.realtime-chat-container {
  max-width: 800px;
  margin: 20px auto;
  height: 80vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

mat-card-header {
  position: relative;
  
  .close-button {
    position: absolute;
    top: 8px;
    right: 8px;
  }
}

.error-banner {
  background-color: #ffebee;
  color: #c62828;
  padding: 12px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  
  mat-icon {
    font-size: 20px;
    width: 20px;
    height: 20px;
  }
  
  span {
    flex: 1;
  }
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #fafafa;
  border-radius: 8px;
  min-height: 300px;
  max-height: 450px;
}

.message {
  display: flex;
  align-items: flex-start;
  margin-bottom: 16px;
  animation: slideIn 0.3s ease-out;
}

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

.message.user {
  flex-direction: row-reverse;
}

.message.system {
  justify-content: center;
  
  .message-content {
    background: #e0e0e0;
    font-style: italic;
    max-width: 80%;
  }
}

.message-icon {
  margin: 0 8px;
  color: #666;
}

.message-content {
  max-width: 70%;
  background: white;
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  position: relative;
}

.message.user .message-content {
  background: #3f51b5;
  color: white;
}

.message-text {
  margin-bottom: 4px;
}

.message-time {
  font-size: 11px;
  opacity: 0.7;
}

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

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #999;
  
  mat-icon {
    font-size: 48px;
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
  }
}

.audio-visualizer {
  width: 100%;
  height: 100px;
  background: #212121;
  border-radius: 8px;
  margin-top: 16px;
  opacity: 0.3;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  
  &.active {
    opacity: 1;
    background: #1a1a1a;
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
  }
}

mat-chip {
  font-size: 12px;
}

mat-chip.active {
  background-color: #3f51b5 !important;
  color: white !important;
}

mat-card-actions {
  padding: 16px;
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  
  mat-spinner {
    display: inline-block;
    margin-right: 8px;
  }
}