:root {
  --background: 210 44% 98%;
  --foreground: 218 45% 11%;
  --primary: 174 74% 34%;
  --primary-foreground: 0 0% 100%;
  --secondary: 218 72% 18%;
  --secondary-foreground: 0 0% 100%;
  --muted: 210 22% 91%;
  --muted-foreground: 216 15% 40%;
  --destructive: 5 78% 54%;
  --destructive-foreground: 0 0% 100%;
  --border: 212 24% 84%;
  --card: 0 0% 100%;
  --accent: 38 92% 55%;
  --shadow-sm: 0 6px 18px rgba(7, 17, 31, 0.08);
  --shadow-md: 0 18px 50px rgba(7, 17, 31, 0.12);
  --shadow-lg: 0 30px 90px rgba(7, 17, 31, 0.18);
  --transition-fast: 160ms ease;
  --transition-smooth: 280ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
}
.dark {
  --background: 218 45% 8%;
  --foreground: 210 35% 96%;
  --primary: 174 72% 46%;
  --primary-foreground: 218 45% 8%;
  --secondary: 215 30% 18%;
  --secondary-foreground: 210 35% 96%;
  --muted: 216 28% 16%;
  --muted-foreground: 214 18% 72%;
  --destructive: 5 78% 58%;
  --destructive-foreground: 0 0% 100%;
  --border: 216 22% 24%;
  --card: 218 38% 11%;
  --accent: 38 92% 58%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: hsl(var(--foreground));
  background:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.16), transparent 34rem),
    radial-gradient(circle at 90% 15%, hsl(var(--accent) / 0.16), transparent 30rem),
    hsl(var(--background));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, a, input, select { transition: var(--transition-fast); }
input, select, textarea { font-size: max(16px, 1rem); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid hsl(var(--primary) / 0.35);
  outline-offset: 3px;
}
.glass {
  background: hsl(var(--card) / 0.82);
  backdrop-filter: blur(18px);
  border: 1px solid hsl(var(--border) / 0.72);
  box-shadow: var(--shadow-sm);
}
.hero-grid {
  background-image: linear-gradient(hsl(var(--border) / 0.45) 1px, transparent 1px), linear-gradient(90deg, hsl(var(--border) / 0.45) 1px, transparent 1px);
  background-size: 34px 34px;
}
.safe-bottom { padding-bottom: calc(0.85rem + env(safe-area-inset-bottom)); }
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }