body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #f0f4f8;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5em;
    color: #0073e6;
    margin-bottom: 0;
}

h2 {
    font-size: 1.8em;
    color: #005bb5;
    margin-bottom: 10px;
}

.instructions,
.qr-form {
    background-color: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.instructions ol {
    padding-left: 20px;
}

.instructions li {
    margin-bottom: 10px;
}

.qr-form .form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="text"],
input[type="number"],
input[type="file"],
input[type="color"],
select {
    width: calc(100% - 22px); /* Adjusted to prevent overflow */
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
    margin-bottom: 10px;
}

button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #0073e6;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #005bb5;
}

.qr-preview {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

canvas {
    max-width: 100%;
    height: auto;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-top: 10px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #0073e6;
    color: #fff;
    position: fixed;
    width: 100%;
    bottom: 0;
    left: 0;
}