/* ==========================================================================
   Ibol — Thème éditorial
   --------------------------------------------------------------------------
   Tokens   : encre #111111 · surface #FFFFFF · gris #f1f1f1 · texte #111827
   Typo     : Gelasio (titres + texte) · Ubuntu Mono (métadonnées)
   Échelle  : 14 / 16 / 18 / 24 / 32 / 40 px
   Grille   : 8 pt (8 / 16 / 24 / 32 / 48 / 64 px)
   Ce fichier est chargé APRÈS materialize.css et style.css : il surcharge
   uniquement la présentation, jamais le comportement.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
    /* Couleurs */
    --c-ink: #111111;
    --c-surface: #ffffff;
    --c-secondary: #f1f1f1;
    --c-text: #111827;
    --c-muted: #6b7280;
    --c-border: #e5e7eb;
    --c-success: #16A34A;
    --c-warning: #D97706;
    --c-danger: #DC2626;

    /* Typographie */
    --font-serif: 'Gelasio', Georgia, 'Times New Roman', serif;
    --font-mono: 'Ubuntu Mono', 'Courier New', monospace;

    --fs-14: 0.875rem;
    --fs-16: 1rem;
    --fs-18: 1.125rem;
    --fs-24: 1.5rem;
    --fs-32: 2rem;
    --fs-40: 2.5rem;

    /* Espacements (grille 8 pt) */
    --sp-1: 0.5rem;
    --sp-2: 1rem;
    --sp-3: 1.5rem;
    --sp-4: 2rem;
    --sp-6: 3rem;
    --sp-8: 4rem;

    /* Divers */
    --radius: 2px;
    --shadow-card: 0 4px 16px rgba(17, 17, 17, 0.12);
}

/* --------------------------------------------------------------------------
   2. Base typographique
   -------------------------------------------------------------------------- */
body {
    font-family: var(--font-serif);
    font-size: var(--fs-16);
    line-height: 1.6;
    color: var(--c-text);
    background-color: var(--c-surface);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--c-text);
}

a {
    color: var(--c-ink);
}

main {
    display: block;
    min-height: 60vh;
}

/* Étiquette éditoriale (sur-titre) */
.kicker {
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--c-muted);
    margin: 0 0 var(--sp-1) 0;
}

/* Titre de section avec filet */
.section-title {
    font-size: var(--fs-32);
    font-weight: 600;
    line-height: 1.25;
    margin: 0 0 var(--sp-3) 0;
    padding-bottom: var(--sp-1);
    border-bottom: 2px solid var(--c-ink);
}

.section-intro {
    font-size: var(--fs-18);
    color: var(--c-muted);
    max-width: 65ch;
    margin: 0 0 var(--sp-4) 0;
}

/* --------------------------------------------------------------------------
   3. Accessibilité — focus visible partout, contrastes, reduced-motion
   -------------------------------------------------------------------------- */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.btn-large:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--c-ink);
    outline-offset: 2px;
    border-radius: var(--radius);
}

nav a:focus-visible,
footer a:focus-visible,
.sidenav a:focus-visible {
    outline-color: #ffffff;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* --------------------------------------------------------------------------
   4. Navigation principale
   -------------------------------------------------------------------------- */
nav {
    background-color: var(--c-ink);
}

nav .nav-wrapper {
    height: 64px;
    line-height: 64px;
}

nav ul a {
    font-family: var(--font-serif);
    font-size: var(--fs-16);
    transition: background-color 0.15s ease;
}

nav ul a:hover {
    background-color: transparent;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 6px;
}

#logo-container {
    display: flex;
    align-items: center;
    height: 64px;
    margin-bottom: 0;
}

#logo-container img {
    height: 40px;
    width: auto;
    vertical-align: middle;
}

nav .material-icons {
    vertical-align: middle;
}

/* Lien d'évitement (accessibilité clavier) */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 1000;
    background-color: var(--c-ink);
    color: #ffffff;
    padding: var(--sp-1) var(--sp-2);
    font-family: var(--font-serif);
    font-size: var(--fs-16);
    text-decoration: none;
}

.skip-link:focus {
    left: 0;
}

/* Menu déroulant */
.dropdown-content {
    border-radius: var(--radius);
    overflow: hidden;
}

.dropdown-content li > a {
    font-family: var(--font-serif);
    font-size: var(--fs-16);
    color: var(--c-text);
    line-height: 44px;
    height: 44px;
}

