body {
    font-family: sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-size: 16px; /* Set a base font size */
}
.login-form {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}
.login-form h2 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.5em; /* Use relative units */
}
.login-form form {
    background: #ffffff;
    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.1);
    padding: 30px;
    border-radius: 8px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 1.2em; /* Use relative units */
}
.form-control, .btn {
    width: 100%;
    box-sizing: border-box; /* Important for padding and width */
    min-height: 44px;
    border-radius: 4px;
    border: 1px solid #ddd;
    padding: 15px;
    font-size: 1.2em; /* Use relative units for inputs */
}
.btn {
    font-weight: bold;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}
.btn:hover {
    background-color: #0056b3;
}
.alert-danger {
    color: #a94442;
    background-color: #f2dede;
    border-color: #ebccd1;
    padding: 15px;
    margin-top: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}
.container {
    width: 90%;
    max-width: 1200px;
    margin: 50px auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}
th {
    background-color: #f2f2f2;
}
.btn-danger {
    background-color: #f44336;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    text-decoration: none;
}

/* Add media query for mobile devices */
@media screen and (max-width: 600px) {
    body {
        padding: 10px;
        font-size: 18px; /* Increase base font size on mobile */
    }
    .login-form form {
        padding: 20px;
    }
    .form-control, .btn {
        padding: 20px; /* Increase padding for larger tap targets */
        font-size: 1.5em; /* Make fonts in inputs much larger */
    }
    .login-form h2 {
        font-size: 2em; /* Make header larger */
    }
}