/* ✅ 10 — Header Back Button */
.top a{ width:42px; height:42px; border-radius:13px; background:var(--card); border:1px solid var(--border);
    display:flex; align-items:center; justify-content:center; color:var(--gold); text-decoration:none; font-size:19px;
    box-shadow: 0 2px 8px rgba(0,0,0,.3); transition: transform .15s ease; }
.top a:active { transform: scale(.92); }