:root{--bg1:#2c4059;--bg2:#0b1530;--bg3:#070d22;--card:#12203d;--line:#243a5e;--text:#eef8f7;--muted:#9fb3c8;--teal:#8fd8cf;--red:#e5655b;--amber:#efb953;--green:#7fdcae;--track:#1c2c4b;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
:root:not([data-theme="light"]){color-scheme:dark}
*{box-sizing:border-box}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;min-height:100vh;color:var(--text);font-family:"Hanken Grotesk",system-ui,sans-serif;background:linear-gradient(180deg,var(--bg1) 0,var(--bg2) 38%,var(--bg3) 100%) fixed #0b1530}
h1,h2,h3,.num,.brand{font-family:"Space Grotesk","Hanken Grotesk",sans-serif}
header{display:flex;justify-content:space-between;align-items:center;padding:24px clamp(16px,3vw,40px)}
.brand{display:flex;align-items:center;gap:14px;font-size:1.5rem;font-weight:700;cursor:pointer;user-select:none;transition:opacity .2s ease}
.brand:hover{opacity:.85}
.logo{display:block;width:44px;height:44px;object-fit:contain;flex-shrink:0}
.tag{border:1px solid var(--line);border-radius:999px;padding:8px 16px;color:var(--muted);font-size:.9rem}
main{max-width:1180px;margin:0 auto;padding:0 clamp(16px,3vw,40px) 48px}
.hero{text-align:center;padding:9vh 0 6vh}
.hero h1{font-size:clamp(2.3rem,6.2vw,4.6rem);line-height:1.15;margin:0 0 28px;font-weight:700;letter-spacing:-.01em}
.hero h1 span{background:linear-gradient(90deg,#8fd8cf,#6aa9c4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:640px;margin:0 auto 40px;color:var(--muted);font-size:1.2rem;line-height:1.6}
form{display:flex;gap:12px;max-width:760px;margin:0 auto;padding:10px;border:1px solid var(--line);border-radius:28px;background:#0f1d3a}
input{flex:1;min-width:0;background:none;border:0;color:var(--text);font:inherit;font-size:1.1rem;padding:0 16px;outline:0}
input::placeholder{color:#8ea3bb}
button{border:0;border-radius:999px;padding:16px 28px;font:700 1.05rem "Space Grotesk",sans-serif;color:var(--text);cursor:pointer;background:linear-gradient(90deg,#1f3a5a,#8fd8cf)}
button:focus-visible,input:focus-visible,.back:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.note{text-align:center;color:var(--muted);font-size:.95rem;margin-top:12vh}
.err{color:var(--red);font-size:.95rem;margin:14px 0 0;min-height:1.2em}
#result{display:none}
.grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:32px 36px}
.gauge{text-align:center;width:100%;max-width:520px;justify-self:center}
.gauge .sub{letter-spacing:.08em}
.gauge svg{width:100%;max-width:340px}
.num{font-size:5rem;font-weight:700;margin:-150px 0 0;line-height:1}
.est{color:var(--muted);font-size:1.3rem;margin:6px 0 90px}
.verdict{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.5rem;margin:0}
.meta{color:var(--muted);margin-top:10px}
.interpretation h2,.technical h2{margin:0;font-size:1.7rem}
.interpretation p{line-height:1.7}
#unc{font-size:1.2rem}
.xai-evidence{margin-top:24px}
.xai-group{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}
.xai-group h3{font-size:1.05rem;margin:0 0 14px}
.xai-fake h3{color:var(--amber)}
.xai-reliable h3{color:var(--green)}
.xai-group figure{margin:0 0 18px;padding-left:14px;border-left:3px solid var(--line)}
.xai-fake figure{border-left-color:var(--amber)}
.xai-reliable figure{border-left-color:var(--green)}
.xai-group blockquote{margin:0 0 8px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;max-height:15rem;overflow:auto}
.xai-group figcaption{font-size:.88rem;line-height:1.5;color:var(--muted)}
#xai-coverage,#xai-limits{font-size:.88rem;line-height:1.6}
.sub{color:var(--muted);margin:8px 0 22px}
.row{margin-bottom:22px}
.row .top{display:flex;justify-content:space-between;font-family:"Space Grotesk",sans-serif;font-size:1.15rem}
.row .top b{font-weight:700}.row .top i{font-style:normal;color:var(--muted);font-weight:500}
.bar{height:20px;border-radius:99px;background:var(--track);margin:10px 0 8px;overflow:hidden}
.bar div{height:100%;border-radius:99px;width:0;transition:width .9s cubic-bezier(.2,.8,.2,1)}
.desc{color:var(--muted);font-size:.95rem}
.technical,.signals{margin-top:24px}
.technical-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;line-height:1.6}
.technical-grid>div{min-width:0;overflow-wrap:anywhere}
.technical summary,.signals summary{cursor:pointer;font-size:1.2rem;font-weight:700}
.technical[open]>summary,.signals[open]>summary{margin-bottom:24px}
summary:focus-visible{outline:2px solid var(--teal);outline-offset:6px;border-radius:4px}
.back{margin-top:28px;background:none;border:1px solid var(--line);color:var(--muted);padding:12px 22px}
@media(max-width:860px){.grid,.technical-grid{grid-template-columns:1fr}.card{padding:24px}form{flex-direction:column;border-radius:24px}button{padding:14px}input{padding:12px 16px}}
@media(prefers-reduced-motion:reduce){.bar div{transition:none}}

.signals .row:last-child{margin-bottom:0}#model-info{overflow-wrap:anywhere}#metrics p{margin:8px 0;color:var(--muted)}