:root{color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f7fb;color:#111827}*{box-sizing:border-box}body{margin:0;padding:0}main{max-width:960px;margin:0 auto;padding:32px}h1,h2,h3{margin:0 0 12px}section{margin-bottom:24px;padding:24px;background:#fff;border:1px solid #e5e7eb;border-radius:16px}button{border:none;background:#2563eb;color:#fff;border-radius:8px;padding:10px 16px;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}input,select{width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;margin-top:8px}label{display:block;margin-top:14px;font-weight:600}pre{background:#f9fafb;padding:16px;border-radius:12px;overflow-x:auto}.token-row{display:grid;grid-template-columns:1fr auto;grid-gap:12px;gap:12px;padding:12px 0;border-bottom:1px solid #f3f4f6}.token-row:last-child{border-bottom:none}small{color:#6b7280}