:root {
            --primary-blue: #1a6ae4;
            --light-blue: #e3f2fd;
            --dark-blue: #0d4ba3;
            --accent-teal: #1dc9b7;
            --light-gray: #f8f9fa;
            --dark-gray: #343a40;
            --gradient-primary: linear-gradient(135deg, #1a6ae4 0%, #1dc9b7 100%);
            --success-green: #28a745;
            --warning-orange: #ffc107;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            background-color: #f5f9ff;
            color: #333;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .login-container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
        }
        
        .login-card {
            background-color: white;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(26, 106, 228, 0.12);
            overflow: hidden;
            min-height: 600px;
        }
        
        .login-left {
            background: var(--gradient-primary);
            padding: 50px 40px;
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        
        .login-left::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        
        .login-left::after {
            content: "";
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }
        
        .brand-logo {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            font-size: 32px;
            color: white;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        
        .brand-logo i {
            margin-right: 10px;
            font-size: 36px;
        }
        
        .login-left h2 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            font-size: 28px;
            margin-bottom: 15px;
        }
        
        .login-left p {
            font-size: 16px;
            opacity: 0.9;
            line-height: 1.6;
            margin-bottom: 30px;
        }
        
        .feature-list {
            list-style: none;
            padding-left: 0;
            margin-top: 30px;
        }
        
        .feature-list li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .feature-list i {
            background-color: rgba(255, 255, 255, 0.2);
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }
        
        .login-right {
            padding: 50px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .login-header {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .login-header h3 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            color: var(--dark-blue);
            font-size: 28px;
            margin-bottom: 10px;
        }
        
        .login-header p {
            color: #666;
            font-size: 16px;
        }
        
        .form-label {
            font-weight: 500;
            color: #555;
            margin-bottom: 8px;
        }
        
        .form-control {
            padding: 12px 15px;
            border-radius: 10px;
            border: 1px solid #ddd;
            transition: all 0.3s;
            font-size: 16px;
        }

        .form-select {
            padding: 12px 15px;
            border-radius: 10px;
            border: 1px solid #ddd;
            transition: all 0.3s;
            font-size: 16px;
        }


        
        .form-control:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 0.25rem rgba(26, 106, 228, 0.25);
        }
        
        .input-group-text {
            background-color: white;
            border: 1px solid #ddd;
            border-right: none;
            border-radius: 10px 0 0 10px;
        }
        
        .form-control.with-icon {
            border-left: none;
            border-radius: 0 10px 10px 0;
        }
        
        .remember-forgot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .form-check-input:checked {
            background-color: var(--primary-blue);
            border-color: var(--primary-blue);
        }
        
        .forgot-password {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .forgot-password:hover {
            color: var(--dark-blue);
            text-decoration: underline;
        }
        
        .login-btn {
            background: var(--gradient-primary);
            border: none;
            color: white;
            padding: 14px;
            font-weight: 600;
            font-size: 18px;
            border-radius: 10px;
            transition: all 0.3s;
            width: 100%;
            margin-bottom: 25px;
        }
        
        .login-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(26, 106, 228, 0.3);
        }
        
        .divider {
            text-align: center;
            position: relative;
            margin: 25px 0;
        }
        
        .divider::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 0;
            width: 100%;
            height: 1px;
            background-color: #eee;
        }
        
        .divider span {
            background-color: white;
            padding: 0 15px;
            color: #777;
            font-size: 14px;
            position: relative;
        }
        
        .social-login {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 30px;
        }
        
        .social-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #f1f7ff;
            color: var(--primary-blue);
            border: 1px solid #ddd;
            transition: all 0.3s;
        }
        
        .social-btn:hover {
            background-color: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        
        .register-link {
            text-align: center;
            color: #666;
        }
        
        .register-link a {
            color: var(--primary-blue);
            font-weight: 500;
            text-decoration: none;
        }
        
        .register-link a:hover {
            text-decoration: underline;
        }
        
        /* Responsive adjustments */
        @media (max-width: 992px) {
            .login-left{
                display: none;
            }
            .login-left {
                padding: 40px 30px;
            }
            
            .login-right {
                padding: 40px 30px;
            }
        }
        
        @media (max-width: 768px) {
            .login-left{
                display: none;
            }
            .login-left {
                padding: 30px 25px;
            }
            
            .login-left h2 {
                font-size: 24px;
            }
            
            .login-right {
                padding: 30px 25px;
            }
            
            .login-header h3 {
                font-size: 24px;
            }
        }
        
        /* Animation for form elements */
        .form-group {
            margin-bottom: 25px;
            animation: fadeInUp 0.5s ease-out forwards;
            opacity: 0;
        }
        
