index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  color-scheme: dark;
  --bg-color: #0a0a0a;
  --text-color: #f0f0f0;
  --primary-color: #147dec;
  --secondary-color: #29a2c1;
}

a {
  font-weight: 500;
  color: #646cff;
  text-decoration: inherit;
}
a:hover {
  color: #535bf2;
}

body {
  margin: 0;
  display: flex;
  place-items: center;
  min-width: 320px;
  min-height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu,
    Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  padding: 0;
}

h1 {
  font-size: 3.2em;
  line-height: 1.1;
}

button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: border-color 0.25s;
}
button:hover {
  border-color: #646cff;
}
button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

@layer components {
  .container {
    @apply max-w-7xl mx-auto px-4 sm:px-6 lg:px-8;
  }

  .btn-primary {
    @apply bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-md transition-colors;
  }

  .btn-secondary {
    @apply bg-transparent border border-blue-600 text-blue-600 hover:bg-blue-600/10 px-4 py-2 rounded-md transition-colors;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    color: #213547;
    background-color: #ffffff;
  }
  a:hover {
    color: #747bff;
  }
  button {
    background-color: #f9f9f9;
  }
}