#modalSubidaDNI .card {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            overflow: hidden;
            margin-bottom: 20px;
        }

        #modalSubidaDNI .card-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }

        #modalSubidaDNI .card-header h1 {
            font-size: 2rem;
            margin-bottom: 10px;
        }

        #modalSubidaDNI .card-header p {
            opacity: 0.9;
            font-size: 1rem;
        }

        #modalSubidaDNI .card-body {
            padding: 30px;
        }

        #modalSubidaDNI .highlight-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 30px;
            text-align: center;
            border: 2px solid #ffc107;
        }

        #modalSubidaDNI .highlight-section h2 {
            color: #1a1a2e;
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        #modalSubidaDNI .highlight-section h2::before {
            content: "✓ ";
            color: #28a745;
        }

        #modalSubidaDNI .security-badges {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 15px;
            flex-wrap: wrap;
        }

        #modalSubidaDNI .badge {
            background: rgba(255,255,255,0.9);
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 12px;
            color: #333;
        }

        #modalSubidaDNI .options-container {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        #modalSubidaDNI .option-panel {
            min-width: 300px;
            background: #f8f9fa;
            border-radius: 15px;
            padding: 20px;
            border: 1px solid #e0e0e0;
        }

        #modalSubidaDNI .option-panel h3 {
            color: #333;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffc107;
        }

        #modalSubidaDNI .drop-area {
            border: 2px dashed #ccc;
            border-radius: 10px;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            background: #fafafa;
            position: relative;
        }

        #modalSubidaDNI .drop-area.drag-over {
            border-color: #4a90e2;
            background: #e3f2fd;
        }

        #modalSubidaDNI .placeholder {
            text-align: center;
            color: #999;
        }

        #modalSubidaDNI .preview-container {
            position: relative;
            width: 100%;
            display: flex;
            justify-content: center;
        }

        #modalSubidaDNI .preview-container img {
            max-width: 100%;
            max-height: 200px;
            object-fit: contain;
        }

        #modalSubidaDNI .remove-btn {
            position: absolute;
            top: 5px;
            right: 5px;
            background: #dc3545;
            color: white;
            border: none;
            border-radius: 50%;
            width: 28px;
            height: 28px;
            cursor: pointer;
            font-size: 16px;
        }

        #modalSubidaDNI .upload-options {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-top: 15px;
        }

        #modalSubidaDNI .option-btn {
            background: #6c757d;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 12px;
        }

        .option-btn.camera { background: #28a745; }
        .option-btn.gallery { background: #17a2b8; }

        #modalSubidaDNI .declaration-btn {
            background: linear-gradient(135deg, #a42e00 0%, #ffc107 100%);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 10px;
            font-size: 16px;
            cursor: pointer;
            width: 100%;
            margin-top: 15px;
            transition: transform 0.2s;
        }

        #modalSubidaDNI .declaration-btn:hover {
            transform: translateY(-2px);
        }

        #modalSubidaDNI .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.8);
            z-index: 1000;
            overflow-y: auto;
        }

        #modalSubidaDNI .modal-content {
            background: white;
            max-width: 900px;
            margin: 30px auto;
            border-radius: 20px;
            padding: 30px;
            position: relative;
        }

        #modalSubidaDNI .close-modal {
            position: absolute;
            top: 15px;
            right: 20px;
            font-size: 28px;
            cursor: pointer;
            color: #999;
        }

        #modalSubidaDNI .declaration-text {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            font-size: 12px;
            line-height: 1.6;
            max-height: 400px;
            overflow-y: auto;
            margin-bottom: 20px;
            font-family: 'Times New Roman', serif;
        }

        #modalSubidaDNI .signature-buttons {
            display: flex;
            gap: 10px;
            margin-top: 10px;
            margin-bottom: 20px;
        }

        #modalSubidaDNI .btn-clear, .btn-generate {
            padding: 10px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }

        #modalSubidaDNI .btn-clear { background: #dc3545; color: white; }
        #modalSubidaDNI .btn-generate { background: #28a745; color: white; }

        #modalSubidaDNI .main-btn {
            background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 18px;
            cursor: pointer;
            width: 100%;
            margin-top: 20px;
            transition: transform 0.2s;
        }

        #modalSubidaDNI .main-btn:hover {
            transform: translateY(-2px);
        }

