/* L'Apprentissage — la bibliothèque des 78 lames (roadmap P2.4).
   Réutilise les tokens du Seuil de Minuit (style.css) et la matière des tuiles
   du corridor. Page en flux normal : la barre du bas (mobile) y a sa réserve
   permanente via `body.footer-auto main` — rien à faire ici. */

.appr, .fiche {
    width: 100%;                 /* enfant de main (flex) : on prend toute la colonne, pas le fit-content */
    box-sizing: border-box;
    max-width: 880px;
    margin: 0 auto;
    padding: 26px 20px 48px;
    color: var(--fg);
}

/* ---------- Titres communs ---------- */
.appr-eyebrow {
    font-family: var(--font-grave); font-size: 0.62rem; letter-spacing: 0.28em;
    text-transform: uppercase; color: var(--accent); margin: 0 0 6px;
}
.appr-tete { text-align: center; margin-bottom: 26px; }
.appr-tete h1, .fiche h1 {
    font-family: var(--font-display); font-weight: 600; margin: 0.1em 0 0.15em;
    font-size: clamp(2.2rem, 6vw, 3.2rem); line-height: 1.05;
    background: linear-gradient(180deg, #fbeecb, #d9a942 82%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.appr-lead {
    font-family: var(--font-display); font-style: italic; color: var(--muted);
    font-size: 1.18rem; line-height: 1.5; max-width: 460px; margin: 0 auto;
}

/* Mots-clés : petites étiquettes gravées */
.appr-cles { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; justify-content: inherit; }
.appr-cles li {
    font-family: var(--font-grave); font-size: 0.58rem; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--accent-bright); border: 1px solid var(--border-gold); border-radius: 999px;
    padding: 5px 10px; background: var(--accent-soft);
}

/* ---------- La lame à apprendre aujourd'hui ---------- */
.appr-jour {
    text-align: center;
    border: 1px solid var(--border-gold); border-radius: 22px;
    background: linear-gradient(200deg, rgba(46, 30, 74, 0.55), rgba(13, 7, 32, 0.62));
    box-shadow: 0 22px 56px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(244, 192, 87, 0.10);
    padding: 22px 18px 26px;
    margin-bottom: 30px;
}
.lj-stage { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lj-card {
    width: auto; height: min(320px, 42vh); aspect-ratio: var(--carte-ratio); position: relative;
    cursor: pointer; transition: transform 0.12s ease-out; transform-style: preserve-3d; touch-action: none;
}
.lj-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform 0.85s cubic-bezier(0.2, 0.8, 0.2, 1); }
.lj-card.flip .lj-inner { transform: rotateY(180deg); }
.lj-face {
    position: absolute; inset: 0; border-radius: 15px; backface-visibility: hidden; overflow: hidden;
    border: 1px solid rgba(217, 169, 66, 0.5); box-shadow: 0 18px 46px rgba(0, 0, 0, 0.6);
    display: flex; align-items: center; justify-content: center;
}
/* Même dos dessiné que partout ailleurs (chat, éventail, carte du jour). */
.lj-back { background: #150b28 url("../images/icons/dos-de-carte-aere.svg?v=2") center / 100% 100% no-repeat; border-color: transparent; }
/* Face : la lame en plein, bord à bord avec son liseré de papier ; le nom
   français vit sous la carte, dans l'indication. */
.lj-front { padding: 0; transform: rotateY(180deg); background: var(--carte-fond); }
.lj-front .lj-k { display: none; }
.lj-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.lj-foil {
    position: absolute; inset: 0; border-radius: 15px; pointer-events: none; z-index: 3; opacity: 0.22;
    transition: opacity 0.25s;
    background: linear-gradient(115deg, transparent 36%, rgba(255, 255, 255, 0.55), rgba(255, 236, 190, 0.4), transparent 64%);
    background-size: 220% 220%; background-position: var(--mx, 50%) var(--my, 50%);
}
.lj-card.flipping .lj-foil { opacity: 0; }
.lj-hint { font-family: var(--font-display); font-style: italic; color: var(--muted); font-size: 1rem; }

/* La leçon : repliée (hauteur 0) tant que la lame est face cachée, elle se
   déploie au retournement (grille 0fr → 1fr : un vrai déploiement, sans
   hauteur magique) et s'éclaire dans la foulée. */
.lj-lecon {
    display: grid; grid-template-rows: 0fr; width: 100%;
    transition: grid-template-rows 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.lj-lecon > .lj-lecon-in {
    min-height: 0; overflow: hidden; max-width: 480px; margin: 0 auto;
    opacity: 0; transform: translateY(6px); pointer-events: none;
    transition: opacity 0.55s ease 0.15s, transform 0.55s ease 0.15s;
}
.lj-lecon.show { grid-template-rows: 1fr; }
.lj-lecon.show > .lj-lecon-in { opacity: 1; transform: none; pointer-events: auto; }
.lj-lecon .appr-cles { justify-content: center; }
.lj-famille { font-family: var(--font-grave); font-size: 0.6rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); margin: 0; }
.lj-resume { font-family: var(--font-display); font-style: italic; font-size: 1.12rem; line-height: 1.5; color: var(--fg); margin: 12px 0 8px; }
.lj-lire {
    font-family: var(--font-grave); letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.66rem;
    color: var(--accent-bright); text-decoration: none; border-bottom: 1px solid var(--border-gold); padding-bottom: 2px;
}
.lj-lire:hover { border-color: var(--accent-bright); }
.lj-suivante {
    display: block; margin: 14px auto 0; background: none; border: 1px solid var(--border-gold);
    color: var(--accent-bright); border-radius: 999px; padding: 8px 16px; cursor: pointer;
    font-family: var(--font-grave); letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.62rem;
}
.lj-suivante:hover { background: var(--accent-soft); }

