*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #ffffff;
  --text: #000000;
  --card-bg: #f5f5f5;
  --card-border: #e0e0e0;
  --card-hover: #e0e0e0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --text: #ffffff;
    --card-bg: #1a1a1a;
    --card-border: #333333;
    --card-hover: #333333;
  }
}

html,
body {
  min-height: 100vh;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}

.container {
  max-width: 500px;
  width: 100%;
}

.bg-map {
  position: fixed;
  width: 140%;
  height: 140%;
  top: -20%;
  left: -20%;
  z-index: -1;
  display: grid;
  grid-template: 1fr 1fr / 1fr 1fr;
  overflow: hidden;
  opacity: 0.25;
  will-change: transform;
}

.bg-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

h1 {
  text-align: center;
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  background: var(--card-bg);
  border: 4px solid var(--card-border);
  border-radius: 25px;
  text-decoration: none;
  color: var(--text);
  transition: background 0.4s ease;
}

.card:hover {
  background: var(--card-hover);
}

.card-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}

.card-icon img {
  width: 100%;
  height: 100%;
}

.card-name {
  font-size: 2rem;
}

.usage {
  margin-top: 2rem;
  font-size: 0.9rem;
}

.usage h2 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.usage pre {
  margin: 0.75rem 0;
  overflow-x: auto;
}