@import url("https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap");

:root {
  color-scheme: dark;
  font-size: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  color: inherit;
  font-family: "Share Tech Mono", monospace;
  letter-spacing: 0.02em;
}

body {
  min-height: 100vh;
  background: #000;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid #fff;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.6;
}

main {
  width: min(640px, 100%);
  border: 2px solid #fff;
  padding: 2rem;
  background: #111;
}

h1 {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  text-align: center;
  margin-bottom: 2rem;
  letter-spacing: 0.08em;
}

ul {
  list-style: none;
  display: grid;
  gap: 1rem;
}

button,
input,
textarea {
  background: #111;
  border: 1px solid #fff;
  padding: 0.5rem 1rem;
  color: #fff;
}

button {
  cursor: pointer;
  background: #fff;
  color: #000;
  transition: opacity 0.2s ease;
}

button:hover {
  opacity: 0.8;
}

button:active {
  transform: scale(0.98);
}

article,
form,
section,
canvas,
#game-container {
  border: 1px solid #fff;
  padding: 1rem;
  margin-top: 1.5rem;
  background: #222;
}

p,
li,
label {
  line-height: 1.6;
}

/* Mobile optimizations */
@media (max-width: 640px) {
  body {
    padding: 1rem;
  }
  
  main {
    padding: 1.5rem;
  }
  
  button {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }
}