/* Signature Pad Styles */
#signature-pad {
    width: 100%;
    max-width: 90%;
    height: 40vh;
    min-height: 250px;
    max-height: 400px;
    border: 2px solid #000;
    border-radius: 8px;
    background: white;
    cursor: crosshair;
    display: block;
    margin: 20px auto;
    box-sizing: border-box;
}

#message {
    margin-top: 10px;
    color: green;
    font-weight: bold;
    min-height: 20px;
    text-align: center;
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 1440px) {
    body {
        font-size: 15px;
    }
    
    #signature-pad {
        height: 38vh;
        min-height: 230px;
    }
}

@media (max-width: 1024px) {
    body {
        font-size: 14px;
    }
    
    #signature-pad {
        height: 35vh;
        min-height: 200px;
        max-height: 350px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 13px;
    }
    
    #signature-pad {
        width: 95%;
        height: 30vh;
        min-height: 180px;
        max-height: 300px;
        margin: 15px auto;
    }
    
    #message {
        font-size: 0.9rem;
        margin-top: 8px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 12px;
    }
    
    #signature-pad {
        width: 98%;
        height: 25vh;
        min-height: 150px;
        max-height: 250px;
        margin: 10px auto;
        border-width: 1px;
    }
    
    #message {
        font-size: 0.85rem;
        margin-top: 5px;
        min-height: 18px;
    }
}

@media (max-width: 375px) {
    body {
        font-size: 11px;
    }
    
    #signature-pad {
        height: 22vh;
        min-height: 120px;
        max-height: 200px;
        margin: 8px auto;
    }
    
    #message {
        font-size: 0.8rem;
        margin-top: 3px;
        min-height: 16px;
    }
}