#qr-code canvas,
#qr-code img {
  border: 2px solid #eee;
  border-radius: 10px;
  padding: 5px;
  background: #fff;
  width: 100% !important;
  height: auto !important;
  max-width: 400px;
  display: block;
  margin: 0 auto;
}


#qr-message {
  position: absolute;
  top: 36px;
  left: 50%;
  transform: translate(-50%, -50%);

  font-weight: bold;
  display: none;
  z-index: 1000;
  text-align: center;
}

/* Default colors */
#qr-color-preview {
  background: #000000;
}

#qr-bg-preview {
  background: #ffffff;
}

/* Preview box */
.color-preview {
  width: 96px;
  height: 40px;
  border-radius: 6px;
  border: 1px solid #ccc;
  cursor: pointer;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

/* Hidden color input but still clickable */
.color-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  opacity: 0;
  /* invisible but clickable */
  cursor: pointer;
}

/* Hover effect */
.color-preview:hover {
  border-color: #007bff;
  box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}


.qr-type-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 15px;
}
.qr-type-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f8f9fa;
  border: 2px solid #ddd;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s;
}
.qr-type-btn.active {
  background: #007bff;
  color: #fff;
  border-color: #007bff;
}