#workspaceView {
  grid-template-columns: 212px minmax(0, 1fr);
  grid-template-rows: 44px minmax(0, 1fr);
  grid-template-areas: "header header" "sidebar content";
  overflow-x: clip;
}

#workspaceView > .workspace-nav { grid-area: header; }

#workspaceView > .sub-nav {
  grid-area: sidebar;
  align-self: start;
  position: sticky;
  top: 44px;
  height: calc(100vh - 44px);
  height: calc(100dvh - 44px);
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 18px;
  padding: 20px 14px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 0;
  border-right: 1px solid #e5e9ef;
  background: #fff;
  backdrop-filter: none;
}

#workspaceView .sub-nav-tabs {
  width: 100%;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
  overflow: visible;
  padding: 0;
}

#workspaceView .sub-nav-tab {
  width: 100%;
  min-height: 42px;
  flex-shrink: 0;
  padding: 10px 14px;
  border-radius: 8px;
  text-align: left;
  color: #475569;
  background: transparent;
  font-size: 14px;
  font-weight: 500;
}

#workspaceView .sub-nav-tab:hover { background: #f3f6fa; }
#workspaceView .sub-nav-tab.is-active,
#workspaceView .sub-nav-tab[aria-selected="true"] {
  color: #0066cc;
  background: #eaf3ff;
  font-weight: 600;
}

#workspaceView .sub-nav-actions {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid #edf0f4;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  width: 100%;
}

#workspaceView .sub-nav-actions .secondary-button {
  width: 100%;
  min-height: 40px;
  border-radius: 8px;
}

#workspaceView .workspace-console-link {
  display: block;
  padding: 12px 8px;
  text-align: center;
  color: #64748b;
  font-size: 13px;
  text-decoration: none;
}
#workspaceView .workspace-console-link:hover { color: #0066cc; }
#workspaceView .workspace-console-link:focus-visible {
  outline: 2px solid #0071e3;
  outline-offset: 2px;
}

/* Every pane shares one explicit cell, including after permission changes. */
#workspaceView > .content-pane {
  grid-area: content;
  align-self: start;
  min-width: 0;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 28px;
}

#workspaceView .workspace-menu-button,
#workspaceView .workspace-sidebar-close,
#workspaceView .workspace-sidebar-backdrop { display: none; }

@media (width < 760px) {
  #workspaceView {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "header" "content";
  }
  #workspaceView > .workspace-nav { padding: 0 12px; gap: 10px; }
  #workspaceView .brand-line { gap: 8px; }
  #workspaceView .brand-line .brand-mark { display: none; }
  #workspaceView .account-line { gap: 8px; }
  #workspaceView #currentUser { max-width: 24vw; }
  #workspaceView .workspace-menu-button,
  #workspaceView .workspace-sidebar-close { display: block; }
  #workspaceView .workspace-menu-button { padding: 0 10px; }
  #workspaceView .workspace-sidebar-close { flex-shrink: 0; }
  #workspaceView > .sub-nav {
    position: fixed;
    inset: 44px auto 0 0;
    width: min(280px, calc(100vw - 48px));
    z-index: 21;
    visibility: hidden;
    transform: translateX(-100%);
  }
  #workspaceView.is-sidebar-open > .sub-nav {
    visibility: visible;
    transform: none;
  }
  #workspaceView .workspace-sidebar-backdrop:not([hidden]) {
    display: block;
    position: fixed;
    inset: 44px 0 0;
    z-index: 20;
    width: 100%;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: rgb(15 23 42 / 38%);
    transform: none;
    cursor: default;
  }
  #workspaceView > .content-pane { padding: 20px 16px; }
  body:has(#workspaceView.is-sidebar-open:not([hidden])) { overflow: hidden; }
}