/* ===== TITLEBAR ===== */
#titlebar {
  height: var(--titlebar-height);
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 0 16px;
  position: relative;
  z-index: 1000;
  flex-shrink: 0;
}

.titlebar-drag-region {
  position: absolute;
  top: 0;
  left: 0;
  right: 120px;
  bottom: 0;
  -webkit-app-region: drag;
}

.titlebar-left, .titlebar-center, .titlebar-right {
  display: flex;
  align-items: center;
  -webkit-app-region: no-drag;
  position: relative;
  z-index: 2;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  cursor: pointer;
}

@keyframes radar-pulse {
  0% { filter: drop-shadow(0 0 2px var(--primary-coral)); transform: scale(1) rotate(0deg); }
  50% { filter: drop-shadow(0 0 12px var(--primary-coral)); transform: scale(1.1) rotate(90deg); color: #fff; }
  100% { filter: drop-shadow(0 0 2px var(--primary-coral)); transform: scale(1) rotate(180deg); }
}

.anthropic-mark {
  width: 20px;
  height: 20px;
  color: var(--primary-coral);
  display: flex;
  align-items: center;
  justify-content: center;
}

.anthropic-mark svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  animation: radar-pulse 4s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

.brand-badge {
  font-size: 10px;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: var(--primary-coral-subtle);
  color: var(--primary-coral);
  border: 1px solid var(--primary-coral-border);
}

.titlebar-author-pill {
  margin-left: 12px;
  display: flex;
  align-items: center;
}

.author-titlebar-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--surface-soft);
  border: 1px solid var(--hairline-medium);
  font-size: 10.5px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.author-titlebar-link:hover {
  border-color: var(--primary-coral-border);
  color: var(--primary-coral);
  background: var(--primary-coral-subtle);
}

.author-avatar-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary-coral);
}

.active-tab-title-indicator {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-weight: 500;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.titlebar-btn {
  width: 34px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
}

.titlebar-btn:hover {
  background: rgba(230, 223, 216, 0.08);
  color: var(--text-primary);
}

.titlebar-btn.btn-close:hover {
  background: var(--accent-red);
  color: #fff;
}

/* ===== TOOLBAR ===== */
#toolbar {
  height: var(--toolbar-height);
  background: var(--surface-soft);
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  gap: 10px;
  flex-shrink: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

#toolbar::-webkit-scrollbar {
  display: none;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.toolbar-nav-group {
  flex-shrink: 1;
  overflow-x: auto;
  scrollbar-width: none;
}

.toolbar-nav-group::-webkit-scrollbar {
  display: none;
}

.toolbar-btn {
  height: 30px;
  padding: 0 9px;
  min-width: 30px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.toolbar-btn:hover {
  background: var(--surface-card);
  color: var(--text-primary);
  border-color: var(--hairline-medium);
  transform: translateY(-1px);
}

.toolbar-btn.active {
  background: var(--surface-card);
  color: var(--primary-coral);
  border-color: var(--primary-coral-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.toolbar-btn .material-icons-round {
  font-size: 16px;
}

.toolbar-divider {
  width: 1px;
  height: 18px;
  background: var(--hairline);
  margin: 0 3px;
}

/* Search Box */
.toolbar-search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-card);
  border: 1px solid var(--hairline-medium);
  border-radius: var(--radius-md);
  padding: 0 12px;
  height: 32px;
  width: 360px;
  max-width: 100%;
  transition: var(--transition-fast);
}

.toolbar-search-box:focus-within {
  border-color: var(--primary-coral);
  box-shadow: 0 0 0 3px rgba(204, 120, 92, 0.15);
}

.toolbar-search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 12px;
  outline: none;
}

.toolbar-search-box input::placeholder {
  color: var(--text-dim);
}

.search-shortcut-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--surface-soft);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--hairline);
}

/* ===== MAIN WORKSPACE ===== */
#mainContent {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* ===== SIDEBAR (Removed for full width Dashboard Workspace) ===== */
#sidebar {
  display: none !important;
}

.sidebar-tab-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 6px;
  flex: 1;
}

/* Standard Tab Button */
.hub-tab-btn {
  width: 42px;
  height: 42px;
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 0;
  flex-shrink: 0;
}

.hub-tab-btn:hover {
  background: var(--surface-card);
  color: var(--text-primary);
  border-color: var(--hairline-medium);
}

.hub-tab-btn.active {
  background: var(--surface-card);
  color: var(--primary-coral);
  border-color: var(--primary-coral-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hub-tab-btn.active::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 9px;
  bottom: 9px;
  width: 3px;
  background: var(--primary-coral);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

/* Uniform 1:1 Icon Container */
.tab-icon-wrapper {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.tab-favicon-img {
  width: 22px;
  height: 22px;
  max-width: 22px;
  max-height: 22px;
  border-radius: 4px;
  object-fit: contain;
  aspect-ratio: 1 / 1;
  display: block;
}

