:root {
  --background: 210 34% 96%;
  --foreground: 219 34% 12%;
  --primary: 184 86% 32%;
  --primary-foreground: 0 0% 100%;
  --secondary: 214 28% 90%;
  --muted: 216 14% 42%;
  --destructive: 352 78% 48%;
  --destructive-foreground: 0 0% 100%;
  --border: 215 22% 82%;
  --card: 0 0% 100%;
  --shadow-sm: 0 4px 14px hsl(219 34% 12% / 0.08);
  --shadow-md: 0 14px 34px hsl(219 34% 12% / 0.12);
  --shadow-lg: 0 -10px 30px hsl(219 34% 12% / 0.16);
  --transition-fast: 120ms ease;
  --transition-smooth: 220ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 0.45rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.1rem;
}
.dark {
  --background: 222 47% 7%;
  --foreground: 210 40% 96%;
  --primary: 178 84% 46%;
  --primary-foreground: 222 47% 7%;
  --secondary: 220 33% 13%;
  --muted: 217 17% 67%;
  --destructive: 354 78% 58%;
  --destructive-foreground: 0 0% 100%;
  --border: 218 28% 20%;
  --card: 222 42% 10%;
  --shadow-sm: 0 4px 16px hsl(0 0% 0% / 0.22);
  --shadow-md: 0 18px 44px hsl(0 0% 0% / 0.34);
  --shadow-lg: 0 -10px 30px hsl(0 0% 0% / 0.42);
}
* { 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)); }
button, a, input, textarea, select { transition: var(--transition-smooth); }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid hsl(var(--primary)); outline-offset: 2px; }
.btn-soft { display: inline-flex; align-items: center; gap: .45rem; border: 1px solid hsl(var(--border)); border-radius: var(--radius-md); padding: .62rem .82rem; font-weight: 700; font-size: .875rem; background: hsl(var(--background)); color: hsl(var(--foreground)); }
.btn-soft:hover { background: hsl(var(--secondary)); transform: translateY(-1px); }
.btn-primary { display: inline-flex; align-items: center; gap: .45rem; border-radius: var(--radius-md); padding: .62rem .82rem; font-weight: 800; font-size: .875rem; background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-1px) scale(1.01); box-shadow: var(--shadow-md); }
.btn-danger { display: inline-flex; align-items: center; gap: .45rem; border-radius: var(--radius-md); padding: .62rem .82rem; font-weight: 800; font-size: .875rem; background: hsl(var(--destructive)); color: hsl(var(--destructive-foreground)); }
.btn-danger:hover { transform: translateY(-1px); filter: brightness(1.05); }
::selection { background: hsl(var(--primary) / .35); }