:root {
            --primary: #e74c3c;
            --secondary: #3498db;
            --accent: #f39c12;
            --light: #f8f9fa;
            --dark: #2c3e50;
            --success: #2ecc71;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 20px;
        }
        
        .register-container {
            max-width: 600px;
            width: 100%;
            margin: 0 auto;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow: hidden;
        }
        
        .register-header {
            background: linear-gradient(to right, var(--primary), #c0392b);
            color: white;
            padding: 2rem;
            text-align: center;
        }
        
        .register-header h1 {
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        
        .register-body {
            padding: 2rem;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-control {
            height: 50px;
            border-radius: 8px;
            border: 1px solid #ddd;
            padding: 0 15px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
        }
        
        label {
            font-weight: 500;
            margin-bottom: 0.5rem;
            display: block;
        }
        
        .btn-register {
            background-color: var(--primary);
            color: white;
            border: none;
            height: 50px;
            border-radius: 8px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            width: 100%;
            transition: all 0.3s;
            margin-top: 1rem;
        }
        
        .btn-register:hover {
            background-color: #c0392b;
            transform: translateY(-2px);
        }
        
        .login-link {
            text-align: center;
            margin-top: 1.5rem;
            color: #666;
        }
        
        .login-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        
        .benefits-list {
            margin-top: 1.5rem;
            padding-left: 0;
            list-style: none;
        }
        
        .benefits-list li {
            margin-bottom: 0.8rem;
            position: relative;
            padding-left: 2rem;
        }
        
        .benefits-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--success);
            position: absolute;
            left: 0;
        }
        
        .referral-box {
            background: rgba(52, 152, 219, 0.1);
            border-left: 4px solid var(--secondary);
            padding: 1rem;
            border-radius: 0 8px 8px 0;
            margin-bottom: 1.5rem;
        }
        
        @media (max-width: 576px) {
            body {
                padding: 10px;
            }
            
            .register-header {
                padding: 1.5rem;
            }
            
            .register-body {
                padding: 1.5rem;
            }
        }