/* Scoped styles: no framework, JavaScript, remote fonts, or image requests. */
.pwwb-button {
    --pwwb-size: 62px;
    position: fixed;
    right: 26px;
    bottom: 26px;
    right: calc(26px + env(safe-area-inset-right, 0px));
    bottom: calc(26px + env(safe-area-inset-bottom, 0px));
    z-index: 99999;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--pwwb-size);
    height: var(--pwwb-size);
    padding: 0;
    margin: 0;
    border: 1px solid rgba(255,255,255,.28);
    border-radius: 50%;
    background: linear-gradient(145deg, #25d366 0%, #16b95b 60%, #109c4b 100%);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(7,94,54,.25), inset 0 1px 0 rgba(255,255,255,.25);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    isolation: isolate;
    transition: transform .22s ease, box-shadow .22s ease;
}
.pwwb-button::before {
    content: "";
    position: absolute;
    inset: -1px;
    z-index: -1;
    border: 2px solid #25d366;
    border-radius: inherit;
    pointer-events: none;
    animation: pwwb-pulse 2.8s ease-out infinite;
}
.pwwb-button .pwwb-icon {
    display: block;
    flex: none;
    width: 36px;
    height: 36px;
    margin: 0;
    color: #fff;
    fill: currentColor;
    pointer-events: none;
}
.pwwb-button:visited, .pwwb-button:hover, .pwwb-button:focus {
    color: #fff;
    text-decoration: none;
}
.pwwb-button:focus-visible {
    outline: 3px solid #073e28;
    outline-offset: 5px;
}
@media (hover: hover) {
    .pwwb-button:hover {
        transform: translateY(-4px) scale(1.045);
        box-shadow: 0 12px 30px rgba(7,94,54,.32);
    }
}
.pwwb-button:active { transform: scale(.95); }
@keyframes pwwb-pulse {
    0% { transform: scale(1); opacity: .45; }
    65%, 100% { transform: scale(1.48); opacity: 0; }
}
@media (max-width: 600px) {
    .pwwb-button {
        --pwwb-size: 56px;
        right: 18px;
        bottom: 18px;
        right: calc(18px + env(safe-area-inset-right, 0px));
        bottom: calc(18px + env(safe-area-inset-bottom, 0px));
    }
    .pwwb-button .pwwb-icon { width: 33px; height: 33px; }
}
@media (prefers-reduced-motion: reduce) {
    .pwwb-button { transition: none; }
    .pwwb-button::before { animation: none; display: none; }
}
@media print { .pwwb-button { display: none !important; } }