.user-profile {
  display: flex;
  gap: 20px;
  font-family: Arial, sans-serif;
}
.profile-nav {
  width: 220px;
  background: #f5f7fa;
  border: 1px solid #ddd;
  padding: 20px;
  box-sizing: border-box;
  height: fit-content;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.avatar-wrapper {
  position: relative;
  width: 100px;
  height: 100px;
}
.profile-nav img.profile-pic {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 10px;
  border: 2px solid #3498db;
}
.edit-avatar-icon {
  position: absolute;
  bottom: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border-radius: 50%;
  padding: 5px;
  font-size: 14px;
  cursor: pointer;
  display: none;
}
.avatar-wrapper:hover .edit-avatar-icon {
  display: block;
}
.profile-nav .username {
  font-weight: bold;
  margin-bottom: 20px;
  font-size: 18px;
  text-align: center;
}
.profile-nav button {
  width: 100%;
  padding: 10px 0;
  margin-bottom: 10px;
  background-color: #eee;
  border: 1px solid #ccc;
  cursor: pointer;
  font-size: 16px;
  border-radius: 4px;
  color:black;
}
.profile-nav button.active {
  background-color: #3498db;
  color: white;
  font-weight: bold;
  border-color: #2980b9;
}
.profile-section {
  flex-grow: 1;
  border: 1px solid #ddd;
  padding: 20px;
  display: none;
  box-sizing: border-box;
  background: white;
  border-radius: 6px;
  min-width: 400px;
}
.profile-section.active {
  display: block;
}
.loading-section {
    text-align: center;
    padding: 40px 0;
    font-size: 1.2em;
    color: #555;
}
.loading-section .spinner {
    margin: 10px auto;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #555;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg);}
    100% { transform: rotate(360deg);}
}