:root {
  --background: 176 44% 96%;
  --foreground: 190 42% 12%;
  --primary: 174 74% 30%;
  --primary-foreground: 0 0% 100%;
  --secondary: 43 95% 58%;
  --secondary-foreground: 32 55% 14%;
  --muted: 180 22% 88%;
  --muted-foreground: 188 20% 38%;
  --destructive: 7 78% 52%;
  --destructive-foreground: 0 0% 100%;
  --border: 181 23% 82%;
  --card: 0 0% 100%;
  --shadow-sm: 0 8px 20px hsl(188 42% 18% / 0.08);
  --shadow-md: 0 18px 45px hsl(188 42% 18% / 0.12);
  --shadow-lg: 0 28px 70px hsl(188 42% 18% / 0.18);
  --transition-fast: 140ms ease;
  --transition-smooth: 260ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 0.75rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.6rem;
}

.dark {
  --background: 190 42% 8%;
  --foreground: 176 30% 94%;
  --primary: 174 70% 44%;
  --primary-foreground: 190 42% 8%;
  --secondary: 43 92% 62%;
  --secondary-foreground: 32 55% 12%;
  --muted: 190 28% 16%;
  --muted-foreground: 182 18% 72%;
  --destructive: 5 76% 58%;
  --destructive-foreground: 0 0% 100%;
  --border: 187 24% 24%;
  --card: 190 36% 11%;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: hsl(var(--background));
}

body {
  margin: 0;
  min-height: 100vh;
  color: hsl(var(--foreground));
  background:
    radial-gradient(circle at top left, hsl(var(--secondary) / 0.24), transparent 32rem),
    radial-gradient(circle at top right, hsl(var(--primary) / 0.18), transparent 28rem),
    hsl(var(--background));
  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);
}

.bg-1 { background: hsl(var(--background)); }
.bg-2 { background: hsl(var(--card)); }
.bg-3 { background: hsl(var(--muted)); }
.bg-4 { background: hsl(var(--primary) / 0.1); }
.text-primary { color: hsl(var(--foreground)); }
.text-secondary { color: hsl(var(--muted-foreground)); }
.text-tertiary { color: hsl(var(--foreground) / 0.68); }
.accent { color: hsl(var(--primary)); }

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

.safe-bottom {
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
}

.safe-top {
  padding-top: env(safe-area-inset-top);
}

.focus-ring:focus-visible {
  outline: 3px solid hsl(var(--secondary) / 0.85);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}