body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: #f4f4f5;
  margin: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.toolbar {
  background: white;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  margin-bottom: 20px;
  width: 100%;
  max-width: 800px;
  display: flex;
  gap: 8px;
}

button {
  padding: 6px 12px;
  cursor: pointer;
  background: #e4e4e7;
  border: none;
  border-radius: 4px;
}

button:hover {
  background: #d4d4d8;
}

.divider {
  color: #a1a1aa;
  margin: 0 4px;
}

/* The TipTap Editor Container */
#editor-container {
  background: white;
  width: 100%;
  max-width: 800px;
  min-height: 500px;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  box-sizing: border-box;
}

/* TipTap removes default outlines, let's keep it clean */
.ProseMirror {
  outline: none;
  min-height: 400px;
}

.ProseMirror p {
  margin-top: 0;
}

math-field {
  font-size: 1.1em;
  padding: 2px 6px;
  border-radius: 4px;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  margin: 0 4px;
  vertical-align: middle;
}

math-field:focus-within {
  outline: 2px solid #3b82f6;
  background: white;
}