/* base styles placeholder; inline styles in layout */
.topnav{display:flex;gap:.5rem;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid #e5e7eb}
.topnav .btn{padding:6px 10px;border:1px solid #e5e7eb;border-radius:6px;text-decoration:none}
.topnav .btn-primary{border-color:#2563eb;background:#2563eb;color:#fff}
.topnav form{display:inline}