/* Student photo upload overlay */
.avatar-wrap {
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}
.avatar-camera-overlay {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 24px;
  height: 24px;
  background: rgba(0,0,0,0.6);
  border-radius: 6px 0 10px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.avatar-wrap:hover .avatar-camera-overlay,
.avatar-wrap:active .avatar-camera-overlay {
  opacity: 1;
}
/* Always show camera hint when no photo is set */
.avatar-camera-overlay.no-photo {
  opacity: 0.7;
}
.avatar-wrap:hover .avatar-camera-overlay.no-photo {
  opacity: 1;
}
/* Uploading state */
.avatar-wrap.uploading .avatar {
  opacity: 0.4;
}
.avatar-wrap.uploading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 3px solid #e5e7eb;
  border-top-color: #8b5cf6;
  border-radius: 50%;
  animation: photo-spin 0.8s linear infinite;
}
@keyframes photo-spin {
  to { transform: rotate(360deg); }
}