:root {
  color-scheme: light;
  --color-primary: #22c55e;
  --color-primary-dark: #16a34a;
  --color-primary-light: #86efac;
  --color-accent: #f59e0b;
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-strong: #eef6f1;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: rgba(15, 23, 42, 0.08);
  --color-shadow: rgba(15, 23, 42, 0.08);
  --color-overlay: rgba(255, 255, 255, 0.76);
  --color-danger: #ef4444;
  --color-success: #16a34a;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --radius-sm: 12px;
  --radius-md: 14px;
  --radius-lg: 16px;
  --shadow-1: 0 12px 30px var(--color-shadow);
  --shadow-2: 0 20px 48px rgba(15, 23, 42, 0.12);
  --font-ui: "Avenir Next", "Segoe UI", sans-serif;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-decelerate: cubic-bezier(0, 0, 0, 1);
  --ease-accelerate: cubic-bezier(0.3, 0, 1, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 450ms;
  --duration-stagger: 50ms;
  --content-width: 1200px;
  --header-height: 92px;
  --header-height-compact: 64px;
  --tabbar-height: 84px;
}

body {
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at top right, rgba(34, 197, 94, 0.1), transparent 34%),
    radial-gradient(circle at bottom left, rgba(134, 239, 172, 0.24), transparent 36%),
    linear-gradient(180deg, #fbfffd 0%, #f5f8fb 56%, #f8fafc 100%);
  color: var(--color-text);
}

body.modal-open {
  overflow: hidden;
}

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