        .form-group:nth-child(1) { animation-delay: 0.1s; }
        .form-group:nth-child(2) { animation-delay: 0.2s; }
        .remember-forgot { animation-delay: 0.3s; }
        .login-btn { animation-delay: 0.4s; }
        .divider { animation-delay: 0.5s; }
        .social-login { animation-delay: 0.6s; }
        .register-link { animation-delay: 0.7s; }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .forgot-password-container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
        }
        
        .forgot-password-card {
            background-color: white;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(26, 106, 228, 0.12);
            overflow: hidden;
            min-height: 600px;
        }
        
        .left-panel {
            background: var(--gradient-primary);
            padding: 50px 40px;
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        
        .left-panel::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        
        .left-panel::after {
            content: "";
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }
        
        .brand-logo {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            font-size: 32px;
            color: white;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        
        .brand-logo i {
            margin-right: 10px;
            font-size: 36px;
        }
        
        .left-panel h2 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            font-size: 28px;
            margin-bottom: 15px;
        }
        
        .left-panel p {
            font-size: 16px;
            opacity: 0.9;
            line-height: 1.6;
            margin-bottom: 30px;
        }
        
        .security-features {
            list-style: none;
            padding-left: 0;
            margin-top: 30px;
        }
        
        .security-features li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .security-features i {
            background-color: rgba(255, 255, 255, 0.2);
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }
        
        .right-panel {
            padding: 50px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .header-section {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .header-section h3 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            color: var(--dark-blue);
            font-size: 28px;
            margin-bottom: 10px;
        }
        
        .header-section p {
            color: #666;
            font-size: 16px;
        }
        
        .step-indicator {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
        }
        
        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            width: 120px;
        }
        
        .step:not(:last-child)::after {
            content: "";
            position: absolute;
            top: 20px;
            left: 60px;
            width: 60px;
            height: 2px;
            background-color: #e0e0e0;
        }
        
        .step.active:not(:last-child)::after {
            background-color: var(--primary-blue);
        }
        
        .step-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #e0e0e0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
            margin-bottom: 10px;
            z-index: 1;
        }
        
        .step.active .step-circle {
            background-color: var(--primary-blue);
        }
        
        .step.completed .step-circle {
            background-color: var(--success-green);
        }
        
        .step-label {
            font-size: 14px;
            color: #777;
            text-align: center;
        }
        
        .step.active .step-label {
            color: var(--primary-blue);
            font-weight: 500;
        }
        
        
        
        .submit-btn {
            background: var(--gradient-primary);
            border: none;
            color: white;
            padding: 14px;
            font-weight: 600;
            font-size: 18px;
            border-radius: 10px;
            transition: all 0.3s;
            width: 100%;
            margin-top: 10px;
            margin-bottom: 20px;
        }
        
        .submit-btn:hover:not(:disabled) {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(26, 106, 228, 0.3);
        }
        
        .submit-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }
        
        .back-to-login {
            text-align: center;
            margin-top: 20px;
        }
        
        .back-to-login a {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            transition: color 0.3s;
        }
        
        .back-to-login a:hover {
            color: var(--dark-blue);
            text-decoration: underline;
        }
        
        .back-to-login a i {
            margin-right: 8px;
        }
        
        .verification-method {
            display: flex;
            justify-content: space-between;
            margin-bottom: 30px;
        }
        
        .method-option {
            flex: 1;
            text-align: center;
            padding: 20px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s;
            margin: 0 10px;
        }
        
        .method-option:hover {
            border-color: var(--light-blue);
            background-color: #f8fbff;
        }
        
        .method-option.active {
            border-color: var(--primary-blue);
            background-color: #f0f7ff;
        }
        
        .method-icon {
            font-size: 28px;
            color: var(--primary-blue);
            margin-bottom: 10px;
        }
        
        .method-title {
            font-weight: 600;
            margin-bottom: 5px;
            color: #333;
        }
        
        .method-description {
            font-size: 13px;
            color: #666;
        }
        
        .code-inputs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 30px;
        }
        
        .code-input {
            width: 50px;
            height: 60px;
            text-align: center;
            font-size: 24px;
            font-weight: 600;
            border: 2px solid #ddd;
            border-radius: 8px;
            transition: all 0.3s;
        }
        
        .code-input:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 0.2rem rgba(26, 106, 228, 0.25);
            outline: none;
        }
        
        .countdown-timer {
            text-align: center;
            margin: 20px 0;
            font-size: 16px;
            color: #666;
        }
        
        .resend-link {
            text-align: center;
            margin-top: 20px;
        }
        
        .resend-link a {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 500;
        }
        
        .resend-link a:hover {
            text-decoration: underline;
        }
        
        .resend-link.disabled a {
            color: #999;
            pointer-events: none;
        }
        
        .success-message {
            text-align: center;
            padding: 30px 20px;
        }
        
