*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:#f6f7f9;color:#1f2933}
header{background:#0b6e4f;color:#fff;padding:16px 24px}header a{color:#fff}header b{font-size:20px}
main{max-width:980px;margin:0 auto;padding:24px;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
section{background:#fff;border:1px solid #dde2e6;border-radius:12px;padding:20px}h2{font-size:16px;margin:0 0 12px}
input,textarea,button{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid #c5cdd4;width:100%;margin:4px 0}
button{background:#0b6e4f;color:#fff;border:0;cursor:pointer;min-height:40px}button.warn{background:#b42318}
pre{background:#0f1720;color:#d6e2ee;border-radius:8px;padding:12px;font-size:12px;max-height:260px;overflow:auto;white-space:pre-wrap;word-break:break-all}
.small{font-size:13px;color:#52606d}a{color:#0b6e4f}ul{padding-left:18px;margin:6px 0}li{margin:4px 0}