/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        border-radius: 10px;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 1.5em;
    }
    
    .captcha-canvas {
        max-width: 100%;
        height: auto;
    }
}

@media (max-width: 600px) {
    .buttons {
        flex-direction: column;
    }
    
    button {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-group input {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 15px;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .captcha-section {
        padding: 15px;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .stat-card {
        padding: 10px;
    }
    
    .info-section {
        padding: 15px;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }
    
    .container {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .buttons {
        display: none;
    }
    
    .captcha-canvas {
        border: 1px solid #333;
    }
}