/* styles.css */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
   /* color: #333; */
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-weight: bold;
}

input[type="file"] {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #0056b3;
}

#result {
    margin-top: 20px;
    text-align: center;
}

#result img {
    max-width: 100%;
    height: auto;
    border: 2px solid #ddd;
    border-radius: 4px;
}
 
#previewCanvas {
    display: block;
    max-width: 100%;
    max-height: 300px;
    margin: 10px auto;
    border: 1px solid #ccc;
    cursor: crosshair;
}

#selectedColorBox {
    width: 50px;
    height: 50px;
    margin: 10px auto;
    border: 1px solid #000;
}

#colorTolerance {
    width: 100%;
}

#toleranceValue {
    display: inline-block;
    margin-left: 10px;
}

#spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1000;
    background-color: #FFF;
    padding: 10px;    
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;

    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#spinner p {
    margin-top: 10px;
    font-size: 16px;
    color: #333;
}