:root {
  --background: 262 46% 98%;
  --foreground: 255 29% 16%;
  --primary: 267 84% 61%;
  --secondary: 255 32% 93%;
  --muted: 252 13% 45%;
  --destructive: 0 76% 56%;
  --border: 255 24% 85%;
  --card: 0 0% 100%;
  --shadow-sm: 0 8px 20px hsla(262, 40%, 20%, 0.08);
  --shadow-md: 0 18px 36px hsla(262, 40%, 18%, 0.12);
  --shadow-lg: 0 30px 60px hsla(262, 44%, 18%, 0.18);
  --transition-fast: 160ms ease;
  --transition-smooth: 260ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

.dark {
  --background: 252 28% 10%;
  --foreground: 250 30% 96%;
  --primary: 271 88% 69%;
  --secondary: 251 20% 18%;
  --muted: 250 14% 70%;
  --destructive: 0 78% 64%;
  --border: 249 18% 24%;
  --card: 248 24% 14%;
  --shadow-sm: 0 8px 20px hsla(0, 0%, 0%, 0.24);
  --shadow-md: 0 18px 36px hsla(0, 0%, 0%, 0.34);
  --shadow-lg: 0 30px 60px hsla(0, 0%, 0%, 0.48);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
}

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

::selection {
  background: hsl(var(--primary) / 0.22);
}

.animate-pulse {
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

@keyframes equalize {
  0%,
  100% {
    transform: scaleY(0.55);
  }
  50% {
    transform: scaleY(1);
  }
}

[style*='animationDelay'] {
  animation: equalize 1.1s ease-in-out infinite;
  transform-origin: bottom center;
}

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

input:focus,
textarea:focus,
select:focus {
  box-shadow: 0 0 0 4px hsl(var(--primary) / 0.12);
}