* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
}

header {
    background: white;
    padding: 20px 30px;
    border-bottom: 1px solid #ddd;
}

.logo {
    font-size: 22px;
    font-weight: bold;
}

main {
    max-width: 1200px;
    margin: 30px auto;
    padding: 30px;
    background: white;
    border-radius: 6px;
}

form {
    max-width: 350px;
}

label {
    display: block;
    margin: 15px 0 5px;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    margin-top: 20px;
    padding: 10px 20px;
    background: #336699;
    color: white;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
}