:root { font-family: system-ui, sans-serif; color: #203633; background: #f5faf8; }
body { margin: 0; }
main { max-width: 520px; margin: 0 auto; padding: 32px 24px; }
.brand { color: #147d64; font-weight: 600; font-size: 14px; }
h1 { font-size: 28px; margin: 22px 0 12px; }
p { line-height: 1.6; }
#status { min-height: 48px; }
button, select { box-sizing: border-box; width: 100%; padding: 14px; margin: 8px 0; border-radius: 8px; font: inherit; }
button { border: 0; color: white; background: #147d64; cursor: pointer; font-weight: 600; }
button:disabled { opacity: .55; cursor: wait; }
.secondary { background: transparent; color: #526964; }
select { border: 1px solid #aecbc3; background: white; }