.proof-layer{
    position:fixed;inset:0;z-index:97500;display:grid;place-items:center;padding:18px;
    opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease
}
.proof-layer.is-open{opacity:1;visibility:visible;pointer-events:auto}
.proof-layer-backdrop{
    position:absolute;inset:0;border:0;background:rgba(1,4,8,.86);backdrop-filter:blur(22px) saturate(125%)
}
.proof-layer-panel{
    position:relative;z-index:2;width:min(760px,100%);max-height:calc(100vh - 36px);overflow:auto;
    border:1px solid rgba(255,255,255,.12);border-radius:22px;
    background:
        radial-gradient(circle at 86% 12%,rgba(32,230,255,.055),transparent 28%),
        rgba(5,9,14,.985);
    box-shadow:0 48px 150px rgba(0,0,0,.66)
}
.proof-layer-head{
    min-height:82px;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px;
    border-bottom:1px solid rgba(255,255,255,.08)
}
.proof-layer-head span{color:var(--cyan);font:650 .47rem/1 monospace;letter-spacing:.1em}
.proof-layer-head h2{margin:7px 0 0;color:#fff;font-size:1.45rem;letter-spacing:-.04em}
.proof-layer-head button{
    width:42px;height:42px;border:1px solid rgba(255,255,255,.1);border-radius:50%;
    color:#fff;background:rgba(255,255,255,.025);cursor:pointer;font-size:1.25rem
}
.proof-layer-body{padding:20px}
.proof-verification{
    padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    border:1px solid rgba(32,230,255,.15);border-radius:12px;background:rgba(32,230,255,.025)
}
.proof-verification span{color:rgba(255,255,255,.28);font:600 .42rem/1 monospace;letter-spacing:.08em}
.proof-verification strong{color:var(--cyan);font-size:.58rem;text-align:right}
.proof-claim{
    margin-top:12px;padding:18px;border:1px solid rgba(255,255,255,.07);border-radius:14px;
    background:linear-gradient(145deg,rgba(255,255,255,.025),transparent 45%),rgba(255,255,255,.012)
}
.proof-claim>span,.proof-caveat>span,.proof-policy>span{
    color:rgba(255,255,255,.28);font:600 .42rem/1 monospace;letter-spacing:.08em
}
.proof-claim h3{
    margin:12px 0 0;color:#fff;font-size:clamp(1.4rem,3vw,2.4rem);line-height:1;letter-spacing:-.04em
}
.proof-sources{
    margin-top:12px;padding:16px;border:1px solid rgba(255,255,255,.07);border-radius:14px;
    background:rgba(255,255,255,.01)
}
.proof-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.proof-section-head>span{color:var(--cyan);font:650 .43rem/1 monospace;letter-spacing:.09em}
.proof-section-head>small{color:rgba(255,255,255,.24);font-size:.42rem}
#proofLayerSources{margin-top:12px;display:grid;gap:7px}
.proof-source-item{
    padding:12px;border:1px solid rgba(255,255,255,.06);border-radius:10px;background:rgba(255,255,255,.012)
}
.proof-source-item b{display:block;color:rgba(255,255,255,.72);font-size:.58rem}
.proof-source-item span{
    display:block;margin-top:6px;color:rgba(255,255,255,.24);font:500 .42rem/1.35 monospace
}
.proof-caveat{
    margin-top:12px;padding:14px;border:1px solid rgba(255,150,63,.14);border-radius:12px;
    background:rgba(255,150,63,.025)
}
.proof-caveat p,.proof-policy p{
    margin:8px 0 0;color:rgba(255,255,255,.34);font-size:.53rem;line-height:1.6
}
.proof-policy{
    margin-top:12px;padding:14px;border:1px solid rgba(255,255,255,.055);border-radius:12px;
    background:rgba(255,255,255,.008)
}
.proof-trigger{
    margin-top:auto;padding:5px 8px;border:1px solid rgba(32,230,255,.14);border-radius:999px;
    color:rgba(255,255,255,.36);background:rgba(32,230,255,.025);cursor:pointer;
    font:600 .4rem/1 monospace;letter-spacing:.06em
}
.proof-trigger:hover{color:#fff;border-color:rgba(32,230,255,.3)}
@media(max-width:560px){
    .proof-layer{padding:7px}
    .proof-layer-panel{max-height:calc(100vh - 14px)}
    .proof-layer-body{padding:14px}
    .proof-verification{display:block}
    .proof-verification strong{display:block;margin-top:8px;text-align:left}
}