:root{--bg: #ffffff;--surface: #f4f6fb;--text: #121826;--muted: #5b6475;--accent: #0b5fff;--accent-text: #ffffff;--border: #dde2ec;--error: #b42318;--radius: 14px;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #0d1117;--surface: #161c26;--text: #e8ecf3;--muted: #9aa4b5;--accent: #5b8cff;--accent-text: #0d1117;--border: #2a3342;--error: #ff8a80}}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;background:var(--bg);padding:.5rem 1rem;z-index:10}.site-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;max-width:1040px;margin:0 auto;padding:.9rem 1.25rem}.brand{display:flex;align-items:center;gap:.5rem;color:var(--text);font-weight:700;font-size:1.15rem;text-decoration:none}.brand .logo{color:var(--accent)}.site-header ul{display:flex;flex-wrap:wrap;gap:.25rem 1rem;margin:0;padding:0;list-style:none}.site-header nav a{color:var(--muted);text-decoration:none;font-size:.95rem}.site-header nav a[aria-current=page],.site-header nav a:hover{color:var(--text)}main{max-width:760px;margin:0 auto;padding:0 1.25rem 3rem}h1{font-size:clamp(1.7rem,4vw,2.3rem);line-height:1.2;margin:1rem 0 1.25rem}main.home h1,main.tool h1,main.result h1{text-align:center}h2{font-size:1.35rem;margin-top:2.25rem}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.35rem;margin:1rem 0 0;padding:0;list-style:none;font-size:.85rem;color:var(--muted)}.breadcrumbs li+li:before{content:"\203a";margin-right:.35rem}.speedtest{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem 1.25rem;text-align:center}.gauge{position:relative;max-width:320px;margin:0 auto}.gauge svg{width:100%;display:block}.gauge-track,.gauge-fill{fill:none;stroke-width:14;stroke-linecap:round}.gauge-track{stroke:var(--border)}.gauge-fill[stroke-dasharray^="0 "]{opacity:0}.gauge-fill{stroke:var(--accent);transition:stroke-dasharray .25s linear}.gauge-readout{position:absolute;inset:42% 0 auto;display:flex;flex-direction:column;align-items:center;line-height:1}#st-live{font-size:3rem;font-weight:700;font-variant-numeric:tabular-nums}.gauge-unit{color:var(--muted);margin-top:.3rem}.gauge-phase{min-height:1.6em;margin:.25rem 0 0;color:var(--muted);font-size:.95rem}.start{display:inline-block;margin:1rem 0 .5rem;padding:.85rem 2.2rem;border:0;border-radius:999px;background:var(--accent);color:var(--accent-text);font:inherit;font-weight:700;font-size:1.1rem;text-decoration:none;cursor:pointer}.start:disabled{opacity:.7;cursor:progress}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin:1.25rem 0 .5rem}@media(max-width:560px){.metrics{grid-template-columns:repeat(2,1fr)}}.metric{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:.6rem .4rem}.metric dt{color:var(--muted);font-size:.85rem}.metric dd{margin:0}.metric-value{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums}.metric-unit,.server,.policy{color:var(--muted);font-size:.85rem}.policy{margin:1rem 0 0}.advanced{margin:.25rem auto 0;max-width:26rem;font-size:.9rem;text-align:left}.advanced summary{color:var(--muted);text-align:center;cursor:pointer}.advanced label{display:block;margin:.6rem 0 .25rem;font-weight:600}.advanced select{width:100%;padding:.45rem .5rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:inherit;font:inherit}.advanced p{margin:.4rem 0 0;color:var(--muted);font-size:.85rem}.verdict{font-weight:600}.error{color:var(--error)}.share{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}.share button,button.link{font:inherit;font-size:.95rem;cursor:pointer}.share button{padding:.45rem 1rem;border:1px solid var(--border);border-radius:999px;background:var(--bg);color:var(--text)}button.link{border:0;background:none;color:var(--accent);padding:0;margin-top:.5rem}.history table{width:100%;border-collapse:collapse;font-size:.95rem;font-variant-numeric:tabular-nums}.history th,.history td{text-align:left;padding:.4rem .3rem;border-bottom:1px solid var(--border)}.prose{margin-top:1.5rem}.prose table{width:100%;border-collapse:collapse;font-size:.95rem}.prose th,.prose td{text-align:left;padding:.45rem .4rem;border-bottom:1px solid var(--border);vertical-align:top}.disclaimer,.updated{color:var(--muted);font-size:.85rem}.faq details{border-bottom:1px solid var(--border);padding:.6rem 0}.faq summary{cursor:pointer;font-weight:600}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.75rem;padding:0;list-style:none}.cards a{display:block;height:100%;padding:.9rem 1rem;border:1px solid var(--border);border-radius:10px;color:var(--text);text-decoration:none}.cards a:hover{border-color:var(--accent)}.cards span{display:block;color:var(--muted);font-size:.9rem;margin-top:.25rem}.cta{text-align:center;margin-top:2.5rem}.ad-slot{min-height:250px;margin:2rem 0}.site-footer{max-width:1040px;margin:0 auto;padding:1.5rem 1.25rem 2.5rem;border-top:1px solid var(--border);color:var(--muted);font-size:.85rem;text-align:center}.site-footer a{color:var(--muted)}body.embed{background:transparent;padding:.5rem}body.embed .speedtest{max-width:640px;margin:0 auto}.embed-credit{margin:.5rem 0 0;text-align:center;font-size:.8rem}.embed-credit a{color:var(--muted)}