/* Progression (posée par JS depuis localStorage : ce qu'on a déjà lu) */
.appr-progres {
    text-align: center; margin: 0 0 14px;
    font-family: var(--font-grave); font-size: 0.62rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted);
}
.appr-progres .ap-n { color: var(--accent-bright); font-size: 0.8rem; }

/* ---------- La bibliothèque ---------- */
.appr-famille { margin-bottom: 34px; }
.appr-famille h2 {
    font-family: var(--font-display); font-weight: 600; color: var(--accent-bright);
    font-size: 1.6rem; margin: 0 0 2px;
}
.appr-famille-sub { font-family: var(--font-display); font-style: italic; color: var(--muted); margin: 0 0 14px; font-size: 1.02rem; }
.appr-grille {
    display: grid; gap: 14px 12px;
    grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
}
.appr-lame {
    text-decoration: none; color: var(--fg); display: flex; flex-direction: column; align-items: center; gap: 7px;
    transition: transform 0.25s;
}
.appr-lame:hover { transform: translateY(-3px); }
.al-cadre {
    position: relative; display: block; width: 100%; aspect-ratio: var(--carte-ratio); border-radius: 9px; overflow: hidden;
    border: 1px solid var(--border-gold); background: var(--carte-fond);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45); transition: box-shadow 0.3s, border-color 0.3s;
}
.appr-lame:hover .al-cadre { border-color: var(--accent); box-shadow: 0 14px 30px rgba(0, 0, 0, 0.5), 0 0 22px rgba(244, 192, 87, 0.16); }
.al-cadre img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
/* Déjà lue : petite étincelle d'or dans le coin (marque locale, pas un badge rouge). */
.al-lue {
    position: absolute; top: 5px; right: 6px; font-size: 0.8rem; color: var(--accent-bright);
    text-shadow: 0 0 8px var(--accent-glow); opacity: 0; transition: opacity 0.3s;
}
.appr-lame.lue .al-lue { opacity: 1; }
.appr-lame.lue .al-cadre { border-color: var(--accent); }
.al-nom { font-family: var(--font-display); font-size: 0.98rem; line-height: 1.2; text-align: center; }

.appr-cta { text-align: center; margin: 16px 0 0; }

/* ---------- La fiche d'une lame ---------- */
.fiche-retour {
    display: inline-block; margin-bottom: 18px; text-decoration: none; color: var(--accent);
    font-family: var(--font-grave); font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase;
}
.fiche-retour:hover { color: var(--accent-bright); }
.fiche-corps { display: flex; gap: 34px; align-items: flex-start; }
.fiche-image { margin: 0; flex: 0 0 min(280px, 38%); position: sticky; top: 76px; }
.fiche-carte {
    position: relative; border-radius: 15px; overflow: hidden; border: 1px solid rgba(217, 169, 66, 0.5);
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.6); background: var(--carte-fond);
    transition: transform 0.12s ease-out; touch-action: pan-y;
}
.fiche-carte img { display: block; width: 100%; height: auto; }
.fiche-texte { flex: 1; min-width: 0; }
.fiche-texte h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
.fiche-texte h2 { font-family: var(--font-display); color: var(--accent); font-size: 1.22rem; margin: 1.5rem 0 0.35rem; font-weight: 600; }
.fiche-texte p { color: rgba(241, 233, 218, 0.88); line-height: 1.65; margin: 0; font-size: 1.06rem; }
.fiche-question {
    margin: 1.8rem 0 0; padding: 14px 18px; border-left: 2px solid var(--border-gold);
    font-family: var(--font-display); font-style: italic; font-size: 1.2rem; color: var(--accent-bright); line-height: 1.5;
    background: rgba(19, 11, 34, 0.4); border-radius: 0 12px 12px 0;
}
.fq-orn { margin-right: 8px; opacity: 0.8; }

.fiche-nav { display: flex; justify-content: space-between; gap: 16px; margin: 36px 0 8px; }
.fiche-nav a { text-decoration: none; color: var(--fg); display: flex; flex-direction: column; gap: 2px; max-width: 48%; }
.fiche-nav .fn-next { text-align: right; align-items: flex-end; }
.fn-dir { font-family: var(--font-grave); font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.fn-nom { font-family: var(--font-display); font-style: italic; font-size: 1.05rem; color: var(--muted); }
.fiche-nav a:hover .fn-nom { color: var(--accent-bright); }

@media (max-width: 680px) {
    .appr, .fiche { padding: 18px 14px 40px; }
    .fiche-corps { flex-direction: column; align-items: center; gap: 22px; }
    .fiche-image { position: static; flex: none; width: min(230px, 62vw); }
    .fiche-texte { width: 100%; }
    .appr-grille { grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 12px 8px; }
    .al-nom { font-size: 0.86rem; }
    .lj-card { height: min(260px, 38vh); }
}
@media (prefers-reduced-motion: reduce) {
    .lj-inner, .lj-lecon, .lj-lecon > .lj-lecon-in, .lj-card, .fiche-carte, .appr-lame { transition: none; }
}