* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

h1 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 30px;
  font-size: 2.2em;
}

#status {
  text-align: center;
  padding: 10px;
  background: #e3f2fd;
  border-radius: 8px;
  margin-bottom: 20px;
  font-weight: bold;
  color: #1976d2;
}

.controls {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

button {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  transition: all 0.3s;
  background: #007bff;
  color: white;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

button:disabled {
  background: #6c757d;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-btn {
  background: #6c757d;
}

.secondary-btn:hover {
  background: #5a6268;
}

.local-btn {
  background: #28a745;
}

.local-btn:hover {
  background: #218838;
}

.switch-btn {
  background: #17a2b8;
}

.switch-btn:hover {
  background: #138496;
}

.recording-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 15px;
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  border-radius: 10px;
  margin-bottom: 20px;
  color: #856404;
}

.recording-dot {
  width: 12px;
  height: 12px;
  background: #dc3545;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

.volume-visualizer {
  display: flex;
  align-items: end;
  gap: 3px;
  height: 30px;
}

.volume-bar {
  width: 4px;
  background: #dc3545;
  border-radius: 2px;
  animation: volumeWave 1s infinite ease-in-out;
}

.volume-bar:nth-child(1) { animation-delay: 0s; }
.volume-bar:nth-child(2) { animation-delay: 0.1s; }
.volume-bar:nth-child(3) { animation-delay: 0.2s; }
.volume-bar:nth-child(4) { animation-delay: 0.3s; }
.volume-bar:nth-child(5) { animation-delay: 0.4s; }

@keyframes volumeWave {
  0%, 100% { height: 5px; }
  50% { height: 25px; }
}

.tts-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 15px;
  background: #d1ecf1;
  border: 1px solid #bee5eb;
  border-radius: 10px;
  margin-bottom: 20px;
  color: #0c5460;
}

.tts-icon {
  font-size: 20px;
  animation: ttsPulse 2s infinite;
}

@keyframes ttsPulse {
  0% { opacity: 1; }
  50% { opacity: 0.7; }
  100% { opacity: 1; }
}

.tts-indicator span {
  font-weight: bold;
}

.qa {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  border-left: 4px solid #007bff;
}

.qa div {
  margin-bottom: 10px;
}

.qa div:last-child {
  margin-bottom: 0;
}

.qa b {
  color: #495057;
}

.conversation-history {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 1px solid #dee2e6;
}

.conversation-history h3 {
  margin-top: 0;
  color: #495057;
}

.history-controls {
  margin-bottom: 15px;
}

.history-container {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  background: white;
}

.history-container.collapsed {
  max-height: 0;
  overflow: hidden;
}

.history-item {
  padding: 10px 15px;
  border-bottom: 1px solid #dee2e6;
  background: white;
}

.history-item:last-child {
  border-bottom: none;
}

.history-item.question {
  border-left: 4px solid #007bff;
  background: #e3f2fd;
}

.history-item.answer {
  border-left: 4px solid #28a745;
  background: #d4edda;
}

.history-item.summary {
  border-left: 4px solid #ffc107;
  background: #fff3cd;
}

.timestamp {
  font-size: 12px;
  color: #6c757d;
  margin-bottom: 5px;
}

.content {
  line-height: 1.4;
}

.audio-section {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 1px solid #dee2e6;
}

.audio-section h3 {
  margin-top: 0;
  color: #495057;
}

.audio-section audio {
  width: 100%;
  max-width: 400px;
}

.debug-info {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid #dee2e6;
}

.debug-info h3 {
  margin-top: 0;
  color: #495057;
}

#debugText {
  background: #e9ecef;
  padding: 15px;
  border-radius: 8px;
  font-family: monospace;
  font-size: 14px;
  line-height: 1.4;
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid #dee2e6;
}

.assessment-report {
  background: #f8f9fa;
  border: 2px solid #28a745;
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.assessment-report h3 {
  color: #28a745;
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 1.4em;
}

.report-content {
  margin-bottom: 20px;
}

.report-text {
  background: white;
  padding: 15px;
  border-radius: 8px;
  border-left: 4px solid #28a745;
  line-height: 1.6;
  white-space: pre-line;
}

.markdown-content {
  white-space: normal;
  line-height: 1.8;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  color: #2c3e50;
  margin-top: 20px;
  margin-bottom: 10px;
  font-weight: 600;
}

.markdown-content h1 {
  font-size: 1.8em;
  border-bottom: 2px solid #28a745;
  padding-bottom: 5px;
}

.markdown-content h2 {
  font-size: 1.5em;
  border-bottom: 1px solid #e9ecef;
  padding-bottom: 3px;
}

.markdown-content h3 {
  font-size: 1.3em;
  color: #28a745;
}

.markdown-content ul,
.markdown-content ol {
  margin: 10px 0;
  padding-left: 20px;
}

.markdown-content li {
  margin: 5px 0;
}

.markdown-content strong {
  color: #28a745;
  font-weight: 600;
}

.markdown-content em {
  color: #6c757d;
  font-style: italic;
}

.markdown-content blockquote {
  border-left: 4px solid #28a745;
  background: #f8f9fa;
  padding: 10px 15px;
  margin: 15px 0;
  border-radius: 0 5px 5px 0;
}

.markdown-content code {
  background: #f1f3f4;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

.markdown-content pre {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  border: 1px solid #e9ecef;
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
}

.markdown-content th,
.markdown-content td {
  border: 1px solid #dee2e6;
  padding: 8px 12px;
  text-align: left;
}

.markdown-content th {
  background: #f8f9fa;
  font-weight: 600;
}

.loading {
  text-align: center;
  color: #6c757d;
  font-style: italic;
  padding: 20px;
}

.error-message {
  background: #f8d7da;
  color: #721c24;
  padding: 15px;
  border-radius: 8px;
  border-left: 4px solid #dc3545;
}

.info-message {
  background: #d1ecf1;
  color: #0c5460;
  padding: 15px;
  border-radius: 8px;
  border-left: 4px solid #17a2b8;
  text-align: center;
  font-style: italic;
}

.warning-message {
  background: #fff3cd;
  color: #856404;
  padding: 15px;
  border-radius: 8px;
  border-left: 4px solid #ffc107;
  text-align: center;
  font-style: italic;
}

.report-audio {
  border-top: 1px solid #dee2e6;
  padding-top: 15px;
}

.report-audio h4 {
  color: #495057;
  margin-bottom: 10px;
  font-size: 1.1em;
}

.report-audio audio {
  width: 100%;
  max-width: 400px;
}

#btnGetReport {
  background: #28a745;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

#btnGetReport:hover {
  background: #218838;
}

#btnGetReport:disabled {
  background: #6c757d;
  cursor: not-allowed;
}

@media (max-width: 768px) {
  .container {
    padding: 20px;
    margin: 10px;
  }
  
  h1 {
    font-size: 1.8em;
  }
  
  .controls {
    flex-direction: column;
    align-items: center;
  }
  
  button {
    width: 100%;
    max-width: 300px;
  }
}