:root {
  --ink: #2a1a08;
  --parchment: #f6e7c8;
  --burnt: #b4531f;
  --carrot: #ef7a21;
  --leaf: #5f8f3a;
  --gun: #4a4038;
  --shadow: rgba(24, 14, 4, .45);
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  /*
   * The page must stay transparent all the way down.
   *
   * Standalone WebXR browsers for iOS (the iQ3Connect XR Viewer, and Mozilla's
   * WebXR Viewer it forks) render the ARKit camera feed *natively behind* a
   * transparent WKWebView -- `webView.isOpaque = false` with a clear
   * background -- rather than compositing it like Chrome does. An opaque body
   * colour there is a sheet of paint over the camera, and the passthrough
   * simply never appears.
   *
   * The menu screens paint their own backdrop, so nothing needs one here.
   */
  background: transparent;
  color: var(--parchment);
  font-family: "Trebuchet MS", "Gill Sans", "Segoe UI", system-ui, sans-serif;
  overscroll-behavior: none;
  touch-action: none;
}

#stage, #passthrough {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
#passthrough {
  object-fit: cover;
  z-index: 0;
  background: #000;
  display: none;
}
#passthrough.live { display: block; }
#stage { z-index: 1; background: transparent; }

/*
  Pointer routing. The overlay sits on top of the canvas in every mode, so
  only genuinely interactive chrome may capture taps -- everything else has to
  let the touch through to the canvas, which is what fires the gun.
*/
#overlay {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
#overlay .screen { pointer-events: auto; }        /* full-screen menus */
/* The diagnostics sheet is not a .screen, so it needs its own grant -- without
   it the panel opens over everything and nothing inside it can be tapped. */
#overlay .diag { pointer-events: auto; }
#overlay .screen.bare { pointer-events: none; }   /* in-world HUDs */
#overlay .screen.bare .scan-bottom,
#overlay .screen.bare .kind,
#overlay .screen.bare .btn { pointer-events: auto; }
#overlay .tap-hint,
#overlay .scan-readout,
#overlay .hud-top,
#overlay .hud-bottom,
#overlay .scan-top,
#overlay .taunt,
#overlay .gag,
#overlay .toast,
#overlay .flash { pointer-events: none; }

/* ---------------- screens ---------------- */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(16px + var(--safe-t)) 16px calc(16px + var(--safe-b));
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(72, 40, 12, .92), rgba(12, 8, 4, .96));
  overflow-y: auto;
}
/* Must outrank the `.screen.bare { display: block }` rule below. */
.screen[hidden] { display: none !important; }
.screen.bare {
  background: none;
  display: block;
  padding: 0;
  overflow: hidden;
}

.card {
  width: min(520px, 100%);
  background: linear-gradient(180deg, #fdf3dd, #f0dcb4);
  color: var(--ink);
  border: 3px solid var(--ink);
  border-radius: 22px;
  padding: 22px 20px 18px;
  box-shadow: 0 18px 0 -6px rgba(0,0,0,.35), 0 30px 60px rgba(0,0,0,.55);
  text-align: center;
}

.logo {
  margin: 0 0 6px;
  line-height: .92;
  font-weight: 900;
  letter-spacing: -.02em;
  text-transform: uppercase;
}
.logo span {
  display: block;
  font-size: clamp(38px, 13vw, 62px);
  color: var(--burnt);
  -webkit-text-stroke: 2px var(--ink);
  text-shadow: 3px 3px 0 rgba(0,0,0,.18);
}
.logo em {
  display: block;
  font-style: normal;
  font-size: clamp(30px, 10vw, 50px);
  color: var(--leaf);
  -webkit-text-stroke: 2px var(--ink);
  transform: rotate(-2deg);
}
.tagline { margin: 4px 0 10px; font-style: italic; opacity: .8; font-size: 15px; }
.crest { font-size: 40px; margin: 2px 0 8px; }
.blurb { font-size: 15px; line-height: 1.45; margin: 0 0 16px; }
h2 { margin: 0 0 10px; font-size: 26px; color: var(--burnt); -webkit-text-stroke: 1px var(--ink); }

.howto { text-align: left; font-size: 15px; line-height: 1.5; padding-left: 20px; margin: 0 0 16px; }
.howto li { margin-bottom: 8px; }
.howto b { color: var(--burnt); }

