.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: 56px 1fr;
  grid-template-areas: "side top" "side main";
  min-height: 100vh;
}
.sidebar {
  grid-area: side;
  background: var(--mw-bg-2);
  border-right: 1px solid var(--mw-border);
  padding: 20px 16px;
}
.sidebar h1 { font-size: 18px; margin: 0 0 24px; color: var(--mw-gold); }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar nav a {
  padding: 10px 12px;
  border-radius: var(--mw-radius);
  color: var(--mw-fg-dim);
  display: block;
}
.sidebar nav a.active { background: var(--mw-bg); color: var(--mw-gold); }
.sidebar nav a:hover { color: var(--mw-fg); }

.topbar {
  grid-area: top;
  background: var(--mw-bg-2);
  border-bottom: 1px solid var(--mw-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}
.topbar .user { color: var(--mw-fg-dim); font-size: 13px; }
.topbar .user button {
  margin-left: 12px;
  background: transparent;
  color: var(--mw-fg-dim);
  border: 1px solid var(--mw-border);
  padding: 6px 12px;
  border-radius: var(--mw-radius);
}

.main { grid-area: main; padding: 24px; overflow-y: auto; }

@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; grid-template-areas: "top" "main"; }
  .sidebar { display: none; }
}