/* AR mode is a separate progressive enhancement: the proven basic scanner stays intact. */
.ar-page{min-height:100vh}
.ar-header{padding:18px 0}
.ar-header>a{font-size:20px}
.ar-main{max-width:960px}
.ar-intro{padding:28px 0 18px}
.ar-intro h1{font-size:clamp(32px,5vw,52px);line-height:1.1;margin:12px 0;letter-spacing:-1.5px}
.ar-intro .lead{max-width:720px;line-height:1.65}
.ar-experiment{color:#d7f878;font-size:12px}
.ar-experience{border:1px solid #333b31;border-radius:20px;overflow:hidden;background:var(--panel)}
.ar-stage{position:relative;overflow:hidden;isolation:isolate;width:100%;height:min(70vh,660px);min-height:310px;background:#060907}
.ar-stage>video{position:absolute!important;z-index:0}
.ar-stage>canvas{position:absolute!important;z-index:1;pointer-events:none}
.ar-placeholder{display:flex;position:absolute;inset:0;z-index:0;align-items:center;justify-content:center;flex-direction:column;gap:28px;background:radial-gradient(circle at center,#415138,#101411 75%);color:#d7f878;text-align:center;font-size:13px;letter-spacing:1px}
.ar-ring{display:grid;place-items:center;width:180px;height:180px;border:2px solid #d7f878;border-radius:32px;transform:rotate(-10deg);box-shadow:0 0 70px #d7f87835,inset 0 0 55px #d7f87820}
.ar-spark{font-size:70px;transform:rotate(10deg)}
.ar-media{position:absolute;overflow:hidden;left:-10000px;top:auto;width:1px;height:1px;pointer-events:none}
.ar-media video{width:1px;height:1px;opacity:0}
.ar-full-video{width:100%;max-height:65vh;background:#000}
.ar-panel{padding:18px 21px 20px}
#ar-status{font-size:14px;line-height:1.6;min-height:22px;margin:0 0 13px}
#ar-status[data-error="true"]{color:#ffc19d}
.ar-details{font-size:11px;color:#ffc19d;white-space:pre-wrap;overflow-wrap:anywhere}
.ar-actions{display:flex;flex-wrap:wrap;gap:9px}
.ar-actions button{flex:1 1 180px}
.ar-actions .primary{flex:1 1 100%}
.ar-regular-link{display:inline-block;color:var(--accent);font-weight:600;font-size:13px;margin-top:18px;text-decoration:underline;text-underline-offset:4px}
.ar-tip,.ar-caption{font-size:12px;max-width:720px;line-height:1.7;color:var(--muted)}
.ar-caption{margin-bottom:40px}
@media(max-width:640px){
  .ar-intro{padding-top:19px}
  .ar-stage{height:56vh;min-height:285px}
  .ar-intro h1{font-size:clamp(30px,8vw,43px)}
  .ar-panel{padding:15px}
  .ar-actions button{flex:1 1 calc(50% - 9px)}
}

/* The toggle compares the original video-only AR with the emerging 3D figure. */
#ar-character[aria-pressed="true"]{border-color:var(--accent);color:var(--accent)}
#ar-character[aria-pressed="false"]{border-color:#4b5646;color:var(--ink)}
#ar-character:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* 15-second handoff: the same HTMLVideoElement fills the phone viewport.
   Native fullscreen requires a separate user gesture on mobile browsers. */
.ar-countdown{margin:10px 0 4px;padding:11px 13px;border:1px solid #667a51;border-radius:10px;color:var(--accent);font-size:13px;font-weight:700}
.ar-page.ar-cinema-mode{overflow:hidden}
.ar-cinema{
  position:fixed;inset:0;z-index:99999;display:flex;flex-direction:column;
  width:100vw;height:100vh;height:100dvh;max-height:100dvh;
  background:#000;color:#fff;
}
.ar-cinema-toolbar{
  position:absolute;left:0;top:0;right:0;z-index:2;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
  gap:12px;padding:12px max(14px,env(safe-area-inset-right)) 12px max(14px,env(safe-area-inset-left));
  background:linear-gradient(#080c0aef,#080c0aa8 75%,transparent);
}
#ar-cinema-label{font-size:13px;font-weight:700;line-height:1.5}
.ar-cinema-toolbar-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ar-cinema-toolbar-actions button,.ar-cinema-recovery button{flex:0 0 auto;min-height:40px;padding:8px 12px}
#ar-cinema-vk{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 14px;border-radius:10px;background:var(--accent);color:#15200e;font-size:13px;font-weight:700;text-decoration:none;line-height:1.4;text-align:center}
#ar-cinema-vk:focus-visible{outline:3px solid #fff;outline-offset:3px}
#ar-cinema-native{border-color:var(--accent);color:var(--accent)}
.ar-cinema-screen{
  min-height:0;flex:1;display:flex;align-items:center;justify-content:center;
  width:100%;overflow:hidden;background:#000;
}
.ar-cinema-video{
  display:block;width:100%;height:100%;max-width:100%;max-height:100%;
  object-fit:contain;background:#000;
}
.ar-cinema-recovery{position:absolute;bottom:env(safe-area-inset-bottom);left:0;right:0;z-index:2;display:flex;justify-content:center;background:#141a1699}
.ar-cinema-recovery:has(button[hidden]){display:none}
#ar-cinema-play{margin:8px 10px;background:var(--accent);color:#15200e;border:none}
@media(max-width:640px){
  .ar-cinema-toolbar{padding-top:max(9px,env(safe-area-inset-top));gap:8px}
  #ar-cinema-label{font-size:12px}
  .ar-cinema-toolbar-actions{width:100%;justify-content:space-between;gap:6px}
  .ar-cinema-toolbar-actions button{font-size:11px;padding:8px 9px;min-height:39px}
  #ar-cinema-vk{flex:1 1 100%;font-size:13px}
}