@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500&family=Noto+Sans+SC:wght@400;500&display=swap');

:root {
  /* Colors */
  --color-primary-50: #EEF0FE;
  --color-primary-100: #DBE0FB;
  --color-primary-500: #4A6CF7;
  --color-primary-700: #3B56D6;
  --color-primary-900: #1E2D7C;

  --color-accent-100: #FEF3D7;
  --color-accent-500: #F5A623;
  --color-accent-900: #7A5310;

  --color-neutral-0: #FFFFFF;
  --color-neutral-50: #F9FAFB;
  --color-neutral-100: #F3F4F6;
  --color-neutral-200: #E5E7EB;
  --color-neutral-300: #D1D5DB;
  --color-neutral-500: #6B7280;
  --color-neutral-700: #374151;
  --color-neutral-900: #111827;

  --color-success-100: #D1FAE5;
  --color-success-700: #047857;
  --color-warning-100: #FEF3C7;
  --color-warning-700: #92400E;

  /* Fonts */
  --font-sans: "Noto Sans SC", "PingFang SC", -apple-system, "Helvetica Neue", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
  --font-mono: "DIN", "Noto Sans SC", sans-serif;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  color: var(--color-neutral-700);
  background: var(--color-neutral-0);
  -webkit-font-smoothing: antialiased;
}

.serif { font-family: var(--font-serif); }
.sans  { font-family: var(--font-sans); }