:root {
            --primary-color: #f97316;
            --secondary-color: #f59e0b;
            --success-color: #10b981;
            --danger-color: #ef4444;
            --light-color: #f8fafc;
            --dark-color: #1e293b;
            --gray-color: #64748b;
            --border-radius: 0.5rem;
            --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            background-color: #f1f5f9;
            padding: 2rem 1rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .header {
            text-align: center;
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }

        .header h1 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
            font-size: 2rem;
        }

        .header p {
            color: var(--gray-color);
            max-width: 700px;
            margin: 0 auto;
        }

        .progress-bar {
            display: flex;
            justify-content: space-between;
            margin-bottom: 2rem;
            position: relative;
        }

        .progress-bar::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 4px;
            background-color: #e2e8f0;
            transform: translateY(-50%);
            z-index: 1;
        }

        .progress-step {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--gray-color);
            position: relative;
            z-index: 2;
            border: 4px solid #f1f5f9;
            transition: var(--transition);
        }

        .progress-step.active {
            background-color: var(--primary-color);
            color: white;
        }

        .progress-step.completed {
            background-color: var(--success-color);
            color: white;
        }

        .form-step {
            display: none;
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 2rem;
            margin-bottom: 2rem;
        }

        .form-step.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .form-step h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            font-weight: 600;
            border-bottom: 2px solid #f3f4f6;
            padding-bottom: 0.5rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--dark-color);
        }

        .form-group label.required::after {
            content: ' *';
            color: var(--danger-color);
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #e2e8f0;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
        }

        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        .checkbox-group,
        .radio-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }

        .checkbox-item,
        .radio-item {
            flex: 1 1 200px;
            position: relative;
        }

        .checkbox-item label,
        .radio-item label {
            display: flex;
            align-items: center;
            padding: 0.75rem 1rem;
            background-color: #f8fafc;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
        }

        .checkbox-item label:hover,
        .radio-item label:hover {
            background-color: #f1f5f9;
        }

        .checkbox-item input,
        .radio-item input {
            margin-right: 0.75rem;
        }

        .form-nav {
            display: flex;
            justify-content: space-between;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #e2e8f0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }

        .btn-primary:hover {
            background-color: #ea580c;
        }

        .btn-secondary {
            background-color: var(--gray-color);
            color: white;
        }

        .btn-secondary:hover {
            background-color: #475569;
        }

        .btn-success {
            background-color: var(--success-color);
            color: white;
        }

        .btn-success:hover {
            background-color: #059669;
        }

        .btn-danger {
            background-color: var(--danger-color);
            color: white;
        }

        .btn-danger:hover {
            background-color: #dc2626;
        }

        .file-upload {
            position: relative;
            overflow: hidden;
            display: inline-block;
            width: 100%;
        }

        .file-upload-btn {
            width: 100%;
            padding: 0.75rem 1rem;
            background-color: #f8fafc;
            border: 1px dashed #cbd5e1;
            border-radius: var(--border-radius);
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .file-upload-btn:hover {
            background-color: #f1f5f9;
            border-color: var(--primary-color);
        }

        .file-upload input[type="file"] {
            position: absolute;
            left: 0;
            top: 0;
            opacity: 0;
            width: 100%;
            height: 100%;
            cursor: pointer;
        }

        .file-name {
            margin-top: 0.5rem;
            font-size: 0.875rem;
            color: var(--gray-color);
        }

        @media (max-width: 768px) {

            .checkbox-item,
            .radio-item {
                flex: 1 1 100%;
            }

            .form-nav {
                flex-direction: column;
                gap: 0.75rem;
            }

            .btn {
                width: 100%;
            }
        }

        /* Form validation styles */
        .is-invalid {
            border-color: var(--danger-color) !important;
        }

        .invalid-feedback {
            color: var(--danger-color);
            font-size: 0.875rem;
            margin-top: 0.25rem;
            display: none;
        }

        .is-invalid~.invalid-feedback {
            display: block;
        }