/* Loading Spinner Styles */

/* Main loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.3s ease;
}

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

/* Loading spinner container */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 350px;
  max-width: 90%;
  text-align: center;
}

/* Spinning circle */
.spinner-circle {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(102, 126, 234, 0.3);
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

/* Spinning dots */
.spinner-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.spinner-dots span {
  width: 12px;
  height: 12px;
  background-color: #007bff;
  border-radius: 50%;
  animation: bounce 1.4s infinite;
}

.spinner-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.spinner-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

/* Loading text */
.loading-text {
  color: #333;
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  width: 100%;
  word-wrap: break-word;
  white-space: normal;
}

/* Small inline spinner (for buttons, forms) */
.spinner-small {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

/* Spinner in button */
.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.skeleton-text {
  height: 12px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
  border-radius: 8px;
  margin-bottom: 16px;
}

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

@keyframes bounce {
  0%, 100% {
    transform: scaleY(1);
    opacity: 0.5;
  }
  50% {
    transform: scaleY(1.3);
    opacity: 1;
  }
}

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

/* Mobile responsive */
@media (max-width: 768px) {
  .spinner-circle {
    width: 40px;
    height: 40px;
    border-width: 3px;
  }

  .loading-text {
    font-size: 14px;
  }
}