body {
    font-family: sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1000px;
    margin: 50px auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    margin-top: 0;
}

label {
    display: block;
    margin: 10px 0 5px;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background: #27ae60;
    color: white;
    padding: 10px;
    border: none;
    width: 100%;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #219150;
}

.error {
    background: #e74c3c;
    color: white;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
th, td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: left;
}
th {
    background: #f0f0f0;
}
a {
    color: #2980b9;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.navbar {
    background: #2c3e50;
    padding: 10px;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: 8px;
}

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

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

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
th, td {
    padding: 8px;
    border: 1px solid #ccc;
    text-align: left;
}
th {
    background: #f5f5f5;
}

.select2-container {
    margin-bottom: 1rem;
}
.select2-selection--multiple {
    min-height: 38px;
}
