body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
}

h1, h2, h3 {
    color: #2c3e50;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    background: #fff;
    padding: 20px 30px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
}

form input[type="text"],
form input[type="email"],
form input[type="password"],
form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

form input[type="submit"],
form button {
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

form input[type="submit"]:hover,
form button:hover {
    background-color: #0056b3;
}

a {
    color: #007BFF;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

hr {
    border: 0;
    border-top: 1px solid #ddd;
    margin: 20px 0;
}

.message {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.success {
    background-color: #d4edda;
    color: #155724;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
}