:root {
  /* Tropical / Rain Forest palette (light -> dark) */
  --tropical-50: #EFFAF5;
  --tropical-100: #D7F4E5;
  --tropical-200: #B3E7CE;
  --tropical-300: #81D4B2;
  --tropical-400: #4CBB90;
  --tropical-500: #2A9F76;
  --tropical-600: #197557;
  /* Complementary accent color used for charts */
  --tropical-complement: #8E44AD;
}

/* optional helper utilities (small set) */
.tropical-bg-50 { background-color: var(--tropical-50); }
.tropical-text-500 { color: var(--tropical-500); }
.tropical-500 { background-color: var(--tropical-500); }

/* Reusable tropical button utility used across admin pages */
.btn-tropical {
  background-color: var(--tropical-500, #2A9F76);
  color: #fff;
}
.btn-tropical:hover {
  background-color: var(--tropical-600, #197557);
}
.btn-tropical:active { transform: translateY(1px); }