.dropdown-content li > a:hover {
    background-color: var(--c-secondary);
}

/* Menu mobile (sidenav) */
.sidenav {
    font-family: var(--font-serif);
}

.sidenav li > a {
    font-size: var(--fs-16);
    font-weight: 400;
    color: var(--c-text);
    height: 48px;
    line-height: 48px;
}

.sidenav li > a:hover {
    background-color: var(--c-secondary);
}

/* --------------------------------------------------------------------------
   5. Boutons
   -------------------------------------------------------------------------- */
.btn,
.btn-large {
    background-color: var(--c-ink);
    color: #ffffff;
    border-radius: var(--radius);
    height: 44px;
    line-height: 44px;
    padding: 0 var(--sp-2);
    text-transform: none;
    letter-spacing: 0.02em;
    font-family: var(--font-serif);
    font-size: var(--fs-16);
}

.btn-large {
    height: 52px;
    line-height: 52px;
    padding: 0 var(--sp-4);
    font-size: var(--fs-18);
}

.btn:hover,
.btn-large:hover {
    background-color: #333333;
}

.btn:disabled,
.btn-large:disabled,
.btn-floating[disabled] {
    background-color: var(--c-border);
    color: var(--c-muted);
}

/* Lien « retour » ou « en savoir plus » */
.link-more {
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: var(--c-ink);
}

.link-more:hover {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

.link-more .material-icons {
    font-size: var(--fs-16);
    vertical-align: middle;
}

/* --------------------------------------------------------------------------
   6. Hero (bandeau d'en-tête des pages)
   -------------------------------------------------------------------------- */
.hero {
    background-color: var(--c-secondary);
    border-bottom: 1px solid var(--c-border);
    padding: var(--sp-8) 0;
}

.hero__kicker {
    margin-bottom: var(--sp-2);
}

.hero__title {
    font-size: var(--fs-40);
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 var(--sp-2) 0;
}

.hero__subtitle {
    font-size: var(--fs-24);
    font-weight: 400;
    font-style: italic;
    color: var(--c-muted);
    margin: 0 0 var(--sp-3) 0;
}

.hero__subtitle a {
    color: var(--c-ink);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.hero__subtitle a:hover {
    text-decoration-thickness: 2px;
}

/* --------------------------------------------------------------------------
   7. Cartes catégories (page d'accueil)
   -------------------------------------------------------------------------- */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--sp-3);
}

.cat-card {
    display: block;
    border-top: 2px solid var(--c-ink);
    padding: var(--sp-2) 0 var(--sp-3) 0;
    color: var(--c-text);
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.cat-card:hover {
    background-color: var(--c-secondary);
}

.cat-card .material-icons {
    font-size: var(--fs-32);
    color: var(--c-ink);
    display: block;
    margin-bottom: var(--sp-1);
}

.cat-card h3 {
    font-size: var(--fs-24);
    font-weight: 600;
    margin: 0 0 var(--sp-1) 0;
}

.cat-card:hover h3 {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

.cat-card p {
    font-size: var(--fs-16);
    color: var(--c-muted);
    margin: 0;
}

/* --------------------------------------------------------------------------
   8. Cartes livres (grilles de listes)
   -------------------------------------------------------------------------- */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--sp-3);
}

.book-card {
    display: flex;
    flex-direction: column;
    background-color: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.book-card:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.book-card__cover {
    display: block;
    aspect-ratio: 2 / 3;
    background-color: var(--c-secondary);
    overflow: hidden;
}

.book-card__cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-card__noimg {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--c-muted);
}

.book-card__noimg .material-icons {
    font-size: 48px;
}

.book-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
    padding: var(--sp-2);
    flex: 1;
}

.book-card__serie {
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    color: var(--c-muted);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.book-card__title {
    font-size: var(--fs-18);
    font-weight: 600;
    line-height: 1.35;
    margin: 0;
}

.book-card__title a {
    color: var(--c-text);
    text-decoration: none;
}

.book-card__title a:hover {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

.book-card__author {
    font-size: var(--fs-14);
    font-style: italic;
    color: var(--c-muted);
    margin: 0;
}

.book-card__author a {
    color: var(--c-muted);
    text-decoration: none;
    border-bottom: 1px solid var(--c-border);
}

.book-card__author a:hover {
    color: var(--c-text);
    border-bottom-color: var(--c-ink);
}

.book-card__resume {
    font-size: var(--fs-14);
    color: var(--c-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   9. Fiche livre / fiche auteur
   -------------------------------------------------------------------------- */
.fiche {
    padding: var(--sp-6) 0;
}

.fiche__cover {
    display: block;
    max-width: 280px;
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius);
    overflow: hidden;
    background-color: var(--c-secondary);
}

