.toolbar {
  display: flex;
  background: var(--bg-secondary);
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.toolbar-item {
  border: 0;
  display: flex;
  background: none;
  border-radius: 6px;
  padding: 8px;
  cursor: pointer;
  vertical-align: middle;
  color: var(--text-primary);
  transition: background-color 0.2s;
}

.toolbar-item:hover:not(:disabled) {
  background-color: var(--bg-primary);
}

.toolbar-item.active {
  background-color: var(--accent-primary);
  color: white;
}

.toolbar-item:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.toolbar-item.spaced {
  margin-right: 2px;
}

.toolbar-item.font-size {
  width: 100px;
  padding: 4px 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
}

.divider {
  width: 1px;
  background-color: var(--border-color);
  margin: 0 8px;
  height: 24px;
}

i.format {
  background-size: contain;
  display: inline-block;
  height: 18px;
  width: 18px;
  vertical-align: -0.25em;
  position: relative;
}

i.format.bold {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M15.6 10.79c.97-.67 1.65-1.77 1.65-2.79 0-2.26-1.75-4-4-4H7v14h7.04c2.09 0 3.71-1.7 3.71-3.79 0-1.52-.86-2.82-2.15-3.42zM10 6.5h3c.83 0 1.5.67 1.5 1.5s-.67 1.5-1.5 1.5h-3v-3zm3.5 9H10v-3h3.5c.83 0 1.5.67 1.5 1.5s-.67 1.5-1.5 1.5z'/%3E%3C/svg%3E");
}

i.format.italic {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M10 4v3h2.21l-3.42 8H6v3h8v-3h-2.21l3.42-8H18V4z'/%3E%3C/svg%3E");
}

i.format.underline {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M12 17c3.31 0 6-2.69 6-6V3h-2.5v8c0 1.93-1.57 3.5-3.5 3.5S8.5 12.93 8.5 11V3H6v8c0 3.31 2.69 6 6 6zm-7 2v2h14v-2H5z'/%3E%3C/svg%3E");
}

i.format.strikethrough {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M10 19h4v-3h-4v3zM5 4v3h5v3h4V7h5V4H5zM3 14h18v-2H3v2z'/%3E%3C/svg%3E");
}

i.format.left-align {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M15 15H3v2h12v-2zm0-8H3v2h12V7zM3 13h18v-2H3v2zm0 8h18v-2H3v2zM3 3v2h18V3H3z'/%3E%3C/svg%3E");
}

i.format.center-align {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M7 15v2h10v-2H7zm-4 6h18v-2H3v2zm0-8h18v-2H3v2zm4-6v2h10V7H7zM3 3v2h18V3H3z'/%3E%3C/svg%3E");
}

i.format.right-align {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M3 21h18v-2H3v2zm6-4h12v-2H9v2zm-6-4h18v-2H3v2zm6-4h12V7H9v2zM3 3v2h18V3H3z'/%3E%3C/svg%3E");
}

i.format.justify-align {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M3 21h18v-2H3v2zm0-4h18v-2H3v2zm0-4h18v-2H3v2zm0-4h18V7H3v2zm0-6v2h18V3H3z'/%3E%3C/svg%3E");
}