/* ---------- Floating glass (phone or iPad flat, clear sheet at 45 degrees) ---------- */
#ar.glassv { background: #000; }
#ar.glassv #stage { display: none; }
/* The camera runs for hand control and is shown as a small mirror in the corner: you can see
   where your hand is, and iPhone Safari only delivers frames for a video that is really on
   screen (a hidden or 2px video gives the hand tracker blank frames). */
#ar.glassv #cam { inset: calc(env(safe-area-inset-top) + 64px) 12px auto auto; width: 96px; height: 72px; border-radius: 10px; transform: scaleX(-1); opacity: 0.9; z-index: 3; border: 1px solid var(--line); box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5); pointer-events: none; }
#ar.glassv.no-cam #cam { display: none; }
.glass { position: absolute; inset: 0; z-index: 0; overflow: hidden; background: #000; touch-action: none; }
.glass[hidden] { display: none; }
.g-flip { position: absolute; inset: 0; transform: scaleY(-1); }
.g-doc { position: absolute; inset: 0; overflow: hidden; }
.g-content { --gs: 1; padding: 6vmin 7vmin 30vmin; color: #fff; font: 400 calc(clamp(18px, 3.4vmin, 36px) * var(--gs))/1.45 var(--font); will-change: transform; }
.g-content h1 { font: 700 2em/1.1 var(--display); letter-spacing: -0.02em; margin: 0.2em 0 0.6em; }
.g-content h2 { font: 700 1.45em/1.2 var(--display); margin: 1.2em 0 0.4em; }
.g-content h3 { font: 600 1.15em/1.25 var(--display); margin: 1em 0 0.3em; }
.g-content p { margin: 0 0 0.7em; }
.g-content .g-li { padding-left: 1em; position: relative; }
.g-content .g-li::before { content: ""; position: absolute; left: 0.2em; top: 0.62em; width: 0.35em; height: 0.35em; border-radius: 50%; background: var(--mint); }
.g-content figure { margin: 0.6em 0 1em; }
.g-content img { display: block; max-width: min(45%, 520px); max-height: 30vmin; border-radius: 10px; }
.g-content figcaption { font-size: 0.7em; color: #aab3c8; margin-top: 0.3em; }
.g-site { font-size: 0.7em; color: var(--mint); letter-spacing: 0.04em; }
.g-link { color: #8ef8da; text-decoration: underline; text-decoration-thickness: 0.08em; text-underline-offset: 0.15em; border-radius: 6px; cursor: pointer; }
.g-link.hover { background: rgba(124, 245, 211, 0.28); box-shadow: 0 0 0 0.15em rgba(124, 245, 211, 0.28); color: #fff; }
.g-wait { color: #aab3c8; }
.g-cursor { position: absolute; width: 44px; height: 44px; margin: -22px 0 0 -22px; border-radius: 50%; border: 4px solid #7cf5d3; box-shadow: 0 0 18px rgba(124, 245, 211, 0.9), inset 0 0 10px rgba(124, 245, 211, 0.6); pointer-events: none; transition: left 70ms linear, top 70ms linear; z-index: 2; }
.g-cursor[hidden] { display: none; }
.g-cursor.pulse { animation: gpulse 0.35s ease-out; }
@keyframes gpulse { 0% { transform: scale(1); } 40% { transform: scale(0.6); background: rgba(124, 245, 211, 0.6); } 100% { transform: scale(1); } }

/* controls fade away so they don't show in the reflection */
.fade-only { display: none; }
#ar.glassv .fade-only, #ar.pyr .fade-only { display: inline-flex; }
#ar.glassv #recenter-btn { display: none; }
#ar.glassv.ui-hidden .hud-top, #ar.glassv.ui-hidden .dock, #ar.glassv.ui-hidden .hint { opacity: 0; pointer-events: none; }

