:root {
	--primary-color: #3498db;
	--secondary-color: #2c3e50;
	--success-color: #2ecc71;
	--error-color: #e74c3c;
	--warning-color: #f39c12;
	--text-color: #333;
	--light-bg: #f5f5f5;
	--border-color: #ddd;
  }
  
  * {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
  }
  
  body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	line-height: 1.6;
	color: var(--text-color);
	background-color: var(--light-bg);
  }
  
  .container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 20px;
  }
  
  header {
	text-align: center;
	margin-bottom: 40px;
	padding: 20px;
	background-color: var(--secondary-color);
	color: white;
	border-radius: 8px;
  }
  
  h1 {
	margin-bottom: 10px;
  }
  
  h2 {
	margin-bottom: 20px;
	color: var(--secondary-color);
  }
  
  .upload-section, .results-section {
	background-color: white;
	padding: 30px;
	border-radius: 8px;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
	margin-bottom: 30px;
  }
  
  .form-group {
	margin-bottom: 20px;
  }
  
  label {
	display: block;
	margin-bottom: 8px;
	font-weight: 600;
  }
  
  input[type="file"],
  input[type="text"],
  select {
	width: 100%;
	padding: 12px;
	border: 1px solid var(--border-color);
	border-radius: 4px;
	font-size: 16px;
  }
  
  button {
	background-color: var(--primary-color);
	color: white;
	border: none;
	padding: 12px 24px;
	font-size: 16px;
	border-radius: 4px;
	cursor: pointer;
	transition: background-color 0.3s;
  }
  
  button:hover {
	background-color: #2980b9;
  }
  
  .status-box {
	margin-top: 20px;
	padding: 15px;
	border-radius: 4px;
  }
  
  .status-success {
	background-color: #d4edda;
	color: #155724;
	border: 1px solid #c3e6cb;
  }
  
  /* Audio quality section styles */
  .audio-quality-section {
	margin-top: 15px;
	padding: 12px;
	background-color: #f8f9fa;
	border-left: 4px solid var(--success-color);
	border-radius: 4px;
  }
  
  .audio-quality-section h4 {
	color: var(--secondary-color);
	margin-bottom: 8px;
	font-size: 14px;
	font-weight: 600;
  }
  
  .audio-quality-section p {
	margin-bottom: 4px;
	font-size: 13px;
  }