html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background-color: #f8f9fa; /* Light grey background color */
}

.main-content {
    flex: 1; /* Take up the remaining space */
}

.footer {
    height: 100px; /* Height of the footer */
    background-color: #f5f5f5;
    border-top: 1px solid #ddd;
    text-align: center;
    padding-top: 30px;
}

@media (max-width: 576px) {
    .table th, .table td {
        font-size: 12px; /* Adjust font size for mobile */
    }
}

.watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.1; /* Adjust the transparency */
    z-index: -1; /* Ensure the watermark is behind other content */
    width: 30%; /* Adjust the size of the watermark */
    height: auto;
}

.notification {
    position: fixed;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 600px;
    z-index: 1000;
    transition: top 0.5s ease, opacity 0.5s ease;
    opacity: 0;
    visibility: hidden;
}

    .notification.show {
        top: 0;
        opacity: 1;
        visibility: visible;
    }

header h1 {
    font-size: 2em;
    color: #333;
}


.tracking-info {
    background-color: #e9ecef;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

    .tracking-info h3 {
        margin: 0;
        font-size: 1.2em;
        color: #333;
    }

    .tracking-info p {
        margin: 5px 0;
        color: #555;
    }

.tracking-table table {
    width: 100%;
    border-collapse: collapse;
}

.tracking-table th,
.tracking-table td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: center;
}

.tracking-table th {
    background-color: #007bff;
    color: #fff;
}

.tracking-table tbody tr:nth-child(even) {
    background-color: #f2f2f2;
}

.custom-checkbox {
    display: block;
    position: relative;
    padding-left: 25px;
    cursor: pointer;
    font-size: 16px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

    .custom-checkbox input {
        position: absolute;
        opacity: 0;
        cursor: pointer;
        height: 0;
        width: 0;
    }

    .custom-checkbox .checkmark {
        position: absolute;
        top: 0;
        left: 0;
        height: 20px;
        width: 20px;
        background-color: #f8f9fa;
    }

    .custom-checkbox input:checked ~ .checkmark {
        background-color: #f8f9fa;
    }

    .custom-checkbox .checkmark:after {
        content: "";
        position: absolute;
        display: none;
        left: 6px;
        top: 2px;
        width: 5px;
        height: 10px;
        border: solid black;
        border-width: 0 3px 3px 0;
        -webkit-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
        transform: rotate(45deg);
    }

    .custom-checkbox input:checked ~ .checkmark:after {
        display: block;
    }

.memo-section {
    margin-top: 20px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 5px;
}

.memo-list {
    list-style: none;
    padding: 0;
}

    .memo-list li {
        padding: 8px 0;
        border-bottom: 1px solid #ddd;
    }

.view-memo-link {
    color: #007bff;
    text-decoration: none;
    margin-left: 10px;
}

    .view-memo-link:hover {
        text-decoration: underline;
    }