.layouts-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
}
.layouts-wrap > .card {
  flex: 1;
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Level 1: group tabs (Current / Alternative) */
.layouts-wrap .group-bar {
  display: flex;
  gap: 0;
  border-bottom: 3px solid var(--clr-border);
  flex-shrink: 0;
}
.layouts-wrap .group-bar button {
  padding: 0.5rem 1.4rem;
  border: none;
  background: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text-dim);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
  transition:
    color 0.15s,
    border-color 0.15s;
}
.layouts-wrap .group-bar button.active {
  color: var(--clr-text);
  border-bottom-color: var(--clr-accent);
}

/* Level 2: layout tabs within each group */
.layouts-wrap .tab-bar {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 2px solid var(--clr-border);
  flex-shrink: 0;
}
.layouts-wrap .tab-bar button {
  padding: 0.4rem 1.2rem;
  border: none;
  background: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition:
    color 0.15s,
    border-color 0.15s;
}
.layouts-wrap .tab-bar button.active {
  color: var(--clr-accent);
  border-bottom-color: var(--clr-accent);
  font-weight: 600;
}

/* Group panels */
.layouts-wrap .group-panel {
  display: none;
  flex: 1;
  flex-direction: column;
  min-height: 0;
}
.layouts-wrap .group-panel.active {
  display: flex;
  flex: 1;
}

/* Tab panels */
.layouts-wrap .tab-panel {
  display: none;
  flex: 1;
  flex-direction: column;
  min-height: 0;
}
.layouts-wrap .tab-panel.active {
  display: flex;
  flex: 1;
}