/* Korean product expression only. Shared shell geometry lives in board-shell.css. */

body[data-board-shell="teacher"] .brand-mark {
  background-image: linear-gradient(145deg, #315e55, #244b45);
}

body[data-board-shell="teacher"] .canvas-viewport::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  left: 7.5%;
  width: 1px;
  height: 100%;
  background: rgba(168, 100, 61, .11);
  pointer-events: none;
}