body.sfv-open{overflow:hidden;touch-action:none;}
.sfv-overlay{position:fixed;inset:0;z-index:120000;background:rgba(4,6,18,.96);display:flex;align-items:center;justify-content:center;padding:max(10px,env(safe-area-inset-top)) 10px max(10px,env(safe-area-inset-bottom));overflow-y:auto;-webkit-overflow-scrolling:touch;}
.sfv-overlay[hidden]{display:none!important;}
.sfv-card{width:100%;max-width:400px;background:linear-gradient(165deg,#120a28 0%,#0c1224 45%,#071018 100%);border:1px solid rgba(139,92,246,.35);border-radius:22px;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.55);max-height:calc(100dvh - 20px);}
.sfv-brand-row{display:flex;align-items:center;justify-content:center;padding:12px 16px 0;}
.sfv-brand-badge{font-family:Unbounded,sans-serif;font-size:.58rem;font-weight:900;letter-spacing:.12em;color:#c4b5fd;background:linear-gradient(135deg,rgba(124,58,237,.25),rgba(99,102,241,.12));border:1px solid rgba(167,139,250,.35);padding:4px 10px;border-radius:100px;}
.sfv-head{padding:8px 16px 6px;text-align:center;}
.sfv-head h3{margin:0;font-family:Unbounded,sans-serif;font-size:.95rem;color:#fff;}
.sfv-head p{margin:6px 0 0;font-size:.68rem;color:rgba(255,255,255,.58);line-height:1.45;}
.sfv-trust{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;padding:0 16px 10px;}
.sfv-trust span{font-size:.56rem;color:rgba(255,255,255,.42);font-weight:700;}
.sfv-step-row{display:flex;align-items:center;justify-content:space-between;padding:0 16px 8px;}
.sfv-step-lbl{font-size:.62rem;font-weight:800;color:#a78bfa;letter-spacing:.06em;text-transform:uppercase;}
.sfv-step-num{font-size:.62rem;color:rgba(255,255,255,.42);font-weight:700;}
.sfv-steps{display:flex;gap:4px;padding:0 16px 10px;}
.sfv-step-dot{flex:1;height:4px;border-radius:99px;background:rgba(255,255,255,.1);transition:.3s;}
.sfv-step-dot--on{background:linear-gradient(90deg,#7c3aed,#818cf8);}
.sfv-step-dot--done{background:#22c55e;}
.sfv-step-chips{display:flex;gap:5px;padding:0 16px 10px;}
.sfv-chip{flex:1;text-align:center;padding:5px 3px;border-radius:8px;font-size:.55rem;font-weight:800;color:rgba(255,255,255,.35);background:rgba(255,255,255,.04);}
.sfv-chip--on{color:#fff;background:rgba(124,58,237,.22);border:1px solid rgba(167,139,250,.3);}
.sfv-chip--done{color:#86efac;background:rgba(34,197,94,.12);}

/* Camera viewport — fixed size, centered */
.sfv-video-wrap{
  position:relative;
  width:min(100%,280px);
  height:min(62dvh,360px);
  margin:0 auto 10px;
  border-radius:16px;
  overflow:hidden;
  background:#111;
  box-shadow:0 8px 28px rgba(0,0,0,.45);
}
.sfv-video{
  position:absolute;
  inset:0;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center center;
  transform:scaleX(-1);
  background:#111;
  opacity:0;
  transition:opacity .25s ease;
}
.sfv-video--ready{opacity:1;}
.sfv-video-wrap--live .sfv-scan{opacity:.75;}
.sfv-cam-loading,.sfv-model-loading{
  position:absolute;
  inset:0;
  z-index:5;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  background:rgba(8,10,20,.88);
  color:rgba(255,255,255,.75);
  font-size:.72rem;
  font-weight:700;
  text-align:center;
  padding:16px;
}
.sfv-cam-loading[hidden],.sfv-model-loading[hidden]{display:none!important;}
.sfv-cam-loading-spin,.sfv-loading-spin{
  width:34px;height:34px;
  border:3px solid rgba(255,255,255,.12);
  border-top-color:#a78bfa;
  border-radius:50%;
  animation:sfvLoaderSpin .8s linear infinite;
}
.sfv-model-loading{
  z-index:6;
  background:rgba(8,10,20,.55);
  pointer-events:none;
}

