/* App shell layout */
.mcio-app {
  position: relative;
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  z-index: 1;
}
.mcio-main { display: flex; flex-direction: column; min-width: 0; }
.mcio-content {
  padding: 1.5rem clamp(1rem, 2vw, 2rem) 3rem;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

.page-content {
  padding: 1.5rem clamp(1rem, 2vw, 2rem);
  margin-top: 1rem;
}
.page-title    { font-size: 1.45rem; margin-bottom: 0.35rem; }
.page-subtitle { color: var(--text-dim); margin-bottom: 1.25rem; }
.step-label    { display: block; font-size: 0.85rem; color: var(--text-dim); letter-spacing: .06em; text-transform: uppercase; margin: 1.25rem 0 0.55rem; }

/* Responsive sidebar */
@media (max-width: 880px) {
  .mcio-app { grid-template-columns: 1fr; }
  .mcio-sidebar {
    position: fixed; inset: 0 auto 0 0; width: 240px; transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 80;
  }
  .mcio-sidebar.is-open { transform: translateX(0); }
  .mcio-hamburger { display: inline-flex !important; }
}