:root {
            --primary-color: #009C9F;
            --primary-dark: #007B7D;
            --primary-light: #B3E5E6;
            --success-color: #28a745;
            --warning-color: #ffc107;
            --danger-color: #dc3545;
            --info-color: #17a2b8;
            --light-bg: #f8f9fa;
            --white: #ffffff;
            --text-dark: #2c3e50;
            --text-muted: #6c757d;
            --border-color: #e9ecef;
            --shadow-light: 0 2px 8px rgba(0, 156, 159, 0.1);
            --shadow-medium: 0 4px 16px rgba(0, 156, 159, 0.15);
        }

        * {
            box-sizing: border-box;
        }

        body {
            background-color: var(--light-bg);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            min-height: 100vh;
        }

        /* Header Navigation */
        .navbar {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            box-shadow: var(--shadow-medium);
            padding: 1.2rem 0;
        }

        .navbar-brand {
            font-weight: 600;
            font-size: 1.5rem;
            color: white !important;
        }

        .navbar-subtitle {
            font-size: 0.85rem;
            opacity: 0.9;
            color: white;
        }

        .login-link {
            color: white;
            background: rgba(255, 255, 255, 0.15);
            padding: 0.5rem 1.25rem;
            border-radius: 25px;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }

        .login-link:hover {
            background: rgba(255, 255, 255, 0.25);
            color: white;
            text-decoration: none;
            transform: translateY(-2px);
        }

        /* Progress Steps */
        .step-indicator {
            display: flex;
            justify-content: space-between;
            margin: 2rem 0 3rem;
            position: relative;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .step-indicator::before {
            content: '';
            position: absolute;
            top: 35px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: var(--border-color);
            z-index: 0;
        }

        .step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
            transition: all 0.3s ease;
        }

        .step-circle {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--white);
            border: 3px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.75rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .step.active .step-circle {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(0, 156, 159, 0.2);
            transform: scale(1.1);
        }

        .step.completed .step-circle {
            background: linear-gradient(135deg, var(--success-color) 0%, #20c997 100%);
            border-color: var(--success-color);
        }

        .step.active .step-circle i,
        .step.completed .step-circle i {
            color: white;
        }

        .step-circle i {
            font-size: 1.75rem;
            color: var(--text-muted);
            transition: all 0.3s ease;
        }

        .step-label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.3s ease;
        }

        .step.active .step-label {
            color: var(--primary-color);
            font-weight: 600;
        }

        .step.completed .step-label {
            color: var(--success-color);
        }

        /* Cards */
        .card {
            background: var(--white);
            border: none;
            margin-bottom: 2rem;
            box-shadow: var(--shadow-light);
            transition: all 0.3s ease;
        }

        .card:hover {
            box-shadow: var(--shadow-medium);
        }

        .card-header {
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(179, 229, 230, 0.3) 100%);
            border-bottom: 2px solid var(--primary-color);
            padding: 1.5rem;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .card-header h4 {
            margin: 0;
            font-size: 1.25rem;
        }

        .card-body {
            padding: 2rem;
        }

        /* Form Sections */
        .form-section {
            display: none;
            animation: slideIn 0.4s ease-in-out;
        }

        .form-section.active {
            display: block;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Entity Type Selection Cards */
        .custom-control-card {
            position: relative;
            display: block;
            min-height: 1.5rem;
            padding-left: 0;
        }

        .custom-control-card .custom-control-input {
            position: absolute;
            z-index: -1;
            opacity: 0;
        }

        .custom-control-card .custom-control-label {
            position: relative;
            margin-bottom: 0;
            cursor: pointer;
            width: 100%;
        }

        .entity-card {
            background: var(--white);
            border: 2px solid var(--border-color);
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .entity-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .entity-card:hover {
            border-color: var(--primary-color);
            box-shadow: var(--shadow-medium);
            transform: translateY(-5px);
        }

        .entity-card:hover::before {
            transform: scaleX(1);
        }

        .custom-control-input:checked ~ .custom-control-label .entity-card {
            border-color: var(--primary-color);
            background: linear-gradient(135deg, rgba(179, 229, 230, 0.15) 0%, rgba(179, 229, 230, 0.05) 100%);
            box-shadow: 0 4px 20px rgba(0, 156, 159, 0.2);
        }

        .custom-control-input:checked ~ .custom-control-label .entity-card::before {
            transform: scaleX(1);
        }

        .entity-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(179, 229, 230, 0.5) 100%);
            transition: all 0.3s ease;
        }

        .entity-icon i {
            font-size: 2.5rem;
            color: var(--primary-dark);
        }

        .custom-control-input:checked ~ .custom-control-label .entity-icon {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            transform: scale(1.1);
        }

        .custom-control-input:checked ~ .custom-control-label .entity-icon i {
            color: white;
        }

        .entity-card h5 {
            color: var(--text-dark);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .entity-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }

        /* Form Controls */
        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }

        .required {
            color: var(--danger-color);
            margin-left: 0.25rem;
        }

        .form-control {
            border: 2px solid var(--border-color);
             height: calc(2.85rem + 2px);
            padding: 0.75rem 1rem;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }





        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(0, 156, 159, 0.25);
            background-color: rgba(179, 229, 230, 0.05);
        }

        .form-control.is-valid {
            border-color: var(--success-color);
            background-image: none;
        }

        .form-control.is-invalid {
            border-color: var(--danger-color);
            background-image: none;
        }