/* ---------------- buttons ---------------- */
.btn {
  display: block;
  width: 100%;
  margin: 8px 0 0;
  padding: 14px 18px;
  font: inherit;
  font-weight: 800;
  font-size: 17px;
  border-radius: 14px;
  border: 3px solid var(--ink);
  cursor: pointer;
  transition: transform .08s ease, filter .15s ease;
}
.btn:active { transform: translateY(2px) scale(.99); }
.btn.primary { background: var(--carrot); color: #21150a; box-shadow: 0 5px 0 var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: none; }
a.btn { text-decoration: none; text-align: center; box-sizing: border-box; }
.btn.small { padding: 8px 14px; font-size: 14px; }
.btn.tiny { padding: 7px 12px; font-size: 13px; width: auto; }
.btn[disabled] { opacity: .5; filter: grayscale(.6); cursor: default; }
.btn.corner {
  position: absolute;
  top: calc(10px + var(--safe-t));
  right: 10px;
  background: rgba(20,12,4,.62);
  color: var(--parchment);
  border-color: rgba(246,231,200,.5);
}
.build {
  margin: 8px 0 0;
  font-size: 11px;
  letter-spacing: .06em;
  opacity: .55;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.linkish {
  font: inherit;
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.support { margin: 12px 0 0; font-size: 12.5px; opacity: .72; line-height: 1.4; }
.support.warn { color: #8a3a10; opacity: 1; font-weight: 700; }

/* ---------------- scan ---------------- */
.scan-top {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: calc(14px + var(--safe-t)) 16px 14px;
  text-align: center;
  background: linear-gradient(180deg, rgba(12,8,3,.75), transparent);
  text-shadow: 0 2px 6px #000;
}
.scan-title { font-size: 20px; font-weight: 900; letter-spacing: .02em; }
.scan-sub { font-size: 13.5px; opacity: .88; margin-top: 3px; }
.meter {
  height: 7px;
  margin: 10px auto 0;
  width: min(320px, 74%);
  border-radius: 99px;
  background: rgba(255,255,255,.18);
  overflow: hidden;
}
.meter i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--leaf), var(--carrot));
  transition: width .25s ease;
}
.scan-readout {
  margin-top: 7px;
  font-size: 11.5px;
  letter-spacing: .04em;
  opacity: .8;
  font-variant-numeric: tabular-nums;
}
.scan-readout.estimated { color: #9fd0ff; }
.scan-readout.sensed { color: #b6ef86; }

/*
 * Sits just under the reticle. Must never take pointer events: in an iOS
 * WebXR browser the topmost DOM-overlay element under the touch is asked
 * whether to cancel the XR select, so anything interactive floating over the
 * middle of the screen would silently swallow the tap that marks a spot.
 */
.tap-hint {
  position: absolute;
  top: 56%;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  border-radius: 99px;
  background: rgba(239, 122, 33, .92);
  color: #21150a;
  border: 2px solid var(--ink);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
  animation: tapPulse 1.6s ease-in-out infinite;
}
@keyframes tapPulse {
  0%, 100% { transform: translateX(-50%) scale(1); }
  50% { transform: translateX(-50%) scale(1.07); }
}

.scan-bottom {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px calc(14px + var(--safe-b));
  background: linear-gradient(0deg, rgba(12,8,3,.8), transparent);
}
.scan-bottom .btn { max-width: 420px; margin-left: auto; margin-right: auto; }
.kinds {
  display: flex;
  gap: 5px;
  justify-content: center;
  margin-bottom: 6px;
}
.kind {
  flex: 1 1 0;
  min-width: 0;
  font: inherit;
  font-weight: 800;
  font-size: 12px;
  padding: 8px 5px;
  border-radius: 10px;
  border: 2px solid rgba(246, 231, 200, .45);
  background: rgba(20, 12, 4, .6);
  color: var(--parchment);
  cursor: pointer;
}
.kind.is-on {
  background: var(--carrot);
  border-color: var(--ink);
  color: #21150a;
}
.kind-hint {
  text-align: center;
  font-size: 11.5px;
  opacity: .85;
  margin-bottom: 6px;
  text-shadow: 0 1px 3px #000;
  min-height: 1.2em;
}

.marks { display: flex; flex-wrap: wrap; gap: 5px; justify-content: center; margin-bottom: 7px; }
.mark-pill.auto { background: rgba(58, 127, 143, .88); }
.mark-pill {
  font-size: 12px;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 99px;
  background: rgba(95,143,58,.85);
  border: 2px solid rgba(246,231,200,.7);
  animation: pop .25s ease;
}
@keyframes pop { from { transform: scale(.5); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ---------------- hunt HUD ---------------- */
.hud-top {
  position: absolute;
  top: 0; left: 0;
  padding: calc(10px + var(--safe-t)) 12px 0;
  display: flex;
  gap: 8px;
}
.hud-chip {
  background: rgba(20,12,4,.6);
  border: 2px solid rgba(246,231,200,.35);
  border-radius: 12px;
  padding: 5px 10px;
  text-align: center;
  min-width: 56px;
  backdrop-filter: blur(3px);
}
.hud-chip .k { display: block; font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; opacity: .7; }
.hud-chip b { font-size: 19px; font-weight: 900; line-height: 1.1; }

