#depot-eleves-form {
    max-width: 550px;
    margin: 30px auto;
    padding: 30px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    font-family: Arial, sans-serif;
}

.depot-field {
    margin-bottom: 25px;
}

#depot-eleves-form label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2d3748;
}

/* Utilisation impérative du monospace pour l'alignement parfait des lignes */
#depot-eleves-form select#classe {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background-color: #f8fafc;
    font-size: 15px;
    font-family: 'Courier New', Courier, monospace !important;
    color: #334155;
    outline: none;
    transition: border-color 0.2s ease;
}

#depot-eleves-form select#classe:focus {
    border-color: #000000;
}

.option-principale {
    font-weight: bold;
    color: #000000;
    background-color: #f1f5f9;
}

.option-sous-dossier {
    color: #475569;
}

/* Stylisation du bouton de fichier */
.file-input-wrapper input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    background: #f8fafc;
    cursor: pointer;
    font-size: 14px;
}

.file-input-wrapper input[type="file"]::file-selector-button {
    background: #f1f5f9;
    color: #000000;
    border: 1px solid #cbd5e1;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    margin-right: 15px;
    transition: all 0.2s ease;
}

.file-input-wrapper input[type="file"]::file-selector-button:hover {
    background: #000000;
    color: #ffffff;
    border-color: #000000;
}

/* Bouton d'action principal - Fond Noir strict */
#depot-eleves-form button#depot-submit-btn {
    background: #000000 !important;
    color: #ffffff !important;
    border: none !important;
    padding: 14px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    transition: background-color 0.2s ease, opacity 0.2s ease;
}

#depot-eleves-form button#depot-submit-btn:hover {
    opacity: 0.85;
}

/* Barre de progression */
.progress-container {
    width: 100%;
    height: 10px;
    background: #e2e8f0;
    border-radius: 9999px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: #000000;
    border-radius: 9999px;
    transition: width 0.1s linear;
}

#message-upload {
    margin-top: 20px;
    font-weight: 600;
    font-size: 15px;
    text-align: center;
}