* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f1a;
  color: #ffffff;
}

a:any-link {
  color: white;
}

header {
  padding: 40px;
  text-align: center;
  background: #10192c;
  border-bottom: 1px solid #24324f;
}

header h1 {
  margin: 0;
  font-size: 48px;
}

header p {
  margin: 10px 0 0;
  opacity: 0.8;
}

nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 15px;
  background: #111827;
  border-bottom: 1px solid #24324f;
}

nav a, .btn {
  color: #ffffff;
  text-decoration: none;
  padding: 8px 14px;
  background: #1f2937;
  border: 1px solid #334155;
}

nav a:hover, .btn:hover {
  background: #273244;
  cursor: pointer;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px;
}

.card {
  background: #111827;
  padding: 20px;
  margin: 15px 0;
  border: 1px solid #24324f;
}

.card h2 {
  margin-top: 0;
}

.card ul,
.card ol {
  margin-top: 10px;
  padding-left: 24px;
}

.card code,
.inline-code {
  font-family: "Courier New", monospace;
  font-size: 0.95em;
  background: #0f172a;
  padding: 2px 6px;
  border: 1px solid #334155;
}

.card-warning {
  background: #3b3b1e;
  border-color: #555233;
}

.api-item {
  padding: 16px 0;
  border-top: 1px solid #24324f;
}

.api-item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.api-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.api-meta {
  margin: 0 0 10px;
  color: #c9d4e8;
}

.api-example {
  margin: 10px 0 0;
  padding: 12px;
  background: #0b1220;
  border: 1px solid #24324f;
  overflow-x: auto;
}

.api-example code {
  background: transparent;
  border: 0;
  padding: 0;
  display: block;
  white-space: pre;
}

.note {
  opacity: 0.85;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.footer {
  text-align: center;
  padding: 20px;
  opacity: 0.6;
  border-top: 1px solid #24324f;
  background: #0f172a;
}

@media (max-width: 720px) {
  header {
    padding: 28px 20px;
  }

  header h1 {
    font-size: 36px;
  }

  nav {
    flex-wrap: wrap;
    gap: 10px;
  }

  .container {
    padding: 20px;
  }

  .two-col {
    grid-template-columns: 1fr;
  }
}