* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
  background: #000;
  overflow: hidden;
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  /* Safe areas for iPhone X+ notch */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

#viewer {
  position: absolute;
  inset: 0;
  z-index: 1;
}

#instructionContainer {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 30%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 90%;
  max-width: 600px;
  background: rgba(0, 0, 0, 0.85);
  padding: 30px 20px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

#instructionTitle {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 15px 0;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 20px rgba(255, 0, 0, 0.8), 0 0 40px rgba(255, 0, 0, 0.5);
  font-family: 'Inter', sans-serif;
}

#instructionText {
  font-size: 18px;
  font-weight: 400;
  color: #fff;
  margin: 0;
  opacity: 0.9;
  font-family: 'Inter', sans-serif;
}

#startButton {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 55%;
  transform: translate(-50%, -50%);
  padding: 16px 45px;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, #ff0000, #cc0000);
  color: #fff;
  border: none;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(255, 0, 0, 0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
}

#startButton:hover {
  transform: translate(-50%, -50%) scale(1.05);
  box-shadow: 0 12px 35px rgba(255, 0, 0, 0.7);
}

#borderOverlay {
  position: fixed;
  z-index: 999;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 35%;
  height: auto;
  max-width: 400px;
  pointer-events: none;
  display: none;
}

.can-hotspot img {
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
  cursor: pointer;
  width: 80px;
  height: auto;
}

.pnlm-custom-hotspot {
  transform: translate(-50%, -50%) !important;
}