.chat-container {
  height: 100%;
  padding: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.start-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;

  mat-card {
    max-width: 500px;
    width: 100%;
  }

  .project-select {
    width: 100%;
    margin-bottom: 16px;
  }

  .tts-checkbox {
    margin-bottom: 8px;
  }

  .tts-hint {
    color: #666;
    font-size: 12px;
    margin-bottom: 16px;
  }
}

.locale-select {
  width: 100%;
  margin-bottom: 16px;
}

.chat-card {
  height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  
  mat-card-header {
    background-color: #f5f5f5;
    padding: 16px;
    
    .spacer {
      flex: 1;
    }

    .tts-indicator {
      color: #4caf50;
      margin-right: 8px;
    }
  }
}

.waveform-container {
  background-color: #f0f0f0;
  padding: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 116px;

  canvas {
    border-radius: 4px;
    background-color: #f0f0f0;
  }
}

.chat-history {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #fafafa;
  min-height: 300px;
}

.msg-row {
  display: flex;
  align-items: flex-start;
  margin: 12px 0;
  gap: 8px;

  &.me {
    justify-content: flex-end;
    flex-direction: row-reverse;

    .bubble {
      background: #3f51b5;
      color: white;
      border-bottom-right-radius: 4px;
    }

    .msg-icon {
      color: #3f51b5;
    }
  }

  &.bot {
    justify-content: flex-start;

    .bubble {
      background: #e8eaf6;
      color: #000;
      border-bottom-left-radius: 4px;
    }

    .msg-icon {
      color: #7986cb;
    }
  }

  .msg-icon {
    margin-top: 4px;
  }

  .msg-content {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    max-width: 70%;

    .bubble {
      padding: 12px 16px;
      border-radius: 16px;
      line-height: 1.5;
      word-wrap: break-word;
      box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
      animation: slideIn 0.3s ease-out;
    }

    .play-button {
      margin-top: 4px;
      
      mat-icon {
        font-size: 20px;
        width: 20px;
        height: 20px;
      }
    }
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.input-row {
  display: flex;
  padding: 16px;
  gap: 12px;
  align-items: flex-start;
  background-color: #fff;

  .flex-1 {
    flex: 1;
  }

  .send-button {
    margin-top: 8px;
  }
}

// Loading state
.loading-spinner {
  display: flex;
  justify-content: center;
  padding: 20px;
}

// Error state
.error-message {
  color: #f44336;
  padding: 16px;
  text-align: center;
  background-color: #ffebee;
  border-radius: 4px;
  margin: 16px;
}

// Scrollbar styling
.chat-history::-webkit-scrollbar {
  width: 8px;
}

.chat-history::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.chat-history::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

.chat-history::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.stt-hint {
  font-size: 12px;
  color: #666;
  margin-top: 4px;
  font-style: italic;
}

.stt-checkbox {
  margin-top: 16px;
  
  &[disabled] {
    opacity: 0.5;
  }
}

.realtime-button {
  margin-left: 16px;
  background-color: #4caf50 !important;
  
  &:hover {
    background-color: #45a049 !important;
  }
  
  mat-icon {
    margin-right: 8px;
  }
}

// Real-time indicator animation
@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.realtime-indicator {
  color: #4caf50;
  animation: pulse 2s infinite;
}

// STT/TTS selection styling
.tts-checkbox, .stt-checkbox {
  display: block;
  margin-bottom: 8px;
  
  &[disabled] {
    opacity: 0.5;
  }
}

.tts-hint, .stt-hint {
  font-size: 12px;
  color: #666;
  margin-bottom: 16px;
  margin-left: 32px; // Align with checkbox text
  font-style: italic;
}

// Highlight when STT is enabled
.stt-checkbox.mat-mdc-checkbox-checked + .stt-hint {
  color: #4caf50;
  font-weight: 500;
}

// Button states
.mat-mdc-raised-button[disabled] {
  opacity: 0.6;
  
  &.realtime-button {
    opacity: 0.4;
  }
}