:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8fafc;
  color: #0f172a;
}

.site-header {
  padding: 1rem;
  background: #e2e8f0;
  border-bottom: 1px solid #cbd5e1;
}

nav {
  display: flex;
  gap: 0.75rem;
}

.content {
  max-width: 680px;
  margin: 3rem auto;
  padding: 0 1rem;
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button,
.nav-button {
  display: inline-block;
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  background: #0f172a;
  color: #ffffff;
}

.button:hover,
.nav-button:hover {
  background: #1e293b;
}

.post {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1rem;
}