/* #app-init-wrapper {
  text-align: center;
} */
/*
 #3498db;
*/

html,body {
  background-color: transparent;
}

#app-init-loader {
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #666; 
  width: 120px;
  height: 120px;
  -webkit-animation: spin 1s linear infinite; /* Safari */
  animation: spin 1s linear infinite;
  margin: 30vh auto;

  display: none;
}

/* Safari */
@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

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

#upgrade-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  text-align: center;
}

#upgrade-icon {
  font-size: 80px;
  line-height: 1;
  margin-bottom: 1rem;
  -webkit-animation: gear-spin 4s linear infinite;
  animation: gear-spin 4s linear infinite;
  display: inline-block;
  color: #555;
}

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

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

#upgrade-screen h1 {
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0.5rem 0 0.3rem;
  color: #222;
}

#upgrade-screen p {
  font-size: 1rem;
  color: #555;
  max-width: 540px;
  margin: 0 0 1.2rem;
  line-height: 1.5;
}

#upgrade-title-en,
#upgrade-desc-en {
  opacity: 0.7;
}

#upgrade-countdown-label {
  font-size: 0.9rem;
  color: #777;
  margin-top: 1.5rem;
  margin-bottom: 0.4rem;
}

#upgrade-countdown {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #333;
  font-variant-numeric: tabular-nums;
  font-family: "Courier New", Courier, monospace;
}

#upgrade-status {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: #999;
}