body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #e6f0fa, #ffffff);
    color: #333;
    width: 100vw;
    overflow-x: hidden;
}
.container {
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
}
h2 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 20px;
}
.login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}
.form-group textarea {
    height: 100px;
    resize: vertical;
}
button {
    width: 100%;
    padding: 10px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}
button:hover {
    background-color: #2980b9;
}
.error, .success {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}
.error {
    background-color: #f8d7da;
    color: #721c24;
}
.success {
    background-color: #d4edda;
    color: #155724;
}
.dashboard-container {
    padding: 20px;
}
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.card {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}
.card h3 {
    margin-top: 0;
    color: #2c3e50;
}
.btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    margin: 5px;
}
.btn-danger {
    background-color: #e74c3c;
}
.btn:hover {
    opacity: 0.9;
}
.btn.active {
    background-color: #2c3e50;
    cursor: default;
}
.user-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.user-table th, .user-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
.user-table th {
    background-color: #3498db;
    color: #fff;
}
.user-table tr:hover {
    background-color: #f5f5f5;
}
.pagination {
    margin-top: 20px;
    text-align: center;
}
.pagination .btn {
    margin: 0 5px;
}
header {
    background-color: #2c3e50;
    color: #fff;
    padding: 15px 0;
    text-align: center;
    width: 100%;
    margin: 0;
}
header h1 {
    margin: 0;
}
nav {
    background-color: #34495e;
    padding: 10px 0;
    width: 100%;
}
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}
nav ul li {
    margin: 0 15px;
}
nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
}
nav ul li a:hover {
    text-decoration: underline;
}
footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .user-table th, .user-table td {
        font-size: 14px;
    }
}