html, body {
  height: 100%;
  min-height: 100%;
}

/* Preloader */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  text-align: center;
}

.preloader-spinner {
  width: 60px;
  height: 60px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #326da8;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

.preloader-logo {
  max-width: 200px;
  margin-bottom: 30px;
  opacity: 0.9;
}

.preloader-text {
  color: #326da8;
  font-size: 16px;
  font-weight: 600;
  margin-top: 15px;
  font-family: 'Nunito', sans-serif;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Stili vecchi per compatibilità */
.loading-icon {
  height: 100%;
  min-height: 100%;
  display: -ms-flex;
  display: -webkit-flex;
  display: flex;
  -ms-align-items: center;
  -webkit-align-items: center;
  align-items: center;
  justify-content: center;
  -ms-align-items: center;
  -webkit-justify-content: center;
  background-color: #f4f4f4;
}

i.fa.fa-spinner.fa-spin.fa-5x.fa-fw {
  color: #6a6a6a;
}