#app-header {
  position: relative;
  display: flex;
  flex-direction: column;
  z-index: 100;
  background: var(--site-surface);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--site-border);
  box-shadow: var(--site-shadow);
  user-select: none;
}

button svg, button span {
  pointer-events: none;
}

#toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 12px;
  height: 46px;
  gap: 8px;
}

.toolbar-left, .toolbar-center, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.toolbar-center {
  flex: 1;
  justify-content: center;
  gap: 8px;
}

/* ── Brand Pill ── */
.tool-brand-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--site-bg-secondary);
  border: 1px solid var(--site-border);
  padding: 3px 8px;
  border-radius: var(--site-radius-full);
  white-space: nowrap;
}

.brand-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 6px #10B981;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--site-text) 0%, var(--site-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tag {
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 2px 5px;
  border-radius: 3px;
  background: var(--site-accent);
  color: #fff;
  -webkit-text-fill-color: #fff;
}

/* ── Edit Menu Group ── */
.edit-menu-group {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--site-bg-secondary);
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius-full);
  padding: 2px 4px;
}

.menu-dropdown {
  position: relative;
}

.menu-btn {
  background: transparent;
  border: none;
  color: var(--site-text-secondary);
  padding: 4px 8px;
  border-radius: var(--site-radius-sm);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--site-font);
  white-space: nowrap;
  transition: all 0.15s ease;
}

.menu-btn:hover {
  background: var(--site-surface);
  color: var(--site-text);
}

.menu-dropdown-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 180px;
  background: var(--site-surface-solid);
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius);
  box-shadow: 0 8px 28px rgba(0,0,0,0.18);
  z-index: 500;
  padding: 4px;
  display: none;
}

.menu-dropdown-panel.open {
  display: block;
  animation: fadeDown 0.15s ease;
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.menu-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  background: transparent;
  border: none;
  color: var(--site-text);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--site-font);
  text-align: left;
  border-radius: var(--site-radius-sm);
  cursor: pointer;
  transition: all 0.12s ease;
  white-space: nowrap;
}

.menu-item:hover {
  background: var(--site-accent);
  color: #fff;
}

.menu-separator {
  height: 1px;
  background: var(--site-border);
  margin: 4px 0;
}

/* ── Action Dock (Undo/Redo/Zoom) ── */
.action-dock {
  display: flex;
  align-items: center;
  background: var(--site-surface-solid);
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius-full);
  padding: 3px 6px;
  box-shadow: var(--site-shadow);
  gap: 2px;
}

.dock-btn {
  background: transparent;
  border: none;
  color: var(--site-text-secondary);
  width: 28px;
  height: 28px;
  border-radius: var(--site-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dock-btn:hover {
  background: var(--site-bg);
  color: var(--site-accent);
}

.zoom-text-btn {
  background: transparent;
  border: none;
  color: var(--site-text);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--site-font-mono);
  padding: 4px 6px;
  border-radius: var(--site-radius-sm);
  cursor: pointer;
  min-width: 40px;
  text-align: center;
}

.zoom-text-btn:hover {
  background: var(--site-bg);
  color: var(--site-accent);
}

.zoom-divider {
  width: 1px;
  height: 14px;
  background: var(--site-border);
  margin: 0 2px;
}

/* ── Sidebar toggle pill buttons ── */
.icon-btn.action-pill-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--site-bg-secondary);
  border: 1px solid var(--site-border);
  color: var(--site-text-secondary);
  padding: 5px 10px;
  border-radius: var(--site-radius-full);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--site-font);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.icon-btn.action-pill-btn:hover {
  background: var(--site-surface);
  color: var(--site-text);
  border-color: var(--site-accent);
}

.btn-label {
  font-size: 11px;
  font-weight: 600;
}

/* ── Mobile Bottom Dock ── */
#mobile-dock {
  display: none;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  #toolbar {
    padding: 4px 8px;
    height: 42px;
    gap: 4px;
  }

  .brand-name, .brand-tag { display: none; }
  .btn-label { display: none; }
  .edit-menu-group { display: none; }

  .action-dock {
    padding: 2px 4px;
    gap: 1px;
  }

  .dock-btn {
    width: 26px;
    height: 26px;
  }

  #mobile-dock {
    position: fixed;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 150;
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--site-surface);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--site-border);
    box-shadow: 0 8px 28px rgba(0,0,0,0.25);
    border-radius: var(--site-radius-full);
    padding: 5px 12px;
    gap: 16px;
    min-width: 200px;
  }

  .mobile-dock-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: transparent;
    border: none;
    color: var(--site-text-secondary);
    padding: 6px 10px;
    border-radius: var(--site-radius-sm);
    cursor: pointer;
    font-size: 10px;
    font-weight: 700;
    font-family: var(--site-font);
    transition: all 0.15s ease;
    white-space: nowrap;
  }

  .mobile-dock-btn:active, .mobile-dock-btn.active {
    color: var(--site-accent);
  }
}

/* ── Auto-Save Indicator ── */
.save-indicator {
  font-size: 11px;
  font-weight: 600;
  color: #10B981;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
  padding: 4px 8px;
  border-radius: var(--site-radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.save-indicator.visible {
  opacity: 1;
}

@media (max-width: 900px) {
  .save-indicator { display: none; }
}