/* PWA 歡迎畫面樣式 */
.splash-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #1a2b40;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out;
}

.splash-logo {
  width: 200px;
  height: auto;
  animation: pulse 2s infinite ease-in-out;
}

.splash-title {
  margin-top: 20px;
  color: white;
  font-size: 28px;
  font-weight: bold;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  text-align: center;
}

.splash-subtitle {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  text-align: center;
}

.splash-spinner {
  margin-top: 30px;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.05);
    filter: brightness(1.2);
  }
  100% {
    transform: scale(1);
    filter: brightness(1);
  }
}

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