/**
 * Advanced Workflow Designer CSS
 * Complete styling for the visual workflow builder
 */

/* Main Layout */
.workflow-designer {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #f8f9fa;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Toolbar */
.toolbar {
  background: #ffffff;
  border-bottom: 1px solid #e0e0e0;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.toolbar-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-section:not(:last-child) {
  border-right: 1px solid #e0e0e0;
  padding-right: 16px;
}

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: #2196f3;
  color: white;
}

.btn-primary:hover {
  background: #1976d2;
}

.btn-secondary {
  background: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background: #5a6268;
}

.btn-success {
  background: #28a745;
  color: white;
}

.btn-success:hover {
  background: #218838;
}

.btn-warning {
  background: #ffc107;
  color: #212529;
}

.btn-warning:hover {
  background: #e0a800;
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover {
  background: #c82333;
}

.btn-info {
  background: #17a2b8;
  color: white;
}

.btn-info:hover {
  background: #138496;
}

/* Main Body */
.designer-body {
  flex: 1;
  display: flex;
  min-height: 0;
}

/* Node Palette */
.node-palette {
  width: 280px;
  background: #ffffff;
  border-right: 1px solid #e0e0e0;
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.palette-header {
  padding: 16px;
  border-bottom: 1px solid #e0e0e0;
  background: #f8f9fa;
}

.palette-header h3 {
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 600;
  color: #333;
}

.palette-search input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.palette-search input:focus {
  outline: none;
  border-color: #2196f3;
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

.palette-content {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.palette-category {
  margin-bottom: 16px;
}

.palette-category h4 {
  margin: 0 0 8px 0;
  font-size: 14px;
  font-weight: 600;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 12px;
  background: #f1f3f4;
  border-radius: 4px;
}

.palette-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.palette-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  cursor: grab;
  transition: all 0.2s ease;
  user-select: none;
}

.palette-item:hover {
  background: #f8f9fa;
  border-color: #2196f3;
  transform: translateX(4px);
}

.palette-item:active {
  cursor: grabbing;
  transform: scale(0.98);
}

.palette-item i {
  font-size: 16px;
  color: #666;
  width: 20px;
  text-align: center;
}

.palette-item span {
  font-size: 13px;
  font-weight: 500;
  color: #333;
}

/* Canvas Container */
.canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #fafafa;
}

#workflowCanvas {
  display: block;
  cursor: crosshair;
  background:
    linear-gradient(45deg, #f0f0f0 25%, transparent 25%),
    linear-gradient(-45deg, #f0f0f0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #f0f0f0 75%),
    linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
  background-size: 20px 20px;
  background-position:
    0 0,
    0 10px,
    10px -10px,
    -10px 0px;
}

.canvas-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 10;
}

.execution-status {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.95);
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  font-size: 14px;
  font-weight: 500;
  display: none;
}

.execution-status.active {
  display: block;
}

.execution-status.executing {
  color: #ff9800;
  border-left: 4px solid #ff9800;
}

.execution-status.completed {
  color: #4caf50;
  border-left: 4px solid #4caf50;
}

.execution-status.error {
  color: #f44336;
  border-left: 4px solid #f44336;
}

/* Properties Panel */
.properties-panel {
  width: 300px;
  background: #ffffff;
  border-left: 1px solid #e0e0e0;
  display: flex;
  flex-direction: column;
  box-shadow: -2px 0 4px rgba(0, 0, 0, 0.1);
}

.panel-header {
  padding: 16px;
  border-bottom: 1px solid #e0e0e0;
  background: #f8f9fa;
}

.panel-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: #333;
}

.panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.no-selection {
  text-align: center;
  color: #666;
  padding: 32px 16px;
}

.no-selection p {
  margin: 0;
  font-style: italic;
}

/* Properties Form */
.properties-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.properties-form h4 {
  margin: 0 0 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: #333;
  padding-bottom: 8px;
  border-bottom: 2px solid #e0e0e0;
}

.property-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.property-field label {
  font-size: 13px;
  font-weight: 500;
  color: #555;
  text-transform: capitalize;
}

.property-field input,
.property-field select,
.property-field textarea {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  transition: border-color 0.2s ease;
}

.property-field input:focus,
.property-field select:focus,
.property-field textarea:focus {
  outline: none;
  border-color: #2196f3;
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

.property-field textarea {
  resize: vertical;
  min-height: 60px;
  font-family: 'Courier New', monospace;
}

