/* ✅ 18 — Icon Toggle (Recent/Favorite Buttons) */
.icon-toggle{ width:52px; height:52px; border-radius:17px; background:var(--card); border:1px solid var(--border);
    display:flex; align-items:center; justify-content:center; color:var(--muted); cursor:pointer; flex-shrink:0;
    transition: transform .18s cubic-bezier(.22,1,.36,1), background .2s ease; font-size:19px;
    box-shadow: 0 3px 10px rgba(0,0,0,.3); }
.icon-toggle:active { transform: scale(.92); }