dataflow-rs 2.1.5

/* ============================================
   VSCode-Inspired Color Scheme
   ============================================ */

/* Light Theme (VSCode Light+) */
:root {
  --app-bg: #f3f3f3;
  --app-header-bg: #3c3c3c;
  --app-header-text: #ffffff;
  --app-panel-bg: #ffffff;
  --app-editor-bg: #ffffff;
  --app-border: #e5e5e5;
  --app-border-subtle: #f0f0f0;
  --app-text: #333333;
  --app-text-secondary: #6e6e6e;
  --app-text-muted: #999999;
  --app-accent: #0078d4;
  --app-accent-hover: #006cbd;
  --app-accent-subtle: rgba(0, 120, 212, 0.1);
  --app-error: #f14c4c;
  --app-error-bg: rgba(241, 76, 76, 0.1);
  --app-success: #388a34;
  --app-success-bg: rgba(56, 138, 52, 0.1);
  --app-warning: #cca700;
  --app-warning-bg: rgba(204, 167, 0, 0.1);
  --app-statusbar-bg: #007acc;
  --app-statusbar-text: #ffffff;
  --app-statusbar-item-hover: rgba(255, 255, 255, 0.12);
  --app-scrollbar-bg: #e4e4e4;
  --app-scrollbar-thumb: #c1c1c1;
  --app-scrollbar-thumb-hover: #a8a8a8;
}

/* Dark Theme (VSCode Dark+) */
[data-theme="dark"] {
  --app-bg: #1e1e1e;
  --app-header-bg: #323233;
  --app-header-text: #cccccc;
  --app-panel-bg: #252526;
  --app-editor-bg: #1e1e1e;
  --app-border: #3c3c3c;
  --app-border-subtle: #2d2d2d;
  --app-text: #cccccc;
  --app-text-secondary: #9d9d9d;
  --app-text-muted: #6e6e6e;
  --app-accent: #0078d4;
  --app-accent-hover: #1c97ea;
  --app-accent-subtle: rgba(0, 120, 212, 0.2);
  --app-error: #f14c4c;
  --app-error-bg: rgba(241, 76, 76, 0.15);
  --app-success: #4ec9b0;
  --app-success-bg: rgba(78, 201, 176, 0.15);
  --app-warning: #dcdcaa;
  --app-warning-bg: rgba(220, 220, 170, 0.15);
  --app-statusbar-bg: #007acc;
  --app-statusbar-text: #ffffff;
  --app-statusbar-item-hover: rgba(255, 255, 255, 0.12);
  --app-scrollbar-bg: #1e1e1e;
  --app-scrollbar-thumb: #424242;
  --app-scrollbar-thumb-hover: #525252;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--app-bg);
  color: var(--app-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--app-scrollbar-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--app-scrollbar-thumb);
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--app-scrollbar-thumb-hover);
}

::-webkit-scrollbar-corner {
  background: var(--app-scrollbar-bg);
}

/* ============================================
   App Layout
   ============================================ */

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ============================================
   Header
   ============================================ */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 48px;
  background: var(--app-header-bg);
  color: var(--app-header-text);
  flex-shrink: 0;
  border-bottom: 1px solid var(--app-border);
}

.header-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-title h1 {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.header-subtitle {
  font-size: 12px;
  color: var(--app-text-muted);
  opacity: 0.8;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--app-header-text);
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.1s;
}

.header-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

.header-divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 8px;
}

/* Action buttons (Format, etc.) */
.header-action {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--app-header-text);
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.1s;
}

.header-action:hover {
  background: rgba(255, 255, 255, 0.1);
}

.header-action:active {
  background: rgba(255, 255, 255, 0.15);
}

/* ============================================
   Examples Dropdown
   ============================================ */

.examples-dropdown {
  position: relative;
}

.examples-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--app-header-text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.1s;
}

.examples-dropdown-trigger:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.15);
}

.examples-dropdown-label {
  color: var(--app-text-muted);
}

.examples-dropdown-value {
  font-weight: 500;
  max-width: 180px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dropdown-icon {
  transition: transform 0.15s;
  opacity: 0.7;
}

.dropdown-icon.open {
  transform: rotate(180deg);
}

.examples-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 220px;
  background: var(--app-panel-bg);
  border: 1px solid var(--app-border);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.16);
  z-index: 1000;
  overflow: hidden;
}

.examples-dropdown-item {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: 13px;
  text-align: left;
  color: var(--app-text);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background 0.1s;
}

.examples-dropdown-item:hover {
  background: var(--app-bg);
}

.examples-dropdown-item.selected {
  background: var(--app-accent);
  color: white;
}

/* ============================================
   Theme Toggle
   ============================================ */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--app-header-text);
  cursor: pointer;
  transition: background 0.1s;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ============================================
   Main Content
   ============================================ */

.app-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ============================================
   Panels
   ============================================ */

.panel {
  display: flex;
  flex-direction: column;
  background: var(--app-panel-bg);
  overflow: hidden;
}

.editor-panel {
  flex-shrink: 0;
  border-right: 1px solid var(--app-border);
}

.editor-panel.collapsed {
  width: 0 !important;
  border-right: none;
}

.visual-panel {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ============================================
   Editor Sections
   ============================================ */

.editor-section {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  border-bottom: 1px solid var(--app-border);
}

