.wcjp-sticky {
    position: fixed;
    bottom: max(20px, env(safe-area-inset-bottom));
    z-index: 999999;
    box-sizing: border-box;
    font-family: inherit;
    transition: opacity .2s ease, transform .2s ease;
}

.wcjp-sticky.wcjp-right { right: 20px; }
.wcjp-sticky.wcjp-left { left: 20px; }

.wcjp-sticky-link {
    display: flex;
    align-items: center;
    gap: 12px;
    width: max-content;
    max-width: min(340px, calc(100vw - 40px));
    padding: 11px 16px 11px 11px;
    border: 1px solid rgba(0,0,0,.06);
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 10px 35px rgba(0,0,0,.18);
    color: #111 !important;
    text-decoration: none !important;
    transition: transform .18s ease, box-shadow .18s ease;
}

.wcjp-sticky-link:hover,
.wcjp-sticky-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 14px 40px rgba(0,0,0,.22);
    outline: none;
}

.wcjp-sticky-link:focus-visible {
    box-shadow: 0 0 0 3px rgba(37,211,102,.28), 0 14px 40px rgba(0,0,0,.22);
}

.wcjp-icon {
    flex: 0 0 50px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #25D366;
    box-shadow: 0 6px 16px rgba(37,211,102,.28);
}

.wcjp-icon svg {
    width: 31px;
    height: 31px;
    fill: #fff;
}

.wcjp-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.wcjp-title {
    overflow: hidden;
    color: #171717;
    font-size: 14px;
    line-height: 1.25;
    font-weight: 600;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.wcjp-cta {
    color: #128C4A;
    font-size: 13px;
    line-height: 1.3;
    font-weight: 800;
}

@media (max-width: 768px) {
    .wcjp-sticky {
        bottom: max(var(--wcjp-mobile-bottom, 76px), env(safe-area-inset-bottom));
    }

    .wcjp-sticky.wcjp-right { right: 14px; }
    .wcjp-sticky.wcjp-left { left: 14px; }

    .wcjp-sticky-link {
        max-width: calc(100vw - 28px);
        padding: 9px 14px 9px 9px;
        gap: 10px;
    }

    .wcjp-icon {
        flex-basis: 46px;
        width: 46px;
        height: 46px;
    }

    .wcjp-icon svg {
        width: 29px;
        height: 29px;
    }

    .wcjp-title { font-size: 13px; }
    .wcjp-cta { font-size: 12.5px; }

    .wcjp-compact-mobile .wcjp-sticky-link {
        width: 56px;
        height: 56px;
        max-width: none;
        padding: 0;
        justify-content: center;
        border: 0;
        background: #25D366;
        box-shadow: 0 8px 24px rgba(0,0,0,.22);
    }

    .wcjp-compact-mobile .wcjp-icon {
        flex: 0 0 56px;
        width: 56px;
        height: 56px;
        background: transparent;
        box-shadow: none;
    }

    .wcjp-compact-mobile .wcjp-icon svg {
        width: 34px;
        height: 34px;
    }

    .wcjp-compact-mobile .wcjp-copy {
        display: none;
    }

    .wcjp-hide-at-footer.wcjp-footer-visible {
        opacity: 0;
        transform: translateY(12px);
        pointer-events: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .wcjp-sticky,
    .wcjp-sticky-link { transition: none; }
}