/* ==========================================================
   PLG_SYSTEM_BTNWHATSAPP — v3.0.0
   ========================================================== */

/* ----------------------------------------------------------
   WRAPPER FLUTUANTE
   ---------------------------------------------------------- */
.plg-btnwa {
    position: fixed;
    inset-block-end: var(--btnwa-offset-bottom, 20px);
    z-index: var(--btnwa-zindex, 999999);

    /* oculto por padrão — JS revela com animação */
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}

.plg-btnwa.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/* posição direcional */
.plg-btnwa[data-pos="end"]   { inset-inline-end:   var(--btnwa-offset-inline, 20px); }
.plg-btnwa[data-pos="start"] { inset-inline-start: var(--btnwa-offset-inline, 20px); }

/* ----------------------------------------------------------
   BOTÃO BASE
   ---------------------------------------------------------- */
.plg-btnwa__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;

    background:   var(--btnwa-bg, #25D366);
    color:        var(--btnwa-color, #ffffff);
    border: 2px solid var(--btnwa-border, transparent);

    text-decoration: none;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;

    transition:
        background-color .2s ease,
        color            .2s ease,
        border-color     .2s ease,
        transform        .1s ease,
        box-shadow       .2s ease;

    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* sombra */
.plg-btnwa__btn {
    box-shadow: calc(var(--btnwa-shadow, 1) * 2px) 4px 16px rgba(0,0,0,.22);
}

/* hover */
.plg-btnwa__btn:hover {
    background:   var(--btnwa-bg-hover, #1ebe5d);
    color:        var(--btnwa-color-hover, #ffffff);
    border-color: var(--btnwa-border-hover, transparent);
    transform:    translateY(-2px);
    box-shadow:   calc(var(--btnwa-shadow, 1) * 4px) 8px 20px rgba(0,0,0,.28);
}

/* focus acessível */
.plg-btnwa__btn:focus,
.plg-btnwa__btn:focus-visible {
    outline: 3px solid rgba(37,211,102,.45);
    outline-offset: 3px;
}

/* estado offline */
.plg-btnwa--offline .plg-btnwa__btn,
.plg-btnwa__btn--disabled {
    background:  #9e9e9e !important;
    color:       #fff    !important;
    cursor:      not-allowed;
    opacity:     .75;
    transform:   none !important;
    box-shadow:  none !important;
}

/* ----------------------------------------------------------
   ÍCONE
   ---------------------------------------------------------- */
.plg-btnwa__icon {
    display: inline-block;
    flex: 0 0 auto;
}

/* ----------------------------------------------------------
   TEXTO
   ---------------------------------------------------------- */
.plg-btnwa__text {
    display: inline-block;
    white-space: nowrap;
}

/* ----------------------------------------------------------
   SIZE
   ---------------------------------------------------------- */
.plg-btnwa[data-size="sm"] .plg-btnwa__btn { padding: 10px 14px; font-size: 13px; }
.plg-btnwa[data-size="md"] .plg-btnwa__btn { padding: 12px 18px; font-size: 14px; }
.plg-btnwa[data-size="lg"] .plg-btnwa__btn { padding: 14px 22px; font-size: 16px; }

.plg-btnwa[data-size="sm"] .plg-btnwa__icon { width: 18px; height: 18px; }
.plg-btnwa[data-size="md"] .plg-btnwa__icon { width: 22px; height: 22px; }
.plg-btnwa[data-size="lg"] .plg-btnwa__icon { width: 26px; height: 26px; }

/* ----------------------------------------------------------
   SHAPE
   ---------------------------------------------------------- */
.plg-btnwa[data-shape="circle"] .plg-btnwa__btn {
    border-radius: 999px;
    padding: 14px;
    aspect-ratio: 1;
    justify-content: center;
}
.plg-btnwa[data-shape="circle"][data-size="sm"] .plg-btnwa__btn { padding: 11px; }
.plg-btnwa[data-shape="circle"][data-size="md"] .plg-btnwa__btn { padding: 14px; }
.plg-btnwa[data-shape="circle"][data-size="lg"] .plg-btnwa__btn { padding: 17px; }

.plg-btnwa[data-shape="pill"]    .plg-btnwa__btn { border-radius: 999px; }
.plg-btnwa[data-shape="rounded"] .plg-btnwa__btn { border-radius: 16px;  }
.plg-btnwa[data-shape="square"]  .plg-btnwa__btn { border-radius: 6px;   }

/* ----------------------------------------------------------
   MODE: icon only
   ---------------------------------------------------------- */
.plg-btnwa[data-mode="icon"] .plg-btnwa__btn {
    justify-content: center;
    gap: 0;
}
.plg-btnwa[data-mode="icon"] .plg-btnwa__text { display: none; }

