:root{--bg:#f6f7f9;--card:#fff;--text:#1b1f24;--muted:#5d6673;--border:#dde1e6;--accent:#2f5bea;--ok:#1a7f4b;--warn:#a15c00;--bad:#b42318;color:var(--text);background:var(--bg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}main{max-width:960px;margin:0 auto;padding:32px 20px 80px}h1{margin:0 0 4px;font-size:28px}h2{margin:0 0 12px;font-size:19px}p{line-height:1.5}a{color:var(--accent)}.muted{color:var(--muted)}.small{font-size:13px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;margin:16px 0;padding:20px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.spread{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.stack>*+*{margin-top:10px}label{margin-bottom:4px;font-size:13px;font-weight:600;display:block}input,select,textarea{font:inherit;border:1px solid var(--border);background:#fff;border-radius:6px;width:100%;padding:8px 10px}.grid2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.grid3{grid-template-columns:2fr 1fr auto;align-items:end;gap:8px;display:grid}button{font:inherit;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:6px;padding:8px 14px}button.secondary{color:var(--accent);background:#fff}button.danger{color:var(--bad);border-color:var(--bad);background:#fff}button:disabled{opacity:.5;cursor:default}.error{color:var(--bad);font-size:14px}.badge{color:var(--muted);background:#eef0f3;border-radius:999px;padding:2px 8px;font-size:12px;display:inline-block}.badge.ok{color:var(--ok);background:#e3f4ea}.badge.warn{color:var(--warn);background:#fdf0dc}.badge.bad{color:var(--bad);background:#fde7e5}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px 6px}th{text-transform:uppercase;color:var(--muted);letter-spacing:.03em;font-size:12px}.steps{flex-wrap:wrap;gap:6px;margin:12px 0 0;padding:0;list-style:none;display:flex}.steps li{color:var(--muted);background:#eef0f3;border-radius:999px;padding:4px 10px;font-size:13px}.steps li.done{color:var(--ok);background:#e3f4ea}.steps li.current{background:var(--accent);color:#fff}.values{grid-template-columns:max-content 1fr auto;align-items:center;gap:6px 12px;font-size:14px;display:grid}.values code{word-break:break-all;background:#f1f3f5;border-radius:4px;padding:2px 6px}pre.letter{white-space:pre-wrap;border:1px solid var(--border);background:#f8f9fa;border-radius:6px;padding:12px;font-size:13px}