body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    height: 100%;
}

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    width: 300px;
}

.login-container h2 {
    margin-top: 0;
    text-align: center;
    color: #333;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #666;
}

.form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 10px;
    background: #0056b3;
    border: none;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background: #004494;
}

.error {
    color: red;
    margin-bottom: 10px;
    font-size: 14px;
    text-align: center;
}

/* Dashboard Styles */
body:not(.login-body) {
    display: flex;
}

.sidebar {
    width: 250px;
    background: #2c3e50;
    color: #fff;
    height: 100vh;
    position: fixed;
}

.sidebar h2 {
    text-align: center;
    padding: 20px 0;
    margin: 0;
    background: #1a252f;
}

.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar ul li a {
    display: block;
    padding: 15px 20px;
    color: #ecf0f1;
    text-decoration: none;
    border-bottom: 1px solid #34495e;
}

.sidebar ul li a:hover {
    background: #34495e;
}

.content {
    margin-left: 250px;
    padding: 20px;
    width: calc(100% - 250px);
}

.content header {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.content header h1 {
    margin: 0;
    font-size: 24px;
    color: #333;
}

.dashboard-cards {
    display: flex;
    gap: 20px;
}

.card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    flex: 1;
}

.card h3 {
    margin-top: 0;
    color: #0056b3;
}