.fiche__cover img {
    display: block;
    width: 100%;
    height: auto;
}

.fiche__meta-label {
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--c-muted);
    margin: 0 0 4px 0;
}

.fiche__block {
    margin-bottom: var(--sp-3);
}

.fiche__text {
    font-size: var(--fs-18);
    line-height: 1.7;
    max-width: 65ch;
    margin: 0;
}

/* --------------------------------------------------------------------------
   10. Tableaux éditoriaux
   -------------------------------------------------------------------------- */
.ed-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--c-surface);
}

.ed-table th {
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: left;
    color: var(--c-muted);
    padding: var(--sp-1) var(--sp-2);
    border-bottom: 2px solid var(--c-ink);
}

.ed-table td {
    padding: var(--sp-2);
    border-bottom: 1px solid var(--c-border);
    font-size: var(--fs-16);
    vertical-align: top;
}

.ed-table tbody tr:hover {
    background-color: var(--c-secondary);
}

.ed-table a {
    color: var(--c-ink);
    text-decoration: none;
    border-bottom: 1px solid var(--c-border);
}

.ed-table a:hover {
    border-bottom: 2px solid var(--c-ink);
}

/* --------------------------------------------------------------------------
   11. Formulaires
   -------------------------------------------------------------------------- */
.form-card {
    background-color: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: var(--sp-4);
}

.input-field input[type="text"],
.input-field input[type="email"],
.input-field input[type="password"] {
    font-family: var(--font-serif);
    font-size: var(--fs-16);
    color: var(--c-text);
}

.input-field label {
    color: var(--c-muted);
    font-size: var(--fs-16);
}

.input-field input[type="text"]:focus,
.input-field input[type="email"]:focus,
.input-field input[type="password"]:focus {
    border-bottom: 1px solid var(--c-ink);
    box-shadow: 0 1px 0 0 var(--c-ink);
}

.input-field input[type="text"]:focus + label,
.input-field input[type="email"]:focus + label,
.input-field input[type="password"]:focus + label {
    color: var(--c-ink);
}

.input-field input.invalid,
.input-field input:not(.valid):focus.invalid {
    border-bottom: 1px solid var(--c-danger);
    box-shadow: 0 1px 0 0 var(--c-danger);
}

/* --------------------------------------------------------------------------
   12. Modale (connexion)
   -------------------------------------------------------------------------- */
.modal {
    border-radius: var(--radius);
    overflow: hidden;
}

.modal .modal-content h4 {
    font-size: var(--fs-24);
    font-weight: 600;
    margin: 0 0 var(--sp-2) 0;
    padding-bottom: var(--sp-1);
    border-bottom: 2px solid var(--c-ink);
}

.modal .modal-footer {
    background-color: var(--c-secondary);
}

.modal .modal-footer .btn {
    background-color: var(--c-ink);
}

/* --------------------------------------------------------------------------
   13. États vides
   -------------------------------------------------------------------------- */
.empty-state {
    padding: var(--sp-6) var(--sp-2);
    text-align: center;
    color: var(--c-muted);
    font-style: italic;
    border: 1px dashed var(--c-border);
    border-radius: var(--radius);
    background-color: var(--c-secondary);
}

/* --------------------------------------------------------------------------
   14. Pied de page
   -------------------------------------------------------------------------- */
footer.page-footer {
    background-color: var(--c-ink);
    margin-top: var(--sp-8);
    padding-top: var(--sp-6);
}

footer.page-footer h5 {
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin: 0 0 var(--sp-1) 0;
}

footer.page-footer p,
footer.page-footer a {
    font-size: var(--fs-16);
}

footer.page-footer table td {
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    padding: 4px 8px 4px 0;
    vertical-align: top;
}

footer.page-footer table td a:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

footer.page-footer .footer-copyright {
    background-color: rgba(255, 255, 255, 0.08);
    font-family: var(--font-mono);
    font-size: var(--fs-14);
}

/* --------------------------------------------------------------------------
   15. Ludothèque — bandeau jeux Android winnovation
   --------------------------------------------------------------------------
   Seule section sombre de la page : les icônes des jeux apportent
   la couleur. Étagère à défilement horizontal, extensible au nombre
   de jeux du tableau $jeux_winnovation (pages/bloc_jeux.php).
   -------------------------------------------------------------------------- */
.arcade {
    background-color: var(--c-ink);
    color: #ffffff;
    padding: var(--sp-8) 0;
}

