/* styles.css */
body {
    background-color: #f8f9fa;
    font-family: 'Roboto', sans-serif;
}
.container {
    margin-top: 50px;
}
.card {
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
.card-header {
    background-color: #007bff;
    color: white;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    position: relative;
}
.card-header h1 {
    margin: 0;
    flex: 1;
    text-align: center;
}
.card-header form {
    margin: 0;
    position: absolute;
    top: 15px;
    left: 15px;
}
.card-body {
    padding: 30px;
}
.btn-custom {
    background-color: #007bff;
    border-color: #007bff;
    color: white;
    transition: all 0.3s ease;
}
.btn-custom:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}
.btn-danger-custom {
    background-color: #dc3545;
    border-color: #dc3545;
    color: white;
    transition: all 0.3s ease;
}
.btn-danger-custom:hover {
    background-color: #c82333;
    border-color: #c82333;
}
.btn-warning-custom {
    background-color: #ffc107;
    border-color: #ffc107;
    color: white;
    transition: all 0.3s ease;
}
.btn-warning-custom:hover {
    background-color: #e0a800;
    border-color: #e0a800;
}
.table-custom th {
    background-color: #007bff;
    color: white;
}
.table-custom td {
    background-color: white;
    color: #495057;
}
.footer {
    margin-top: 20px;
    text-align: center;
    color: #6c757d;
}
.expired {
    color: red;
}