:root {
  --background: 172 45% 97%;
  --foreground: 215 35% 13%;
  --primary: 174 78% 32%;
  --primary-foreground: 0 0% 100%;
  --secondary: 37 92% 58%;
  --secondary-foreground: 220 35% 12%;
  --muted: 178 22% 88%;
  --muted-foreground: 215 15% 42%;
  --destructive: 356 76% 56%;
  --destructive-foreground: 0 0% 100%;
  --border: 178 22% 82%;
  --card: 0 0% 100%;
  --shadow-sm: 0 6px 18px rgba(17, 94, 89, 0.08);
  --shadow-md: 0 14px 38px rgba(17, 94, 89, 0.13);
  --shadow-lg: 0 24px 70px rgba(17, 94, 89, 0.18);
  --transition-fast: 80ms ease;
  --transition-smooth: 120ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

.dark {
  --background: 218 35% 8%;
  --foreground: 180 28% 94%;
  --primary: 174 72% 45%;
  --primary-foreground: 215 35% 9%;
  --secondary: 39 88% 62%;
  --secondary-foreground: 220 35% 10%;
  --muted: 216 25% 17%;
  --muted-foreground: 180 14% 72%;
  --destructive: 356 72% 62%;
  --destructive-foreground: 0 0% 100%;
  --border: 216 22% 22%;
  --card: 218 32% 11%;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.15), transparent 34rem),
    radial-gradient(circle at bottom right, hsl(var(--secondary) / 0.18), transparent 30rem),
    hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, select, textarea { font: inherit; }
button, a { transition: var(--transition-fast); }
:focus-visible { outline: 3px solid hsl(var(--secondary) / 0.65); outline-offset: 2px; }

.card {
  background: hsl(var(--card) / 0.86);
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
}

.soft-grid {
  background-image: linear-gradient(hsl(var(--border) / 0.35) 1px, transparent 1px), linear-gradient(90deg, hsl(var(--border) / 0.35) 1px, transparent 1px);
  background-size: 28px 28px;
}

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }