:root {
  --primary: #4285f4;
  --dark: #1a1a2e;
  --light: #f5f5f5;
  --gray: #e6e6e6;
  --text: #333;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--light);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  background-color: var(--dark);
  color: white;
  padding: 2rem 0;
  text-align: center;
}

.header h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.header h1 span {
  color: var(--primary);
}

.header p {
  font-size: 1.2rem;
  opacity: 0.9;
}

.navbar {
  background-color: white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar ul {
  display: flex;
  list-style: none;
}

.navbar a {
  display: block;
  padding: 1.2rem 1.5rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: all 0.3s ease;
}

.navbar a:hover {
  color: var(--primary);
}

main {
  padding: 2rem 0;
}

section {
  margin-bottom: 3rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gray);
}

h3 {
  font-size: 1.5rem;
  margin: 1.5rem 0 1rem;
}

pre {
  background-color: #f8f8f8;
  border-radius: 4px;
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}

code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
}

.code-tabs {
  display: flex;
  margin-bottom: -1px;
}

.code-tabs button {
  padding: 0.5rem 1rem;
  background: var(--gray);
  border: none;
  cursor: pointer;
  border-radius: 4px 4px 0 0;
  margin-right: 5px;
}

.code-tabs button.active {
  background: #f8f8f8;
}

.code-content {
  display: none;
}

.code-content.active {
  display: block;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.example-card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.example-output {
  min-height: 100px;
  border: 1px dashed var(--gray);
  margin: 1rem 0;
  padding: 1rem;
  border-radius: 4px;
}

.run-example {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  margin-bottom: 1rem;
  transition: background 0.3s;
}

.run-example:hover {
  background: #3367d6;
}

.api-table {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--gray);
}

th {
  background-color: var(--primary);
  color: white;
}

tr:nth-child(even) {
  background-color: #f9f9f9;
}

.download-options {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.download-btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s;
}

.download-btn:hover {
  background: #3367d6;
}

footer {
  background: var(--dark);
  color: white;
  text-align: center;
  padding: 1.5rem 0;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .navbar ul {
    flex-direction: column;
  }
  
  .example-grid {
    grid-template-columns: 1fr;
  }
}