body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2, h3 {
    text-align: center;
    color: #333;
}

input, button {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
}

button {
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background-color: #45a049;
}

a {
    text-decoration: none;
    color: #2196f3;
}

ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

li {
    margin: 10px 0;
    text-align: center;
    text-decoration: none;
}

.success {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 10px;
    border-radius: 8px;
    text-align: center;
}
.error {
    background: #ffebee;
    color: #c62828;
    padding: 10px;
    border-radius: 8px;
    text-align: center;
}