.app-shell{
  min-height: 100vh;
  min-height: 100dvh;
  display:flex;
  flex-direction:column;
}

.topbar{
  position: sticky; top:0;
  backdrop-filter: blur(14px);
  background: rgba(11,13,16,.55);
  border-bottom: 1px solid var(--line);
  z-index: 20;
  overflow: visible;
}

.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}

.brand-logo{
  width: 28px;
  height: 28px;
  object-fit: contain;
  display:block;
}

.brand{ display:flex; gap:12px; align-items:center; }
.brand-dot{
  width: 12px; height:12px; border-radius:999px;
  background: var(--brand);
  box-shadow: 0 0 0 6px rgba(93,73,255,.12);
}

.brand-title{ font-weight: 650; letter-spacing:.2px; }
.brand-sub{ color: var(--muted); font-size: 13px; margin-top: 2px; }

.nav{ display:flex; gap: 14px; align-items:center; flex-wrap:wrap; }
.nav a{
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
}
.nav a[aria-current="page"]{
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: visible;
}

main{ flex:1; padding: 32px 0 46px; }
footer{
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.02);
  padding: 22px 0;
  color: var(--muted);
}
.footer-grid{
  display:grid; gap: 14px;
  grid-template-columns: 1.2fr .8fr;
}

.footer-links{
  display:flex;
  gap: 8px;
  align-items:center;
  flex-wrap:wrap;
}

.footer-links a{
  color: var(--muted);
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background .12s ease, border-color .12s ease, transform .12s ease;
}

.footer-links a:hover{
  color: var(--text);
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.10);
  transform: translateY(-1px);
}

.footer-links .sep{
  opacity: .55;
}

@media (max-width: 760px){
  .footer-grid{ grid-template-columns: 1fr; }
  .nav{ gap: 8px; }
}

@media (max-width: 640px){
  .topbar-inner{
    padding: 10px 0;
    gap: 10px;
    align-items: flex-start;
  }

  .brand{
    gap: 10px;
    max-width: 58%;
    min-width: 0;
  }

  .brand-title{
    font-size: 14px;
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-sub{
    font-size: 12px;
    line-height: 1.2;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav{
    gap: 6px;
    justify-content: flex-end;
    max-width: 42%;
  }

  .nav a{
    padding: 8px 10px;
    font-size: 13px;
  }
}