        .success-icon {
            font-size: 60px;
            color: var(--success-green);
            margin-bottom: 20px;
        }
        
        .success-message h4 {
            color: var(--success-green);
            margin-bottom: 15px;
            font-family: 'Poppins', sans-serif;
        }
        
        .password-strength {
            margin-top: 10px;
            font-size: 14px;
        }
        
        .strength-bar {
            height: 6px;
            background-color: #e0e0e0;
            border-radius: 3px;
            margin-top: 5px;
            overflow: hidden;
        }
        
        .strength-fill {
            height: 100%;
            width: 0%;
            border-radius: 3px;
            transition: width 0.3s, background-color 0.3s;
        }
        
        .strength-text {
            margin-top: 5px;
            font-size: 13px;
        }
        
        .password-requirements {
            list-style: none;
            padding-left: 0;
            margin-top: 15px;
            font-size: 14px;
        }
        
        .password-requirements li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
        }
        
        .password-requirements li i {
            margin-right: 8px;
            font-size: 12px;
        }
        
        .requirement-met {
            color: var(--success-green);
        }
        
        .requirement-not-met {
            color: #dc3545;
        }
        
        /* Form steps */
        .form-step {
            display: none;
        }
        
        .form-step.active {
            display: block;
        }
        
        /* Responsive adjustments */
        @media (max-width: 992px) {
            .left-panel {
                padding: 40px 30px;
            }
            
            .right-panel {
                padding: 40px 30px;
            }
        }
        
        @media (max-width: 768px) {
            .left-panel {
                padding: 30px 25px;
            }
            
            .left-panel h2 {
                font-size: 24px;
            }
            
            .right-panel {
                padding: 30px 25px;
            }
            
            .header-section h3 {
                font-size: 24px;
            }
            
            .step:not(:last-child)::after {
                width: 40px;
                left: 50px;
            }
            
            .verification-method {
                flex-direction: column;
                gap: 15px;
            }
            
            .method-option {
                margin: 0;
            }
        }
        
        /* Animation for form elements */
        .form-step.active {
            animation: fadeIn 0.5s ease-out forwards;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .registration-container {
            max-width: 1300px;
            width: 100%;
            margin: 0 auto;
        }
        
        .registration-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .brand-logo {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            font-size: 36px;
            color: var(--primary-blue);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .brand-logo i {
            margin-right: 15px;
            font-size: 40px;
        }
        
        .registration-header h1 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            color: var(--dark-blue);
            font-size: 32px;
            margin-bottom: 10px;
        }
        
        .registration-header p {
            color: #666;
            font-size: 18px;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .registration-card {
            background-color: white;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(26, 106, 228, 0.12);
            overflow: hidden;
            padding: 40px;
        }
        
        .registration-progress {
            margin-bottom: 40px;
        }
        
        .progress-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-bottom: 20px;
        }
        
        .progress-steps::before {
            content: "";
            position: absolute;
            top: 15px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #e0e0e0;
            z-index: 1;
        }
        
        .progress-bar {
            position: absolute;
            top: 15px;
            left: 0;
            height: 3px;
            background: var(--gradient-primary);
            z-index: 2;
            transition: width 0.5s ease;
        }
        
        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            z-index: 3;
        }
        
        .step-circle {
            width: 35px;
            height: 35px;
            border-radius: 50%;
            background-color: white;
            border: 3px solid #e0e0e0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #777;
            font-weight: 600;
            margin-bottom: 10px;
            transition: all 0.3s;
        }
        
        .step.active .step-circle {
            border-color: var(--primary-blue);
            background-color: var(--primary-blue);
            color: white;
        }
        
        .step.completed .step-circle {
            border-color: var(--success-green);
            background-color: var(--success-green);
            color: white;
        }
        
        .step.completed .step-circle::after {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
        }
        
        .step-label {
            font-size: 14px;
            color: #777;
            font-weight: 500;
        }
        
        .step.active .step-label {
            color: var(--primary-blue);
            font-weight: 600;
        }
        
        .form-section {
            display: none;
        }
        
        .form-section.active {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
        
        .section-header {
            margin-bottom: 30px;
        }
        
        .section-header h3 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            color: var(--dark-blue);
            font-size: 24px;
            margin-bottom: 8px;
        }
        
        .section-header p {
            color: #666;
            font-size: 16px;
        }
        
        .form-label {
            font-weight: 500;
            color: #555;
            margin-bottom: 8px;
        }
        
        .form-label .required {
            color: #dc3545;
        }
        
        
        
        .phone-input-group {
            display: flex;
            gap: 10px;
        }
        
        .country-code-container {
            flex: 0 0 120px;
        }
        
        .phone-number-container {
            flex: 1;
        }
        
        .password-strength {
            margin-top: 10px;
            font-size: 14px;
        }
        
