/* Layout: intestazione pubblica, workbench con sidebar, pagina centrata. */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); padding: var(--s4) var(--s8); border-bottom: 1px solid var(--color-rule); background: var(--color-surface); }
.brand { display: inline-flex; align-items: center; gap: var(--s2); font-weight: 600; font-size: 17px; color: var(--color-ink); text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.topnav { display: flex; gap: var(--s5); align-items: center; font-size: 14px; }
.topnav a { color: var(--color-ink); text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: var(--s10) var(--s6); }
.wrap-narrow { max-width: 760px; }
.footer { border-top: 1px solid var(--color-rule); padding: var(--s6) var(--s8); font-size: 13px; color: var(--color-muted); display: flex; justify-content: space-between; gap: var(--s4); flex-wrap: wrap; }

.workbench { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; }
.sidebar { background: var(--color-surface); border-right: 1px solid var(--color-rule); padding: var(--s5) var(--s4); display: flex; flex-direction: column; gap: var(--s5); position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.side-org { border: 1px solid var(--color-rule); border-radius: var(--radius-md); padding: var(--s3); font-size: 13px; }
.side-org strong { display: block; font-size: 14px; }
.sidenav { display: flex; flex-direction: column; gap: 2px; }
.sidenav a { display: flex; align-items: center; justify-content: space-between; min-height: 40px; padding: 0 var(--s3); border-radius: var(--radius-sm); color: var(--color-ink); text-decoration: none; font-size: 14px; }
.sidenav a:hover { background: var(--color-soft); }
.sidenav a[aria-current="page"] { background: var(--color-tint); color: var(--color-accent); font-weight: 500; }
.side-foot { margin-top: auto; font-size: 13px; }
.main { min-width: 0; }
.main-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s4); padding: var(--s8) var(--s8) var(--s4); flex-wrap: wrap; }
.main-head p { margin: 0; color: var(--color-muted); }
.main-body { padding: 0 var(--s8) var(--s12); }
.cols { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: var(--s6); align-items: start; }
.cols-3 { display: grid; grid-template-columns: 280px minmax(0, 1fr) 380px; gap: var(--s6); align-items: start; }

@media (max-width: 1200px) { .cols-3 { grid-template-columns: 1fr; } }
@media (max-width: 900px) {
  .workbench { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: var(--s3); gap: var(--s3); }
  .sidenav { flex-direction: row; flex-wrap: wrap; }
  .side-org { display: none; }
  .side-foot { display: block; margin: 0 0 0 auto; }
  .side-foot .muted { display: none; }
  .cols { grid-template-columns: 1fr; }
  .main-head, .main-body { padding-left: var(--s4); padding-right: var(--s4); }
  .topbar { padding: var(--s3) var(--s4); }
  .topnav .hide-sm { display: none; }
}