 /* Styles pour les statuts */
        .status {
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            display: inline-block;
        }
        .status-pending {
            background-color: #ffeeba;
            color: #856404;
        }
        .status-approved {
            background-color: #d4edda;
            color: #155724;
        }
        .status-cancelled {
            background-color: #f8d7da;
            color: #721c24;
        }
        
        /* Styles pour le résumé */
        .summary-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 15px;
        }
        .summary-item {
            padding: 10px;
            background-color: #f8f9fa;
            border-radius: 4px;
        }
        .summary-label {
            font-weight: bold;
            display: block;
            margin-bottom: 5px;
        }
        
        /* Styles pour le modal */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0,0,0,0.4);
        }
        .modal-content {
            background-color: #fefefe;
            margin: 15% auto;
            padding: 20px;
            border: 1px solid #888;
            width: 80%;
            max-width: 600px;
        }
        .close {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
        }
        .close:hover {
            color: black;
        }
        #signatureImage {
            max-width: 100%;
            border: 1px solid #ddd;
            margin-top: 10px;
        }