.property-field input[type='checkbox'] {
  width: auto;
  margin-right: 8px;
}

/* Bottom Panel */
.bottom-panel {
  height: 300px;
  background: #ffffff;
  border-top: 1px solid #e0e0e0;
  display: flex;
  flex-direction: column;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

.panel-tabs {
  display: flex;
  background: #f8f9fa;
  border-bottom: 1px solid #e0e0e0;
}

.tab-button {
  padding: 12px 20px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: #666;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.tab-button:hover {
  color: #2196f3;
  background: #f0f0f0;
}

.tab-button.active {
  color: #2196f3;
  border-bottom-color: #2196f3;
  background: #ffffff;
}

.bottom-panel .panel-content {
  flex: 1;
  overflow-y: auto;
}

.tab-content {
  display: none;
  height: 100%;
  padding: 16px;
}

.tab-content.active {
  display: block;
}

/* Template Gallery */
.template-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  padding: 8px;
}

.template-card {
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 16px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.template-card:hover {
  border-color: #2196f3;
  box-shadow: 0 4px 12px rgba(33, 150, 243, 0.15);
  transform: translateY(-2px);
}

.template-card h4 {
  margin: 0 0 8px 0;
  font-size: 16px;
  font-weight: 600;
  color: #333;
}

.template-card p {
  margin: 0 0 12px 0;
  color: #666;
  font-size: 14px;
  line-height: 1.4;
}

.template-card .load-template {
  font-size: 12px;
  padding: 6px 12px;
}

/* Execution Log */
.execution-log {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.4;
  max-height: 100%;
  overflow-y: auto;
  background: #f8f9fa;
  padding: 8px;
  border-radius: 4px;
}

.log-entry {
  padding: 6px 12px;
  margin-bottom: 2px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.log-entry.info {
  background: #e3f2fd;
  border-left: 4px solid #2196f3;
}

.log-entry.success {
  background: #e8f5e8;
  border-left: 4px solid #4caf50;
}

.log-entry.warning {
  background: #fff3e0;
  border-left: 4px solid #ff9800;
}

.log-entry.error {
  background: #ffebee;
  border-left: 4px solid #f44336;
}

.log-entry .timestamp {
  font-weight: 600;
  color: #666;
  min-width: 80px;
}

.log-entry .message {
  flex: 1;
}

/* Validation Results */
.validation-results {
  font-size: 14px;
}

.validation-section {
  margin-bottom: 20px;
}

.validation-section h4 {
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.validation-section.errors h4 {
  color: #f44336;
}

.validation-section.warnings h4 {
  color: #ff9800;
}

.validation-section.info h4 {
  color: #2196f3;
}

.validation-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.validation-section li {
  padding: 8px 12px;
  margin-bottom: 4px;
  border-radius: 4px;
  border-left: 4px solid;
}

.validation-section li.error {
  background: #ffebee;
  border-left-color: #f44336;
}

.validation-section li.warning {
  background: #fff3e0;
  border-left-color: #ff9800;
}

.validation-section li.info {
  background: #e3f2fd;
  border-left-color: #2196f3;
}

.validation-success {
  text-align: center;
  padding: 32px;
  color: #4caf50;
  font-size: 16px;
  font-weight: 500;
}

.validation-success i {
  font-size: 24px;
  margin-bottom: 8px;
  display: block;
}

/* Context Menu */
.context-menu {
  position: fixed;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  min-width: 150px;
  overflow: hidden;
}

.context-menu-item {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  transition: background-color 0.2s ease;
}

.context-menu-item:hover {
  background: #f8f9fa;
}

.context-menu-item i {
  width: 16px;
  color: #666;
}

/* Node Styles (for canvas rendering reference) */
.node {
  fill: #ffffff;
  stroke: #cccccc;
  stroke-width: 1;
  rx: 4;
  ry: 4;
}

.node.selected {
  fill: #e3f2fd;
  stroke: #2196f3;
  stroke-width: 2;
}

.node.executing {
  fill: #fff3e0;
  stroke: #ff9800;
  stroke-width: 2;
}

.node.error {
  fill: #ffebee;
  stroke: #f44336;
  stroke-width: 2;
}

.node.completed {
  fill: #e8f5e8;
  stroke: #4caf50;
  stroke-width: 2;
}

/* Connection Styles */
.connection {
  fill: none;
  stroke: #666666;
  stroke-width: 2;
  marker-end: url(#arrowhead);
}