.glass-pair { cursor: pointer; position: absolute; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 76px); transform: translateX(-50%); z-index: 4; width: min(460px, calc(100% - 32px)); padding: 14px 16px; border-radius: 16px; background: rgba(13, 18, 36, 0.92); border: 1px solid rgba(124, 245, 211, 0.4); text-align: center; transition: opacity 0.4s; }
.glass-pair[hidden] { display: none; }
.glass-pair .code { font: 700 40px/1 var(--display); letter-spacing: 0.25em; color: var(--mint); margin: 6px 0 8px; padding-left: 0.25em; }
.glass-pair p { margin: 0; color: #c9d0e3; font-size: 14px; line-height: 1.45; }
.glass-pair b { color: #fff; }
/* Read directly on this screen (no clear sheet): the page is drawn the right way up. */
.glass.noflip .g-flip { transform: none; }
.glass-only { display: none; }
#ar.glassv .glass-only { display: inline-flex; }
.help-actions { position: sticky; bottom: 0; display: grid; gap: 8px; background: #0d1224; box-shadow: 0 0 0 14px #0d1224; }
.help-actions .btn-primary { width: 100%; }
.help-actions .chip { justify-content: center; padding: 11px 13px; font-size: 14px; }
.help-actions .chip[hidden] { display: none; }
/* The real page, in a sandboxed frame; touches go to the overlay so Airpane handles them. */
.g-page { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #fff; }
.g-page[hidden] { display: none; }
.g-touch { position: absolute; inset: 0; z-index: 1; }
.g-cursor { z-index: 3; }

/* ---------- Pinch and throw ---------- */
/* held: the page becomes a glowing card in the hand (on black, so in the sheet only the card shows) */
.glass .g-doc { transform-origin: 50% 50%; }
.glass.held .g-doc { transform: perspective(900px) translate(var(--cx, 0%), var(--cy, 0%)) translateZ(0) rotateX(0deg) scale(0.38); border-radius: 22px; box-shadow: 0 0 0 4px #7cf5d3, 0 0 60px 8px rgba(124, 245, 211, 0.75); transition: transform 90ms linear; }
/* thrown: out of the hand, towards the viewer, then open to the full floating page */
.glass.thrown .g-doc { animation: gthrow 0.85s cubic-bezier(0.2, 0.75, 0.25, 1) both; }
@keyframes gthrow {
  0% { transform: perspective(900px) translate(var(--cx, 0%), var(--cy, 0%)) translateZ(0) rotateX(0deg) scale(0.38); border-radius: 22px; box-shadow: 0 0 0 4px #7cf5d3, 0 0 60px 8px rgba(124, 245, 211, 0.75); }
  35% { transform: perspective(900px) translate(var(--tx, 0%), var(--ty, 0%)) translateZ(320px) rotateX(var(--rx, 18deg)) scale(0.46); border-radius: 22px; box-shadow: 0 0 0 5px #fff, 0 0 110px 30px rgba(124, 245, 211, 0.9); }
  100% { transform: perspective(900px) translate(0%, 0%) translateZ(0) rotateX(0deg) scale(1); border-radius: 0; box-shadow: 0 0 0 0 rgba(124, 245, 211, 0), 0 0 0 0 rgba(124, 245, 211, 0); }
}
.glass.dropping .g-doc { animation: gdrop 0.3s ease-out both; }
@keyframes gdrop { 0% { transform: perspective(900px) translate(var(--cx, 0%), var(--cy, 0%)) translateZ(0) rotateX(0deg) scale(0.38); border-radius: 22px; } 100% { transform: perspective(900px) translate(0%, 0%) translateZ(0) rotateX(0deg) scale(1); border-radius: 0; } }
.g-burst { position: absolute; z-index: 4; width: 40vmin; height: 40vmin; margin: -20vmin 0 0 -20vmin; border-radius: 50%; border: 3px solid #7cf5d3; box-shadow: 0 0 40px rgba(124, 245, 211, 0.9), inset 0 0 40px rgba(124, 245, 211, 0.5); pointer-events: none; animation: gburst 0.8s ease-out forwards; }
@keyframes gburst { 0% { transform: scale(0.2); opacity: 1; } 100% { transform: scale(2.6); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .glass.thrown .g-doc, .glass.dropping .g-doc { animation-duration: 0.01s; } .g-burst { display: none; } }