body {
    font-family: 'Roboto', sans-serif;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 20px;
    transition: background-color 0.5s; 
}

h2 {
    margin-top: 20px;
    font-size: 28px;
    color: #2c3e50;
    border-bottom: 2px solid #e74c3c;
    padding-bottom: 10px;
    animation: fadeIn 0.5s;
}

.sidebar {
    height: 100vh;
    padding-top: 20px;
    background-color: #ecf0f1;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar-title {
    text-align: center;
    margin-bottom: 20px;
    color: #34495e;
    font-size: 1.5em;
}

.nav-link-bn{
    color: #34495e;
    padding: 15px 20px;
    width: 90px;
    height: 40px;
    text-decoration: none;
    display: block;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s, transform 0.3s;
}

.nav-link {
    color: #34495e;
    padding: 15px 20px;
    width: 200px;
    height: 90px;
    text-decoration: none;
    display: block;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s, transform 0.3s;
}

.nav-link:hover {
    background-color: #dfe6e9;
    color: #2c3e50;
    transform: scale(1.05);
}

.btn-primary {
    background-color: #8e44ad;
    border: none;
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    animation: fadeIn 0.5s;
}

.btn-primary:hover {
    background-color: #732d91;
    transform: scale(1.05);
}


#message-area {
    display: none;
    margin-top: 20px;
    transition: opacity 0.5s ease;
}

.alert {
    padding: 15px;
    border-radius: 5px;
    margin-top: 10px;
    opacity: 0;
    animation: fadeIn 0.5s forwards;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}


.table {
    width: 100%;
    background-color: #ffffff;
    color: #000000;
    border-collapse: collapse;
    margin-top: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.table th, .table td {
    border: 1px solid #bdc3c7;
    padding: 12px;
    text-align: left;
}

.table th {
    background-color: #f0f4f7;
    color: #34495e;
}

.table tr:nth-child(even) {
    background-color: #f8f9fa;
}

.table tr:hover {
    background-color: #e2e6ea;
    transition: background-color 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}