.scroll-top{background:linear-gradient(135deg,var(--accent)0%,var(--accent-dark)100%);color:#fff;cursor:pointer;z-index:1002;opacity:0;border:none;border-radius:50%;justify-content:center;align-items:center;width:55px;height:55px;font-size:1.5rem;font-weight:700;transition:all .3s cubic-bezier(.4,0,.2,1);display:none;position:fixed;bottom:2rem;right:2rem;transform:translateY(100px)scale(.5);box-shadow:0 4px 20px #ff6b6b66}.scroll-top.visible{opacity:1;display:flex;transform:translateY(0)scale(1)}.scroll-top:hover{background:linear-gradient(135deg,var(--accent-dark)0%,#ff3838 100%);transform:translateY(-5px)scale(1.05);box-shadow:0 8px 25px #ff6b6b80}.scroll-top:active{transform:translateY(-2px)scale(.95)}@media (max-width:768px){.scroll-top{width:50px;height:50px;font-size:1.25rem;bottom:1rem;right:1rem}}