body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f8ff; /* Pastel blue background */
    color: #333;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow-x: hidden;
    overflow-y: auto;
    background-image: linear-gradient(to bottom right, #e6f7ff, #fffaf0); /* Soft pastel blue and yellow gradient */
}

.container {
    max-width: 90%;
    margin: 20px;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    box-sizing: border-box;
    margin-top: 20px;
    position: relative;
}

header h1 {
    font-size: 2em;
    color: #77dd77; /* Pastel green for the main heading */
    margin-bottom: 10px;
}

header p {
    font-size: 1.1em;
    color: #333;
}

.upload-info h2 {
    font-size: 1.8em;
    color: #77dd77; /* Pastel green for subheading */
    margin-bottom: 10px;
}

.upload-info p {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 20px;
}

.upload-info ol {
    list-style-type: decimal;
    margin: 0 0 20px 20px;
    padding-left: 1.2em;
    text-align: left;
    font-size: 1em;
    color: #444;
}

.upload-info ol li {
    margin: 10px 0;
    padding-left: 10px;
}

.upload-btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: #77dd77; /* Pastel green for the button */
    color: #333;
    text-decoration: none;
    font-size: 1.1em;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    margin-top: 20px;
}

.upload-btn:hover {
    background-color: #99e699; /* Lighter pastel green on hover */
}

.qr-code {
    margin-top: 20px;
}

.qr-code img {
    max-width: 150px;
    height: auto;
    border-radius: 10px;
    border: 2px solid #77dd77; /* Pastel green border for the QR code */
}

footer {
    margin-top: 30px;
    font-size: 1em;
    color: #666;
}

footer p {
    margin: 5px 0;
}

footer p:last-child {
    font-style: italic;
}

/* Additional patterns or decorations */

.container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background-color: #aec6cf; /* Pastel blue accent */
    border-radius: 50%;
    opacity: 0.5;
    z-index: -1;
}

.container::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background-color: #fdfd96; /* Pastel yellow accent */
    border-radius: 50%;
    opacity: 0.5;
    z-index: -1;
}