/* ==========================================================
   SCROLL TOP — floating "back to top" button, bottom-right.
   Part of the CiaoCity modular stylesheet system.
   ========================================================== */

.scroll-top-btn {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: white;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
    z-index: 400;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.25s ease;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

body.cookie-banner-active .scroll-top-btn.visible {
    bottom: 100px;
}