/* Techzu Engine — Floating WhatsApp button */
.tz-wa-float {
    position: fixed;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    height: var(--tz-wa-size, 56px);
    min-width: var(--tz-wa-size, 56px);
    background: var(--tz-wa-bg, #25d366);
    color: var(--tz-wa-text, #ffffff);
    border-radius: var(--tz-wa-radius, 999px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
    text-decoration: none !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.tz-wa-float:hover,
.tz-wa-float:focus {
    background: var(--tz-wa-bg-hover, #1da851);
    color: var(--tz-wa-text, #ffffff);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
    text-decoration: none;
    outline: none;
}

.tz-wa-float:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 3px;
}

.tz-wa-float__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--tz-wa-size, 56px);
    height: var(--tz-wa-size, 56px);
    color: var(--tz-wa-icon, #ffffff);
    flex: 0 0 auto;
}

.tz-wa-float__icon svg {
    width: 55%;
    height: 55%;
    display: block;
}

.tz-wa-float__label {
    white-space: nowrap;
    padding-right: 20px;
    color: var(--tz-wa-text, #ffffff);
}

.tz-wa-float--with-label {
    padding-right: 0;
}

/* Pulse animation ring */
.tz-wa-float--pulse::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: 0 0 0 0 var(--tz-wa-bg, #25d366);
    animation: tz-wa-pulse 2.2s infinite;
    pointer-events: none;
}

@keyframes tz-wa-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55);
    }
    70% {
        box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .tz-wa-float,
    .tz-wa-float--pulse::before {
        animation: none !important;
        transition: none !important;
    }
}

@media (max-width: 480px) {
    .tz-wa-float__label {
        font-size: 14px;
    }
}