.toolbar {
  position: fixed;
  top: 44px; left: 0;
  width: 52px;
  height: calc(100% - 44px);
  background: #fff;
  border-right: 1px solid #e0ddd8;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0;
  z-index: 300;
  gap: 2px;
}
.toolbar-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.toolbar-divider {
  width: 28px;
  height: 1px;
  background: #e0ddd8;
  margin: 6px 0;
}
.tool-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
  transition: background .1s, color .1s;
}
.tool-btn:hover { background: #f0ede8; color: #1a1a18; }
.tool-btn.active { background: #e8e5df; color: #1a1a18; }

/* Top bar */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 44px;
  background: #fff;
  border-bottom: 1px solid #e0ddd8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px 0 14px;
  z-index: 400;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.topbar-logo {
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -.02em;
  color: #1a1a18;
}
.topbar-name {
  font-size: 13px;
  color: #555;
  background: transparent;
  padding: 4px 8px;
  border-radius: 6px;
  width: 200px;
}
.topbar-name:hover { background: #f5f4f0; }
.topbar-name:focus { background: #fff; box-shadow: 0 0 0 2px #4a90d9; }
.topbar-right {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.topbar-btn {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #333;
  background: #f5f4f0;
  transition: background .1s;
  white-space: nowrap;
}
.topbar-btn:hover { background: #e8e5df; }
.topbar-btn-primary {
  background: #1a1a18 !important;
  color: #fff !important;
}
.topbar-btn-primary:hover { background: #333 !important; }
.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
}
.topbar-user-email {
  font-size: 11px;
  color: #888;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar-divider {
  width: 1px;
  height: 20px;
  background: #e0ddd8;
}

/* Shape submenu */
.shape-submenu {
  position: fixed;
  top: 120px; left: 56px;
  width: 180px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  padding: 8px;
  z-index: 350;
  display: none;
}
.shape-submenu.open { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.shape-submenu-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 4px;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  background: none;
  transition: background .1s;
}
.shape-submenu-btn:hover { background: #f0ede8; }
.shape-submenu-btn.active { background: #e8e5df; }
.shape-submenu-btn svg { width: 28px; height: 28px; fill: none; stroke: #555; stroke-width: 1.5; }
.shape-submenu-btn span { font-size: 8px; color: #888; text-align: center; line-height: 1.2; }

@media (max-width: 700px) {
  .topbar-name { width: 100px; }
  .topbar-btn { padding: 6px 8px; font-size: 11px; }
}