body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #0f172a;
  color: #f1f5f9;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background-color: #1e293b;
  padding: 2rem;
  border-radius: 12px;
  max-width: 600px;
  width: 90%;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
  text-align: center;
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

textarea {
  width: 100%;
  height: 80px;
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  border: none;
  font-size: 1rem;
  resize: vertical;
}

select, button {
  margin-top: 1rem;
  margin-right: 0.5rem;
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  background-color: #38bdf8;
  color: #0f172a;
}

#tweetButton {
  background-color: #3b82f6;
}

.output-box {
  background-color: #334155;
  padding: 1rem;
  border-radius: 10px;
  margin-top: 1rem;
  text-align: left;
  white-space: pre-wrap;
  font-family: monospace;
  min-height: 100px;
}

#loadingSpinner {
  margin-top: 1rem;
  font-style: italic;
}

footer {
  margin-top: 2rem;
}

.bolt-badge {
  width: 120px;
  opacity: 0.8;
}