body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  padding: 20px;
  text-align: center;
  animation: fadeIn 1s ease-in;
}

.container {
  background: white;
  padding: 20px;
  max-width: 600px;
  margin: auto;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.controls {
  margin-bottom: 20px;
}

.hidden {
  display: none;
}

#spinner {
  color: #007BFF;
  font-weight: bold;
  margin: 15px 0;
  animation: pulse 1s infinite;
}

/* Dark Mode */
body.dark {
  background: #121212;
  color: #f5f5f5;
}

.container.dark {
  background: #1e1e1e;
  box-shadow: none;
}

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
  margin-left: 10px;
}
.switch input {
  display: none;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0;
  right: 0; bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 34px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}
input:checked + .slider {
  background-color: #2196F3;
}
input:checked + .slider:before {
  transform: translateX(26px);
}

/* Transcription Output */
#transcript {
  opacity: 0;
  transition: opacity 0.6s ease-in;
}

#transcript.visible {
  opacity: 1;
}

/* Download Button */
#downloadBtn {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 14px;
  background-color: #007BFF;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

#downloadBtn:hover {
  background-color: #0056b3;
  transform: scale(1.05);
}

/* Button Hover */
button:hover {
  transform: scale(1.05);
  transition: transform 0.3s ease;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0% { opacity: 0.3; }
  50% { opacity: 1; }
  100% { opacity: 0.3; }
}