body {
  min-height: 100vh;
}

.app-shell {
  width: min(1200px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.app-header,
.app-main {
  display: grid;
  gap: 20px;
}

.app-footer {
  display: flex;
  justify-content: center;
  margin-top: 24px;
  padding-bottom: 8px;
}

.app-header {
  grid-template-columns: 1fr auto;
  align-items: end;
  margin-bottom: 20px;
}

.app-main {
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.95fr);
}

.board-panel,
.side-panel {
  min-width: 0;
}