body {
  padding: 0;
  margin: 0;
  font-family: var(--vscode-font-family);
  color: var(--vscode-foreground);
}

.container {
  display: flex;
  height: 100vh;
  gap: 0;
  background: var(--vscode-panel-border);
  position: relative;
}

/* Left panel - Pattern list */
.pattern-list-panel {
  flex: 0 0 300px;
  min-width: 200px;
  max-width: 600px;
  background: var(--vscode-sideBar-background);
  display: flex;
  flex-direction: column;
}

/* Resize Handle */
.resize-handle {
  flex: 0 0 4px;
  background: var(--vscode-panel-border);
  cursor: ew-resize;
  position: relative;
  user-select: none;
}

.resize-handle:hover {
  background: var(--vscode-focusBorder);
}

.resize-handle.resizing {
  background: var(--vscode-focusBorder);
}

.search-box {
  padding: 8px;
  background: var(--vscode-sideBar-background);
  border-bottom: 1px solid var(--vscode-panel-border);
  position: relative;
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 8px;
  pointer-events: none;
  color: var(--vscode-input-placeholderForeground);
  font-size: 14px;
}

.search-input {
  width: 100%;
  padding: 6px 30px 6px 30px;
  background: var(--vscode-input-background);
  color: var(--vscode-input-foreground);
  border: 1px solid var(--vscode-input-border);
  border-radius: 2px;
  font-size: 13px;
  box-sizing: border-box;
}

.search-input:focus {
  outline: none;
  border-color: var(--vscode-focusBorder);
}

.search-clear {
  position: absolute;
  right: 6px;
  padding: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--vscode-input-placeholderForeground);
  border-radius: 3px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  transition: all 0.15s ease;
}

.search-clear:hover {
  background: var(--vscode-toolbar-hoverBackground);
  color: var(--vscode-foreground);
}

.search-clear.visible {
  display: flex;
}

.search-clear .codicon {
  font-size: 12px;
}

.pattern-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px;
}

.section-header {
  padding: 8px 12px;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--vscode-foreground);
  opacity: 0.6;
  letter-spacing: 0.5px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.section-header-left {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  flex: 1;
}

.add-pattern-btn {
  padding: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--vscode-foreground);
  opacity: 0.6;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  transition: all 0.15s ease;
}

.add-pattern-btn:hover {
  background: var(--vscode-toolbar-hoverBackground);
  opacity: 1;
}

.add-pattern-btn .codicon {
  font-size: 14px;
}

.section-header:hover {
  opacity: 0.8;
}

.section-header:first-child {
  margin-top: 0;
}

.section-header .codicon {
  font-size: 14px;
  transition: transform 0.1s ease;
}

.section-header.collapsed .codicon {
  transform: rotate(-90deg);
}

.section-content {
  max-height: 10000px;
  overflow: hidden;
  transition: max-height 0.15s ease;
}

.section-content.collapsed {
  max-height: 0;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  color: var(--vscode-descriptionForeground);
  text-align: center;
  font-size: 14px;
}

.empty-state-section {
  padding: 16px;
  text-align: center;
  color: var(--vscode-descriptionForeground);
  font-size: 13px;
  opacity: 0.8;
}

.pattern-item {
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 3px;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.pattern-item:hover {
  background: var(--vscode-list-hoverBackground);
}

.pattern-item:hover .pattern-actions {
  opacity: 1;
}

.pattern-item.selected {
  background: var(--vscode-list-activeSelectionBackground);
  color: var(--vscode-list-activeSelectionForeground);
}

.pattern-info {
  flex: 1;
  min-width: 0;
}

.pattern-name {
  font-weight: 500;
  margin-bottom: 2px;
}

.pattern-preview {
  font-size: 12px;
  opacity: 0.8;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pattern-item-invalid {
  border-left: 2px solid var(--vscode-errorForeground);
  opacity: 0.8;
}

.pattern-item-invalid .pattern-name .codicon-warning {
  color: var(--vscode-errorForeground);
  margin-left: 4px;
  font-size: 13px;
  vertical-align: middle;
}

.pattern-item-invalid .pattern-preview {
  color: var(--vscode-errorForeground);
}

.pattern-item-invalid .pattern-preview em {
  font-style: italic;
  opacity: 0.7;
}

