body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 40px;
    color: #333;
}

h2, h3 {
    color: #2c3e50;
}

.login-container, .dashboard-container {
    max-width: 600px;
    margin: auto;
    padding: 40px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button[type="submit"] {
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button[type="submit"]:hover {
    background-color: #2980b9;
}

.logout-link {
    display: inline-block;
    margin-top: 10px;
    color: red;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 8px 12px;
    border: 1px solid #ccc;
    text-align: center;
}

th {
    background-color: #f2f2f2;
}

#chart-container {
    display: none;
    margin-top: 40px;
    width: 100%;
    overflow-x: auto;
}

#toggleViewBtn {
    margin-top: 20px;
    padding: 10px 20px;
}

/* Responsive enhancements */
@media (max-width: 600px) {
    .login-container, .dashboard-container {
        padding: 20px;
    }

    table {
        font-size: 14px;
    }

    th, td {
        padding: 6px;
    }

    #toggleViewBtn {
        width: 100%;
        padding: 12px;
        font-size: 16px;
    }

    canvas {
        max-width: 100%;
    }
}