:root {
  --background: 188 52% 96%;
  --foreground: 210 45% 12%;
  --primary: 173 82% 31%;
  --primary-foreground: 0 0% 100%;
  --secondary: 39 95% 88%;
  --secondary-foreground: 31 72% 20%;
  --muted: 187 34% 91%;
  --muted-foreground: 205 22% 39%;
  --destructive: 354 73% 48%;
  --destructive-foreground: 0 0% 100%;
  --border: 188 25% 80%;
  --card: 0 0% 100%;
  --shadow-sm: 0 2px 10px hsl(210 45% 12% / 0.06);
  --shadow-md: 0 12px 30px hsl(210 45% 12% / 0.10);
  --shadow-lg: 0 22px 55px hsl(173 82% 20% / 0.18);
  --transition-fast: 160ms ease;
  --transition-smooth: 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --radius-sm: 0.65rem;
  --radius-md: 1rem;
  --radius-lg: 1.4rem;
}

.dark {
  --background: 206 45% 9%;
  --foreground: 180 35% 94%;
  --primary: 172 78% 44%;
  --primary-foreground: 202 60% 8%;
  --secondary: 35 68% 22%;
  --secondary-foreground: 38 90% 88%;
  --muted: 205 34% 16%;
  --muted-foreground: 190 18% 72%;
  --destructive: 354 74% 58%;
  --destructive-foreground: 0 0% 100%;
  --border: 203 28% 25%;
  --card: 204 44% 12%;
  --shadow-sm: 0 2px 12px hsl(0 0% 0% / 0.22);
  --shadow-md: 0 14px 34px hsl(0 0% 0% / 0.30);
  --shadow-lg: 0 24px 60px hsl(0 0% 0% / 0.38);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.18), transparent 34rem),
    radial-gradient(circle at bottom right, hsl(var(--secondary) / 0.68), transparent 28rem),
    hsl(var(--background));
  color: hsl(var(--foreground));
}

button,
input,
select,
textarea {
  font: inherit;
}

input,
select,
textarea {
  font-size: max(16px, 1rem);
}

button:focus-visible,
[role="button"]:focus-visible,
input:focus-visible {
  outline: 3px solid hsl(var(--primary) / 0.38);
  outline-offset: 3px;
}

.sheet-grid {
  background-image:
    linear-gradient(hsl(var(--primary) / 0.09) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--primary) / 0.09) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

::selection {
  background: hsl(var(--primary) / 0.25);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}