:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f6f6;--panel:#fff;--text:#18181b;--muted:#71717a;--border:#d4d4d8;--border-soft:#e4e4e7;--code:#f4f4f5;--accent:#2563eb;--good:#16835f;--warn:#a16207;--bad:#c43d4b;color:var(--text);background:var(--bg);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;text-rendering:optimizelegibility}body{background:var(--bg);min-width:320px;min-height:100vh;margin:0}button,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a,button,select,textarea{-webkit-tap-highlight-color:transparent}:focus-visible{outline-offset:3px;outline:3px solid #2563eb40}[hidden]{display:none!important}.boot-screen{min-height:100vh;color:var(--muted);place-items:center;font:12px ui-monospace,SFMono-Regular,Consolas,monospace;display:grid}.site-header{border-bottom:1px solid var(--border);background:var(--panel);justify-content:space-between;align-items:center;height:52px;padding:0 max(20px,50vw - 540px);font:12px ui-monospace,SFMono-Regular,Consolas,monospace;display:flex}.brand{color:var(--text);font-weight:750;text-decoration:none}.brand:before{content:"> ";color:var(--accent)}.site-header-meta{align-items:center;gap:18px;display:flex}.site-header-meta>span{color:var(--muted)}.site-header-meta a{color:var(--accent);text-decoration:none}.site-header a:hover{text-underline-offset:3px;text-decoration:underline}.button{min-height:34px;color:var(--text);background:var(--panel);border:1px solid #a1a1aa;border-radius:4px;justify-content:center;align-items:center;gap:7px;padding:0 12px;font-size:12px;font-weight:650;text-decoration:none;display:inline-flex}.button:hover:not(:disabled){background:var(--code)}.button.primary{color:#fff;background:var(--accent);border-color:#1d4ed8}.button.primary:hover:not(:disabled){background:#1d4ed8}.button.quiet{border-color:var(--border);background:0 0}.diagnostic-page{width:min(1080px,100% - 32px);margin:0 auto;padding:38px 0 72px}.diagnostic-hero{margin-bottom:24px}.hero-copy{max-width:740px}.eyebrow,.payload-direction{color:var(--accent);text-transform:uppercase;letter-spacing:.06em;font:10px ui-monospace,SFMono-Regular,Consolas,monospace;display:block}.eyebrow{margin-bottom:8px}.diagnostic-hero h1{letter-spacing:-.035em;margin:0 0 8px;font-size:32px;line-height:1.2}.diagnostic-hero p{color:var(--muted);margin:0;font-size:13px;line-height:1.55}.quick-guide{border:1px solid var(--border);background:var(--panel);border-radius:4px;grid-template-columns:repeat(3,1fr);max-width:740px;margin:20px 0 0;padding:0;list-style:none;display:grid}.quick-guide li{border-right:1px solid var(--border-soft);grid-template-columns:22px 1fr;align-items:center;gap:7px;min-height:56px;padding:9px 12px;display:grid}.quick-guide li:last-child{border-right:0}.quick-guide li>span{color:var(--accent);font:10px ui-monospace,SFMono-Regular,Consolas,monospace}.quick-guide strong,.quick-guide small{display:block}.quick-guide strong{font-size:11px}.quick-guide small{color:var(--muted);margin-top:2px;font-size:10px;line-height:1.35}.privacy-banner{color:#3f3f46;border:1px solid #bfdbfe;border-left:3px solid var(--accent);background:#eff6ff;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin-bottom:16px;padding:11px 14px;display:grid}.privacy-banner p{margin:0;font-size:11px;line-height:1.5}.privacy-banner>span:last-child{color:var(--muted);text-transform:uppercase;font:9px ui-monospace,SFMono-Regular,Consolas,monospace}.privacy-icon{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.panel,.runtime-panel{border:1px solid var(--border);background:var(--panel);border-radius:5px;margin-bottom:16px;overflow:hidden}.workspace-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:18px;min-height:62px;padding:14px 