/* ===================================================================
   FEUILLE DE STYLE DIAPORAMA INTERACTIF (KAMISHIBAI)
   - Refonte mobile complète (juin 2026)
   =================================================================== */

.diaporama-container {
    max-width: 100%;
    width: 100%;
    margin: 2em auto;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    border: 1px solid #eaeaea;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto auto;
    grid-template-areas:
        "header"
        "viewport"
        "controls"
        "textbox"
        "footer";
    box-sizing: border-box;
}

.diaporama-header {
    grid-area: header;
}

/* --- Viewport Image (Kamishibai) --- */
.diaporama-viewport {
    grid-area: viewport;
    position: relative;
    width: 100%;
    background: #1a1a1a;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.diaporama-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease-in-out;
    opacity: 0;
}

.diaporama-image.active {
    opacity: 1;
}

/* --- Barre des Contrôles Globale --- */
.diaporama-controls {
    grid-area: controls;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 12px 20px;
    background: #fdfdfd;
    border-bottom: 1px solid #f0f0f0;
    gap: 12px;
    box-sizing: border-box;
}

/* --- Sélecteur de Grade (iOS Style) --- */
.diaporama-grade-selector {
    display: flex;
    background: #f1f1f1;
    border-radius: 30px;
    padding: 3px;
    border: 1px solid #e5e5e5;
    flex-shrink: 0;
}

.diaporama-grade-btn {
    border: none;
    background: transparent;
    padding: 6px 14px;
    font-size: 0.85em;
    font-weight: 600;
    color: #666;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
    white-space: nowrap;
}

.diaporama-grade-btn:hover {
    color: #333;
}

/* Classes dynamiques pour le bouton actif par grade */
.diaporama-grade-btn.active {
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.diaporama-grade-btn.active.g1 {
    background-color: #4caf50;
}

/* Vert */
.diaporama-grade-btn.active.g2 {
    background-color: #f39c12;
}

/* Orange */
.diaporama-grade-btn.active.g3 {
    background-color: #2196f3;
}

/* Bleu */

/* --- Toggles d'affichage de texte & audio --- */
.diaporama-display-toggles {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.diaporama-toggle-btn {
    background: #ffffff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 0.85em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #555;
    transition: all 0.2s ease;
    font-weight: bold;
    white-space: nowrap;
}

.diaporama-toggle-btn:hover {
    border-color: #999;
    background: #fafafa;
}

.diaporama-toggle-btn.active {
    background: #eef5fa;
    border-color: #0074c7;
    color: #0074c7;
}

.diaporama-audio-btn {
    border: 1px solid #dcdcdc;
    background: #ffffff;
    color: #0074c7;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1.1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.diaporama-audio-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 2px 8px rgba(0, 116, 199, 0.2);
}

.diaporama-audio-btn.playing {
    background: #0074c7;
    color: #ffffff;
    border-color: #0074c7;
    animation: pulse 1.5s infinite;
}

/* --- Zone de Texte --- */
.diaporama-textbox {
    grid-area: textbox;
    padding: 24px 30px;
    min-height: 120px;
    background: #ffffff;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: font-size 0.2s ease;
    box-sizing: border-box;
}

.diaporama-jp-text {
    font-size: 1.15em;
    line-height: 1.8;
    color: #2c3e50;
    margin: 0;
    font-family: "MS Mincho", "Hiragino Mincho ProN", serif;
    letter-spacing: 0.05em;
    display: none;
    word-break: break-word;
    overflow-wrap: break-word;
}

.diaporama-jp-text.active {
    display: block;
}

/* Support Ruby / Furigana */
.diaporama-jp-text ruby {
    ruby-position: over;
}

.diaporama-jp-text rt {
    font-size: 0.55em;
    color: #7f8c8d;
    user-select: none;
}

/* Traduction française */
.diaporama-fr-text {
    font-size: 1em;
    color: #555555;
    margin-top: 14px;
    line-height: 1.6;
    border-left: 3px solid #ddd;
    padding-left: 14px;
    font-style: italic;
    display: none;
    word-break: break-word;
    overflow-wrap: break-word;
}

.diaporama-fr-text.active {
    display: block;
}

/* --- Barre de Navigation Basse --- */
.diaporama-footer {
    grid-area: footer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #fdfdfd;
    gap: 8px;
    box-sizing: border-box;
}

.diaporama-nav-btn {
    border: none;
    background: #8c1c13;
    color: #ffffff;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.9em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.diaporama-nav-btn:hover {
    background: #a02017;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(140, 28, 19, 0.2);
}

.diaporama-nav-btn:disabled {
    background: #e0e0e0;
    color: #999999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.diaporama-progress-indicator {
    font-size: 0.9em;
    color: #666;
    font-weight: 600;
    flex-shrink: 0;
}

/* Bullet indicators */
.diaporama-dots {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
    flex: 1;
}

.diaporama-dot {
    width: 8px;
    height: 8px;
    background: #e0e0e0;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.diaporama-dot.active {
    background: #8c1c13;
    transform: scale(1.25);
}