/* ----------------------------------------------------------
   TOOLTIP
   ---------------------------------------------------------- */
.plg-btnwa__tooltip {
    position: absolute;
    bottom: calc(100% + 14px);
    white-space: nowrap;
    background: var(--btnwa-tooltip-bg, #075E54);
    color:      var(--btnwa-tooltip-color, #fff);
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    pointer-events: none;

    opacity: 0;
    transform: translateY(6px) scale(.95);
    transition: opacity .25s ease, transform .25s ease;

    /* alinha com o lado do botão */
    box-shadow: 0 4px 14px rgba(0,0,0,.18);
}

/* seta */
.plg-btnwa__tooltip-arrow {
    position: absolute;
    bottom: -6px;
    width: 12px;
    height: 12px;
    background: var(--btnwa-tooltip-bg, #075E54);
    transform: rotate(45deg);
    border-radius: 2px;
}

/* posição end (direita) */
.plg-btnwa[data-pos="end"] .plg-btnwa__tooltip {
    right: 0;
}
.plg-btnwa[data-pos="end"] .plg-btnwa__tooltip-arrow {
    right: 18px;
}

/* posição start (esquerda) */
.plg-btnwa[data-pos="start"] .plg-btnwa__tooltip {
    left: 0;
}
.plg-btnwa[data-pos="start"] .plg-btnwa__tooltip-arrow {
    left: 18px;
}

.plg-btnwa__tooltip.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* ----------------------------------------------------------
   ANIMAÇÕES DE ENTRADA
   ---------------------------------------------------------- */

/* slide (padrão) */
@keyframes btnwa-slide-end {
    from { opacity: 0; transform: translateX(60px); }
    to   { opacity: 1; transform: translateX(0);    }
}
@keyframes btnwa-slide-start {
    from { opacity: 0; transform: translateX(-60px); }
    to   { opacity: 1; transform: translateX(0);     }
}

/* bounce */
@keyframes btnwa-bounce {
    0%   { opacity: 0; transform: scale(.4);   }
    60%  { opacity: 1; transform: scale(1.15); }
    80%  { transform: scale(.95); }
    100% { transform: scale(1);   }
}

/* fade */
@keyframes btnwa-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* classes aplicadas por JS */
.plg-btnwa.anim-slide[data-pos="end"].is-visible {
    animation: btnwa-slide-end .45s cubic-bezier(.22,1,.36,1) forwards;
}
.plg-btnwa.anim-slide[data-pos="start"].is-visible {
    animation: btnwa-slide-start .45s cubic-bezier(.22,1,.36,1) forwards;
}
.plg-btnwa.anim-bounce.is-visible {
    animation: btnwa-bounce .55s cubic-bezier(.22,1,.36,1) forwards;
}
.plg-btnwa.anim-fade.is-visible {
    animation: btnwa-fade .4s ease forwards;
}

/* ----------------------------------------------------------
   PULSE no ícone (quando tooltip ativo)
   ---------------------------------------------------------- */
.plg-btnwa.tooltip-shown .plg-btnwa__btn {
    animation: btnwa-pulse 1.8s ease-in-out 3;
}

@keyframes btnwa-pulse {
    0%, 100% { box-shadow: calc(var(--btnwa-shadow,1)*2px) 4px 16px rgba(0,0,0,.22); }
    50%       { box-shadow: 0 0 0 10px rgba(37,211,102,.2), calc(var(--btnwa-shadow,1)*2px) 4px 16px rgba(0,0,0,.22); }
}

/* ----------------------------------------------------------
   ÍCONE PERSONALIZADO — img e i (font icons)
   ---------------------------------------------------------- */

/* Imagem como ícone */
.plg-btnwa__icon[src] {
    object-fit: contain;
    display: inline-block;
    flex: 0 0 auto;
}

/* Font icon (ex: Font Awesome, Bootstrap Icons) */
i.plg-btnwa__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    line-height: 1;
}

/* Tamanhos aplicados também a img e i */
.plg-btnwa[data-size="sm"] .plg-btnwa__icon[src],
.plg-btnwa[data-size="sm"] i.plg-btnwa__icon { width: 18px; height: 18px; font-size: 18px; }

.plg-btnwa[data-size="md"] .plg-btnwa__icon[src],
.plg-btnwa[data-size="md"] i.plg-btnwa__icon { width: 22px; height: 22px; font-size: 22px; }

.plg-btnwa[data-size="lg"] .plg-btnwa__icon[src],
.plg-btnwa[data-size="lg"] i.plg-btnwa__icon { width: 26px; height: 26px; font-size: 26px; }