/* Scoped styles for PDF Encryption Tool only */
        .pdf-encryption-wrapper {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            padding: 40px 0;
            background-color: #f8f9fa;
        }

        .pdf-encryption-wrapper .pdf-hero {
            text-align: center;
            margin-bottom: 40px;
        }

        .pdf-encryption-wrapper .pdf-hero h1 {
            color: #2c3e50;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .pdf-encryption-wrapper .pdf-hero p {
            color: #6c757d;
            font-size: 1.1rem;
        }

        .pdf-encryption-wrapper .pdf-upload-area {
            background: white;
            border: 3px dashed #dee2e6;
            border-radius: 12px;
            padding: 60px 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 30px;
        }

        .pdf-encryption-wrapper .pdf-upload-area:hover {
            border-color: #e5332d;
            background-color: #fff5f5;
        }

        .pdf-encryption-wrapper .pdf-upload-area.dragover {
            border-color: #e5332d;
            background-color: #fff5f5;
        }

        .pdf-encryption-wrapper .pdf-upload-icon {
            font-size: 4rem;
            color: #e5332d;
            margin-bottom: 20px;
        }

        .pdf-encryption-wrapper .btn-primary-custom {
            background-color: #e5332d;
            border-color: #e5332d;
            color: white;
            padding: 12px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .pdf-encryption-wrapper .btn-primary-custom:hover {
            background-color: #c62d28;
            border-color: #c62d28;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(229, 51, 45, 0.3);
        }

        .pdf-encryption-wrapper .btn-secondary-custom {
            background-color: #6c757d;
            border-color: #6c757d;
            color: white;
            padding: 10px 30px;
            font-weight: 600;
            border-radius: 8px;
        }

        .pdf-encryption-wrapper .btn-secondary-custom:hover {
            background-color: #5a6268;
            border-color: #5a6268;
        }

        .pdf-encryption-wrapper .nav-tabs {
            border-bottom: 2px solid #dee2e6;
            margin-bottom: 30px;
        }

        .pdf-encryption-wrapper .nav-tabs .nav-link {
            color: #6c757d;
            font-weight: 600;
            border: none;
            border-bottom: 3px solid transparent;
            padding: 12px 30px;
        }

        .pdf-encryption-wrapper .nav-tabs .nav-link.active {
            color: #e5332d;
            border-bottom-color: #e5332d;
            background: none;
        }

        .pdf-encryption-wrapper .password-input-group {
            position: relative;
            margin-bottom: 20px;
        }

        .pdf-encryption-wrapper .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: #6c757d;
            z-index: 10;
        }

        .pdf-encryption-wrapper .form-control {
            border-radius: 8px;
            border: 2px solid #dee2e6;
            padding: 12px 45px 12px 15px;
        }

        .pdf-encryption-wrapper .form-control:focus {
            border-color: #e5332d;
            box-shadow: 0 0 0 0.2rem rgba(229, 51, 45, 0.25);
        }

        .pdf-encryption-wrapper .password-strength {
            margin-top: 10px;
        }

        .pdf-encryption-wrapper .password-strength ul {
            list-style: none;
            padding: 0;
            margin: 10px 0 0 0;
            font-size: 0.85rem;
        }

        .pdf-encryption-wrapper .password-strength li {
            padding: 5px 0;
            color: #dc3545;
        }

        .pdf-encryption-wrapper .password-strength li.valid {
            color: #28a745;
        }

        .pdf-encryption-wrapper .password-strength li i {
            margin-right: 8px;
        }

        .pdf-encryption-wrapper .form-check {
            padding: 15px;
            background: #f8f9fa;
            border-radius: 8px;
            margin-bottom: 15px;
        }

        .pdf-encryption-wrapper .form-check-input:checked {
            background-color: #e5332d;
            border-color: #e5332d;
        }

        .pdf-encryption-wrapper .form-check-label {
            font-weight: 500;
            color: #2c3e50;
            margin-left: 8px;
        }

        .pdf-encryption-wrapper .alert-info {
            background-color: #e7f3ff;
            border-color: #b3d9ff;
            color: #004085;
            border-radius: 8px;
        }

        .pdf-encryption-wrapper .file-preview {
            background: white;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .pdf-encryption-wrapper .file-preview-item {
            display: flex;
            align-items: center;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .pdf-encryption-wrapper .file-icon {
            font-size: 2.5rem;
            color: #e5332d;
            margin-right: 15px;
        }

        .pdf-encryption-wrapper .file-info {
            flex: 1;
        }

        .pdf-encryption-wrapper .file-name {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 5px;
        }

        .pdf-encryption-wrapper .file-size {
            color: #6c757d;
            font-size: 0.9rem;
        }

        .pdf-encryption-wrapper .progress {
            height: 25px;
            border-radius: 8px;
            margin-top: 15px;
        }

        .pdf-encryption-wrapper .progress-bar {
            background-color: #e5332d;
        }

        .pdf-encryption-wrapper .how-to-use {
            background: white;
            border-radius: 12px;
            padding: 40px;
            margin-top: 50px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .pdf-encryption-wrapper .how-to-use h2 {
            color: #2c3e50;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 30px;
            text-align: center;
        }

        .pdf-encryption-wrapper .how-to-use h3 {
            color: #e5332d;
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        .pdf-encryption-wrapper .how-to-use p {
            color: #495057;
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .pdf-encryption-wrapper .how-to-use ul {
            color: #495057;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .pdf-encryption-wrapper .how-to-use ul li {
            margin-bottom: 10px;
        }

        .pdf-encryption-wrapper .step-number {
            display: inline-block;
            width: 35px;
            height: 35px;
            background-color: #e5332d;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 35px;
            font-weight: 700;
            margin-right: 10px;
        }

        .pdf-encryption-wrapper .hidden {
            display: none;
        }