.sfv-frame{position:absolute;inset:0;z-index:3;pointer-events:none;}
.sfv-oval{
  position:absolute;
  top:14%;
  left:50%;
  width:56%;
  height:70%;
  transform:translateX(-50%);
  border:2px solid rgba(167,139,250,.6);
  border-radius:50%;
  box-shadow:0 0 0 9999px rgba(0,0,0,.45);
  transition:border-color .2s;
}
.sfv-oval--ok{border-color:#4ade80;box-shadow:0 0 0 9999px rgba(0,0,0,.38),0 0 24px rgba(74,222,128,.2);}
.sfv-ring{
  position:absolute;
  top:11%;
  left:50%;
  width:62%;
  height:76%;
  transform:translateX(-50%);
  border-radius:50%;
  border:2px solid transparent;
  border-top-color:rgba(124,58,237,.75);
  animation:sfvRingSpin 1.1s linear infinite;
  opacity:.55;
}
.sfv-oval--ok + .sfv-ring{opacity:0;animation:none;}
.sfv-scan{
  position:absolute;
  left:16%;
  right:16%;
  height:2px;
  z-index:4;
  background:linear-gradient(90deg,transparent,#a78bfa,#34d399,transparent);
  animation:sfvScan 2.4s ease-in-out infinite;
  pointer-events:none;
  opacity:0;
}
.sfv-status{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:7;
  padding:12px 14px;
  background:linear-gradient(transparent,rgba(0,0,0,.85));
  color:#fff;
  font-size:.74rem;
  font-weight:800;
  text-align:center;
}

.sfv-hold-wrap{padding:0 16px 8px;}
.sfv-hold-label{display:flex;justify-content:space-between;font-size:.56rem;color:rgba(255,255,255,.4);margin-bottom:4px;font-weight:700;}
.sfv-progress{height:5px;background:rgba(255,255,255,.08);border-radius:99px;overflow:hidden;}
.sfv-progress>span{display:block;height:100%;width:0;background:linear-gradient(90deg,#7c3aed,#22c55e);transition:width .12s;}
.sfv-foot{padding:8px 16px 16px;display:flex;flex-direction:column;gap:8px;}
.sfv-hint{font-size:.68rem;color:rgba(255,255,255,.52);text-align:center;line-height:1.4;min-height:1.8em;}
.sfv-btn{width:100%;padding:13px;border:none;border-radius:12px;font-weight:800;font-size:.8rem;cursor:pointer;font-family:inherit;}
.sfv-btn--primary{background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;}
.sfv-btn--ghost{background:rgba(255,255,255,.06);color:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.12);}
.sfv-warn{font-size:.65rem;color:#fcd34d;text-align:center;padding:6px 16px 0;line-height:1.4;}
.sfv-intro{padding:18px 20px 22px;text-align:center;}
.sfv-intro-icon{width:64px;height:64px;margin:0 auto 14px;border-radius:18px;background:linear-gradient(145deg,#7c3aed,#6366f1);display:flex;align-items:center;justify-content:center;font-size:1.8rem;}
.sfv-intro h4{margin:0 0 8px;font-family:Unbounded,sans-serif;font-size:.9rem;color:#fff;}
.sfv-intro p{margin:0 0 16px;font-size:.72rem;color:rgba(255,255,255,.58);line-height:1.5;}
.sfv-intro-list{text-align:left;margin:0 0 18px;padding:0;list-style:none;}
.sfv-intro-list li{font-size:.68rem;color:rgba(255,255,255,.68);padding:7px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.sfv-intro-list li::before{content:'✓';color:#4ade80;font-weight:900;margin-right:8px;}
.sfv-done{text-align:center;padding:28px 20px;}
.sfv-done .sfv-check{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#22c55e,#059669);color:#fff;font-size:2rem;line-height:64px;margin:0 auto 14px;}
.sfv-loading{padding:40px 20px;text-align:center;}
.sfv-pulse{animation:sfvPulse 1.5s ease-in-out infinite;}

@keyframes sfvLoaderSpin{to{transform:rotate(360deg)}}
@keyframes sfvRingSpin{to{transform:translateX(-50%) rotate(360deg)}}
@keyframes sfvScan{0%,100%{top:20%;opacity:.35}50%{top:68%;opacity:.95}}
@keyframes sfvPulse{0%,100%{opacity:1}50%{opacity:.55}}

@media (min-width:480px){
  .sfv-video-wrap{width:min(100%,300px);height:min(58dvh,380px);}
}