body {
    background-color: #f8f9fa;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card {
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

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

.table img {
    max-width: 100px;
    height: auto;
}

.form-label {
    font-weight: bold;
}

.modal-body .form-control {
    margin-bottom: 10px;
}

.input-group {
    max-width: 400px;
}

.sort-link {
    color: #007bff;
    text-decoration: none;
}

.sort-link:hover {
    text-decoration: underline;
}

.sort-link::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 5px;
    vertical-align: middle;
}

.sort-link.asc::after {
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #007bff;
}

.sort-link.desc::after {
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #007bff;
}