* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: #121212;
  color: #e6e6e6;
}

.container {
  max-width: 600px;
  margin: 20px auto;
  padding: 20px;
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid #0ff;
  border-radius: 10px;
  box-shadow: 0 0 20px #0ff;
  animation: neonGlow 2s infinite alternate;
}

@keyframes neonGlow {
  from {
    box-shadow: 0 0 10px #0ff;
  }
  to {
    box-shadow: 0 0 30px #0ff;
  }
}

h1,
h2 {
  text-align: center;
  text-shadow: 0 0 10px #0ff;
}

textarea,
input[type="number"],
input[type="text"],
select {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  font-size: 1rem;
  background: #222;
  border: 1px solid #0ff;
  border-radius: 4px;
  color: #e6e6e6;
}

textarea:focus,
input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
  outline: none;
  border-color: #0ff;
  box-shadow: 0 0 8px #0ff;
}

.controls,
.config-item {
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
}

.controls label,
.config-item label {
  margin-bottom: 4px;
  font-weight: bold;
  color: #0ff;
}

.buttons,
.config-buttons {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

button {
  padding: 10px;
  font-size: 1rem;
  border: 2px solid #0ff;
  border-radius: 4px;
  background: transparent;
  color: #0ff;
  cursor: pointer;
  flex: 1;
  margin: 5px;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

button:hover {
  background: #0ff;
  color: #121212;
  box-shadow: 0 0 20px #0ff;
}

#outputContainer {
  background: #1a1a1a;
  padding: 10px;
  border-radius: 4px;
  min-height: 50px;
  word-wrap: break-word;
  border: 1px solid #0ff;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .buttons,
  .config-buttons {
    flex-direction: column;
  }
  button {
    margin: 5px 0;
  }
}

#donateSection {
  text-align: center;
  margin-top: 20px;
}
.paypal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: #003087;
  border: 2px solid #fff;
  border-radius: 4px;
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  transition: background 0.3s ease, transform 0.3s ease;
}
.paypal-btn svg {
  margin-right: 8px;
  vertical-align: middle;
}
.paypal-btn:hover {
  background: #002066;
  transform: scale(1.05);
}

.footer {
  text-align: center;
  font-size: 0.8rem;
  margin: 10px 0;
  color: #0ff;
  text-shadow: 0 0 10px #0ff;
  padding: 10px;
}