body::after {
  content: "PUBLIC SHELL · LOCAL DATA DISCONNECTED";
  position: fixed;
  z-index: 30;
  right: 12px;
  bottom: 10px;
  padding: 6px 8px;
  background: #c8ff00;
  color: #111;
  font: 800 8px/1 Cascadia Mono, monospace;
  letter-spacing: .07em;
  pointer-events: none;
}

@media (max-width: 760px) {
  html, body, #app { width: 100% !important; min-width: 0 !important; min-height: 0 !important; overflow: hidden !important; }
  .app-shell { grid-template: 58px 52px minmax(0,1fr) / minmax(0,1fr); }
  .topbar { grid-column: 1; grid-row: 1; grid-template-columns: minmax(0,1fr) auto; padding: 0 10px; }
  .brand small, .project-context, .top-actions .action:not([data-action="open-details"]):not([data-action="new-task"]) { display: none; }
  .brand-code { width: 34px; height: 34px; }
  .top-actions { gap: 5px; }
  .top-actions .action { min-height: 32px; padding: 0 8px; font-size: 9px; }
  .project-rail { grid-column: 1; grid-row: 2; display: block; border-right: 0; border-bottom: 1px solid var(--line-soft); overflow: hidden; }
  .rail-title, .rail-search, .add-project { display: none; }
  .project-rail nav { display: flex; overflow: auto hidden; scrollbar-width: none; }
  .project-item { flex: 0 0 170px; min-height: 51px; border-right: 1px solid var(--line-soft); border-bottom: 0; padding: 8px 10px; }
  .project-item small { margin-top: 3px; }
  .work-surface { grid-column: 1; grid-row: 3; }
  .app-shell, .topbar, .project-rail, .work-surface, .content-column, .task-row, .task-copy { min-width: 0; max-width: 100%; }
  .content-column { width: calc(100% - 24px); padding: 22px 0 70px; }
  .project-head { grid-template-columns: 1fr; gap: 18px; padding-bottom: 22px; }
  .head-stats { padding: 14px 0 0; border-left: 0; border-top: 1px solid var(--line-soft); }
  .review-block { padding: 18px 15px 15px; }
  .review-detail-grid { grid-template-columns: 1fr; }
  .task-row { grid-template-columns: 1fr; }
  .task-state { justify-content: flex-start; border-left: 0; border-top: 1px solid var(--line-soft); }
  .task-actions { align-items: flex-start; }
  .task-hint { max-width: none; text-align: left; }
  .project-drawer { inset: 58px 0 0; width: 100vw; }
  .drawer-scrim { inset: 58px 0 0; }
  .dialog-title { position: sticky; top: 0; background: var(--paper); z-index: 2; }
}
/* Portfolio return rail: shown only when a public demo opens as a standalone page. */
:root { --portfolio-demo-nav-height: 46px; }
.portfolio-demo-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20000;
  min-height: var(--portfolio-demo-nav-height);
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: stretch;
  border-bottom: 1px solid #0a0a0a;
  background: #f3f2ed;
  color: #0a0a0a;
  font-family: "Cascadia Mono", "Segoe UI", "Microsoft YaHei UI", monospace;
  line-height: 1;
}
.portfolio-demo-nav a { color: inherit; text-decoration: none; }
.portfolio-demo-nav__brand,
.portfolio-demo-nav__context,
.portfolio-demo-nav__links a {
  min-height: var(--portfolio-demo-nav-height);
  display: inline-flex;
  align-items: center;
}
.portfolio-demo-nav__brand {
  gap: 9px;
  padding: 0 16px;
  border-right: 1px solid #0a0a0a;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
}
.portfolio-demo-nav__brand-mark {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  background: #0a0a0a;
  color: #c8ff00;
  font-size: 9px;
}
.portfolio-demo-nav__context {
  padding: 0 14px;
  color: #5f5f59;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .09em;
  white-space: nowrap;
}
.portfolio-demo-nav__links {
  min-width: 0;
  display: flex;
  justify-content: flex-end;
}
.portfolio-demo-nav__links a {
  padding: 0 15px;
  border-left: 1px solid #b8b8b2;
  font-size: 10px;
  font-weight: 750;
  white-space: nowrap;
}
.portfolio-demo-nav__links a:hover,
.portfolio-demo-nav__links a:focus-visible {
  background: #0a0a0a;
  color: #c8ff00;
}
.portfolio-demo-nav__links a:focus-visible,
.portfolio-demo-nav__brand:focus-visible {
  outline: 3px solid #173cff;
  outline-offset: -3px;
}
html.is-embedded .portfolio-demo-nav { display: none !important; }

@media (max-width: 700px) {
  .portfolio-demo-nav {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .portfolio-demo-nav__context,
  .portfolio-demo-nav__links a:not(.portfolio-demo-nav__return) {
    display: none;
  }
  .portfolio-demo-nav__brand { padding-inline: 11px; }
  .portfolio-demo-nav__links a { padding-inline: 13px; }
}
html:not(.is-embedded) body { min-width: 0; padding-top: var(--portfolio-demo-nav-height); }
html:not(.is-embedded) #app { height: calc(100vh - var(--portfolio-demo-nav-height)); }
html:not(.is-embedded) .app-shell { height: 100%; }