:root{
  --bg: #ffffff;
  --fg: #111827;
  --muted:#6b7280;
  --card:#f9fafb;
  --border:#e5e7eb;
}
html[data-theme="dark"]{
  --bg:#0b1220;
  --fg:#e5e7eb;
  --muted:#9ca3af;
  --card:#111827;
  --border:#1f2937;
}
body.app-body{background:var(--bg); color:var(--fg);}
.bg-body{background:var(--bg) !important;}
.border-bottom, .border-top, .border{border-color:var(--border) !important;}
.card{background:var(--card); border-color:var(--border);}
.text-secondary{color:var(--muted) !important;}

/* Gallery */
.gallery-grid{columns: 2; column-gap: 12px;}
@media (min-width: 768px){.gallery-grid{columns: 4;}}
.gallery-item{break-inside: avoid; margin-bottom:12px;}
.gallery-item img{width:100%; height:auto; border-radius:12px; border:1px solid var(--border);}

/* Admin */
.admin-shell{min-height: calc(100vh - 120px);}