/* styles.css */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    color: #333;
}

header {
    background: #007bff;
    color: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.menu {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
    margin: 0;
}

.menu li {
    margin: 0 1rem;
}

.menu li a {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    display: block;
    border-radius: 4px;
}

.menu li a:hover {
    background: #0056b3;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

footer {
    background: #007bff;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #333;
}

form {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    margin: 20px auto;
}

label {
    display: block;
    margin-bottom: 10px;
    color: #333;
    font-weight: bold;
}

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

input[type="submit"] {
    background: #28a745;
    color: #fff;
    padding: 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

input[type="submit"]:hover {
    background: #218838;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

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

.course-list {
    list-style: none;
    padding: 0;
}

.course-list li {
    background: #fff;
    margin: 10px 0;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-list li a {
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
}

.course-list li a:hover {
    text-decoration: underline;
}

.course-list li .enroll-button {
    background: #007bff;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
}

.course-list li .enroll-button:hover {
    background: #0056b3;
}