        .strength-bar {
            height: 6px;
            background-color: #e0e0e0;
            border-radius: 3px;
            margin-top: 5px;
            overflow: hidden;
        }
        
        .strength-fill {
            height: 100%;
            width: 0%;
            border-radius: 3px;
            transition: width 0.3s, background-color 0.3s;
        }
        
        .strength-text {
            margin-top: 5px;
            font-size: 13px;
        }
        
        .password-requirements {
            list-style: none;
            padding-left: 0;
            margin-top: 15px;
            font-size: 14px;
        }
        
        .password-requirements li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
        }
        
        .password-requirements li i {
            margin-right: 8px;
            font-size: 12px;
        }
        
        .requirement-met {
            color: var(--success-green);
        }
        
        .requirement-not-met {
            color: #dc3545;
        }
        
        .referral-benefits {
            background-color: #f0f7ff;
            border-radius: 10px;
            padding: 15px;
            margin-top: 15px;
            border-left: 4px solid var(--primary-blue);
        }
        
        .referral-benefits h6 {
            color: var(--primary-blue);
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .referral-benefits ul {
            padding-left: 20px;
            margin-bottom: 0;
            font-size: 14px;
        }
        
        .referral-benefits li {
            margin-bottom: 5px;
        }
        
        .form-buttons {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        
        .btn-secondary {
            background-color: #6c757d;
            color: white;
            border: none;
            padding: 12px 30px;
            font-weight: 500;
            border-radius: 10px;
            transition: all 0.3s;
        }
        
        .btn-secondary:hover {
            background-color: #5a6268;
            transform: translateY(-2px);
        }
        
        .btn-primary {
            background: var(--gradient-primary);
            color: white;
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 10px;
            transition: all 0.3s;
        }
        
        .btn-primary:hover:not(:disabled) {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(26, 106, 228, 0.3);
        }
        
        .btn-primary:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }
        
        .terms-agreement {
            margin-top: 30px;
            padding: 20px;
            background-color: #f9f9f9;
            border-radius: 10px;
        }
        
        .terms-agreement label {
            font-size: 15px;
            color: #555;
        }
        
        .terms-agreement a {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 500;
        }
        
        .terms-agreement a:hover {
            text-decoration: underline;
        }
        
        .login-link {
            text-align: center;
            margin-top: 30px;
            color: #666;
        }
        
        .login-link a {
            color: var(--primary-blue);
            font-weight: 500;
            text-decoration: none;
        }
        
        .login-link a:hover {
            text-decoration: underline;
        }
        
        .success-message {
            text-align: center;
            padding: 50px 20px;
            display: none;
        }
        
        .success-icon {
            font-size: 80px;
            color: var(--success-green);
            margin-bottom: 30px;
        }
        
        .success-message h3 {
            color: var(--success-green);
            margin-bottom: 15px;
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
        }
        
        .success-message p {
            font-size: 18px;
            color: #555;
            max-width: 600px;
            margin: 0 auto 30px;
        }
        
        /* Select2 customizations */
        .select2-container--default .select2-selection--single {
            height: 46px;
            border: 1px solid #ddd;
            border-radius: 10px;
        }
        
        .select2-container--default .select2-selection--single .select2-selection__rendered {
            line-height: 44px;
            padding-left: 15px;
            color: #333;
        }
        
        .select2-container--default .select2-selection--single .select2-selection__arrow {
            height: 44px;
            right: 10px;
        }
        
        .select2-container--default.select2-container--focus .select2-selection--single {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 0.25rem rgba(26, 106, 228, 0.25);
        }
        
        .select2-container--default .select2-results__option--highlighted[aria-selected] {
            background-color: var(--primary-blue);
        }
        
        /* Responsive adjustments */
        @media (max-width: 992px) {
            .registration-card {
                padding: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .registration-card {
                padding: 25px;
            }
            
            .progress-steps {
                flex-wrap: wrap;
                justify-content: center;
                gap: 20px;
            }
            
            .progress-steps::before, .progress-bar {
                display: none;
            }
            
            .phone-input-group {
                flex-direction: column;
                gap: 15px;
            }
            
            .country-code-container, .phone-number-container {
                width: 100%;
            }
            
            .form-buttons {
                flex-direction: column;
                gap: 15px;
            }
            
            .btn-secondary, .btn-primary {
                width: 100%;
            }
        }
        
        /* Animation */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* Loading overlay */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            display: none;
        }
        
        .spinner {
            width: 70px;
            height: 70px;
            border: 5px solid var(--light-blue);
            border-top: 5px solid var(--primary-blue);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .is-valid { border-color: #28a745; }
.is-invalid { border-color: #dc3545; }