.requestMessaging {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: 600px;
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4);
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
}

.headerContent {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.headerIcon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--primary);
  color: var(--primary-foreground);
  border-radius: var(--radius-full);
}

.headerInfo {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  font-family: var(--font-family-heading);
}

.participants {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.closeButton {
  flex-shrink: 0;
}

.messageList {
  flex: 1;
  min-height: 0;
}

.errorContainer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--error);
  color: var(--error-foreground);
  border-bottom: 1px solid var(--border);
}

.errorMessage {
  margin: 0;
  font-size: 0.875rem;
}

.sendErrorContainer {
  padding: var(--spacing-2) var(--spacing-4);
  background-color: color-mix(in srgb, var(--error) 10%, transparent);
  border-bottom: 1px solid var(--border);
}

.sendErrorMessage {
  margin: 0;
  font-size: 0.875rem;
  color: var(--error);
  text-align: center;
}

.messageInput {
  flex-shrink: 0;
}

/* Responsive design */
@media (max-width: 768px) {
  .requestMessaging {
    max-height: 500px;
  }
  
  .header {
    padding: var(--spacing-3);
  }
  
  .headerInfo {
    gap: 0;
  }
  
  .title {
    font-size: 1rem;
  }
  
  .participants {
    font-size: 0.8125rem;
  }
}

/* Dark mode adjustments */
:global(.dark) .requestMessaging {
  background-color: var(--card);
  border-color: var(--border);
}

:global(.dark) .header {
  background-color: var(--surface);
  border-bottom-color: var(--border);
}

:global(.dark) .headerIcon {
  background-color: var(--primary);
  color: var(--primary-foreground);
}