        #modalSubidaDNI .message {
            margin-top: 20px;
            padding: 15px;
            border-radius: 10px;
            display: none;
        }

        #modalSubidaDNI .success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        #modalSubidaDNI .error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        #modalSubidaDNI .loading {
            text-align: center;
            padding: 20px;
            display: none;
        }

        #modalSubidaDNI .spinner {
            border: 3px solid #f3f3f3;
            border-top: 3px solid #4a90e2;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }

        #modalSubidaDNI .download-link {
            display: inline-block;
            margin-top: 10px;
            padding: 10px 20px;
            background: #28a745;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            margin-right: 10px;
        }

        #modalSubidaDNI .back-link {
            display: inline-block;
            margin-top: 10px;
            padding: 10px 20px;
            background: #6c757d;
            color: white;
            text-decoration: none;
            border-radius: 5px;
        }

        /* Mejoras para el canvas de firma */
        #modalSubidaDNI .signature-canvas {
            width: 100%;
            height: 200px;
            background: white;
            border: 2px solid #ddd;
            border-radius: 10px;
            cursor: crosshair;
            touch-action: none; /* Importante para móviles */
        }

        #modalSubidaDNI .signature-canvas:hover {
            border-color: #4a90e2;
        }

        #modalSubidaDNI .signature-area {
            border: 2px dashed #ccc;
            border-radius: 10px;
            background: white;
            margin-top: 20px;
            padding: 15px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @media (max-width: 768px) {
            #modalSubidaDNI .card-body { padding: 20px; }
            #modalSubidaDNI .options-container { flex-direction: column; }
            #modalSubidaDNI .highlight-section h2 { font-size: 1.4rem; }
            #modalSubidaDNI .declaration-text { font-size: 10px; }
        }

        #modalSubidaDNI #backToDniBtn {
            background: #6c757d;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
            margin-bottom: 15px;
            transition: background 0.2s;
        }

        #modalSubidaDNI #backToDniBtn:hover {
            background: #5a6268;
        }

        #modalSubidaDNI #declarationContainer {
            padding: 0;
        }

        #modalSubidaDNI .declaration-text-container {
            margin-top: 0;
        }

        .containerdocument .option-panel {
            background: #f8f9fa;
            border-radius: 15px;
            padding: 20px;
            border: 1px solid #e0e0e0;
        }

        .containerdocument .option-panel h3 {
            color: #333;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffc107;
        }

        .containerdocument .drop-area {
            border: 2px dashed #ccc;
            border-radius: 10px;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            background: #fafafa;
            position: relative;
        }

        .containerdocument .drop-area.drag-over {
            border-color: #4a90e2;
            background: #e3f2fd;
        }

        .containerdocument .placeholder {
            text-align: center;
            color: #999;
        }

        .containerdocument .preview-container {
            position: relative;
            width: 100%;
            display: flex;
            justify-content: center;
        }

        .containerdocument .preview-container img {
            max-width: 100%;
            max-height: 280px;
            object-fit: contain;
        }

        .containerdocument .remove-btn {
            position: absolute;
            top: 5px;
            right: 5px;
            background: #dc3545;
            color: white;
            border: none;
            border-radius: 50%;
            width: 28px;
            height: 28px;
            cursor: pointer;
            font-size: 16px;
        }

        .containerdocument .upload-options {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-top: 15px;
        }

        .containerdocument .option-btn {
            background: #6c757d;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 12px;
        }

        .containerdocument .option-btn.camera { background: #28a745; }
        .containerdocument .option-btn.gallery { background: #17a2b8; }

        .containerdocument .main-btn {
            background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 18px;
            cursor: pointer;
            width: 100%;
            margin-top: 20px;
            transition: transform 0.2s;
        }

        .containerdocument .main-btn:hover {
            transform: translateY(-2px);
        }

        .containerdocument .main-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .containerdocument .message {
            margin-top: 20px;
            padding: 15px;
            border-radius: 10px;
            display: none;
        }

        .containerdocument .success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        .containerdocument .error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        .containerdocument .loading {
            text-align: center;
            padding: 20px;
            display: none;
        }

        .containerdocument .spinner {
            border: 3px solid #f3f3f3;
            border-top: 3px solid #4a90e2;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }