:root {
  --background: 38 45% 96%;
  --foreground: 219 31% 14%;
  --primary: 18 76% 48%;
  --primary-foreground: 0 0% 100%;
  --secondary: 178 38% 33%;
  --secondary-foreground: 0 0% 100%;
  --muted: 34 25% 88%;
  --muted-foreground: 218 12% 42%;
  --destructive: 0 72% 50%;
  --destructive-foreground: 0 0% 100%;
  --border: 32 22% 78%;
  --card: 0 0% 100%;
  --shadow-sm: 0 2px 10px hsl(219 31% 14% / 0.08);
  --shadow-md: 0 12px 30px hsl(219 31% 14% / 0.12);
  --shadow-lg: 0 24px 70px hsl(219 31% 14% / 0.18);
  --transition-fast: 150ms ease;
  --transition-smooth: 260ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
}
.dark {
  --background: 220 24% 9%;
  --foreground: 36 34% 94%;
  --primary: 20 82% 57%;
  --primary-foreground: 0 0% 100%;
  --secondary: 177 44% 47%;
  --secondary-foreground: 218 35% 10%;
  --muted: 220 18% 17%;
  --muted-foreground: 35 16% 72%;
  --destructive: 0 72% 56%;
  --destructive-foreground: 0 0% 100%;
  --border: 220 17% 25%;
  --card: 220 22% 13%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, hsl(var(--primary) / 0.16), transparent 35%), hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
input, select, textarea { font-size: max(16px, 1rem); }
.focus-ring:focus-visible { outline: 3px solid hsl(var(--secondary) / 0.45); outline-offset: 2px; }
.safe-bottom { padding-bottom: calc(0.75rem + env(safe-area-inset-bottom)); }
.safe-top { padding-top: env(safe-area-inset-top); }
.card-hover { transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast); }
.card-hover:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }