/* CSS pour le diaporama plein écran */
   
   .fullscreen-slideshow {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: #000;
        z-index: 10000;
        overflow: hidden;
    }

    .slideshow-wrapper {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .slideshow-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 30px;
        background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
        color: white;
        position: relative;
        z-index: 10001;
    }

    .header-left .slideshow-title {
        color: white;
        margin-bottom: 5px;
    }

    .header-controls {
        display: flex;
        align-items: center;
    }

    .slideshow-display {
        flex: 1;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .fullscreen-slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        transition: opacity 0.5s ease-in-out;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .fullscreen-slide.active {
        opacity: 1;
    }

    .slide-content {
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
    }

    .fullscreen-image {
        max-width: 90%;
        max-height: 90%;
        object-fit: contain;
        box-shadow: 0 10px 50px rgba(0,0,0,0.5);
    }

    .slide-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
        color: white;
        padding: 30px;
        text-align: center;
    }

    .overlay-title {
        margin-bottom: 10px;
        font-weight: bold;
    }

    .overlay-description {
        margin: 0;
        opacity: 0.9;
    }

    .navigation-controls {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 100%;
        display: flex;
        justify-content: space-between;
        padding: 0 30px;
        pointer-events: none;
        z-index: 10001;
    }

    .nav-btn {
        background: rgba(255, 255, 255, 0.1);
        border: 2px solid rgba(255, 255, 255, 0.3);
        color: white;
        width: 70px;
        height: 70px;
        border-radius: 50%;
        font-size: 24px;
        cursor: pointer;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
        pointer-events: all;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-btn:hover {
        background: rgba(255, 255, 255, 0.2);
       }