:root {
  --bg-primary: #FAF9F5;
  --bg-secondary: #F5F4ED;
  --bg-tertiary: #EFEEE7;
  --accent: #D97757;
  --accent-light: #F0C9B8;
  --accent-dark: #B95A3C;
  --text-primary: #1A1A1A;
  --text-secondary: #6B6B6B;
  --text-tertiary: #9B9B9B;
  --success: #5BA572;
  --success-bg: #E8F5EC;
  --error: #D9644E;
  --error-bg: #FBEAE7;
  --keyword-stem: #D97757;
  --keyword-answer: #2D6A4F;
  --border: #E5E4DD;
  --shadow: rgba(0,0,0,0.06);
  --radius-card: 16px;
  --radius-button: 12px;
  --radius-option: 10px;
}