/* Action buttons */
.pattern-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.action-btn {
  padding: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--vscode-foreground);
  opacity: 0.7;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.action-btn:hover {
  background: var(--vscode-toolbar-hoverBackground);
  opacity: 1;
}

.action-btn .codicon {
  font-size: 16px;
}

.action-btn.delete:hover {
  color: var(--vscode-errorForeground);
}

.action-btn.load:hover {
  color: var(--vscode-textLink-foreground);
}

/* Right panel - Edit form */
.edit-panel {
  flex: 1;
  background: var(--vscode-editor-background);
  overflow-y: auto;
  padding: 16px;
}

.edit-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  opacity: 0.5;
  text-align: center;
  padding: 40px 20px;
}

.edit-empty-state .codicon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.edit-empty-state p {
  margin: 4px 0;
  font-size: 14px;
}

.edit-empty-state .hint {
  font-size: 12px;
  opacity: 0.7;
}

.edit-form {
  display: none;
}

.edit-form.active {
  display: block;
}

.edit-form-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.edit-form h2 {
  font-size: 13px;
  font-weight: 600;
  margin: 0;
  text-transform: uppercase;
  opacity: 0.8;
  white-space: nowrap;
}

.form-input-inline {
  flex: 1;
  padding: 4px 6px;
  background: var(--vscode-input-background);
  color: var(--vscode-input-foreground);
  border: 1px solid var(--vscode-input-border);
  border-radius: 2px;
  font-size: 13px;
  font-family: var(--vscode-editor-font-family);
  box-sizing: border-box;
}

.form-input-inline:focus {
  outline: none;
  border-color: var(--vscode-focusBorder);
}

.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  margin-bottom: 3px;
  font-weight: 500;
  font-size: 11px;
  opacity: 0.8;
  text-transform: uppercase;
}

.form-label-with-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3px;
}

.form-label-with-options .form-label {
  margin-bottom: 0;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 4px 6px;
  background: var(--vscode-input-background);
  color: var(--vscode-input-foreground);
  border: 1px solid var(--vscode-input-border);
  border-radius: 2px;
  font-size: 13px;
  font-family: var(--vscode-editor-font-family);
  box-sizing: border-box;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--vscode-focusBorder);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--vscode-errorForeground);
}

.form-input.dirty,
.form-input-inline.dirty,
.form-textarea.dirty {
  box-shadow: 0 0 0 1px rgba(106, 153, 85, 0.6);
}

.form-textarea {
  min-height: 60px;
  resize: vertical;
  font-family: var(--vscode-editor-font-family);
}

.validation-error {
  display: none;
  color: var(--vscode-errorForeground);
  font-size: 11px;
  margin-top: 3px;
}

.validation-error.visible {
  display: block;
}

.checkbox-group-icons {
  display: flex;
  gap: 4px;
}

.toggle-btn {
  padding: 4px 8px;
  background: var(--vscode-button-secondaryBackground);
  color: var(--vscode-button-secondaryForeground);
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  min-width: 28px;
  height: 24px;
}

.toggle-btn:hover {
  background: var(--vscode-button-secondaryHoverBackground);
}

.toggle-btn.active {
  background: var(--vscode-button-background);
  color: var(--vscode-button-foreground);
  border-color: var(--vscode-focusBorder);
}

.toggle-btn.dirty {
  border-color: #6a9955;
}

.toggle-btn.active.dirty {
  background: var(--vscode-button-background);
  color: var(--vscode-button-foreground);
  border-color: #6a9955;
}

.toggle-btn .codicon {
  font-size: 14px;
}

.button-group {
  display: flex;
  gap: 6px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--vscode-panel-border);
}

button {
  padding: 5px 12px;
  background: var(--vscode-button-background);
  color: var(--vscode-button-foreground);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  font-size: 12px;
}

button:hover {
  background: var(--vscode-button-hoverBackground);
}

button.secondary {
  background: var(--vscode-button-secondaryBackground);
  color: var(--vscode-button-secondaryForeground);
}

button.secondary:hover {
  background: var(--vscode-button-secondaryHoverBackground);
}

.dirty-indicator {
  margin-left: 6px;
  color: var(--vscode-editorWarning-foreground);
  font-size: 8px;
  animation: pulse 2s ease-in-out infinite;
  width: 8px;
  display: inline-block;
  visibility: hidden;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes pulseBorder {
  0%, 100% {
    border-color: #4ec9b0;
  }
  50% {
    border-color: #dcdcaa;
  }
}