:root {
  /* Light Theme Variables */
  --bg-color: oklch(98% 0.01 200);
  --text-color: oklch(20% 0.02 200);
  --accent-color: oklch(60% 0.15 250);
  --accent-hover: oklch(50% 0.15 250);
  --card-bg: oklch(100% 0 0);
  --card-border: oklch(90% 0.02 200);
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05), 0 1px 8px rgba(0, 0, 0, 0.02);
  --transition-speed: 0.3s;
}

[data-theme="dark"] {
  /* Dark Theme Variables */
  --bg-color: oklch(15% 0.02 250);
  --text-color: oklch(95% 0.01 250);
  --accent-color: oklch(70% 0.15 250);
  --accent-hover: oklch(80% 0.15 250);
  --card-bg: oklch(22% 0.03 250);
  --card-border: oklch(30% 0.03 250);
  --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 1px 10px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color var(--transition-speed), color var(--transition-speed);
  position: relative;
  overflow: hidden;
}

/* Subtle background texture */
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3BaseFilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/feTurbulence%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

[data-theme="dark"] body::before {
  opacity: 0.05;
}

main {
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}