.flowContainer {
  width: 100%;
  height: 100%;
  position: relative;
}

.errorToast {
  position: fixed;
  top: 1rem;
  right: 1rem;
  padding: 1rem;
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  border-radius: 4px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideIn 0.3s ease-out;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.errorToast button {
  background: none;
  border: none;
  color: #721c24;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0;
  margin-left: 0.5rem;
  transition: color 0.2s ease;
}

.errorToast button:hover {
  color: #dc3545;
}

.errorToast button:focus {
  outline: 2px solid #dc3545;
  outline-offset: 2px;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.editOverlay {
  position: absolute;
  z-index: 1000;
  background-color: white;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.editInput {
  padding: 0.5rem;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  font-size: 1rem;
  width: 200px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.editInput:focus {
  border-color: #4299e1;
  box-shadow: 0 0 0 2px rgba(66, 153, 225, 0.2);
}

.actionButton {
  padding: 8px 16px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.2s ease, transform 0.1s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
}

.actionButton:hover {
  background-color: #0056b3;
  transform: translateY(-1px);
}

.actionButton:active {
  transform: translateY(0);
}

.actionButton:focus {
  outline: 2px solid #0056b3;
  outline-offset: 2px;
}

.actionButton:disabled {
  background-color: #6c757d;
  cursor: not-allowed;
  transform: none;
}

.actionButton.saving {
  background-color: #6c757d;
  cursor: wait;
}

.actionButton.dirty {
  background-color: #28a745;
}

.actionButton.dirty:hover {
  background-color: #218838;
}

/* Loading state styles */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

/* Accessibility focus styles */
:focus-visible {
  outline: 2px solid #007bff;
  outline-offset: 2px;
}

/* High contrast mode support */
@media (forced-colors: active) {
  .actionButton {
    border: 2px solid currentColor;
  }
  
  .errorToast {
    border: 2px solid currentColor;
  }
  
  .editInput {
    border: 2px solid currentColor;
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .errorToast {
    animation: none;
  }
  
  .actionButton {
    transition: none;
  }
  
  .editInput {
    transition: none;
  }
}

.verticalToolbar {
  position: absolute;
  top: 24px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1100;
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  padding: 18px 12px 18px 12px;
  align-items: stretch;
  min-width: 120px;
}

.toolbarDivider {
  height: 1px;
  background: #e0e0e0;
  margin: 10px 0;
  border: none;
}

.verticalToolbar .actionButton {
  width: 100%;
  margin-bottom: 2px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.verticalToolbar .actionButton.saving {
  background-color: #6c757d;
  cursor: wait;
}

.verticalToolbar .actionButton.dirty {
  background-color: #28a745;
}

.verticalToolbar .actionButton.dirty:hover {
  background-color: #218838;
}

.verticalToolbar .toolButton {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  margin-bottom: 2px;
  border-radius: 8px;
  font-size: 1.3rem;
  background: #f7fafc;
  color: #222;
  border: 1px solid #e0e0e0;
}

.verticalToolbar .toolButton:hover {
  background: #eaf4ff;
  color: #007bff;
  border-color: #007bff;
}

.verticalToolbar .toolButton:active {
  background: #d0e7ff;
  color: #0056b3;
}

.mindMapHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.5rem 0.5rem 1rem;
  background: rgba(255,255,255,0.45);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color, #e0e0e0);
  z-index: 1050;
  position: relative;
}

.titleInput {
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0.5rem;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 4px;
  background-color: #fff;
  color: #222;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
  min-width: 220px;
}

.titleInput:focus {
  outline: none;
  border-color: var(--primary-color, #007bff);
}

.colorControls {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.colorButton {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 4px;
  background-color: #fff;
  color: #222;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.colorButton:hover {
  background-color: #f0f4fa;
}

.colorButton.active {
  background-color: #eaf4ff;
}

.colorPicker {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0.5rem;
  padding: 1rem;
  background-color: #fff;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  min-width: 300px;
  animation: slideDown 0.2s ease-out;
}

.colorPresets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.colorPreset {
  width: 100%;
  aspect-ratio: 1;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.colorPreset:hover {
  transform: scale(1.05);
}

.colorPreset.selected {
  border-color: var(--primary-color, #007bff);
  transform: scale(1.05);
}

.customColors {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.colorControl {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.colorInputWrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.colorInput {
  width: 50px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 4px;
  cursor: pointer;
}

.colorValue {
  font-family: monospace;
  font-size: 0.875rem;
}

.colorPickerToolbar {
  position: absolute;
  top: 60px;
  right: 110%;
  margin-right: 12px;
  padding: 1rem;
  background-color: #fff;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  z-index: 2000;
  min-width: 300px;
  animation: slideDown 0.2s ease-out;
}

.nodeLabelInput {
  width: 100%;
  padding: 8px 10px;
  font-size: 1rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 6px;
  margin-bottom: 8px;
  background: #f7fafc;
  color: #222;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.nodeLabelInput:focus {
  border-color: #007bff;
  outline: none;
  box-shadow: 0 0 0 2px #eaf4ff;
}

@media (max-width: 700px) {
  .verticalToolbar {
    position: fixed;
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    min-width: 0;
    width: 100vw;
    border-radius: 0;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.10);
    padding: 10px 6px 10px 6px;
    gap: 8px;
    z-index: 1200;
    background: rgba(255,255,255,0.98);
  }
  .verticalToolbar .actionButton,
  .verticalToolbar .toolButton {
    width: auto;
    min-width: 20px;
    margin-bottom: 0;
    margin-right: 2px;
    margin-left: 2px;
  }
  .toolbarDivider {
    width: 1px;
    height: 16px;
    margin: 0 8px;
    /* background: #e0e0e0; */
    border: none;
  }
  .colorPickerToolbar {
    position: fixed;
    bottom: 60px;
    right: 16px;
    left: auto;
    top: auto;
    margin: 0;
    z-index: 2001;
    min-width: 90vw;
    max-width: 98vw;
  }
}