.flag {
  font-family: "Segoe UI Emoji", "Noto Color Emoji", "Apple Color Emoji", sans-serif;
}
.navbar-custom {
  background: linear-gradient(90deg, #1d1f27, #343a40);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.navbar-brand {
  font-family: 'Roboto', sans-serif;
  font-size: 1.8rem;
  color: #ffd700;
  transition: color 0.3s;
}
.navbar-brand:hover { color: #fff; }
.nav-link {
  color: #444444;
  transition: color 0.3s, transform 0.3s;
}
.nav-link:hover {
  color: #ffd700;
  transform: scale(1.1);
}
.language-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid transparent;
  border-radius: 5px;
  padding: 5px 10px;
  margin-left: 10px;
  transition: background-color 0.3s ease, transform 0.3s ease, border-color 0.3s;
}
.language-btn:hover {
  background-color: rgba(255, 255, 255, 0.4);
  transform: scale(1.1);
  border-color: #ffd700;
}
.language-btn .flag {
  margin-right: 5px;
  font-size: 1.2rem;
}

#chat-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1050;
}
#chat-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #343a40;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 5px rgba(0,0,0,0.3);
  font-size: 24px;
}
#chat-panel.open #chat-toggle {
  display: none;
}
#chat-content {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 300px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 0 5px rgba(0,0,0,0.3);
  display: none;
  flex-direction: column;
}
#chat-panel.open #chat-content {
  display: flex;
}