:root {
  --background: 48 100% 98%;
  --foreground: 220 28% 12%;
  --primary: 219 100% 31%;
  --primary-foreground: 0 0% 100%;
  --secondary: 47 100% 52%;
  --secondary-foreground: 220 28% 12%;
  --muted: 42 28% 90%;
  --muted-foreground: 220 10% 38%;
  --destructive: 0 76% 48%;
  --destructive-foreground: 0 0% 100%;
  --border: 42 24% 82%;
  --card: 0 0% 100%;
  --shadow-sm: 0 2px 10px hsl(220 28% 12% / 0.08);
  --shadow-md: 0 12px 28px hsl(220 28% 12% / 0.12);
  --shadow-lg: 0 24px 60px hsl(220 28% 12% / 0.18);
  --transition-fast: 160ms ease;
  --transition-smooth: 260ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
}
.dark {
  --background: 220 28% 8%;
  --foreground: 48 100% 96%;
  --primary: 217 96% 58%;
  --primary-foreground: 0 0% 100%;
  --secondary: 47 100% 55%;
  --secondary-foreground: 220 28% 10%;
  --muted: 220 18% 18%;
  --muted-foreground: 220 10% 72%;
  --destructive: 0 72% 55%;
  --destructive-foreground: 0 0% 100%;
  --border: 220 16% 24%;
  --card: 220 24% 12%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
}
button, a, input { -webkit-tap-highlight-color: transparent; }
input, select, textarea { font-size: max(16px, 1rem); }
.focus-ring:focus-visible { outline: 3px solid hsl(var(--secondary)); outline-offset: 3px; }
.bg-1 { background: hsl(var(--background)); }
.bg-2 { background: hsl(var(--card)); }
.bg-3 { background: hsl(var(--muted)); }
.bg-4 { background: hsl(var(--primary)); }
.text-primary { color: hsl(var(--foreground)); }
.text-secondary { color: hsl(var(--muted-foreground)); }
.text-tertiary { color: hsl(var(--primary)); }
.accent { color: hsl(var(--secondary)); }
.safe-bottom { padding-bottom: calc(0.75rem + env(safe-area-inset-bottom)); }
.product-art { background-image: radial-gradient(circle at 20% 20%, hsl(var(--secondary) / .85), transparent 28%), linear-gradient(135deg, hsl(var(--muted)), hsl(var(--card))); }
.hero-grid { background-image: linear-gradient(hsl(var(--border) / .45) 1px, transparent 1px), linear-gradient(90deg, hsl(var(--border) / .45) 1px, transparent 1px); background-size: 28px 28px; }