.editor-section:last-child {
  border-bottom: none;
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--app-bg);
  border-bottom: 1px solid var(--app-border);
}

.editor-header h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--app-text-secondary);
}

.editor-error {
  font-size: 11px;
  color: var(--app-error);
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.editor-content {
  flex: 1;
  overflow: hidden;
  background: var(--app-editor-bg);
}

/* Monaco Editor Wrapper */
.df-monaco-editor-wrapper {
  height: 100%;
  min-height: 100%;
}

/* ============================================
   Divider
   ============================================ */

.divider {
  width: 1px;
  background: var(--app-border);
  cursor: col-resize;
  transition: all 0.15s;
  flex-shrink: 0;
  position: relative;
}

.divider::after {
  content: '';
  position: absolute;
  top: 0;
  left: -2px;
  right: -2px;
  bottom: 0;
  background: transparent;
}

.divider:hover,
.divider.dragging {
  background: var(--app-accent);
  width: 2px;
}

/* ============================================
   Visual Panel Header
   ============================================ */

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--app-bg);
  border-bottom: 1px solid var(--app-border);
}

.panel-header h2 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--app-text-secondary);
}

.panel-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* ============================================
   Status Bar
   ============================================ */

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 24px;
  padding: 0 10px;
  background: var(--app-statusbar-bg);
  color: var(--app-statusbar-text);
  font-size: 12px;
  flex-shrink: 0;
}

.status-bar-left,
.status-bar-right {
  display: flex;
  align-items: center;
  gap: 2px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 8px;
  height: 24px;
  cursor: default;
  transition: background 0.1s;
}

.status-item:hover {
  background: var(--app-statusbar-item-hover);
}

.status-item svg {
  opacity: 0.9;
}

.status-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.3);
  margin: 0 4px;
}

.status-error {
  background: rgba(241, 76, 76, 0.3);
}

.status-error:hover {
  background: rgba(241, 76, 76, 0.4);
}

.status-success {
  opacity: 0.9;
}

/* ============================================
   Selected Task Info
   ============================================ */

.selected-task-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--app-text-secondary);
}

.selected-task-info button {
  padding: 4px 8px;
  font-size: 12px;
  color: var(--app-text-secondary);
  background: transparent;
  border: 1px solid var(--app-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.selected-task-info button:hover {
  background: var(--app-bg);
  border-color: var(--app-text-muted);
}

/* ============================================
   Keyboard Shortcut Hints
   ============================================ */

.shortcut-hint {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 8px;
  font-size: 10px;
  opacity: 0.6;
}

.shortcut-hint kbd {
  padding: 1px 4px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 2px;
  font-family: inherit;
  font-size: 10px;
}

/* ============================================
   Mode Toggle
   ============================================ */

.mode-toggle {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 2px;
  gap: 2px;
}

.mode-toggle-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--app-text-muted);
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.mode-toggle-btn:hover {
  color: var(--app-header-text);
  background: rgba(255, 255, 255, 0.08);
}

.mode-toggle-btn.active {
  color: var(--app-header-text);
  background: var(--app-accent);
}

.mode-toggle-btn.active:hover {
  background: var(--app-accent-hover);
}

.mode-toggle-btn svg {
  flex-shrink: 0;
}

/* ============================================
   Inline Debug Controls (in panel header)
   ============================================ */

.debug-controls-inline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.execution-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
}

.execution-status.success {
  color: var(--app-success);
}

.execution-status.error {
  color: var(--app-error);
}

.debug-btn-run {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: white;
  background: var(--app-success);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.debug-btn-run:hover:not(:disabled) {
  background: color-mix(in srgb, var(--app-success) 85%, black);
}

.debug-btn-run:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.debug-btn-reset {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--app-text-secondary);
  background: transparent;
  border: 1px solid var(--app-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.debug-btn-reset:hover {
  color: var(--app-text);
  background: var(--app-bg);
  border-color: var(--app-text-muted);
}

/* ============================================
   Step-by-Step Debug Controls
   ============================================ */

.step-counter {
  font-size: 12px;
  font-weight: 500;
  color: var(--app-text-secondary);
  white-space: nowrap;
}

.step-controls {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--app-bg);
  border: 1px solid var(--app-border);
  border-radius: 4px;
  padding: 2px;
}

.step-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: transparent;
  border: none;
  border-radius: 3px;
  color: var(--app-text-secondary);
  cursor: pointer;
  transition: all 0.1s ease;
}

.step-btn:hover:not(:disabled) {
  background: var(--app-accent);
  color: white;
}

.step-btn:active:not(:disabled) {
  background: var(--app-accent);
  color: white;
}

.step-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Result panel changes indicator */
.df-visualizer-result-changes {
  font-size: 10px;
  font-weight: 500;
  color: var(--app-success);
  background: var(--app-success-bg);
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: 8px;
}

/* Monaco editor highlighted lines */
.df-highlighted-line {
  background-color: rgba(78, 201, 176, 0.15) !important;
  border-left: 3px solid #4ec9b0 !important;
}

.df-highlighted-glyph {
  background-color: #4ec9b0;
  width: 4px !important;
  margin-left: 3px;
  border-radius: 2px;
}

/* Light theme adjustments */
:root .df-highlighted-line {
  background-color: rgba(56, 138, 52, 0.12) !important;
  border-left: 3px solid #388a34 !important;
}

:root .df-highlighted-glyph {
  background-color: #388a34;
}