.blur-active {
  filter: blur(3px);
  pointer-events: none;
  user-select: none;
}

/* --- FIXED & CLEANED Step Popup (SINGLE DEFINITION, NO LEAKS, NO FLICKER) --- */
.step-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(3px);
  justify-content: center;
  align-items: center;
  padding: 20px;
  z-index: 5000;
  overflow-y: auto;
  transition: none !important;
}

/* Popup card STABLE (no animation repaint, no hover effects) */
.step-popup-card {
  background: #fff;
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  padding: 18px 20px;
  box-shadow: 0 6px 30px rgba(0,0,0,0.25);
  max-height: 85vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: none !important;
  animation: none !important;  /* ✅ IMPORTANT: removes blink repaint */
}

/* OK button STABLE */
.step-popup-ok {
  background: #4A90E2;
  color: white;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 8px 20px;
  font-size: 15px;
  cursor: pointer;
  margin-top: 12px;
  transition: background 0.25s ease;
}

.step-popup-ok:hover {
  background: #3a7bc2;
}