.hud-bottom {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0 16px calc(14px + var(--safe-b));
  text-align: center;
  pointer-events: none;
}
.hint {
  display: inline-block;
  font-size: 12.5px;
  padding: 6px 12px;
  border-radius: 99px;
  background: rgba(20,12,4,.55);
  text-shadow: 0 1px 3px #000;
  transition: opacity .4s ease;
}

.taunt, .gag {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  max-width: min(440px, 88vw);
  text-align: center;
  font-weight: 900;
  border: 3px solid var(--ink);
  border-radius: 16px;
  padding: 10px 16px;
  box-shadow: 0 8px 0 -3px rgba(0,0,0,.4);
  pointer-events: none;
}
.taunt {
  top: calc(76px + var(--safe-t));
  background: #fdf3dd;
  color: var(--ink);
  font-size: 17px;
  font-style: italic;
  animation: bubble .3s cubic-bezier(.2,1.6,.4,1);
}
.gag {
  bottom: calc(76px + var(--safe-b));
  background: var(--carrot);
  color: #21150a;
  font-size: 19px;
  text-transform: uppercase;
  letter-spacing: .02em;
  animation: slam .32s cubic-bezier(.2,1.8,.4,1);
}
@keyframes bubble { from { transform: translateX(-50%) scale(.6) rotate(-4deg); opacity: 0; } }
@keyframes slam { from { transform: translateX(-50%) scale(1.8); opacity: 0; } }

/* ---------------- results ---------------- */
.score-big {
  font-size: clamp(58px, 20vw, 92px);
  font-weight: 900;
  line-height: 1;
  color: var(--burnt);
  -webkit-text-stroke: 3px var(--ink);
}
.score-label { margin: 0 0 14px; text-transform: uppercase; letter-spacing: .18em; font-size: 11px; opacity: .7; }
.res-lines { list-style: none; padding: 0; margin: 0 0 14px; text-align: left; font-size: 14px; }
.res-lines li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 2px;
  border-bottom: 1px dashed rgba(42,26,8,.28);
}
.res-lines li b { white-space: nowrap; }
.rank { font-size: 17px; font-weight: 800; font-style: italic; color: var(--burnt); margin: 0 0 14px; }

/* ---------------- misc ---------------- */
.toast {
  position: absolute;
  left: 50%;
  bottom: calc(96px + var(--safe-b));
  transform: translateX(-50%);
  background: rgba(20,12,4,.88);
  border: 2px solid rgba(246,231,200,.4);
  border-radius: 12px;
  padding: 9px 15px;
  font-size: 13.5px;
  max-width: 86vw;
  text-align: center;
  pointer-events: none;
}
/*
 * Ghost buttons are styled for the light menu card, so their dark ink text
 * disappears against the scan panel's dark gradient.
 */
.scan-bottom .btn.ghost {
  color: var(--parchment);
  border-color: rgba(246, 231, 200, .45);
}

body.scanning .toast {
  top: calc(104px + var(--safe-t));
  bottom: auto;
}

.diag {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(16px + var(--safe-t)) 12px calc(16px + var(--safe-b));
  background: rgba(10, 7, 3, .88);
}
.diag[hidden] { display: none; }
.diag-card {
  width: min(520px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  background: #1b1409;
  border: 2px solid rgba(246, 231, 200, .35);
  border-radius: 16px;
  padding: 14px;
}
.diag-card h3 { margin: 0 0 4px; font-size: 18px; }
.diag-note { margin: 0 0 10px; font-size: 12px; opacity: .7; line-height: 1.4; }
#diag-body {
  flex: 1;
  overflow: auto;
  margin: 0 0 10px;
  padding: 10px;
  background: rgba(0, 0, 0, .45);
  border-radius: 10px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  -webkit-user-select: text;
  user-select: text;
}
.diag-actions { display: flex; gap: 8px; }
.diag-actions .btn { margin: 0; flex: 1; }

.flash {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  mix-blend-mode: screen;
}
.flash.fire { animation: muzzle .16s ease-out; }
@keyframes muzzle { 0% { opacity: .72; } 100% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}