:root {
  color-scheme: light;
  --color-canvas: #f4f6f8;
  --color-surface: #ffffff;
  --color-surface-subtle: #f8fafc;
  --color-surface-strong: #eef2f6;
  --color-ink: #111827;
  --color-ink-soft: #344054;
  --color-muted: #667085;
  --color-muted-light: #98a2b3;
  --color-border: #e4e7ec;
  --color-border-strong: #d0d5dd;
  --color-primary: #111827;
  --color-primary-hover: #273244;
  --color-brand: #1769e0;
  --color-brand-hover: #1259c4;
  --color-brand-soft: #edf5ff;
  --color-success: #067647;
  --color-success-soft: #ecfdf3;
  --color-warning: #b54708;
  --color-warning-soft: #fffaeb;
  --color-danger: #b42318;
  --color-danger-soft: #fef3f2;
  --color-info: #175cd3;
  --color-info-soft: #eff8ff;
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 12px 30px rgba(16, 24, 40, 0.1);
  --shadow-lg: 0 24px 64px rgba(16, 24, 40, 0.16);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-pill: 999px;
  --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;
  --font-sans: Inter, "SF Pro Text", "SF Pro Display", ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --motion-fast: 160ms;
  --motion-base: 220ms;
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--color-canvas);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100dvh;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
[role="button"] {
  touch-action: manipulation;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

::selection {
  background: #cfe3ff;
  color: var(--color-ink);
}

:focus-visible {
  outline: 3px solid rgba(23, 105, 224, 0.24);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}