/* --- Animations --- */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 116, 199, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(0, 116, 199, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 116, 199, 0);
    }
}

/* ===================================================================
   ADAPTATIONS MOBILE (max-width: 600px)
   FIX PRINCIPAL : suppression du calc(100%+20px) qui causait le
   débordement horizontal. Le conteneur reste à 100% de son parent.
   =================================================================== */
@media (max-width: 600px) {
    .diaporama-container {
        /* Supprimé : margin: 1em -10px + width: calc(100%+20px) */
        /* Ces valeurs causaient le débordement et le masquage des boutons */
        margin: 0;
        /* Pas de marge : le <main> gère l'espacement */
        width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    /* Contrôles en colonne sur mobile */
    .diaporama-controls {
        flex-direction: column;
        align-items: stretch;
        padding: 10px 12px;
        gap: 8px;
    }

    /* Grade selector centré */
    .diaporama-grade-selector {
        justify-content: center;
        width: 100%;
    }

    .diaporama-grade-btn {
        flex: 1;
        text-align: center;
        padding: 6px 8px;
        font-size: 0.8em;
    }

    /* Boutons toggle : grille 4 colonnes pour tout faire tenir */
    .diaporama-display-toggles {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
        width: 100%;
    }

    .diaporama-toggle-btn {
        padding: 6px 4px;
        font-size: 0.78em;
        justify-content: center;
        gap: 3px;
    }

    /* Le bouton audio (rond) prend 1 cellule dans la grille */
    .diaporama-audio-btn {
        width: 100%;
        height: 36px;
        border-radius: 8px;
    }

    /* Textbox plus compacte */
    .diaporama-textbox {
        padding: 12px 14px;
        min-height: auto;
    }

    .diaporama-jp-text {
        font-size: 1em;
    }

    .diaporama-fr-text {
        font-size: 0.9em;
        margin-top: 10px;
    }

    /* Footer navigation */
    .diaporama-footer {
        padding: 10px 12px;
    }

    .diaporama-nav-btn {
        padding: 8px 12px;
        font-size: 0.85em;
    }

    /* Moins de dots sur mobile pour éviter le débordement */
    .diaporama-dot {
        width: 6px;
        height: 6px;
    }
}

/* ===================================================================
   MODE INCRUSTATION (Texte sur l'image)
   =================================================================== */
.diaporama-container.overlay-mode {
    grid-template-areas:
        "header"
        "viewport"
        "controls"
        "footer";
}

.diaporama-container.overlay-mode .diaporama-textbox {
    grid-area: viewport;
    align-self: end;
    z-index: 2;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.55) 75%, rgba(0, 0, 0, 0) 100%);
    border-bottom: none;
    padding: 30px 40px 20px;
    pointer-events: none;
    min-height: auto;
}

.diaporama-container.overlay-mode .diaporama-jp-text {
    color: #ffffff;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8), 0 2px 10px rgba(0, 0, 0, 0.4);
}

.diaporama-container.overlay-mode .diaporama-jp-text rt {
    color: #f0f0f0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.diaporama-container.overlay-mode .diaporama-fr-text {
    color: #dddddd;
    border-left-color: #8c1c13;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* ===================================================================
   PLEIN ÉCRAN — Mode portrait
   =================================================================== */
.diaporama-container:fullscreen,
.diaporama-container:-webkit-full-screen {
    max-width: 100%;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    margin: 0;
    border-radius: 0;
    border: none;
    box-shadow: none;
    background: #000;
    display: grid;
    grid-template-rows: auto 1fr auto auto auto;
    overflow-y: auto;
}

.diaporama-container:fullscreen .diaporama-viewport,
.diaporama-container:-webkit-full-screen .diaporama-viewport {
    aspect-ratio: unset;
    height: 100%;
}

.diaporama-container:fullscreen .diaporama-textbox,
.diaporama-container:-webkit-full-screen .diaporama-textbox {
    background: #111;
    color: #eee;
    border-bottom-color: #333;
    padding: 16px 20px;
}

.diaporama-container:fullscreen .diaporama-jp-text,
.diaporama-container:-webkit-full-screen .diaporama-jp-text {
    color: #f0f0f0;
    font-size: 1em;
    /* Taille normale : pas besoin d'agrandir en fullscreen */
}

.diaporama-container:fullscreen .diaporama-fr-text,
.diaporama-container:-webkit-full-screen .diaporama-fr-text {
    color: #bbb;
    border-left-color: #8c1c13;
}

.diaporama-container:fullscreen .diaporama-controls,
.diaporama-container:-webkit-full-screen .diaporama-controls {
    background: #1a1a1a;
    border-bottom-color: #333;
}

.diaporama-container:fullscreen .diaporama-footer,
.diaporama-container:-webkit-full-screen .diaporama-footer {
    background: #1a1a1a;
}

.diaporama-container:fullscreen .diaporama-toggle-btn,
.diaporama-container:-webkit-full-screen .diaporama-toggle-btn {
    background: #2a2a2a;
    border-color: #444;
    color: #ccc;
}

