/* Reset styling */
body, h1, h2, p {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

/* Container utama */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

/* Form login */
.login-form {
    background: white;
    padding: 30px 25px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin-top: 50px;
}

.login-form h2 {
    margin-bottom: 20px;
}

.login-form input {
    width: 100%;
    margin-bottom: 20px;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.login-form button {
    width: 100%;
    padding: 12px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.login-form button:hover {
    background: #0056b3;
}

/* Error message */
.error {
    color: red;
    margin-top: 10px;
}

/* Table styling */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 10px;
    text-align: center;
}

th {
    background-color: #f4f4f4;
}

/* Responsive design */
@media (max-width: 768px) {
    .login-form {
        margin-top: 20px;
    }

    table {
        font-size: 14px;
    }

    th, td {
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .login-form {
        padding: 20px 15px;
    }

    .login-form input, .login-form button {
        padding: 10px;
    }

    table {
        font-size: 12px;
    }
}

/* Navigation menu */
nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: space-around;
    background-color: #007bff;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 10px 15px;
    color: white;
    text-decoration: none;
}

nav ul li a:hover {
    background-color: #0056b3;
}