:root{--tc-blue:#1557b0;--tc-ink:#0c1116;--tc-muted:#6b7785;--tc-border:#e3e8ee;--tc-soft:#f6f8fb}
*{box-sizing:border-box}html,body{margin:0}
body{font:14px/1.5 -apple-system,"Segoe UI",Roboto,sans-serif;color:var(--tc-ink);padding:18px;background:#fff}
h1{font-size:20px;margin:0 0 4px;color:var(--tc-blue)}
h2{font-size:15px;margin:14px 0 6px;color:var(--tc-blue)}
.muted{color:var(--tc-muted)}.small{font-size:12px}
section{margin:12px 0;padding:12px;border:1px solid var(--tc-border);border-radius:8px;background:var(--tc-soft)}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:6px 8px;text-align:left;border-bottom:1px solid var(--tc-border)}
th{background:#fff;font-weight:600;color:var(--tc-blue)}
code{font-family:ui-monospace,Menlo,monospace;background:#fff;padding:1px 5px;border:1px solid var(--tc-border);border-radius:4px}
input[type=number]{padding:6px 8px;border:1px solid var(--tc-border);border-radius:6px;width:80px;font:inherit}
label{display:inline-flex;align-items:center;gap:8px}