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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fafafa;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background-color: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: #1a1a1a;
}

h2 {
  font-size: 1.3rem;
  margin-top: 30px;
  margin-bottom: 15px;
  color: #2c2c2c;
}

p {
  margin-bottom: 15px;
}

.last-updated {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 30px;
}

.section {
  margin-bottom: 25px;
}

ul {
  margin-left: 20px;
  margin-bottom: 15px;
}

li {
  margin-bottom: 8px;
}

.nav {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.nav a {
  color: #007aff;
  text-decoration: none;
  margin-right: 15px;
}

.nav a:hover {
  text-decoration: underline;
}

.lang-switch {
  text-align: right;
  margin-bottom: 20px;
}

.lang-switch a {
  color: #007aff;
  text-decoration: none;
  font-size: 0.9rem;
}

.lang-switch a:hover {
  text-decoration: underline;
}

/* Index page styles */
.index-section {
  margin-bottom: 40px;
}

.index-section h2 {
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #007aff;
}

.doc-list {
  list-style: none;
  margin-left: 0;
}

.doc-list li {
  margin-bottom: 15px;
}

.doc-list a {
  color: #007aff;
  text-decoration: none;
  font-size: 1.1rem;
}

.doc-list a:hover {
  text-decoration: underline;
}

.app-title {
  text-align: center;
  margin-bottom: 40px;
}

.app-title h1 {
  font-size: 2rem;
  margin-bottom: 5px;
}

.app-title p {
  color: #666;
}

@media (max-width: 600px) {
  body {
    padding: 10px;
  }

  .container {
    padding: 20px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.2rem;
  }
}