16px;display:flex}.title-with-step{align-items:center;gap:10px;display:flex}.step-number{color:var(--accent);font:10px ui-monospace,SFMono-Regular,Consolas,monospace}.workspace-header h2,.runtime-panel h2{margin:0;font-size:15px}.manual-toolbar{border-bottom:1px solid var(--border-soft);background:#fafafa;grid-template-columns:auto minmax(230px,1fr) auto auto;align-items:center;gap:8px;padding:12px 16px;display:grid}.manual-toolbar label,.field-heading label{color:var(--muted);font:10px ui-monospace,SFMono-Regular,Consolas,monospace}select{height:34px;color:var(--text);background:var(--panel);border:1px solid #a1a1aa;border-radius:4px;outline:none;padding:0 28px 0 9px;font:11px ui-monospace,SFMono-Regular,Consolas,monospace}select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 2px #2563eb24}.workflow-guidance{border-bottom:1px solid var(--border);background:#eff6ff;grid-template-columns:90px 1fr;gap:12px;padding:10px 16px;display:grid}.workflow-guidance>span{color:var(--accent);text-transform:uppercase;font:9px ui-monospace,SFMono-Regular,Consolas,monospace}.workflow-guidance strong{font-size:11px;display:block}.workflow-guidance p{color:var(--muted);margin:2px 0 0;font-size:10px;line-height:1.4}.manual-error{color:#881b2b;border:1px solid #efb4bb;border-left:3px solid var(--bad);background:#fff1f2;margin:12px 16px 0;padding:10px 12px}.manual-error strong{font-size:11px}.manual-error p{margin:3px 0 0;font-size:10px}.exchange-heading{padding:13px 16px 9px}.exchange-heading p{color:var(--muted);margin:0;font-size:10px}.exchange-heading strong{color:var(--text)}.manual-exchange{grid-template-columns:1fr 34px 1fr;padding:0 16px 16px;display:grid}.payload-panel{border:1px solid var(--border);background:#fff;min-width:0;padding:14px 16px}.payload-panel:first-child{border-radius:4px}.payload-title{justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.payload-title strong{font-size:12px}.payload-direction{align-items:center;gap:6px;display:flex}.payload-direction i{background:var(--accent);border-radius:50%;width:6px;height:6px;display:inline-block}.field-heading{justify-content:space-between;align-items:baseline;gap:10px;min-height:18px;display:flex}.field-heading span{color:var(--muted);text-align:right;font:9px ui-monospace,SFMono-Regular,Consolas,monospace}textarea{resize:vertical;color:#27272a;border:1px solid var(--border);background:var(--code);overflow-wrap:anywhere;border-radius:3px;outline:none;width:100%;height:132px;margin:5px 0 8px;padding:9px;font:9px/1.45 ui-monospace,SFMono-Regular,Consolas,monospace}.payload-action{width:100%}.payload-actions{grid-template-columns:1fr;gap:8px;display:grid}.payload-actions.share-available{grid-template-columns:1fr 1fr}.exchange-divider{place-items:center;display:grid}.exchange-divider span{width:25px;height:25px;color:var(--accent);border:1px solid var(--border);background:var(--panel);border-radius:50%;place-items:center;font-size:11px;display:grid}.results-header{border-bottom:0}.diagnostic-verdict{border:1px solid #93c5fd;border-left:3px solid var(--accent);background:#eff6ff;grid-template-columns:96px 1fr;gap:12px;margin:0 14px 14px;padding:12px 14px;display:grid}.diagnostic-verdict>span{color:var(--muted);text-transform:uppercase;font:9px ui-monospace,SFMono-Regular,Consolas,monospace}.diagnostic-verdict h3{margin:0;font-size:12px}.diagnostic-verdict p{color:#52525b;margin:3px 0;font-size:11px;line-height:1.45}.diagnostic-verdict