/* --- Saanvi AI Ultra – World-class polish pack --- */
:root{--chip:#151233;--accent:#4ea3ff;--glass:rgba(255,255,255,.08)}
.logo{display:block;margin:12px auto 20px;max-width:84vw;width:280px;height:auto;animation:spin 9s linear infinite}
.logo:hover{filter:drop-shadow(0 10px 26px rgba(0,0,0,.35));transform:scale(1.03)}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}

/* chips, cards already exist; just small upgrades */
.chip{background:var(--chip);border:1px solid var(--glass);padding:7px 12px;border-radius:9999px;font-size:13px;opacity:.95}

/* Back-to-top floating button */
#toTop{position:fixed;right:18px;bottom:96px;width:44px;height:44px;border-radius:50%;
background:linear-gradient(135deg,#61dfff,#7d76ff 60%,#251e7a);color:#fff;border:0;
display:none;align-items:center;justify-content:center;box-shadow:0 10px 20px rgba(0,0,0,.35);z-index:9999}
#toTop.show{display:flex}
#toTop svg{width:22px;height:22px}