body { font-family: Inter, Arial, sans-serif; margin: 20px; background:#f6f8fb; color:#222; }
#app { max-width:800px; margin:0 auto; }
.header { display:flex; gap:12px; align-items:center; }
button { padding:8px 14px; border-radius:6px; border:1px solid #ccc; background:#fff; cursor:pointer; }
.status { margin-top:12px; padding:10px; background:#fff; border-radius:6px; box-shadow:0 0 0 1px #eee; }