small{color:var(--muted);font-size:10px}.diagnostic-verdict[data-tone=success]{border-color:#86d5ba;border-left-color:var(--good);background:#effaf6}.diagnostic-verdict[data-tone=failure]{border-color:#efb4bb;border-left-color:var(--bad);background:#fff1f2}.diagnostic-verdict[data-tone=pending]{border-color:#f0cf8d;border-left-color:var(--warn);background:#fffbeb}.manual-status{border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);margin:0;display:grid}.manual-status>div{border-right:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);min-width:0;min-height:54px;padding:9px 12px}.manual-status>div:nth-child(3n){border-right:0}.manual-status dt{color:var(--muted);text-transform:uppercase;margin-bottom:4px;font:9px ui-monospace,SFMono-Regular,Consolas,monospace}.manual-status dd{overflow-wrap:anywhere;margin:0;font:10px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace}.stun-value[data-tone=success]{color:var(--good)}.stun-value[data-tone=failure]{color:var(--bad)}.stun-value[data-tone=pending]{color:var(--warn)}.manual-status .selected-pair{background:#fafafa;border-right:0;grid-column:1/-1}.manual-status .selected-pair dd{color:#1d4ed8}.report-row{border-top:1px solid var(--border);background:#fafafa;align-items:flex-start;gap:10px;padding:12px 14px;display:flex}.manual-result{border:1px solid var(--border);background:var(--panel);border-radius:3px;flex:1;min-width:0}.manual-result summary{cursor:pointer;color:#3f3f46;padding:9px 11px;font:10px ui-monospace,SFMono-Regular,Consolas,monospace}.manual-result pre{border-top:1px solid var(--border-soft);background:var(--code);white-space:pre-wrap;overflow-wrap:anywhere;max-height:280px;margin:0;padding:10px 12px;font:9px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto}.runtime-panel header{padding:15px 16px}.runtime-table{border-top:1px solid var(--border-soft);margin:0}.runtime-table>div{border-bottom:1px solid var(--border-soft);grid-template-columns:220px 1fr;min-height:47px;display:grid}.runtime-table>div:last-child{border-bottom:0}.runtime-table dt,.runtime-table dd{margin:0;padding:10px 16px}.runtime-table dt{color:var(--muted);border-right:1px solid var(--border-soft);text-transform:uppercase;background:#fafafa;font:10px ui-monospace,SFMono-Regular,Consolas,monospace}.runtime-table strong,.runtime-table small{display:block}.runtime-table strong{margin-bottom:2px;font:600 11px ui-monospace,SFMono-Regular,Consolas,monospace}.runtime-table small{color:var(--muted);overflow-wrap:anywhere;font:9px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace}.toast{z-index:20;color:#fff;opacity:0;pointer-events:none;background:#27272a;border-radius:4px;max-width:calc(100% - 36px);padding:9px 12px;font:11px ui-monospace,SFMono-Regular,Consolas,monospace;transition:all .14s;position:fixed;bottom:18px;right:18px;transform:translateY(8px)}.toast.show{opacity:1;transform:translateY(0)}@media (width<=760px){.site-header{padding:0 16px}.site-header-meta>span{display:none}.diagnostic-page{width:min(100% - 20px,1080px);padding-top:24px}.diagnostic-hero h1{font-size:27px}.quick-guide{grid-template-columns:1fr}.quick-guide li{border-right:0;border-bottom:1px solid var(--border-soft)}.quick-guide li:last-child{border-bottom:0}.privacy-banner{grid-template-columns:auto 1fr}.privacy-banner>span:last-child{display:none}.manual-toolbar{grid-template-columns:1fr}.workflow-guidance{grid-template-columns:1fr;gap:3px}.manual-exchange{grid-template-columns:1fr}.exchange-divider{height:34px}.manual-status{grid-template-columns:1fr 1fr}.manual-status>div:nth-child(3n){border-right:1px solid var(--border-soft)}.manual-status>div:nth-child(2n){border-right:0}.manual-status .selected-pair{border-right:0;grid-column:1/-1}.diagnostic-verdict{grid-template-columns:1fr;gap:5px}.report-row{flex-direction:column;align-items:stretch}.runtime-table>div{grid-template-columns:130px 1fr}.runtime-table dt,.runtime-table dd{padding:9px 11px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}