:root{--bg:#0f1115;--card:#171a21;--border:#2a2e38;--text:#e6e8eb;--muted:#9aa0ac;--accent:#6ee7b7;--code:#10131a;--bad:#f87171;--warn:#fbbf24}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;line-height:1.55}
.wrap{max-width:1100px;margin:auto;padding:38px 20px 80px}a{color:var(--accent)}h1{font-size:clamp(2rem,6vw,3.5rem);margin:.25rem 0}.tag{color:var(--muted);max-width:820px;font-size:1.05rem}
.panel,.scenario{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px}.hero{margin-top:22px;padding:22px}.hero h2{margin-top:0}
.two,.scenarios{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}.two{margin-top:16px}.scenarios{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.scenario{cursor:pointer;text-align:left;color:var(--text)}.scenario:hover,.scenario.active{border-color:var(--accent)}.scenario strong{display:block}.scenario span{color:var(--muted);font-size:.88rem}
label{display:block;color:var(--muted);font-size:.84rem;margin:12px 0 4px}
input,select,textarea{width:100%;background:#343c4a;color:#ffffff;border:1px solid #b2bac8;border-radius:6px;padding:10px;font:inherit}
input:hover,select:hover,textarea:hover{border-color:#737d90}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-color:var(--accent)}
.checkbox input{accent-color:var(--accent)}
button{background:var(--accent);color:#07130e;border:0;border-radius:7px;padding:10px 14px;font-weight:700;cursor:pointer}.secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}
pre:focus-visible,button:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}pre{background:var(--code);border:1px solid var(--border);border-radius:8px;padding:13px;overflow:auto;white-space:pre-wrap;font-size:.82rem}
.status{border-left:3px solid var(--warn);padding:10px 13px;background:var(--code);margin:14px 0}.ok{border-color:var(--accent)}.bad{border-color:var(--bad)}.small{font-size:.86rem;color:var(--muted)}
h2.section{margin-top:42px;color:var(--accent);font-size:1rem;text-transform:uppercase;letter-spacing:.07em}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.back{font-size:.9rem}
.checkbox{display:flex;gap:8px;align-items:center;margin-top:12px}.checkbox input{width:auto}.checkbox label{margin:0}.origin{font-size:.9rem;margin-top:8px;color:var(--muted)}
.divider{border:0;border-top:1px solid var(--border);margin:36px 0}

.step{margin:22px 0;padding:20px;border:1px solid #303643;border-radius:16px;background:#151922}
.step-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.step-number{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;flex:none;border-radius:999px;border:1px solid #65e6b8;font-weight:800}
.step-head h2{margin:2px 0 4px;font-size:1.15rem}
.step-head p{margin:0}

.wrap,.panel,.step,.two>*,.step-head>*,.scenarios>*{min-width:0}
.two{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.scenarios{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}
body{overflow-wrap:anywhere}pre{max-width:100%;white-space:pre;overflow-x:auto;overflow-wrap:normal}button{font:inherit;font-weight:700}
.cors-nav{display:flex;align-items:center;gap:12px;margin:18px 0}.cors-nav a{padding:6px 10px;border-radius:6px}.cors-nav [aria-current=page]{font-weight:700;text-decoration:underline;text-underline-offset:5px;border:1px solid var(--accent)}
.scenario[aria-pressed=true]{outline:2px solid var(--accent);outline-offset:-3px}
.badge{display:inline-block;border:1px solid var(--border);border-radius:5px;padding:2px 7px;margin:0 6px 6px 0;font:700 .78rem ui-monospace,monospace;color:var(--text)}.badge.ok{border-color:var(--accent)}.badge.bad{border-color:var(--bad)}
.token-string{color:#6ee7b7}.token-keyword{color:#c4b5fd}.token-number{color:#fbbf24}
@media(max-width:480px){.wrap{padding:24px 14px 48px}.hero,.step{padding:14px}.step-head{gap:8px}}