/* Toss-style Design System */
:root {
  /* Primary Colors - Toss Blue */
  --toss-blue: #3182f6;
  --toss-blue-light: #4990f7;
  --toss-blue-dark: #1b64da;
  --toss-blue-bg: #e8f3ff;
  --toss-blue-50: #f2f7ff;

  /* Semantic Colors */
  --success: #00c853;
  --success-bg: #e5f9ed;
  --warning: #ff9100;
  --warning-bg: #fff3e0;
  --error: #f44336;
  --error-bg: #ffebee;

  /* Gray Scale - Toss Style */
  --gray-50: #f9fafb;
  --gray-100: #f2f4f6;
  --gray-200: #e5e8eb;
  --gray-300: #d1d6db;
  --gray-400: #b0b8c1;
  --gray-500: #8b95a1;
  --gray-600: #6b7684;
  --gray-700: #4e5968;
  --gray-800: #333d4b;
  --gray-900: #191f28;

  /* Background */
  --bg-primary: #ffffff;
  --bg-secondary: #f2f4f6;
  --bg-tertiary: #e5e8eb;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Pretendard Variable', Pretendard, Roboto, 'Noto Sans KR', 'Segoe UI', 'Malgun Gothic', sans-serif;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.35s ease;
}

/* Reset */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-secondary);
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}