body {
    font-family: 'Kanit', sans-serif;
    background: linear-gradient(to right, #03346E, #6EACDA, #bde2ff);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

main {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 16px #00000033;
    text-align: center;
    width: 400px;
}

h1 {
    margin-bottom: 20px;
    color: #03346E;
    font-size: 32px;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    text-align: left;
    margin-bottom: 5px;
    color: #333;
}

input {
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
}

button {
    padding: 12px;
    background-color: #03346E;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #1a5276;
}

p {
    margin-top: 15px;
    color: #333;
}

a {
    color: #2980b9;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

#error-message {
    color: red;
    font-size: 14px;
    margin-top: 10px;
    display: none;
}