body {
    font-family: Arial, sans-serif;
    background-color: #ececec;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: block;
}

header {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 0;
    margin-left: 0;
    margin-right: 0;
}

header h1 {
    text-align: center;
    color: #333;
    padding: 0;
    margin: 0;
}
header p {
    color: #666;
    font-size: 14px;
    margin-top: 5px;
    padding: 0;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.form-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    margin-bottom: 10px;
    max-width: 600px;
    padding: 20px;
    margin: auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

#barcode-form {
    display: flex;
    flex-direction: column;
    width: 100%;
}

#barcode-form fieldset {
    border: none;
    padding: 0;
    margin: 0 0 5px 0;
    width: auto;
    display: flex;
    flex-direction: column;
}

#barcode-form input[type="text"],
#barcode-form select {
    width: auto;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#barcode-form label {
    margin-bottom: 5px;
    font-weight: bold;
}

#barcode-form .error-message {
    color: red;
    font-size: 12px;
    margin-top: 2px;
}

#barcode-form #add-btn {
    margin-top: 5px;
    margin-bottom: 10px;
    padding: 10px 15px;
    background-color: #2f91e2;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#barcode-form #add-btn:hover {
    background-color: #1a73e8;
}

.barcode-list {
    width: 100%;
    margin-top: 20px;
}

.barcode-list h2 {
    text-align: center;
    color: #333;
}

.barcode-list .list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.barcode-list .list-header h2 {
    margin: 0;
}
.barcode-list .list-header .clear-btn {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.barcode-list .list-header .clear-btn:hover {
    background-color: #c0392b;
}

.barcode-items {
    list-style-type: none;
    padding: 0;
}

.barcode-items li {
    background-color: #b8daf5;
    padding: 10px;
    margin: 5px 0;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.data-container {
    display: flex;
    flex-direction: row;
    gap: 10px;
    width: 100%;
}

.data-container span {
    font-weight: bold;
}

.barcode-items li .delete-btn {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.barcode-items li .delete-btn:hover {
    background-color: #c0392b;
}

.generate-btn {
    background-color: #2f91e2;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 20px;
}

.generate-btn:hover {
    background-color: #1a73e8;
}

.barcode-display-container {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.barcode-display {
    display: flex;
    align-items: center;
    width: auto;
    max-width: 600px;
    flex-wrap: wrap;
    justify-content: center;
}

.disable {
    display: none;
}

.barcode-display h2 {
    text-align: center;
    color: #333;
}

.barcode-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 5px;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 4px;
}

.barcode-title {
    margin-bottom: 2px;
    padding: 0;
    font-size: 18px;
    color: #333;
}

.barcode-img {
    margin-bottom: 10px;
}

.download-btn {
    background-color: #2f91e2;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
}

.download-btn:hover {
    background-color: #1a73e8;
}

#download-all-btn {
    margin-top: 20px;
}

.readme {
    width: 100%;
    max-width: 600px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-top: 20px;
    margin-bottom: 10px;
}

.readme hr {
    margin: 0;
    padding: 0;
}

footer {
    width: 100%;
    max-width: 600px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding-top: 5px;
    padding-bottom: 5px;
    padding-left: 20px;
    padding-right: 20px;
    margin-top: 20px;
    margin-bottom: 10px;
}

footer p {
    color: #666;
    font-size: 14px;
    margin: 10px 0;
    padding: 3px;
}

footer a {
    color: #2f91e2;
    text-decoration: none;
}