body { font-family: system-ui, sans-serif; max-width: 40rem; margin: 2rem auto; padding: 0 1rem; }
header { display: flex; gap: 1rem; align-items: center; }
header h1 { margin-right: auto; }
form { display: flex; gap: .5rem; flex-wrap: wrap; margin: 1rem 0; }
input { flex: 1 1 12rem; padding: .4rem; }
li { display: flex; justify-content: space-between; padding: .4rem 0; border-bottom: 1px solid #ddd; }
.muted { color: #777; font-size: .85em; }