.dark{
  --bg:#0b1220; --card:#0f172a; --text:#e5e7eb; --muted:#9aa4b2;
  --primary:#80a0ff; --border:#162033; --accent:#0c162b;
}
.dark body{ background:#0b1220; color:var(--text); }
.dark .menu a{ color:#cbd5e1; border-bottom-color:#1e293b; }
.dark .menu a.aktif{ color:#fff; border-bottom-color:#2b3b60; }
.dark .kart{ background:var(--card); border-color:#1e293b; }
.dark .tablo th{ background:#0c162b; color:#dbeafe; }
.dark .girdi, .dark textarea, .dark select{ background:#0b1220; color:#e5e7eb; border-color:#1e293b; }
.dark .buton.ikincil{ background:#0b1220; color:#e5e7eb; border-color:#1e293b }