:root {
  --ink: #1b1a17;
  --glass: rgba(18, 17, 15, 0.62);
  --line: rgba(239, 232, 218, 0.22);
  --text: #f3eee4;
  --dim: rgba(243, 238, 228, 0.66);
  --accent: #d9a35b;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; height: 100%; overflow: hidden; background: #121110; color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  user-select: none; -webkit-user-select: none; touch-action: manipulation;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

#stage { position: fixed; inset: 0; overflow: hidden; background: #0c0b0a; }
#video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
#view { position: absolute; transition: transform .25s ease, filter .25s ease; transform-origin: center; }
body.mirror #view, body.mirror #video { transform: scaleX(-1); }
body.flip #view, body.flip #video { transform: rotate(180deg); }
body.mirror.flip #view, body.mirror.flip #video { transform: scaleY(-1); }

#busy {
  position: absolute; left: 50%; top: 45%; transform: translate(-50%, -50%);
  display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); font-size: 14px;
}
.spin { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--text); animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

#toprow { position: fixed; z-index: 3; top: calc(var(--safe-t) + 10px); left: 12px; right: 12px; display: flex; gap: 8px; align-items: flex-start; }
.pill {
  padding: 7px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  background: var(--glass); border: 1px solid var(--line);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
#cam { flex: none; }
#cam::first-letter { color: #e5534b; }
#info { flex: 1; min-width: 0; font-weight: 500; color: var(--dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#info b { color: var(--text); font-weight: 600; }
#toast {
  position: fixed; z-index: 4; top: calc(var(--safe-t) + 56px); left: 50%; transform: translateX(-50%);
  max-width: min(92vw, 420px); padding: 10px 14px; border-radius: 12px; text-align: center; font-size: 14px;
  background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}

#bar {
  position: fixed; left: 0; right: 0; bottom: 0; padding: 10px 12px calc(var(--safe-b) + 14px);
  background: linear-gradient(to top, rgba(12,11,10,.94), rgba(12,11,10,.6) 70%, transparent);
}
#bar .row { display: flex; justify-content: center; gap: 8px; margin-bottom: 8px; }
#bar .row.main { justify-content: space-between; align-items: center; margin: 12px 0 0; padding: 0 10px; }
.seg { display: flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; background: var(--glass); }
.seg button { padding: 6px 11px; border-radius: 999px; font-size: 13px; color: var(--dim); }
.seg button.on { background: var(--text); color: var(--ink); font-weight: 600; }
.seg.devices button.on { background: var(--accent); color: #1a1206; }
.side { display: flex; flex-direction: column; align-items: center; gap: 2px; width: 64px; font-size: 11px; color: var(--dim); cursor: pointer; }
.side .icon { font-size: 22px; line-height: 1; color: var(--text); }
#shutter { width: 72px; height: 72px; border-radius: 50%; border: 4px solid var(--text); display: grid; place-items: center; }
#shutter span { width: 56px; height: 56px; border-radius: 50%; background: var(--text); transition: transform .1s; }
#shutter:active span { transform: scale(.9); }
body.reading #shutter span { background: var(--accent); border-radius: 12px; transform: scale(.6); }

.wide { display: block; width: 100%; padding: 13px 16px; margin-top: 10px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,.04); font-weight: 600; text-align: center; }
.wide.primary { background: var(--text); color: var(--ink); border-color: transparent; }

#start {
  position: fixed; inset: 0; z-index: 10; overflow: auto; display: grid; place-items: center; padding: 24px 20px;
  background: radial-gradient(circle at 30% 25%, rgba(217,163,91,.13), transparent 45%), #121110;
}
#start .inner { width: min(100%, 380px); }
#start h1 { font-size: 36px; margin: 0 0 6px; letter-spacing: -.01em; }
.lede { color: var(--dim); margin: 0 0 18px; font-size: 16px; }
.how { padding: 0; margin: 0 0 18px; list-style: none; }
.how li { padding: 9px 0; border-top: 1px solid var(--line); color: var(--dim); }
.how b { color: var(--text); }
.note { color: var(--dim); font-size: 12px; margin-top: 14px; text-align: center; }
#note { color: var(--accent); }
[hidden] { display: none !important; }

/* live camera: nothing has been read yet */
#camhint {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--safe-b) + 200px);
  padding: 9px 14px; border-radius: 12px; text-align: center; font-size: 14px; font-weight: 600;
  background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); white-space: nowrap;
}
#camhint span { font-weight: 400; color: var(--dim); font-size: 12.5px; }
body.live #views button.on { background: transparent; color: var(--dim); box-shadow: inset 0 0 0 1px var(--line); }

#save, #livebtn { flex: none; }
#livebtn.on, #quick.on { background: var(--accent); color: #1a1206; border-color: transparent; }
.slider {
  display: flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--line); font-size: 11.5px; color: var(--dim);
}
.slider input { width: 130px; accent-color: var(--accent); }
.slider.off input { accent-color: var(--text); }
#quick { padding: 6px 12px; }

#isr { flex: none; padding: 6px 12px; font-size: 12.5px; }
#isr.on { background: var(--accent); color: #1a1206; border-color: transparent; }
#save { flex: none; }
body.frozen #shutter span { background: var(--accent); border-radius: 12px; transform: scale(.6); }

.slider { display: flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--line); font-size: 11.5px; color: var(--dim); }
.slider input { width: 120px; accent-color: var(--accent); }
#countlbl { min-width: 58px; color: var(--text); }
#boost { flex: none; padding: 6px 12px; font-size: 12.5px; }
#boost.on { background: var(--accent); color: #1a1206; border-color: transparent; }
body.view-photo #planerow { display: none; }
body:not(.view-colour) #boost { display: none; }
body:not(.view-both) #isr { display: none; }

#palette {
  position: fixed; z-index: 3; top: calc(var(--safe-t) + 50px); left: 12px; right: 12px; padding: 5px;
  border-radius: 12px; background: var(--glass); border: 1px solid var(--line);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
#psegs { display: flex; height: 22px; border-radius: 7px; overflow: hidden; }
#psegs div { flex-basis: 0; min-width: 3px; display: grid; place-items: center; font-size: 11px; font-weight: 600; }
#psum { padding: 4px 3px 0; font-size: 11.5px; color: var(--dim); }