* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    padding: 20px;
}

nav {
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ccc;
}

nav a {
    margin-right: 20px;
    text-decoration: none;
    color: #0066cc;
}

nav a:hover {
    text-decoration: underline;
}

h1 {
    margin-bottom: 20px;
}

form {
    margin-bottom: 20px;
}

input, button {
    padding: 8px 12px;
    font-size: 14px;
}

button {
    background: #0066cc;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #0052a3;
}

ul {
    list-style: none;
}

li {
    padding: 10px;
    border-bottom: 1px solid #eee;
}