* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}
body {
    margin: 0;
    padding: 0;
    background: #f0f2f5;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.container {
    background: white;
    padding: 30px 40px;
    max-width: 400px;
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
h2 {
    margin-top: 0;
    font-size: 24px;
    text-align: center;
}
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
input[type="text"],
input[type="email"],
input[type="password"] {
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    padding: 10px;
    font-size: 16px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #0056b3;
}
.error {
    color: red;
    font-size: 14px;
    margin-bottom: -10px;
}
p {
    font-size: 14px;
    text-align: center;
}
a {
    color: #007bff;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}