/* loader.css - Loader styles */

/* Spinner loader */
.spinner {
  display: inline-block;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  animation: spin 1s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Pulse loader */
.pulse {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--primary-color);
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
}

/* Dots loader */
.dots {
  display: inline-flex;
  align-items: center;
}

.dots span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
  margin: 0 2px;
}

.dots span:nth-child(1) {
  animation: dots 1.5s ease infinite;
}

.dots span:nth-child(2) {
  animation: dots 1.5s ease 0.2s infinite;
}

.dots span:nth-child(3) {
  animation: dots 1.5s ease 0.4s infinite;
}

@keyframes dots {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0);
  }
}

/* Progress bar */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-bar.indeterminate {
  width: 50%;
  animation: progress-indeterminate 1.5s ease infinite;
}

@keyframes progress-indeterminate {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(200%);
  }
}

/* Skeleton loader */
.skeleton {
  display: inline-block;
  background-color: var(--border-color);
  border-radius: 4px;
  animation: skeleton-pulse 1.5s ease infinite;
}

.skeleton-text {
  height: 1em;
  margin-bottom: 0.5em;
  width: 100%;
}

.skeleton-text:last-child {
  width: 80%;
}

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

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

.skeleton-button {
  width: 100px;
  height: 36px;
  border-radius: 4px;
}

@keyframes skeleton-pulse {
  0% {
    opacity: 0.6;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 0.6;
  }
}

/* Fullscreen loader */
.fullscreen-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.fullscreen-loader .spinner {
  margin-bottom: 1rem;
}

.fullscreen-loader .message {
  font-weight: 500;
  color: var(--text-color);
}