:root {
  --background: 0 0% 100%;
  --foreground: 240 10% 3.9%;
  --card: 0 0% 100%;
  --card-foreground: 240 10% 3.9%;
  --primary: 240 5.9% 10%;
  --primary-foreground: 0 0% 98%;
  --secondary: 240 4.8% 95.9%;
  --secondary-foreground: 240 5.9% 10%;
  --muted: 240 4.8% 95.9%;
  --muted-foreground: 240 3.8% 46.1%;
  --accent: 240 4.8% 95.9%;
  --accent-foreground: 240 5.9% 10%;
  --border: 240 5.9% 90%;
  --ring: 240 5.9% 10%;
  --radius: 0.5rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: 240 10% 3.9%;
    --foreground: 0 0% 98%;
    --card: 240 10% 3.9%;
    --card-foreground: 0 0% 98%;
    --primary: 0 0% 98%;
    --primary-foreground: 240 5.9% 10%;
    --secondary: 240 3.7% 15.9%;
    --secondary-foreground: 0 0% 98%;
    --muted: 240 3.7% 15.9%;
    --muted-foreground: 240 5% 64.9%;
    --accent: 240 3.7% 15.9%;
    --accent-foreground: 0 0% 98%;
    --border: 240 3.7% 15.9%;
    --ring: 240 4.9% 83.9%;
  }
}

* { font-family: 'Inter', system-ui, sans-serif; }
body { background-color: hsl(var(--background)); color: hsl(var(--foreground)); }

.text-muted { color: hsl(var(--muted-foreground)); }
.bg-muted { background-color: hsl(var(--muted)); }
.bg-card { background-color: hsl(var(--card)); }
.border-default { border-color: hsl(var(--border)); }
.bg-primary { background-color: hsl(var(--primary)); }
.text-primary-foreground { color: hsl(var(--primary-foreground)); }

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }

.seg { transition: color .15s ease, background-color .15s ease, box-shadow .15s ease; }
.seg.active {
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.08);
}

.shop-item.done { text-decoration: line-through; opacity: 0.45; }

@media print {
  .no-print { display: none !important; }
  body { background: #fff !important; }
  main { max-width: 100% !important; padding: 0 !important; }
  section { break-inside: avoid; }
}