:root {
  --background: 48 42% 96%;
  --foreground: 142 26% 15%;
  --primary: 139 34% 30%;
  --primary-foreground: 48 42% 96%;
  --secondary: 36 37% 76%;
  --secondary-foreground: 142 26% 15%;
  --muted: 92 22% 88%;
  --muted-foreground: 135 12% 38%;
  --destructive: 4 68% 46%;
  --destructive-foreground: 48 42% 96%;
  --border: 94 18% 78%;
  --card: 48 47% 99%;
  --shadow-sm: 0 4px 12px rgba(31, 51, 38, 0.08);
  --shadow-md: 0 14px 34px rgba(31, 51, 38, 0.12);
  --shadow-lg: 0 24px 70px rgba(31, 51, 38, 0.18);
  --transition-fast: 160ms ease;
  --transition-smooth: 280ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 0.75rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.65rem;
}
.dark {
  --background: 142 24% 8%;
  --foreground: 48 35% 92%;
  --primary: 132 35% 58%;
  --primary-foreground: 142 24% 8%;
  --secondary: 35 22% 25%;
  --secondary-foreground: 48 35% 92%;
  --muted: 142 16% 17%;
  --muted-foreground: 95 12% 72%;
  --destructive: 4 72% 60%;
  --destructive-foreground: 142 24% 8%;
  --border: 142 14% 24%;
  --card: 142 22% 11%;
}
* { 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));
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.leaf-bg {
  background:
    radial-gradient(circle at 12% 18%, hsl(var(--primary) / 0.20), transparent 28%),
    radial-gradient(circle at 88% 10%, hsl(var(--secondary) / 0.40), transparent 26%),
    radial-gradient(circle at 52% 62%, hsl(178 55% 64% / 0.13), transparent 24%),
    linear-gradient(135deg, hsl(var(--background)), hsl(var(--muted) / 0.72));
}
.plant-art {
  background:
    radial-gradient(ellipse at 50% 92%, hsl(var(--secondary)), transparent 24%),
    radial-gradient(ellipse at 36% 38%, hsl(var(--primary) / 0.95), transparent 23%),
    radial-gradient(ellipse at 64% 34%, hsl(var(--primary) / 0.82), transparent 22%),
    radial-gradient(ellipse at 50% 22%, hsl(var(--primary) / 0.68), transparent 18%),
    linear-gradient(160deg, hsl(var(--muted)), hsl(var(--card)));
}
.glass-card { background: hsl(var(--card) / 0.62); border: 1px solid hsl(var(--border)); backdrop-filter: blur(18px); }
.holo-glow { position: relative; overflow: hidden; }
.holo-glow::after { content: ""; position: absolute; inset: -40%; background: linear-gradient(120deg, transparent 35%, hsl(170 70% 72% / 0.20), transparent 60%); transform: rotate(18deg); animation: scan 4.5s linear infinite; pointer-events: none; }
.animate-rise { animation: rise .55s var(--transition-smooth) both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scan { from { translate: -45% 0; } to { translate: 45% 0; } }
.focus-ring:focus { outline: 3px solid hsl(var(--primary) / 0.28); outline-offset: 2px; }