:root{color-scheme:dark;--bg:#08111f;--panel:#101d30;--ink:#e6edf8;--muted:#a2b3cc;--accent:#28d5b6;--border:#283d56;--warn:#f3bd58;--danger:#fa7b8b;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6}button,input{font:inherit}button{border:1px solid var(--border);background:#122238;color:var(--ink);border-radius:8px;padding:.65rem 1rem;cursor:pointer}button:hover{border-color:var(--accent);background:#173047}button:disabled{opacity:.6;cursor:wait}button:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}a{color:var(--accent)}.layout{display:grid;grid-template-columns:265px minmax(0,1fr);min-height:100vh}aside{padding:30px 24px;background:#0d1828;border-right:1px solid #223148}.brand{font-size:25px;font-weight:800;letter-spacing:-1px;color:var(--ink);text-decoration:none;white-space:nowrap}.shield{color:var(--accent);font-size:38px;vertical-align:middle}.muted{color:var(--muted)}.small{font-size:13px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:1.6px;font-weight:750;color:var(--accent)}.status{border:1px solid #28625b;color:var(--accent);padding:8px 12px;border-radius:7px;margin:25px 0}.side-section{border-bottom:1px solid var(--border);padding:8px 0 17px;margin-bottom:20px}aside h3{margin:8px 0}.side-footer{margin-top:38px;color:var(--muted);font-size:10px}main{max-width:1190px;width:100%;padding:44px 48px;margin:auto}header{margin-bottom:25px}h1{font-size:clamp(32px,4.6vw,55px);line-height:1.1;letter-spacing:-2px;margin:15px 0 20px}h1 em{color:var(--accent);font-style:normal}.intro{max-width:740px;color:var(--muted);font-size:17px}nav{border-bottom:1px solid var(--border);display:flex;gap:28px;margin-bottom:27px}.nav{background:none;border:0;border-radius:0;border-bottom:3px solid transparent;padding:12px 3px;font-weight:650}.nav.active{border-bottom-color:var(--accent);color:var(--accent)}h2{font-size:23px;line-height:1.3;letter-spacing:-.6px}h3{font-size:17px}.examples{display:flex;flex-wrap:wrap;gap:10px}form{padding:20px;border:1px solid var(--border);border-radius:12px;background:var(--panel);margin-top:20px}label{display:block;font-weight:600;margin-bottom:10px}input{width:100%;background:#08111f;color:var(--ink);border:1px solid #38506b;border-radius:8px;padding:14px}form p{margin:8px 0 16px}.primary{background:var(--accent);color:#052f2c;border:none;font-weight:750}.primary:hover{background:#50e4ca}.empty{text-align:center;padding:42px 10px}.empty h3{margin-bottom:0}.error{padding:14px;border:1px solid var(--danger);border-radius:8px;color:var(--danger);background:#381f2d}.result-card{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:26px;margin-top:25px}.result-card h2{margin:8px 0 18px}.badge{border:1px solid currentColor;border-radius:30px;display:inline-block;padding:4px 12px;font-size:13px}.hostname{font-weight:650;font-size:18px;overflow-wrap:anywhere}.url-text{font-size:13px;color:var(--muted);overflow-wrap:anywhere}.gauge{text-align:center;align-self:center}.score-ring{--color:var(--accent);--angle:0deg;width:165px;height:165px;background:conic-gradient(var(--color) var(--angle),#24354b 0);border-radius:50%;display:grid;place-items:center;margin:auto}.score-ring:before{content:'';position:absolute;width:141px;height:141px;border-radius:50%;background:var(--panel)}.score-ring strong{position:relative;font-size:42px;letter-spacing:-2px}.gauge p{margin:8px 0}.indicator-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.indicator{border:1px solid var(--border);border-radius:8px;padding:16px}.indicator h4{margin:0 0 5px}.indicator p{margin:0;font-size:13px;color:var(--muted)}.domain-warning{border:1px solid var(--danger);background:#301e2c;padding:18px;border-radius:8px;margin:15px 0}.domain-warning h3{color:var(--danger);margin-top:0}details{margin:20px 0}summary{cursor:pointer;font-weight:650}table{border-collapse:collapse;width:100%;font-size:13px}td,th{text-align:left;padding:8px;border-bottom:1px solid var(--border)}th{color:var(--muted)}.table-wrap{overflow:auto;max-height:390px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:25px 0}.metrics div{padding:18px;border:1px solid var(--border);border-radius:10px;background:var(--panel)}.metrics strong{display:block;color:var(--accent);font-size:27px}.metrics span{color:var(--muted);font-size:13px}.charts{display:grid;grid-template-columns:1fr 1fr;gap:18px}figure{margin:15px 0}figure img{width:100%;border-radius:8px}figcaption{font-size:12px;color:var(--muted)}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}footer{padding-top:24px;border-top:1px solid var(--border);margin-top:38px;color:var(--muted);font-size:13px}[hidden]{display:none!important}@media(max-width:850px){.layout{grid-template-columns:1fr}aside{border-right:0;border-bottom:1px solid var(--border);padding:18px 24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}aside .side-section,aside details,aside .side-footer,aside>.muted{display:none}aside .status{margin:0;font-size:12px}main{padding:30px 22px}.result-card{padding:20px}.metrics{grid-template-columns:1fr 1fr}}@media(max-width:550px){.result-card,.charts,.indicator-grid{grid-template-columns:1fr}.gauge{padding-top:14px}.examples button{font-size:12px;padding:8px}h1{letter-spacing:-1px}main{padding:26px 16px}}