/* Application shell: demo banner, sidebar, topbar, content. */
.demo-banner { position: sticky; top: 0; z-index: 60; height: var(--demo-h); display: flex; align-items: center; justify-content: center; gap: 8px; padding: 0 12px;
  background: var(--warning-soft); color: var(--warning); border-bottom: 1px solid var(--warning); font-size: .72rem; font-weight: 600; text-align: center; letter-spacing: .02em; }
.demo-banner strong { font-weight: 750; letter-spacing: .06em; }
/* The notice is a status, not an alarm: warning colours stay for demo / simulated / not-confirmed; a confirmed real connection is quiet. */
.demo-banner[data-tone="real"] { background: var(--accent-soft); color: var(--accent); border-bottom-color: var(--border); font-weight: 550; }
.demo-banner[data-tone="real"] strong { font-weight: 650; }
.demo-banner[data-tone="checking"], .demo-banner[data-tone="deny"] { background: var(--surface-2, var(--surface)); color: var(--muted); border-bottom-color: var(--border); }
.app { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: calc(100vh - var(--demo-h)); }
.app.is-collapsed { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }

/* Sidebar */
.sidebar { position: sticky; top: var(--demo-h); height: calc(100vh - var(--demo-h)); display: flex; flex-direction: column; background: var(--sidebar-bg); color: var(--sidebar-text); z-index: 40; overflow: hidden; }
.sidebar-brand { display: flex; align-items: center; gap: 12px; height: var(--topbar-h); padding: 0 16px; flex: none; border-bottom: 1px solid rgba(255, 255, 255, .08); color: #FFFFFF; text-decoration: none; }
.sidebar-brand img { width: 36px; height: 36px; border-radius: 9px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-name { font-weight: 750; font-size: 1.05rem; letter-spacing: .01em; }
.brand-sub { font-size: .68rem; color: var(--sidebar-muted); white-space: nowrap; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 10px 16px; scrollbar-width: thin; }
.nav-group { margin-top: 14px; }
.nav-group-label { padding: 4px 10px; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--sidebar-muted); }
.nav-item { display: flex; align-items: center; min-height: 40px; gap: 12px; min-height: 40px; padding: 8px 10px; border-radius: var(--radius-1); color: var(--sidebar-text); text-decoration: none; background: none; border: 0; width: 100%; text-align: left; }
.nav-item:hover:not([aria-disabled="true"]) { background: rgba(255, 255, 255, .07); color: #FFFFFF; }
.nav-item[aria-current="page"] { background: var(--sidebar-active-bg); color: var(--sidebar-active-text); font-weight: 650; box-shadow: inset 3px 0 0 var(--accent-solid); }
.nav-item[aria-disabled="true"] { color: var(--sidebar-muted); }
.nav-item .nav-label { flex: 1; min-width: 0; white-space: normal; overflow-wrap: anywhere; line-height: 1.25; }
.nav-soon { font-size: .62rem; padding: 1px 6px; border-radius: 999px; border: 1px solid var(--sidebar-muted); color: var(--sidebar-muted); white-space: nowrap; }
.sidebar-foot { flex: none; padding: 10px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .72rem; color: var(--sidebar-muted); }
.sidebar-toggle { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 36px; padding: 6px 10px; border-radius: var(--radius-1); background: none; border: 0; color: var(--sidebar-text); }
.sidebar-toggle:hover { background: rgba(255, 255, 255, .07); color: #FFFFFF; }
.app.is-collapsed .brand-text, .app.is-collapsed .nav-label, .app.is-collapsed .nav-group-label, .app.is-collapsed .nav-soon, .app.is-collapsed .sidebar-foot .foot-text, .app.is-collapsed .sidebar-toggle .toggle-text { display: none; }
.app.is-collapsed .nav-item, .app.is-collapsed .sidebar-toggle { justify-content: center; padding-inline: 0; }
.app.is-collapsed .sidebar-brand { justify-content: center; padding: 0; }
.sidebar-scrim { position: fixed; inset: 0; z-index: 35; background: rgba(5, 12, 24, .55); }

/* Topbar */
.main-col { min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: var(--demo-h); z-index: 30; display: flex; align-items: center; min-height: var(--topbar-h); padding: 8px 24px; background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: 0 1px 2px rgba(15, 23, 42, .04); }
.topbar-inner { display: flex; align-items: center; gap: 12px; width: 100%; max-width: 1480px; margin-inline: auto; }
.topbar-menu { display: none; }
.topbar-spacer { flex: 1; }
.context-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.context-field { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.context-field label { font-size: .66rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.context-field select { max-width: 220px; min-height: 34px; padding: 4px 28px 4px 10px; font-size: .85rem; }
.context-note { font-size: .7rem; color: var(--muted); }
.topbar-actions { display: flex; align-items: center; gap: 6px; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 4px 10px 4px 4px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); }
.avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--primary); color: var(--on-primary); font-weight: 700; font-size: .8rem; flex: none; }
.user-meta { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.user-meta strong { font-size: .82rem; } .user-meta span { font-size: .7rem; color: var(--muted); }

/* Content */
main { flex: 1; padding: 24px; width: 100%; max-width: 1480px; margin-inline: auto; outline: none; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head .lead { color: var(--muted); margin-top: 4px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; font-size: .8rem; color: var(--muted); margin-bottom: 6px; }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--muted); }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.app-footer { padding: 14px 24px; border-top: 1px solid var(--border); font-size: .78rem; color: var(--muted); display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; align-items: center; }
.app-footer img { height: 22px; width: auto; background: #FFFFFF; border-radius: 4px; padding: 2px 6px; }
.grid { display: grid; gap: 16px; }
.grid-kpi { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3-1 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.stack { display: flex; flex-direction: column; gap: 16px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 1099px) {
  .app, .app.is-collapsed { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; inset: var(--demo-h) auto 0 0; width: min(86vw, var(--sidebar-w)); transform: translateX(-102%); transition: transform .2s ease; box-shadow: var(--shadow-2); }
  .app.nav-open .sidebar { transform: translateX(0); }
  .app.is-collapsed .brand-text, .app.is-collapsed .nav-label, .app.is-collapsed .nav-group-label, .app.is-collapsed .nav-soon, .app.is-collapsed .sidebar-foot .foot-text, .app.is-collapsed .sidebar-toggle .toggle-text { display: revert; }
  .app.is-collapsed .nav-item, .app.is-collapsed .sidebar-toggle { justify-content: flex-start; padding-inline: 10px; }
  .topbar-menu { display: inline-flex; }
  .sidebar-toggle { display: none; }
  .grid-3-1, .grid-2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 719px) {
  .demo-detail { display: none; }
  main { padding: 16px 12px; }
  .topbar { padding: 8px 12px; }
  .topbar-inner { gap: 8px; flex-wrap: wrap; }
  .topbar-brand-text, .topbar-style-label { display: none; }
  .user-meta, .context-note { display: none; }
  .context-bar { order: 5; width: 100%; }
  .context-trigger { width: 100%; max-width: none; }
  .context-panel { position: fixed; left: 12px; right: 12px; top: auto; width: auto; }
  .page-actions { width: 100%; } .page-actions .btn { flex: 1; }
  .demo-banner { font-size: .68rem; }
}

/* Signed-out state (HTTP mode): only the page content, no menu and no topbar. */
.app.is-anon { grid-template-columns: minmax(0, 1fr); }
.app.is-anon .sidebar, .app.is-anon .topbar, .app.is-anon .sidebar-scrim { display: none; }