:root {
  --background: 42 33% 96%;
  --foreground: 220 23% 14%;
  --primary: 26 91% 56%;
  --secondary: 173 47% 37%;
  --muted: 36 20% 85%;
  --destructive: 2 75% 56%;
  --border: 32 19% 80%;
  --card: 0 0% 100%;
  --shadow-sm: 0 8px 20px hsla(220, 35%, 10%, 0.06);
  --shadow-md: 0 18px 40px hsla(220, 35%, 10%, 0.1);
  --shadow-lg: 0 30px 80px hsla(220, 35%, 10%, 0.14);
  --transition-fast: 150ms ease;
  --transition-smooth: 260ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
}

.dark {
  --background: 220 24% 10%;
  --foreground: 38 31% 94%;
  --primary: 28 92% 61%;
  --secondary: 173 48% 48%;
  --muted: 220 16% 20%;
  --destructive: 3 80% 62%;
  --border: 220 15% 24%;
  --card: 220 22% 13%;
  --shadow-sm: 0 8px 24px hsla(220, 50%, 3%, 0.28);
  --shadow-md: 0 20px 50px hsla(220, 50%, 2%, 0.34);
  --shadow-lg: 0 38px 90px hsla(220, 50%, 2%, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-image:
    radial-gradient(circle at top left, hsla(var(--primary), 0.1), transparent 28%),
    radial-gradient(circle at bottom right, hsla(var(--secondary), 0.08), transparent 24%);
}

#root {
  min-height: 100vh;
}

button,
a,
input,
textarea {
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-smooth), transform var(--transition-fast), opacity var(--transition-fast);
}

input,
textarea,
button {
  font: inherit;
}

textarea {
  resize: vertical;
}

::selection {
  background: hsla(var(--primary), 0.24);
}