:root {
            --primary-color: #00cb82;
            --primary-hover: #00b073;
            --secondary-color: #f8f9fa;
        }
        
        body {
            background-color: #f5f5f5;
            font-family: 'Roboto', sans-serif;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            margin: 0;
        }
        
        .otp-card {
            width: 100%;
            max-width: 450px;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        
        .card-header {
            background-color: #0a58ca;
            color: white;
            text-align: center;
            padding: 1.5rem;
        }
        
        .card-header h2 {
            font-family: 'Pacifico', sans-serif;
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }
        
        .card-header p {
            font-family: 'Courgette', sans-serif;
            margin-bottom: 0;
            font-size: 1.1rem;
        }
        
        .card-body {
            padding: 2rem;
            background-color: white;
        }
        
        .form-control {
            height: 50px;
            border-radius: 5px;
            border: 1px solid #e1e1e1;
        }
        
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(0, 203, 130, 0.25);
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.5rem 1rem;
            font-weight: 600;
            width: 100%;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
        }
        
        .text-center a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        
        .text-center a:hover {
            text-decoration: underline;
        }