// ... existing code ...

/* Admin Page Styles */
.admin-container {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 1200px;
    margin: 2rem auto;
}

.tabs {
    display: flex;
    margin-bottom: 2rem;
    border-bottom: 1px solid #dadce0;
}

.tablinks {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: #5f6368;
    border-bottom: 3px solid transparent;
}

.tablinks.active {
    color: #1a73e8;
    border-bottom: 3px solid #1a73e8;
}

.tabcontent {
    display: none;
    padding: 1rem 0;
}

.tabcontent.active {
    display: block;
}

.lab-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.lab-table th, .lab-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #dadce0;
}

.lab-table th {
    background-color: #f8f9fa;
    color: #3c4043;
}

.lab-table tr:hover {
    background-color: #f8f9fa;
}

.btn-open {
    padding: 0.5rem 1rem;
    background-color: #1a73e8;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-open:hover {
    background-color: #1557b0;
}