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

nav {
    background-color: #333;
    color: white;
    padding: 1rem;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

form div {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input, textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background-color: #333;
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #555;
}

.alert {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.info-box {
    background-color: #e9ecef;
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
}