{{-- Styles et comportement partagés des champs de dépôt de justificatifs. --}}
<style>
    .file-field { margin-bottom: 18px; }

    .file-field-label {
        font-weight: 600;
        color: #333;
        margin-bottom: 8px;
    }

    .file-drop {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        padding: 22px 20px;
        border: 2px dashed #d8cfa8;
        border-radius: 14px;
        background: #fbf9f0;
        color: #6b6350;
        text-align: center;
        cursor: pointer;
        transition: border-color .15s ease, background .15s ease;
    }

    .file-drop:hover,
    .file-drop.is-drag { border-color: #C3AD66; background: #f6efd8; }

    .file-drop i { font-size: 24px; color: #C3AD66; }

    .file-drop-title { font-weight: 700; color: #111; }
    .file-drop-hint { font-size: 12px; color: #999; }

    .file-drop-name {
        display: none;
        margin-top: 6px;
        padding: 5px 12px;
        border-radius: 20px;
        background: #fff;
        border: 1px solid #C3AD66;
        color: #8a7430;
        font-size: 13px;
        font-weight: 600;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .file-drop.is-filled { border-style: solid; border-color: #C3AD66; background: #fff; }
    .file-drop.is-filled .file-drop-name { display: block; }
    .file-drop.is-filled .file-drop-hint { display: none; }

    /* Pièce déjà déposée : miniature cliquable plutôt qu'un lien discret. */
    .file-existing {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 10px;
    }

    .doc-thumb {
        position: relative;
        flex: 0 0 auto;
        width: 84px;
        height: 84px;
        padding: 0;
        border: 2px solid #C3AD66;
        border-radius: 12px;
        background: #fbf9f0;
        overflow: hidden;
        cursor: zoom-in;
        transition: transform .15s ease, box-shadow .15s ease;
    }

    .doc-thumb:hover { transform: scale(1.04); box-shadow: 0 6px 18px rgba(0,0,0,.14); }
    .doc-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

    .doc-thumb-pdf {
        display: flex; align-items: center; justify-content: center;
        width: 100%; height: 100%;
        font-weight: 800; font-size: 20px; color: #C3AD66;
        letter-spacing: .05em;
    }

    .doc-thumb-zoom {
        position: absolute; right: 4px; bottom: 4px;
        width: 24px; height: 24px; border-radius: 50%;
        background: rgba(17,17,17,.82); color: #fff;
        display: flex; align-items: center; justify-content: center;
        font-size: 12px;
    }

    .file-existing-text { display: flex; flex-direction: column; gap: 2px; }
    .file-existing-text strong { color: #111; font-size: 14px; }
    .file-existing-text span { font-size: 12px; color: #999; }

    /* Visionneuse : au-dessus de tout, fermée par la croix, le fond ou Échap. */
    .doc-lightbox {
        position: fixed;
        inset: 0;
        z-index: 99999;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 30px;
        background: rgba(0,0,0,.85);
    }

    .doc-lightbox[hidden] { display: none; }

    .doc-lightbox-body {
        max-width: 100%;
        max-height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .doc-lightbox-body img {
        max-width: 100%;
        max-height: 88vh;
        border-radius: 10px;
        box-shadow: 0 20px 60px rgba(0,0,0,.5);
    }

    .doc-lightbox-body iframe {
        width: 90vw;
        height: 88vh;
        border: none;
        border-radius: 10px;
        background: #fff;
    }

    .doc-lightbox-close {
        position: absolute;
        top: 18px; right: 22px;
        width: 44px; height: 44px;
        border: none; border-radius: 50%;
        background: #fff; color: #111;
        font-size: 26px; line-height: 1;
        cursor: pointer;
        display: flex; align-items: center; justify-content: center;
    }

    .doc-lightbox-close:hover { background: #C3AD66; color: #fff; }
</style>

<div class="doc-lightbox" id="doc-lightbox" hidden>
    <button type="button" class="doc-lightbox-close" aria-label="{{ __('chauffeur.close') }}">&times;</button>
    <div class="doc-lightbox-body"></div>
</div>

<script>
    (function () {
        const lightbox = document.getElementById('doc-lightbox');
        const lightboxBody = lightbox.querySelector('.doc-lightbox-body');

        function openLightbox(src, isPdf) {
            lightboxBody.innerHTML = isPdf
                ? '<iframe src="' + src + '"></iframe>'
                : '<img src="' + src + '" alt="">';

            lightbox.hidden = false;
            document.body.style.overflow = 'hidden';
        }

        function closeLightbox() {
            lightbox.hidden = true;
            lightboxBody.innerHTML = '';
            document.body.style.overflow = '';
        }

        document.querySelectorAll('.doc-thumb').forEach(function (thumb) {
            thumb.addEventListener('click', function () {
                openLightbox(thumb.dataset.src, thumb.dataset.pdf === '1');
            });
        });

        lightbox.querySelector('.doc-lightbox-close').addEventListener('click', closeLightbox);

        // Clic sur le fond, mais pas sur la pièce elle-même.
        lightbox.addEventListener('click', function (e) {
            if (e.target === lightbox) closeLightbox();
        });

        document.addEventListener('keydown', function (e) {
            if (e.key === 'Escape' && !lightbox.hidden) closeLightbox();
        });

        document.querySelectorAll('.file-field').forEach(function (field) {
            const input = field.querySelector('input[type="file"]');
            const drop = field.querySelector('.file-drop');
            const name = field.querySelector('.file-drop-name');

            if (!input || !drop) return;

            function refresh() {
                const file = input.files && input.files[0];

                drop.classList.toggle('is-filled', Boolean(file));

                if (file) {
                    name.textContent = file.name;
                }
            }

            input.addEventListener('change', refresh);

            ['dragover', 'dragenter'].forEach(function (event) {
                drop.addEventListener(event, function (e) {
                    e.preventDefault();
                    drop.classList.add('is-drag');
                });
            });

            ['dragleave', 'drop'].forEach(function (event) {
                drop.addEventListener(event, function (e) {
                    e.preventDefault();
                    drop.classList.remove('is-drag');
                });
            });

            drop.addEventListener('drop', function (e) {
                if (!e.dataTransfer.files.length) return;

                // On réinjecte le fichier déposé dans l'input réellement envoyé.
                const transfer = new DataTransfer();
                transfer.items.add(e.dataTransfer.files[0]);
                input.files = transfer.files;

                refresh();
            });

            refresh();
        });
    })();
</script>