* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui, sans-serif; line-height: 1.6; color: #333; max-width: 800px; margin: 0 auto; padding: 2rem; }
nav { display: flex; gap: 1rem; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid #eee; }
nav a { text-decoration: none; color: #0066cc; }
nav a:hover { text-decoration: underline; }
h1 { margin-bottom: 1rem; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid #eee; color: #999; font-size: 0.85rem; }
.go-buttons { display: flex; gap: 1rem; margin-top: 2rem; }
.go-buttons form { margin: 0; }
.btn { display: inline-block; padding: 0.75rem 2rem; border: none; border-radius: 6px; font-size: 1rem; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn-primary { background: #0066cc; color: #fff; }
.btn-primary:hover { background: #0052a3; }
.btn-secondary { background: #e8e8e8; color: #333; }
.btn-secondary:hover { background: #d0d0d0; }