body { font-family: sans-serif; max-width: 800px; margin: 40px auto; padding: 0 20px; }
header { display: flex; justify-content: space-between; align-items: center; }
section { margin: 20px 0; }
.file-row { display: flex; gap: 10px; align-items: center; margin: 10px 0; }
button { cursor: pointer; }
.container { max-width: 400px; margin: 100px auto; }
form { display: flex; flex-direction: column; gap: 10px; }
input[type="password"] { padding: 8px; font-size: 16px; }