.whatsapp-toggle {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1001;
  width: 58px;
  height: 58px;
  border: 0;
  border-radius: 50%;
  background: #15803d;
  color: #fff;
  font-size: 34px;
  box-shadow: 0 4px 18px #0003;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.whatsapp-toggle:hover, .whatsapp-send:hover { background: #166534; color: #fff; }
.back-to-top,
.back-to-top.visible {
  right: 20px;
  bottom: 94px;
  --back-to-top-size: 58px;
}
.whatsapp-dialog {
  position: fixed;
  inset: auto 20px 90px auto;
  margin: 0;
  padding: 0;
  width: 360px;
  max-width: calc(100vw - 40px);
  max-height: calc(100dvh - 110px);
  overflow-y: auto;
  border: 0;
  border-radius: 18px;
  background: #fff;
  color: #183044;
  box-shadow: 0 12px 48px #0004;
}
.whatsapp-dialog::backdrop { background: #001b2b66; }
.whatsapp-heading { display: flex; align-items: flex-start; gap: 12px; padding: 22px; background: #075e54; color: #fff; }
.whatsapp-heading h2 { font-size: 22px; margin: 0 0 8px; color: #fff; }
.whatsapp-heading p { margin: 0; color: #fff; font-size: 14px; line-height: 1.6; }
.whatsapp-close { margin-left: auto; padding: 0 4px; border: 0; background: transparent; color: #fff; font-size: 30px; line-height: 1; cursor: pointer; }
.whatsapp-form { padding: 22px; }
.whatsapp-form label { display: block; margin-bottom: 5px; font-weight: 600; }
.whatsapp-form input, .whatsapp-form textarea { display: block; width: 100%; height: auto; padding: 10px 12px; margin-bottom: 14px; border: 1px solid #cbd5db; border-radius: 8px; background: #fff; color: #183044; }
.whatsapp-form textarea { resize: vertical; min-height: 90px; }
.whatsapp-form p { font-size: 13px; line-height: 1.5; margin-bottom: 14px; }
.whatsapp-send { width: 100%; padding: 12px; border: 0; border-radius: 8px; background: #15803d; color: #fff; font-weight: 600; cursor: pointer; }
.whatsapp-toggle:focus-visible, .whatsapp-close:focus-visible, .whatsapp-send:focus-visible { outline: 3px solid #d6a646; outline-offset: 3px; }