.diaporama-container:fullscreen .diaporama-toggle-btn.active,
.diaporama-container:-webkit-full-screen .diaporama-toggle-btn.active {
    background: #0074c7;
    border-color: #0074c7;
    color: #fff;
}

/* ===================================================================
   PLEIN ÉCRAN MOBILE — Mode PAYSAGE (landscape)
   Sur smartphone en paysage, l'image prend max de place,
   les contrôles et texte sont compactés en bas
   =================================================================== */
@media screen and (max-width: 900px) and (orientation: landscape) {

    .diaporama-container:fullscreen,
    .diaporama-container:-webkit-full-screen {
        grid-template-rows: auto 1fr auto;
        grid-template-areas:
            "viewport"
            "viewport"
            "footer";
    }

    /* L'image prend toute la place */
    .diaporama-container:fullscreen .diaporama-viewport,
    .diaporama-container:-webkit-full-screen .diaporama-viewport {
        aspect-ratio: unset;
        height: 100%;
    }

    /* Header masqué en paysage plein écran */
    .diaporama-container:fullscreen>div:first-child,
    .diaporama-container:-webkit-full-screen>div:first-child {
        display: none;
    }

    /* Contrôles masqués en paysage pour maximiser l'image */
    .diaporama-container:fullscreen .diaporama-controls,
    .diaporama-container:-webkit-full-screen .diaporama-controls {
        display: none;
    }

    /* Textbox en overlay sur l'image (bas de l'écran) */
    .diaporama-container:fullscreen .diaporama-textbox,
    .diaporama-container:-webkit-full-screen .diaporama-textbox {
        position: absolute;
        bottom: 52px;
        /* au-dessus du footer */
        left: 0;
        right: 0;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 100%);
        padding: 20px 20px 10px;
        border-bottom: none;
        min-height: auto;
        pointer-events: none;
        z-index: 5;
    }

    .diaporama-container:fullscreen .diaporama-jp-text,
    .diaporama-container:-webkit-full-screen .diaporama-jp-text {
        font-size: 1.1em;
        color: #fff;
        text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
    }

    .diaporama-container:fullscreen .diaporama-fr-text,
    .diaporama-container:-webkit-full-screen .diaporama-fr-text {
        color: #ddd;
        font-size: 0.9em;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
        border-left-color: #8c1c13;
    }

    /* Footer compact en paysage */
    .diaporama-container:fullscreen .diaporama-footer,
    .diaporama-container:-webkit-full-screen .diaporama-footer {
        padding: 8px 16px;
    }

    .diaporama-container:fullscreen .diaporama-nav-btn,
    .diaporama-container:-webkit-full-screen .diaporama-nav-btn {
        padding: 6px 12px;
        font-size: 0.85em;
    }
}

/* ===================================================================
   PLEIN ÉCRAN MOBILE — Mode PORTRAIT sur smartphone
   =================================================================== */
@media screen and (max-width: 600px) {

    .diaporama-container:fullscreen .diaporama-controls,
    .diaporama-container:-webkit-full-screen .diaporama-controls {
        flex-direction: column;
        padding: 8px 10px;
        gap: 6px;
    }

    .diaporama-container:fullscreen .diaporama-display-toggles,
    .diaporama-container:-webkit-full-screen .diaporama-display-toggles {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 5px;
        width: 100%;
    }

    .diaporama-container:fullscreen .diaporama-toggle-btn,
    .diaporama-container:-webkit-full-screen .diaporama-toggle-btn {
        padding: 5px 3px;
        font-size: 0.75em;
    }

    .diaporama-container:fullscreen .diaporama-grade-selector,
    .diaporama-container:-webkit-full-screen .diaporama-grade-selector {
        width: 100%;
        justify-content: center;
    }

    .diaporama-container:fullscreen .diaporama-grade-btn,
    .diaporama-container:-webkit-full-screen .diaporama-grade-btn {
        flex: 1;
        text-align: center;
        font-size: 0.8em;
    }

    .diaporama-container:fullscreen .diaporama-audio-btn,
    .diaporama-container:-webkit-full-screen .diaporama-audio-btn {
        width: 100%;
        height: 34px;
        border-radius: 8px;
    }

    .diaporama-container:fullscreen .diaporama-footer,
    .diaporama-container:-webkit-full-screen .diaporama-footer {
        padding: 8px 10px;
    }

    .diaporama-container:fullscreen .diaporama-nav-btn,
    .diaporama-container:-webkit-full-screen .diaporama-nav-btn {
        padding: 7px 10px;
        font-size: 0.8em;
    }
}

/* ===================================================================
   MAIN DIAPORAMA : suppression du padding latéral sur mobile
   Le style inline "padding: 0 15px" sur <main class="diaporama-main">
   réduit la largeur disponible. On l'annule sur les petits écrans.
   =================================================================== */
@media (max-width: 600px) {
    main.diaporama-main {
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
        overflow-x: hidden;
    }

    /* Le lien "retour au blog" garde un peu de marge */
    main.diaporama-main>div:first-child {
        padding: 0 12px;
    }
}