/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
}

header, footer {
    background-color: #F8F9FB;
    color: #333;
    text-align: center;
    padding: 1em 0;
}

.container {
    padding: 20px;
}

/* Navbar Styles */
.navbar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.navbar ul {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.navbar li {
    margin: 0 10px;
}

.navbar a {
    color: #333;
    text-decoration: none;
}

.navbar a:hover {
    text-decoration: underline;
}

/* Table Styles */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    margin-bottom: 1rem;
    color: #212529;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem;
    vertical-align: top;
    border: 1px solid #dee2e6;
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid #dee2e6;
    background-color: #F2F2F2;
}

.table tbody + tbody {
    border-top: 2px solid #dee2e6;
}

.table-hover tbody tr:hover {
    color: #212529;
    background-color: rgba(0, 0, 0, 0.075);
}

/* Button Styles */
.btn {
    display: inline-block;
    font-weight: 400;
    color: #212529;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    color: #fff;
    background-color: #0056b3;
    border-color: #004085;
}

/* Form Styles */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .navbar ul {
        flex-direction: column;
    }

    .navbar li {
        margin: 5px 0;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 10px;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }

    .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
    }
}

/* Error Message Styles */
.error {
    padding: 20px;
    background-color: #dc3545;
    color: white;
    margin-bottom: 20px;
}