:root {
  color-scheme: light;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --text: #111827;
  --text-muted: #6b7280;
  --bg: #ffffff;
  --border: #e5e7eb;
  --radius: 8px;
}

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

html {
  background: var(--bg);
}

body {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  color: var(--text);
  background: var(--bg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

#google_translate_element {
  display: flex;
  justify-content: flex-end;
  padding: 8px 0;
}

.topics {
  display: flex;
  flex-wrap: wrap;
  gap: 50px 80px;
  padding: 60px 0 100px;
  border-top: 1px solid var(--border);
}

.topics a {
  display: inline-block;
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.topics a:hover {
  color: var(--text-muted);
}

footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (max-width: 560px) {
  body {
    padding: 0 16px;
  }

  .topics {
    gap: 8px;
    padding: 28px 0 40px;
  }

  .topics a {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
}