.workspace {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 330px minmax(0,1fr);
  background: var(--main);
}
.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  min-width: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 14px 14px;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--sidebar);
  border-right: 1px solid rgba(255,255,255,.06);
}
.workspace-main { min-width: 0; min-height: 100vh; background: var(--main); }
.app-view { min-height: 100vh; min-width: 0; }
.app-view:not(.active) { display: none; }
.sidebar-module { display: flex; flex: 1; min-height: 0; flex-direction: column; gap: 10px; }
.sidebar-placeholder { display: grid; gap: 7px; padding: 12px; border-radius: 14px; background: rgba(255,255,255,.035); color: var(--muted); font-size: 13px; }
.sidebar-placeholder strong { color: var(--text); font-size: 14px; }
.module-placeholder { min-height: 100vh; display: grid; place-content: center; justify-items: center; gap: 12px; padding: 40px; text-align: center; }
.module-placeholder h1 { margin: 0; font-size: 34px; }
.module-placeholder p { max-width: 560px; margin: 0; color: var(--muted); line-height: 1.55; }
.module-placeholder-icon { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 20px; background: rgba(255,255,255,.055); color: var(--accent); }
.module-placeholder-icon svg { width: 32px; height: 32px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }