/* Styles spécifiques pour le vérificateur PDF */
        .upload-zone {
            border: 2px dashed #2e4057;
            border-radius: 10px;
            padding: 40px;
            text-align: center;
            margin: 20px 0;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .upload-zone:hover {
            border-color: #A31621;
            background-color: #f9f9f9;
        }
        .upload-zone.dragover {
            border-color: #A31621;
            background-color: #f0f8ff;
        }
        .file-input {
            display: none;
        }
        .result-box {
            margin: 20px 0;
            padding: 20px;
            border-radius: 10px;
            display: none;
        }
        .result-valid {
            background-color: #d4edda;
            border: 1px solid #c3e6cb;
            color: #155724;
        }
        .result-invalid {
            background-color: #f8d7da;
            border: 1px solid #f5c6cb;
            color: #721c24;
        }
        .hash-display {
            font-family: monospace;
            background-color: #f8f9fa;
            padding: 10px;
            border-radius: 5px;
            margin: 10px 0;
            word-break: break-all;
            border: 1px solid #dee2e6;
        }
        .loading {
            display: none;
            text-align: center;
            color: #2e4057;
        }
        .spinner {
            border: 3px solid #f3f3f3;
            border-top: 3px solid #A31621;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            animation: spin 1s linear infinite;
            margin: 0 auto 10px;
        }
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
.banner{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    background-color: #2e4057;
    margin: 0; /* Supprime toutes les marges */
    margin-top: 0; /* Spécifiquement supprime la marge supérieure */
    border-top: none; /* Supprime toute bordure supérieure */
}

body {
    margin: 0;
    padding-top: 45px; /* Hauteur du header */
}