:root {
  --color-primary: #0071e3;
  --color-primary-hover: #0062c3;
  --color-secondary: #5b9f8a;
  --color-accent: #5ac8fa;
  --color-bg: #f5f5f7;
  --color-bg-soft: #eef2f6;
  --color-card: rgba(255, 255, 255, 0.86);
  --color-card-solid: #ffffff;
  --color-text: #1d1d1f;
  --color-text-muted: #6e6e73;
  --color-border: rgba(29, 29, 31, 0.08);
  --color-border-strong: rgba(29, 29, 31, 0.12);
  --color-focus-ring: rgba(0, 113, 227, 0.18);
  --color-primary-soft: rgba(0, 113, 227, 0.08);
  --color-danger: #c77468;
  --color-danger-soft: rgba(199, 116, 104, 0.12);
  --color-chart-grid: rgba(29, 29, 31, 0.08);
  --color-line-strong: #0071e3;
  --color-line-medium: #4f8fdd;
  --color-line-soft: #7aa7df;
  --color-line-muted: #a5bddd;
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 24px 48px rgba(15, 23, 42, 0.08), 0 8px 18px rgba(15, 23, 42, 0.04);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Avenir Next', 'Segoe UI', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(90, 200, 250, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.12), transparent 24%),
    linear-gradient(180deg, #fbfbfd 0%, var(--color-bg) 55%, #eef1f4 100%);
  color: var(--color-text);
}