body {
  background: #181c1f;
  color: #f7f7f7;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  min-height: 100vh;
}
.profil-container {
  max-width: 400px;
  margin: 40px auto;
  background: #23272a;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  padding: 32px 24px 24px 24px;
  text-align: center;
  border: 1.5px solid #222b36;
}
.profil-container h2 {
  color: #fff;
  margin-bottom: 24px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.profil-avatar-section {
  margin-bottom: 24px;
}
#profilAvatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #007aff;
  background: #222b36;
  margin-bottom: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
#avatarInput {
  margin-bottom: 8px;
  color: #fff;
}
#avatarForm button {
  background: #007aff;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 20px;
  font-size: 15px;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.2s;
  font-weight: 500;
}
#avatarForm button:hover {
  background: #005bb5;
}
.profil-info {
  margin-top: 18px;
  color: #e0e0e0;
  font-size: 16px;
}
#backToChat {
  margin-top: 32px;
  background: #007aff;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
#backToChat:hover {
  background: #005bb5;
}