/* =====================================================================
   Balão de WhatsApp: em todas as páginas (index.html e 404.html).
   Comportamento em assets/js/whats.js. Cores do WhatsApp (modo escuro).
   ===================================================================== */
.bwz-w {
  --bwz-verde: #25d366;
  position: fixed; right: 20px; bottom: 20px; z-index: 300;
  font-family: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.bwz-w *, .bwz-w *::before, .bwz-w *::after { box-sizing: border-box; }
.bwz-w [hidden] { display: none !important; }

/* botão redondo */
.bwz-botao {
  position: relative;
  display: grid; place-items: center;
  width: 62px; height: 62px; margin-left: auto;
  border: 0; border-radius: 50%;
  background: var(--bwz-verde); color: #fff;
  cursor: pointer;
  box-shadow: 0 12px 30px -8px rgba(37, 211, 102, .6), 0 4px 12px rgba(0, 0, 0, .45);
  transition: transform .25s ease;
}
.bwz-botao:hover { transform: scale(1.06); }
.bwz-botao:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.bwz-botao svg { width: 34px; height: 34px; display: block; }
.bwz-botao .bwz-x svg { width: 26px; height: 26px; }
.bwz-botao::before {
  content: "";
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--bwz-verde);
  animation: bwz-anel 2.6s ease-out infinite;
  pointer-events: none;
}
.bwz-x { display: none; }
.bwz-w.aberto .bwz-ico-w { display: none; }
.bwz-w.aberto .bwz-x { display: block; }
.bwz-w.aberto .bwz-botao::before { animation: none; opacity: 0; }
.bwz-selo {
  position: absolute; top: -3px; right: -3px;
  min-width: 23px; height: 23px; padding: 0 6px;
  border-radius: 12px; border: 2px solid #0b0a08;
  background: #ff3b30; color: #fff;
  font: 700 13px/19px system-ui, sans-serif; text-align: center;
}

/* aviso que aparece ao lado do botão */
.bwz-provoca {
  position: absolute; right: 76px; bottom: 6px;
  width: max-content; max-width: 250px;
  padding: 12px 34px 12px 15px;
  border-radius: 16px 16px 4px 16px;
  background: #fff; color: #111b21;
  font-size: 15.5px; line-height: 1.35;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .4);
  cursor: pointer;
  animation: bwz-surge .35s ease both;
}
.bwz-provoca b { display: block; margin-bottom: 2px; }
.bwz-provoca button {
  position: absolute; top: 4px; right: 4px;
  width: 28px; height: 28px;
  border: 0; border-radius: 50%; background: transparent;
  color: #667781; font-size: 20px; line-height: 1; cursor: pointer;
}
.bwz-provoca button:hover { background: #f0f2f5; }

/* janela */
.bwz-janela {
  position: absolute; right: 0; bottom: 78px;
  display: flex; flex-direction: column;
  width: 370px; max-width: calc(100vw - 32px);
  max-height: min(640px, calc(100vh - 120px));
  border-radius: 18px; overflow: hidden;
  background: #0b141a;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .65), 0 0 0 1px rgba(255, 255, 255, .07);
  transform-origin: bottom right;
  animation: bwz-abre .22s ease both;
}
.bwz-topo { display: flex; align-items: center; gap: 12px; padding: 14px 12px 14px 16px; background: #1f2c34; color: #e9edef; }
.bwz-avatar {
  flex: none; display: grid; place-items: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, #2a2214, #0b0a08);
  border: 2px solid #f2b31b;
}
.bwz-avatar img { width: 32px; height: auto; display: block; }
.bwz-nome { font-weight: 700; font-size: 17.5px; line-height: 1.2; }
.bwz-sub { display: flex; align-items: center; gap: 6px; font-size: 14px; color: #8696a0; }
.bwz-sub i { width: 8px; height: 8px; border-radius: 50%; background: var(--bwz-verde); }
.bwz-fechar {
  margin-left: auto; flex: none;
  display: grid; place-items: center;
  width: 40px; height: 40px; border: 0; border-radius: 50%;
  background: transparent; color: #aebac1; cursor: pointer;
}
.bwz-fechar:hover { background: rgba(255, 255, 255, .08); }
.bwz-fechar svg { width: 22px; height: 22px; }

.bwz-corpo {
  flex: 1; overflow-y: auto;
  padding: 18px 14px 12px 20px;
  background:
    radial-gradient(circle at 20% 10%, rgba(37, 211, 102, .05), transparent 40%),
    #0b141a;
}
.bwz-msg {
  position: relative;
  max-width: 92%; margin: 0 0 10px;
  padding: 9px 12px 22px;
  border-radius: 0 10px 10px 10px;
  background: #202c33; color: #e9edef;
  font-size: 16px; line-height: 1.45;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .3);
}
.bwz-msg::before {
  content: ""; position: absolute; left: -8px; top: 0;
  border-style: solid; border-width: 0 9px 10px 0;
  border-color: transparent #202c33 transparent transparent;
}
.bwz-hora { position: absolute; right: 10px; bottom: 4px; font-size: 11.5px; color: #8696a0; }
.bwz-msg.bwz-sistema {
  max-width: 100%; padding: 10px 12px;
  border-radius: 10px; text-align: center;
  background: #182229; color: #ffd279; font-size: 15px;
}
.bwz-msg.bwz-sistema::before { display: none; }
.bwz-msg a { color: #53bdeb; }
.bwz-opcoes { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin: 4px 0 6px; }
.bwz-opcoes button {
  padding: 10px 15px;
  border: 1px solid rgba(37, 211, 102, .45); border-radius: 20px;
  background: rgba(37, 211, 102, .08); color: #d9fdd3;
  font: 600 15.5px/1.2 "Barlow", system-ui, sans-serif; text-align: left;
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
.bwz-opcoes button:hover { background: rgba(37, 211, 102, .2); border-color: var(--bwz-verde); }

.bwz-rodape { display: flex; align-items: flex-end; gap: 8px; margin: 0; padding: 10px 10px 8px; background: #1f2c34; }
.bwz-rodape textarea {
  flex: 1; min-height: 46px; max-height: 120px;
  resize: none; border: 0; outline: none;
  padding: 12px 16px; border-radius: 23px;
  background: #2a3942; color: #e9edef;
  font: 400 16px/1.35 "Barlow", system-ui, sans-serif;
}
.bwz-rodape textarea::placeholder { color: #8696a0; }
.bwz-enviar {
  flex: none; display: grid; place-items: center;
  width: 46px; height: 46px; border: 0; border-radius: 50%;
  background: var(--bwz-verde); color: #0b141a; cursor: pointer;
}
.bwz-enviar svg { width: 22px; height: 22px; margin-left: 2px; }
.bwz-nota { margin: 0; padding: 0 10px 10px; background: #1f2c34; color: #8696a0; font-size: 12.5px; text-align: center; }

@keyframes bwz-anel { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.4); opacity: 0; } }
@keyframes bwz-abre { from { opacity: 0; transform: translateY(12px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes bwz-surge { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: none; } }

@media (max-width: 600px) {
  .bwz-w { right: 16px; bottom: 16px; }
  .bwz-janela {
    position: fixed; left: 10px; right: 10px; bottom: 90px;
    width: auto; max-width: none;
    max-height: calc(100vh - 110px); max-height: calc(100dvh - 110px);
  }
  .bwz-provoca { max-width: 210px; font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  .bwz-botao::before, .bwz-janela, .bwz-provoca { animation: none !important; }
}