html,
body {
  height: 100%;
  margin: 0;
}
body {
  overflow: hidden;
  background: #000;
}

#scannerWrap {
  position: fixed;
  inset: 0;
  background: #000;
}

/* contenedor del lector */
#qr-reader {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* html5-qrcode inyecta video/canvas */
#qr-reader video,
#qr-reader canvas {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
}

#scanHud {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 8px;
  z-index: 50;
  flex-wrap: wrap;
}

#scanFooter {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  padding: 12px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
}

#btn-volver {
  width: 100%;
  font-size: 20px;
  padding: 14px 14px;
  border-radius: 14px;
}

/* ocultar UI extra que a veces agrega la lib */
#qr-reader__dashboard_section,
#qr-reader__header_message {
  display: none !important;
}
.scan-feedback {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  padding: 16px 28px;
  font-size: 22px;
  font-weight: bold;
  border-radius: 12px;
  z-index: 9999;
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.scan-feedback.ok {
  background: #198754; /* verde bootstrap */
}

.scan-feedback.warn {
  background: #ffc107; /* amarillo */
  color: #000;
}

.scan-feedback.error {
  background: #dc3545; /* rojo */
}

.scan-feedback.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -10px);
}