.tab-icon-font {
  font-size: 22px;
  width: 22px;
  height: 22px;
  line-height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.tab-pin-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 6px;
  height: 6px;
  background: var(--primary-coral);
  border-radius: var(--radius-pill);
  border: 1px solid var(--surface-soft);
}

/* Dragging State */
.hub-tab-btn.dragging {
  opacity: 0.35;
  transform: scale(0.92);
}

.hub-tab-btn.drag-over-above {
  border-top: 2px solid var(--primary-coral);
}

.hub-tab-btn.drag-over-below {
  border-bottom: 2px solid var(--primary-coral);
}

/* ===== VIEWPORT CONTAINER ===== */
#viewportContainer {
  flex: 1;
  position: relative;
  background: var(--canvas);
  overflow: hidden;
}

/* ===== KEEP-ALIVE MULTI-FRAME CONTAINER ===== */
#frameHost {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  background: var(--canvas);
}

#frameHost.hidden {
  display: none !important;
}

.tab-frame-container {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  z-index: 5;
  overflow: hidden;
}

.tab-frame-container.hidden {
  display: none !important;
}

/* Floating Helper Quick Bar */
.frame-quick-bar {
  height: 38px;
  background: var(--surface-card);
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 12px;
  z-index: 10;
  flex-shrink: 0;
}

.quick-bar-left,
.quick-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.quick-bar-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--radius-xs);
  background: var(--surface-soft);
  border: 1px solid var(--hairline-medium);
  color: var(--text-secondary);
  font-size: 11.5px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.quick-bar-btn:hover {
  border-color: var(--primary-coral);
  color: var(--text-primary);
}

.quick-bar-divider {
  width: 1px;
  height: 14px;
  background: var(--hairline);
}

.quick-bar-title {
  font-weight: 500;
  color: var(--text-primary);
}

.quick-bar-domain {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.quick-bar-tip {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.quick-bar-popup-btn {
  height: 26px;
  padding: 0 10px;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--primary-coral);
  color: #fff;
  border: none;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition-fast);
}

.quick-bar-popup-btn:hover {
  background: var(--primary-coral-hover);
}

.quick-bar-proxy-btn {
  height: 26px;
  padding: 0 9px;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--surface-soft);
  color: var(--text-secondary);
  border: 1px solid var(--hairline-medium);
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition-fast);
}

.quick-bar-proxy-btn.active {
  background: var(--primary-coral-subtle);
  color: var(--primary-coral);
  border-color: var(--primary-coral-border);
}

.quick-bar-proxy-btn:hover {
  border-color: var(--primary-coral);
  color: var(--text-primary);
}

.quick-bar-icon-btn {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  background: var(--surface-soft);
  border: 1px solid var(--hairline);
  color: var(--text-muted);
  cursor: pointer;
}

.quick-bar-icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--hairline-medium);
}

.frame-content-viewport {
  flex: 1;
  width: 100%;
  height: calc(100% - 38px);
  position: relative;
  overflow: hidden;
  background: #ffffff;
}

.active-frame-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  background: #ffffff;
  display: block;
}

/* ===== STATUS BAR ===== */
#statusbar {
  height: var(--statusbar-height);
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.status-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--accent-green);
}

.status-dot.loading {
  background: var(--accent-amber);
}

.status-dot.error {
  background: var(--accent-red);
}

.status-author-credit {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

.status-author-credit:hover {
  color: var(--primary-coral);
  background: var(--surface-soft);
}

.status-divider {
  width: 1px;
  height: 12px;
  background: var(--hairline-medium);
}

/* ===== FLOATING ACTION DOCK ===== */
.floating-consultation-dock {
  position: fixed;
  bottom: 42px; /* Above statusbar */
  right: 24px;
  z-index: 9999;
  animation: popUp 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-consultation-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  background: var(--surface-card);
  border: 1px solid var(--primary-coral-border);
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 16px rgba(204, 120, 92, 0.2);
  cursor: pointer;
  max-width: 50px;
  overflow: hidden;
  white-space: nowrap;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-consultation-btn:hover {
  max-width: 350px;
  padding: 8px 20px 8px 8px;
  background: var(--surface-card-hover);
  border-color: var(--primary-coral);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6), 0 0 20px rgba(204, 120, 92, 0.3);
}

.floating-avatar-box {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-coral-subtle);
  border: 1px solid var(--primary-coral-border);
  color: var(--primary-coral);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}

.status-live-dot {
  position: absolute;
  top: 0;
  right: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  border: 1.5px solid var(--surface-card);
  animation: pulse 1.5s infinite;
}

.floating-text-box {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  opacity: 0;
  transform: translateX(10px);
  transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.floating-consultation-btn:hover .floating-text-box {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.05s;
}

.floating-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.floating-action {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}