face aux thèmes qui étirent/centrent les champs de formulaire. */
.acad-quiz__reponse input[type="radio"],
.acad-quiz__reponse input[type="checkbox"] {
	flex: 0 0 auto;
	width: 18px;
	height: 18px;
	min-width: 18px;
	margin: 0;
	padding: 0;
	appearance: auto;
	-webkit-appearance: auto;
	float: none;
}

.acad-quiz__reponse span {
	flex: 1 1 auto;
	text-align: left;
	margin: 0;
	line-height: 1.4;
}

.acad-quiz__reponse:hover {
	border-color: var(--acad-encre-douce);
}

.acad-quiz__reponse.est-juste {
	border-color: var(--acad-vert);
	background: var(--acad-vert-clair);
}

.acad-quiz__reponse.est-fausse {
	border-color: #c0392b;
	background: #fdecea;
}

.acad-quiz__pied {
	display: flex;
	align-items: center;
	gap: 16px;
	flex-wrap: wrap;
}

.acad-quiz__seuil {
	margin: 0;
	font-size: 13px;
	color: var(--acad-encre-douce);
}

.acad-quiz__resultat {
	margin: 20px 0 0;
	padding: 16px 18px;
	border-radius: 8px;
	background: var(--acad-papier);
	border: 1px solid var(--acad-trait);
	font-weight: 600;
}

.acad-quiz__resultat.est-reussi {
	border-color: var(--acad-vert);
	background: var(--acad-vert-clair);
	color: var(--acad-vert);
}

/* ---------------------------------------------------------------- Divers */

.acad-vide {
	padding: 32px;
	border: 1px dashed var(--acad-trait);
	border-radius: var(--acad-rayon);
	color: var(--acad-encre-douce);
	text-align: center;
}

.acad-alerte {
	padding: 14px 18px;
	margin: 0 0 24px;
	border-left: 4px solid var(--acad-ambre);
	background: #fff8e5;
	border-radius: 0 8px 8px 0;
}

.acad-invite {
	max-width: 460px;
	margin: 60px auto;
	padding: 32px;
	border: 1px solid var(--acad-trait);
	border-radius: var(--acad-rayon);
	background: var(--acad-papier);
	box-shadow: var(--acad-ombre);
}

.acad-invite input[type="text"],
.acad-invite input[type="password"] {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--acad-trait);
	border-radius: 8px;
}

/* ------------------------------------------------------------ Responsive */

@media (max-width: 1024px) {
	.acad-espace,
	.acad-espace--lecon {
		grid-template-columns: minmax(0, 1fr);
		gap: 28px;
		padding: 20px 16px 64px;
	}

	.acad-sommaire {
		position: static;
		max-height: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.acad * {
		transition: none !important;
	}
}

/* ============================================================ Lecteur vidéo */

.acad-lecteur {
	position: relative;
	aspect-ratio: 16 / 9;
	background: #000;
	border-radius: var(--acad-rayon, 14px);
	overflow: hidden;
	margin: 0 0 22px;
}

.acad-lecteur__scene,
.acad-lecteur__scene iframe,
.acad-lecteur__scene video {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
	object-fit: contain;
	background: #000;
}

/* Neutralise les clics sur l'UID YouTube/Vimeo : seule notre barre pilote. */
.acad-lecteur__scene::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 1;
}

.acad-lecteur__voile {
	position: absolute;
	inset: 0;
	z-index: 2;
	display: grid;
	place-items: center;
	border: 0;
	background: transparent;
	cursor: pointer;
}

.acad-lecteur__play svg {
	width: 68px;
	height: 68px;
	filter: drop-shadow( 0 6px 18px rgba( 0, 0, 0, .45 ) );
	transition: transform .15s ease;
}

.acad-lecteur__voile:hover .acad-lecteur__play svg {
	transform: scale( 1.06 );
}

.acad-lecteur__barre {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 3;
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px 16px;
	background: linear-gradient( to top, rgba( 0, 0, 0, .72 ), transparent );
	opacity: 0;
	transition: opacity .2s ease;
}

.acad-lecteur:hover .acad-lecteur__barre,
.acad-lecteur.est-en-lecture .acad-lecteur__barre {
	opacity: 1;
}

.acad-lecteur__bouton {
	flex: none;
	width: 34px;
	height: 34px;
	display: grid;
	place-items: center;
	color: #fff;
	background: rgba( 255, 255, 255, .14 );
	border: 0;
	border-radius: 50%;
	cursor: pointer;
}

.acad-lecteur__bouton svg {
	width: 20px;
	height: 20px;
}

.acad-lecteur__progression {
	flex: 1;
	height: 5px;
	background: rgba( 255, 255, 255, .28 );
	border-radius: 99px;
	overflow: hidden;
}

.acad-lecteur__avance {
	display: block;
	height: 100%;
	width: 0;
	background: var(--acad-ambre, #ffc93c);
	border-radius: 99px;
}

.acad-lecteur__temps {
	flex: none;
	color: #fff;
	font-size: 12px;
	font-variant-numeric: tabular-nums;
	min-width: 40px;
	text-align: right;
}

/* ------------------------------------------------------- Pastille auto */

.acad-etat--auto {
	cursor: default;
	background: var(--acad-vert-clair, #e9f2ed);
	color: var(--acad-vert, #2f6b52);
}

.acad-etat--auto.est-terminee {
	background: var(--acad-vert, #2f6b52);
	color: #fff;
}

/* ------------------------------------------------ Verrou dans le sommaire */

.acad-sommaire__lien.est-verrouillee {
	opacity: .55;
	cursor: not-allowed;
}

.acad-sommaire__puce--verrou {
	display: grid;
	place-items: center;
	background: transparent;
	color: var(--acad-sourdine, #6b7684);
}

.acad-sommaire__puce--verrou svg {
	width: 14px;
	height: 14px;
}

/* ------------------------------------------------------- Bouton bloqué */

.acad-bouton--bloque {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: #eef1f4;
	color: var(--acad-sourdine, #6b7684);
	cursor: not-allowed;
	border: 1px solid var(--acad-bord, #e3e7ec);
}

.acad-bouton--bloque:hover {
	background: #eef1f4;
}

/* ---------------------------------------------------------- Bloc diplôme */

.acad-diplome-pret {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	flex-wrap: wrap;
	margin: 22px 0;
	padding: 20px 24px;
	border-radius: var(--acad-rayon, 14px);
	background: linear-gradient( 120deg, var(--acad-vert, #2f6b52), #24523f );
	color: #fff;
}

.acad-diplome-pret__titre {
	margin: 0;
	font-weight: 700;
	font-size: 16px;
}

.acad-diplome-pret__base {
	margin: 4px 0 0;
	color: rgba( 255, 255, 255, .82 );
	font-size: 13px;
}

.acad-diplome-pret .acad-bouton--primaire {
	background: var(--acad-ambre, #ffc93c);
	color: var(--acad-encre, #0e1b2a);
	border: 0;
}