* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: Arial, sans-serif;
}
body {
background-color: #f4f6f9;
}
.sidebar {
width: 220px;
height: 100vh;
background: #1f2937;
position: fixed;
color: white;
padding-top: 20px;
}
.sidebar h2 {
text-align: center;
margin-bottom: 30px;
}
.sidebar a {
display: block;
color: white;
text-decoration: none;
padding: 15px 20px;
transition: 0.3s;
}
.sidebar a:hover {
background: #374151;
}
.main {
margin-left: 220px;
padding: 20px;
}
.card {
background: white;
padding: 20px;
border-radius: 10px;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
margin-bottom: 20px;
}
.table {
width: 100%;
border-collapse: collapse;
}
.table th,
.table td {
border: 1px solid #ddd;
padding: 12px;
}
.table th {
background: #111827;
color: white;
}
.btn {
padding: 10px 18px;
border: none;
border-radius: 5px;
cursor: pointer;
text-decoration: none;
}
.btn-primary {
background: #2563eb;
color: white;
}
.btn-danger {
background: #dc2626;
color: white;
}
.form-group {
margin-bottom: 15px;
}
.form-group label {
display: block;
margin-bottom: 5px;
}
.form-group input,
.form-group select {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
}

.login-container {

    width: 100%;
    height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;

}

.login-container .card {

    width: 400px;

}