body {
  font-family: Arial, sans-serif;
}

.alert-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  text-align: center;
  width: 80%;
  max-width: 800px;
}

.alert {
  padding: 20px;
  margin-bottom: 10px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  font-family: Arial, sans-serif;
  animation: fadein 0.5s ease-in-out;
}

.alert img {
  width: 30px;
  height: 30px;
}

.red { background: #e63946; color: #fff; }
.orange { background: #f4a261; color: #fff; }
.green { background: #2a9d8f; color: #fff; }
.info { background: #007bff; color: #fff; }

@keyframes fadein {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.dark-mode {
  background: #121212;
  color: #fff;
}

.dark-mode-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px;
  background: #444;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 10px;
}