:root { color-scheme: light; font: 17px/1.65 system-ui, sans-serif; color: #2f4436; background: #f7f8f2; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 680px; margin: 0 auto; padding: 32px 20px 48px; }
.eyebrow { color: #466e55; margin-bottom: 6px; }
h1 { font-size: clamp(1.5rem, 5vw, 2rem); line-height: 1.35; margin-top: 0; }
h2 { font-size: 1.25rem; margin-top: 0; }
h3 { font-size: 1.05rem; margin-bottom: 4px; }
section { padding: 22px; margin: 26px 0; background: #fff; border: 1px solid #e0e7de; border-radius: 22px; }
.test + .test { margin-top: 24px; padding-top: 16px; border-top: 1px solid #e0e7de; }
.test p { margin-top: 0; }
button { min-height: 48px; max-width: 100%; padding: 10px 18px; border: 0; border-radius: 14px; font: inherit; color: #fff; background: #466e55; cursor: pointer; }
button:disabled { opacity: .55; cursor: wait; }
button:focus-visible { outline: 3px solid #b7ccae; outline-offset: 3px; }
#status { margin: 24px 0 0; font-weight: 600; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font: .82rem/1.6 ui-monospace, monospace; margin-bottom: 0; }
.note { font-size: .9rem; color: #59685d; }