.connection.active {
  stroke: #2196f3;
  stroke-width: 3;
}

.connection.temp {
  stroke: #2196f3;
  stroke-width: 2;
  stroke-dasharray: 5, 5;
}

/* Input/Output Points */
.input-point {
  fill: #4caf50;
  stroke: #ffffff;
  stroke-width: 2;
  r: 4;
}

.output-point {
  fill: #2196f3;
  stroke: #ffffff;
  stroke-width: 2;
  r: 4;
}

/* Animations */
@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

.executing .node {
  animation: pulse 1s infinite;
}

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

.log-entry {
  animation: slideIn 0.3s ease-out;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .node-palette {
    width: 250px;
  }

  .properties-panel {
    width: 250px;
  }
}

@media (max-width: 768px) {
  .workflow-designer {
    height: 100vh;
  }

  .toolbar {
    flex-wrap: wrap;
    gap: 8px;
  }

  .toolbar-section {
    border: none;
    padding: 0;
  }

  .designer-body {
    flex-direction: column;
  }

  .node-palette {
    width: 100%;
    height: 200px;
    order: 2;
  }

  .properties-panel {
    width: 100%;
    height: 200px;
    order: 3;
  }

  .canvas-container {
    height: 400px;
    order: 1;
  }

  .bottom-panel {
    height: 200px;
    order: 4;
  }
}

/* Accessibility */
.btn:focus {
  outline: 2px solid #2196f3;
  outline-offset: 2px;
}

.palette-item:focus {
  outline: 2px solid #2196f3;
  outline-offset: 2px;
}

.tab-button:focus {
  outline: 2px solid #2196f3;
  outline-offset: 2px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .workflow-designer {
    background: #1a1a1a;
    color: #ffffff;
  }

  .toolbar,
  .node-palette,
  .properties-panel,
  .bottom-panel {
    background: #2d2d2d;
    border-color: #444444;
  }

  .palette-header,
  .panel-header {
    background: #333333;
  }

  .canvas-container {
    background: #1a1a1a;
  }

  #workflowCanvas {
    background: #1a1a1a;
  }

  .palette-item {
    background: #2d2d2d;
    border-color: #444444;
    color: #ffffff;
  }

  .palette-item:hover {
    background: #333333;
    border-color: #2196f3;
  }

  .template-card {
    background: #2d2d2d;
    border-color: #444444;
    color: #ffffff;
  }

  .execution-log {
    background: #1a1a1a;
    color: #ffffff;
  }

  .context-menu {
    background: #2d2d2d;
    border-color: #444444;
    color: #ffffff;
  }
}

/* Print Styles */
@media print {
  .workflow-designer {
    height: auto;
  }

  .toolbar,
  .node-palette,
  .properties-panel,
  .bottom-panel {
    display: none;
  }

  .canvas-container {
    width: 100%;
    height: auto;
  }

  #workflowCanvas {
    max-width: 100%;
    height: auto;
  }
}

/* High DPI Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .palette-item i {
    font-size: 18px;
  }

  .btn i {
    font-size: 16px;
  }
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

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

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #2196f3;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Drag and Drop States */
.drag-over {
  background: #e3f2fd;
  border: 2px dashed #2196f3;
}

.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

/* Tooltips */
.tooltip {
  position: absolute;
  background: #333333;
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 10001;
  pointer-events: none;
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #333333 transparent transparent transparent;
}

/* Error States */
.error-state {
  border-color: #f44336 !important;
  background: #ffebee !important;
}

.error-message {
  color: #f44336;
  font-size: 12px;
  margin-top: 4px;
}

/* Success States */
.success-state {
  border-color: #4caf50 !important;
  background: #e8f5e8 !important;
}

.success-message {
  color: #4caf50;
  font-size: 12px;
  margin-top: 4px;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-1 {
  margin-top: 8px;
}
.mt-2 {
  margin-top: 16px;
}
.mt-3 {
  margin-top: 24px;
}

.mb-1 {
  margin-bottom: 8px;
}
.mb-2 {
  margin-bottom: 16px;
}
.mb-3 {
  margin-bottom: 24px;
}

.p-1 {
  padding: 8px;
}
.p-2 {
  padding: 16px;
}
.p-3 {
  padding: 24px;
}

.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.flex-center {
  justify-content: center;
  align-items: center;
}

.flex-1 {
  flex: 1;
}

.gap-1 {
  gap: 8px;
}
.gap-2 {
  gap: 16px;
}
.gap-3 {
  gap: 24px;
}