/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 800px;
    margin: 30px auto;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

/* Headings */
h1 {
    text-align: center;
    color: #333333;
    margin-bottom: 20px;
}

/* Form Styles */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333333;
    font-weight: bold;
}

.form-group select,
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #dddddd;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
}

.form-group textarea {
    resize: vertical;
}

/* Button Styles */
.btn {
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 4px;
    border: none;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    display: block;
    width: 100%;
    text-align: center;
}

.btn:hover {
    background-color: #0056b3;
}

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    padding-left: 0;
    list-style: none;
}

.pagination .page-item {
    margin: 0 5px;
}

.pagination .page-link {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #007bff;
    text-decoration: none;
}

.pagination .page-link:hover {
    background-color: #f4f4f4;
}

.pagination .page-item.active .page-link {
    background-color: #007bff;
    border-color: #007bff;
    color: white;
}

/* Navbar Styles */
.navbar {
    background-color: #007bff;
    padding: 10px;
    color: white;
    text-align: center;
}

.navbar a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
}

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

/* Footer Styles */
.footer {
    background-color: #f1f1f1;
    padding: 10px;
    text-align: center;
    color: #333333;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Enhanced Table Styles */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 16px;
    background-color: #fff;
}

.table th,
.table td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: left;
}

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

.table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.table tr:hover {
    background-color: #f1f1f1;
}

.table-responsive {
    overflow-x: auto;
}

/* Form Validation Styles */
.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    color: #dc3545;
    font-size: 0.875em;
    margin-top: 0.25rem;
}

/* Modal Styles */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
    padding-top: 60px;
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 8px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}