body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
  background-color: #f5f5f5;
}
footer {
    text-align: center;
    margin: 20px 0;
    font-size: 0.9em;
    color: #666;
  }
  
.record-btn:hover {
  background-color: #c0392b !important;
}
.status.warning {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}
.recording {
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}
.container {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
h1 {
  color: #333;
  margin-bottom: 30px;
  text-align: center;
}
.input-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.tab-btn {
  padding: 10px 20px;
  border: 1px solid #ddd;
  background-color: #f8f9fa;
  color: #333;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: all 0.3s;
}
.tab-btn.active {
  background-color: #007bff;
  color: white;
  border-color: #007bff;
}
.tab-content {
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 0 6px 6px 6px;
  background-color: #f9f9f9;
  margin-bottom: 20px;
}
#textInput {
  width: 100%;
  min-height: 150px;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
}
.load-text-btn {
  margin-top: 10px;
  padding: 10px 20px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s;
}
.load-text-btn:hover {
  background-color: #218838;
}
.file-input-wrapper {
  margin-bottom: 20px;
}
input[type="file"] {
  display: none;
}
.file-label {
  display: inline-block;
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s;
}
.file-label:hover {
  background-color: #0056b3;
}
.text-preview {
  margin: 20px 0;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background-color: #f9f9f9;
  min-height: 100px;
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
}
.controls {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  flex-wrap: wrap;
}
button {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s;
}
.speak-btn {
  background-color: #28a745;
  color: white;
}
.speak-btn:hover {
  background-color: #218838;
}
.speak-btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}
.pause-btn {
  background-color: #ffc107;
  color: #333;
}
.pause-btn:hover {
  background-color: #e0a800;
}
.stop-btn {
  background-color: #dc3545;
  color: white;
}
.stop-btn:hover {
  background-color: #c82333;
}
.download-btn {
  background-color: #17a2b8;
  color: white;
}
.download-btn:hover {
  background-color: #138496;
}
.voice-controls {
  margin: 20px 0;
  display: grid;
  gap: 15px;
}
label {
  font-weight: 500;
  color: #555;
}
select,
input[type="range"] {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
}
.range-value {
  display: inline-block;
  margin-left: 10px;
  color: #666;
}
.status {
  margin-top: 20px;
  padding: 10px;
  border-radius: 4px;
  text-align: center;
  display: none;
}
.status.info {
  background-color: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}
.status.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}
.status.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}