/* General Styles */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
    text-align: center;
}

h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 2rem;
}

/* Input Section */
.input-section {
    margin-bottom: 1.5rem;
}

#qr-input {
    width: 70%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

#generate-btn {
    background: #007bff;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#generate-btn:hover {
    background: #0056b3;
}

/* Color Section */
.color-section {
    margin-bottom: 1.5rem;
}

.color-section label {
    font-size: 1rem;
    margin-right: 10px;
}

.color-section input[type="color"] {
    padding: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-right: 10px;
}

/* Loader */
.loader {
    display: none;
    font-size: 1.2rem;
    color: #007bff;
    margin-bottom: 1.5rem;
}

/* QR Code Section */
.qr-section {
    margin: 1.5rem 0;
}

#qr-code {
    border: 1px solid #ccc;
    border-radius: 5px;
    max-width: 100%;
    height: auto;
}

/* Download Button */
#download-btn {
    background: #28a745;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#download-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

#download-btn:hover:not(:disabled) {
    background: #218838;
}