body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #0d1117;
    color: white;
    margin: 0;
}

#wrapper {
    width: 900px;
    margin: 25px auto;
    background-color: #161b22;
    border: 2px solid #238636;
}

header {
    text-align: center;
    padding: 25px;
    background-color: #010409;
    border-bottom: 2px solid #238636;
}

header h1 {
    color: #58a6ff;
    margin-bottom: 5px;
}

nav {
    text-align: center;
    padding: 12px;
    background-color: #0d1117;
}

nav a {
    color: #39d353;
    text-decoration: none;
    margin: 15px;
    font-weight: bold;
}

nav a:hover {
    color: #58a6ff;
}

main {
    padding: 30px;
}

.card {
    background-color: #21262d;
    padding: 25px;
    border: 1px solid #30363d;
    width: 500px;
    margin: auto;
}

.card h2 {
    color: #58a6ff;
}

label {
    display: block;
    margin-top: 15px;
}

input {
    width: 95%;
    padding: 10px;
    margin-top: 5px;
    background-color: #0d1117;
    color: white;
    border: 1px solid #39d353;
}

button {
    margin-top: 20px;
    padding: 10px 18px;
    background-color: #238636;
    color: white;
    border: none;
    font-weight: bold;
}

button:hover {
    background-color: #2ea043;
}

#result {
    color: #39d353;
    margin-top: 20px;
}

#message {
    color: #58a6ff;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 15px;
    background-color: #010409;
    border-top: 2px solid #238636;
}

#error {
    color: red;
    font-weight: bold;
    margin-top: 10px;
}

#formError {
    color: red;
    font-weight: bold;
}

#formSuccess {
    color: green;
    font-weight: bold;
}