/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #1a1a1a;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
  pointer-events: none;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-screen * {
  pointer-events: none;
}

.loader {
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

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

.loading-text {
  color: #fff;
  font-size: 1.2rem;
  margin-top: 15px;
  font-family: Arial, sans-serif;
  text-align: center;
  min-height: 1.5em;
  transition: opacity 0.3s ease;
}

.loading-screen.hidden .loading-text {
  opacity: 0;
}

.loading-progress {
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  margin-top: 20px;
  border-radius: 2px;
  overflow: hidden;
}

.loading-progress-bar {
  height: 100%;
  width: 0%;
  background: #3498db;
  transition: width 0.3s ease;
  border-radius: 2px;
}