body {
    color: #ffffff;
}

table {
    border-collapse: collapse;
}

th,
td {
    border: 1px solid #ffffff;
    padding: 8px;
}

th {
    background-color: #4a5568;
}

#qrcode {
    position: relative;
    width: 200px;
    height: 200px;
    background-color: transparent;
    color: white;
}

.container {
    width: 100%;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
}

.input-field {
    background-color: #1f2937;
}

.input-field input[type="text"],
.input-field select {
    background-color: #1f2937;
    color: #ffffff;
}

.input-field input[type="text"]::placeholder,
.input-field select option {
    color: #9CA3AF;
}

.input-field input[type="text"]:focus,
.input-field select:focus {
    outline: none;
    border-color: #60A5FA;
}

.preview {
    background-color: #3B82F6;
    padding: 2px 8px;
    font-size: 14px;
}

.preview:hover {
    background-color: #2563EB;
}