/* =========================================================
   Effects
   ========================================================= */

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.error-message {
  background-color: #fee;
  border: 1px solid #fcc;
  color: #c33;
  padding: 1rem;
  border-radius: 0.5rem;
  margin: 1rem 0;
}

.success-message {
  background-color: #efe;
  border: 1px solid #cfc;
  color: #3c3;
  padding: 1rem;
  border-radius: 0.5rem;
  margin: 1rem 0;
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.header-icons img:hover {
  filter: brightness(0) saturate(100%) invert(62%) sepia(93%) saturate(748%) hue-rotate(10deg) brightness(103%) contrast(98%);
  /* This converts #00A88D → close to #E6B800 */
}