:root{--paper:#eef4f8;--ink:#19364a;--muted:#607789;--line:#c6d6e2;--blue:#266bc4;--pale:#deecf8;--white:#fff;--success:#2b7c64}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Segoe UI","PingFang SC",sans-serif}header,footer{display:flex;justify-content:space-between;align-items:center;padding:26px 5vw}header{border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.wordmark{font-family:"Trebuchet MS",sans-serif;font-size:32px;letter-spacing:-2px;font-weight:700}.wordmark span{font:12px "Segoe UI",sans-serif;letter-spacing:1px;margin-left:20px;color:var(--muted)}.badge{font:12px ui-monospace,monospace;border:1px solid var(--line);padding:8px 12px;border-radius:20px}main{max-width:1440px;margin:auto;padding:65px 5vw 50px;display:grid;grid-template-columns:0.8fr 1.5fr;gap:7vw}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--blue)}h1{font-size:clamp(42px,5vw,68px);line-height:1.2;font-weight:500;letter-spacing:-3px;margin:30px 0}h1 span{color:var(--blue)}.intro>p:last-child{line-height:1.9;font-size:14px;color:var(--muted)}.workspace{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--white);box-shadow:0 15px 45px #19364a08}.connection,.request{padding:28px}.connection{border-bottom:1px solid var(--line)}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}h2{font-size:17px;font-weight:600;margin:0}#status{font-size:12px;color:var(--muted)}#status[data-connected=true]{color:var(--success)}label{display:block;font-size:12px;margin-bottom:10px;color:var(--muted)}input:not([type=checkbox]){width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:5px;background:#f9fcff;color:var(--ink);font:13px ui-monospace,monospace}input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #266bc44d;outline-offset:3px}.actions{display:flex;justify-content:space-between;align-items:center;margin-top:16px}.check{display:flex;align-items:center;gap:5px;margin:0}button{border:0;background:var(--blue);color:white;padding:12px 18px;border-radius:5px;font-size:12px;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button span{margin-left:16px}.route{display:flex;align-items:center;font-size:12px;gap:10px;margin-top:34px}.route>span{white-space:nowrap}.wire{flex:1;border-bottom:2px dashed var(--line);position:relative;height:24px;min-width:60px}.wire span{position:absolute;width:100%;text-align:center;top:-10px;color:var(--blue);font:10px ui-monospace,monospace}.short-wire{width:26px;border-bottom:2px solid var(--line)}.hint{font-size:11px;color:var(--muted);margin:18px 0 0}.request-row{display:flex;gap:8px;align-items:center}.request-row input{min-width:0}.request-row button{white-space:nowrap}.method{font:11px ui-monospace,monospace;color:var(--blue);padding:12px;background:var(--pale);border-radius:5px}.presets{display:flex;gap:8px;margin:14px 0 20px;flex-wrap:wrap}.presets button{background:transparent;border:1px solid var(--line);color:var(--muted);padding:6px 10px;font-size:10px}pre{margin:0;background:#f2f6fa;border-radius:7px;padding:18px;height:230px;overflow:auto;font:12px/1.8 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink)}.metrics{display:flex;justify-content:space-between;gap:12px;margin-top:18px;font-size:10px;color:var(--muted)}.metrics b{font-family:ui-monospace,monospace;color:var(--ink);margin-left:6px;font-weight:400}#bytes{font:12px ui-monospace,monospace;color:var(--blue)}footer{font-size:10px;color:var(--muted);border-top:1px solid var(--line)}@media(max-width:900px){main{grid-template-columns:1fr;gap:35px;padding-top:35px}.intro h1{margin:16px 0}.intro h1 br{display:none}.connection,.request{padding:22px}}@media(max-width:450px){.wordmark span{display:none}.metrics{flex-wrap:wrap}.actions{gap:10px}.route{gap:6px}.check{font-size:11px}footer{gap:16px;flex-wrap:wrap}}