.arcade .kicker {
    color: #9ca3af;
}

.arcade__inner {
    display: grid;
    grid-template-columns: minmax(250px, 320px) minmax(0, 1fr);
    gap: var(--sp-6);
    align-items: center;
}

.arcade__titre {
    font-size: var(--fs-40);
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 var(--sp-2) 0;
    color: #ffffff;
}

.arcade__pitch {
    font-size: var(--fs-18);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.78);
    max-width: 32ch;
    margin: 0 0 var(--sp-3) 0;
}

.arcade__badge {
    display: inline-block;
    border-radius: 6px;
}

.arcade__badge img {
    display: block;
    width: 180px;
    height: auto;
    transition: transform 0.2s ease;
}

.arcade__badge:hover img {
    transform: scale(1.03);
}

/* Étagère : défilement horizontal magnétisé */
.arcade__shelf {
    display: flex;
    gap: var(--sp-2);
    overflow-x: auto;
    scroll-snap-type: x proximity;
    padding: var(--sp-2) var(--sp-1);
    margin: calc(-1 * var(--sp-2)) calc(-1 * var(--sp-1));
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #444444 transparent;
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 var(--sp-2), #000 calc(100% - var(--sp-2)), transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 var(--sp-2), #000 calc(100% - var(--sp-2)), transparent 100%);
}

.arcade__shelf::-webkit-scrollbar {
    height: 6px;
}

.arcade__shelf::-webkit-scrollbar-thumb {
    background-color: #444444;
    border-radius: 3px;
}

.arcade__carte {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-1);
    flex: 0 0 140px;
    scroll-snap-align: start;
    padding: var(--sp-1);
    border-radius: 8px;
    text-decoration: none;
    animation: arcade-in 0.5s ease both;
    animation-delay: calc(var(--i) * 45ms);
}

@keyframes arcade-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.arcade__icone {
    display: block;
    width: 88px;
    height: 88px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15), 0 8px 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.arcade__icone img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.arcade__nom {
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    line-height: 1.35;
    text-align: center;
    color: #ffffff;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.7em;
}

.arcade__action {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: var(--fs-14);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #9ca3af;
    transition: color 0.2s ease;
}

.arcade__action .material-icons {
    font-size: var(--fs-16);
    transition: transform 0.2s ease;
}

.arcade__carte:hover .arcade__icone,
.arcade__carte:focus-visible .arcade__icone {
    transform: translateY(-4px);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.55), 0 12px 26px rgba(0, 0, 0, 0.6);
}

.arcade__carte:hover .arcade__action,
.arcade__carte:focus-visible .arcade__action {
    color: #ffffff;
}

.arcade__carte:hover .arcade__action .material-icons,
.arcade__carte:focus-visible .arcade__action .material-icons {
    transform: translateX(3px);
}

.arcade__carte:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.arcade__badge:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

/* Écrans tactiles : le libellé reste visible sans survol */
@media (hover: none) {
    .arcade__action {
        color: #9ca3af;
    }
}

/* Écrans avec survol : le libellé apparaît au survol / focus */
@media (hover: hover) {
    .arcade__action {
        opacity: 0;
        transform: translateY(4px);
        transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease;
    }

    .arcade__carte:hover .arcade__action,
    .arcade__carte:focus-visible .arcade__action {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .arcade__carte {
        animation: none;
    }

    .arcade__icone,
    .arcade__badge img,
    .arcade__action .material-icons {
        transition: none;
    }
}

/* Responsive du bandeau */
@media only screen and (max-width: 900px) {
    .arcade__inner {
        grid-template-columns: 1fr;
        gap: var(--sp-4);
    }

    .arcade__pitch {
        max-width: none;
    }

    .arcade__titre {
        font-size: var(--fs-32);
    }
}

@media only screen and (max-width: 600px) {
    .arcade {
        padding: var(--sp-6) 0;
    }

    .arcade__titre {
        font-size: var(--fs-24);
    }

    .arcade__pitch {
        font-size: var(--fs-16);
    }

    .arcade__carte {
        flex-basis: 120px;
    }

    .arcade__icone {
        width: 72px;
        height: 72px;
    }
}

/* --------------------------------------------------------------------------
   16. Responsive
   -------------------------------------------------------------------------- */
@media only screen and (max-width: 600px) {
    .hero {
        padding: var(--sp-6) 0;
    }

    .hero__title {
        font-size: var(--fs-32);
    }

    .hero__subtitle {
        font-size: var(--fs-18);
    }

    .section-title {
        font-size: var(--fs-24);
    }

    .book-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--sp-2);
    }

    .form-card {
        padding: var(--sp-2);
    }
}