/* Panel Headers — scoped toolbar for each panel */
.panel-header {
  display: flex;
  align-items: center;
  padding: 0 16px;
  height: 52px;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  gap: 8px;
  flex-shrink: 0;
  white-space: nowrap;
}

.panel-header button {
  -webkit-app-region: no-drag;
  flex-shrink: 0;
}

.header-spacer {
  flex: 1;
}

/* Content panel header gets the drag region + traffic light offset */
#content-header {
  -webkit-app-region: drag;
}

/* Fixed spacer that reserves room for macOS traffic lights — prevents any
   content from ever being positioned behind the close/minimize/zoom buttons.
   Only applies in macOS Electron; collapses to zero in web and other platforms. */
.traffic-light-spacer {
  width: 0;
  flex-shrink: 0;
}
.platform-electron-mac .traffic-light-spacer {
  width: 58px;
}

/* Chat panel header is also draggable */
#chat-header {
  -webkit-app-region: drag;
}

/* When chat is full-width, its header needs traffic light offset (macOS only) */
.platform-electron-mac .panel-header.traffic-offset {
  padding-left: 74px;
}

/* Header Breadcrumb */
.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  -webkit-app-region: no-drag;
}

.breadcrumb-parent {
  color: #A1A1AA;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
}

.breadcrumb-parent:hover {
  color: #FFFFFF;
}

.breadcrumb-separator {
  color: #52525B;
  font-size: 14px;
  user-select: none;
}

.breadcrumb-current {
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 500;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Hide separator and current title when on workflows list */
.header-breadcrumb.at-root .breadcrumb-separator,
.header-breadcrumb.at-root .breadcrumb-current {
  display: none;
}

/* On workflows list, parent becomes current (white, not clickable) */
.header-breadcrumb.at-root .breadcrumb-parent {
  color: #FFFFFF;
  font-weight: 500;
  cursor: default;
  pointer-events: none;
}

/* Session credits display (visible in debug mode via .debug-only) */
.session-credits {
  font-size: 12px;
  color: var(--text-muted);
  -webkit-app-region: no-drag;
}

/* Header buttons — primary (New Chat) */
#new-chat-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

#new-chat-btn:hover {
  background: var(--border);
  color: var(--text);
}

/* Header buttons — ghost icon buttons */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
}

.icon-btn:hover {
  background: var(--bg-lighter);
  color: var(--text);
}

/* Workflows panel header buttons keep bordered style */
#open-workflows-folder-btn,
#refresh-workflows-btn {
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}

#open-workflows-folder-btn:hover,
#refresh-workflows-btn:hover {
  background: var(--border);
  color: var(--text);
}

/* Debug-only buttons — hidden unless body has debug-mode class */
.debug-only {
  display: none !important;
}

body.debug-mode .debug-only {
  display: flex !important;
}

/* Debug toggle active state — highlight when debug mode is on */
#debug-toggle-btn.active {
  color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent);
}

#reload-app-btn.reloading {
  animation: spin 1s linear infinite;
  pointer-events: none;
  opacity: 0.5;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Update pill — toolbar button for auto-update states */
.update-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  -webkit-app-region: no-drag;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: white;
}

.update-pill:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.update-pill:disabled {
  cursor: default;
  opacity: 0.85;
}

.update-pill.downloading {
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: default;
}

.update-pill.downloading:hover {
  background: var(--bg-lighter);
  border-color: var(--border);
}

.update-pill.error {
  background: transparent;
  border: 1px solid var(--error);
  color: var(--error);
  cursor: default;
}

.update-pill.error:hover {
  background: transparent;
  border-color: var(--error);
}

.update-pill-icon {
  flex-shrink: 0;
}

.update-pill-progress-wrap {
  display: flex;
  align-items: center;
}

.update-pill-progress-track {
  display: inline-block;
  width: 80px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.update-pill-progress-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s;
  width: 0%;
}