/* theme.css */
:root {
  /* Colors */
  --primary-color: #E01022; /* RedMarble primary red */
  --secondary-color: #1F2937; /* Dark gray for secondary elements */
  --background-color: #FFFFFF;
  --text-color: #1F2937; /* Dark gray for text */
  --user-message-bg: #F3F4F6; /* Light gray for user messages */
  --bot-message-bg: #FDE8EA; /* Light red for bot messages */
  --input-background: #FFFFFF;
  --border-color: #E5E7EB; /* Light gray for borders */
  --button-color: #E01022; /* RedMarble red for buttons */
  --button-text-color: #FFFFFF; /* White text on red buttons */

  /* Typography */
  --font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-size-small: 12px;
  --font-size-base: 14px;
  --font-size-large: 16px;
  --font-weight-normal: 400;
  --font-weight-medium: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 0.1s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Avatar bg reference local image */
  --avatar-bg: url('../assets/Symbol-Connectome-Red.png');
  --avatar-size: 40px;

  --tab-icon-size: 18px;
  --tab-icon-size-sm: 12px;

  --active-tab-color: #E01022;
}