        /* Select2 Styling */
        .select2-container--default .select2-selection--single {
            height: calc(2.5rem + 2px);
            border: 2px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .select2-container--default .select2-selection--single .select2-selection__rendered {
            line-height: calc(2.5rem);
            padding-left: 1rem;
            padding-right: 1rem;
        }

        .select2-container--default .select2-selection--single .select2-selection__clear {
            height: calc(2.5rem);
            line-height: calc(2.5rem);
            margin-right: 10px;
        }

        .select2-container--default .select2-selection--single .select2-selection__arrow {
            height: calc(2.5rem);
            top: 0;
            right: 1px;
            width: 34px;
        }

        .select2-container--default .select2-selection--single .select2-selection__arrow b {
            margin-top: 0;
            top: 50%;
            transform: translateY(-50%);
        }

        .select2-container--default.select2-container--focus .select2-selection--single {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(0, 156, 159, 0.25);
        }

        .select2-dropdown {
            border: 2px solid var(--primary-color);
            box-shadow: var(--shadow-medium);
        }

        .select2-container--default .select2-results__option--highlighted[aria-selected] {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
        }

        /* Document Upload */
        .document-upload-area {
            border: 3px dashed var(--border-color);
            padding: 3rem 2rem;
            text-align: center;
            transition: all 0.3s ease;
            background: var(--white);
            cursor: pointer;
        }

        .document-upload-area:hover,
        .document-upload-area.dragover {
            border-color: var(--primary-color);
            background: linear-gradient(135deg, rgba(179, 229, 230, 0.1) 0%, rgba(179, 229, 230, 0.05) 100%);
        }

        .document-upload-area i {
            color: var(--primary-color);
        }

        .document-item {
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 1rem;
            margin-bottom: 0.75rem;
            transition: all 0.3s ease;
        }

        .document-item:hover {
            box-shadow: var(--shadow-light);
            border-color: var(--primary-light);
        }

        /* Buttons */
        .btn {
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            border: none;
            padding: 0.75rem 2rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(0, 156, 159, 0.3);
        }

        .btn-primary:hover:not(:disabled) {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #005f61 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 156, 159, 0.4);
        }

        .btn-success {
            background: linear-gradient(135deg, var(--success-color) 0%, #20c997 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
        }

        .btn-success:hover:not(:disabled) {
            background: linear-gradient(135deg, #20c997 0%, var(--success-color) 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(40, 167, 69, 0.4);
        }

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

        .btn-secondary:hover:not(:disabled) {
            background: var(--text-dark);
            transform: translateY(-2px);
        }

        .btn i {
            transition: transform 0.3s ease;
        }

        .btn:hover i {
            transform: translateX(3px);
        }

        .btn-secondary:hover i {
            transform: translateX(-3px);
        }

        /* Alerts */
        .alert {
            border: none;
            border-left: 4px solid;
            animation: slideInDown 0.4s ease;
        }

        @keyframes slideInDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .alert-success {
            background: rgba(40, 167, 69, 0.1);
            border-left-color: var(--success-color);
            color: #155724;
        }

        .alert-warning {
            background: rgba(255, 193, 7, 0.1);
            border-left-color: var(--warning-color);
            color: #856404;
        }

        .alert-info {
            background: rgba(23, 162, 184, 0.1);
            border-left-color: var(--info-color);
            color: #0c5460;
        }

        .alert-danger {
            background: rgba(220, 53, 69, 0.1);
            border-left-color: var(--danger-color);
            color: #721c24;
        }

        /* Summary Card */
        .preview-card {
            background: linear-gradient(135deg, rgba(179, 229, 230, 0.1) 0%, rgba(179, 229, 230, 0.05) 100%);
            border: 1px solid var(--border-color);
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin-bottom: 1rem;
        }

        .preview-card h6 {
            color: var(--primary-dark);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .preview-card p {
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }

        .preview-card strong {
            color: var(--text-dark);
        }

        /* Badge */
        .badge {
            padding: 0.4rem 0.8rem;
            font-weight: 500;
        }

        .badge-success {
            background: linear-gradient(135deg, var(--success-color) 0%, #20c997 100%);
        }

        .badge-secondary {
            background: var(--text-muted);
        }

        .badge-danger {
            background: linear-gradient(135deg, var(--danger-color) 0%, #c82333 100%);
        }

        /* Checkbox Styling */
        .custom-control-label::before {
            border: 2px solid var(--border-color);
        }

        .custom-control-input:checked ~ .custom-control-label::before {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            border-color: var(--primary-color);
        }

        /* Modal */
        .modal-content {
            border: none;
            box-shadow: var(--shadow-medium);
        }

        .modal-header {
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(179, 229, 230, 0.3) 100%);
            border-bottom: 2px solid var(--primary-color);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .navbar-brand {
                font-size: 1.25rem;
            }

            .navbar-subtitle {
                font-size: 0.75rem;
            }

            .step-circle {
                width: 50px;
                height: 50px;
            }

            .step-circle i {
                font-size: 1.25rem;
            }

            .step-label {
                font-size: 0.75rem;
            }

            .card-body {
                padding: 1.5rem;
            }

            .entity-icon {
                width: 60px;
                height: 60px;
            }

            .entity-icon i {
                font-size: 2rem;
            }

            .btn {
                padding: 0.65rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        /* Loading Animation */
        .spinner-border {
            border-color: var(--primary-light);
            border-right-color: var(--primary-color);
        }

        /* Page Fade In */
        .fade-in {
            animation: fadeIn 0.6s ease-in-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        .container {
            max-width: 1200px;
        }