/* Botão flutuante de atendimento (Nuxis Atendimento Flutuante) */
.nuxat {
	--nuxat-cor: #25d366;
	--nuxat-baixo: 20px;
	--nuxat-lado: 20px;
	position: fixed;
	bottom: calc(var(--nuxat-baixo) + env(safe-area-inset-bottom, 0px));
	z-index: 99990;
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 12px;
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
	font-size: 15px;
	line-height: 1.3;
}
.nuxat--direita { right: calc(var(--nuxat-lado) + env(safe-area-inset-right, 0px)); }
.nuxat--esquerda { left: calc(var(--nuxat-lado) + env(safe-area-inset-left, 0px)); align-items: flex-start; }

/* Aparece com atraso (a classe sai pelo JS) */
.nuxat--oculto { opacity: 0; visibility: hidden; transform: translateY(12px); }
.nuxat { transition: opacity .3s ease, transform .3s ease, visibility .3s; }

/* Botão principal */
.nuxat__botao {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: 0;
	min-width: 60px;
	height: 60px;
	padding: 0 18px;
	border: 0;
	border-radius: 30px;
	background: var(--nuxat-cor);
	color: #fff;
	box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
	cursor: pointer;
	text-decoration: none;
	font: inherit;
	font-weight: 600;
	justify-content: center;
	transition: box-shadow .2s ease, transform .2s ease, gap .25s ease, padding .25s ease;
	-webkit-tap-highlight-color: transparent;
}
.nuxat__botao:hover, .nuxat__botao:focus-visible {
	color: #fff;
	box-shadow: 0 8px 24px rgba(0, 0, 0, .32);
	transform: translateY(-2px);
}
.nuxat__botao:focus-visible, .nuxat__item:focus-visible {
	outline: 3px solid #fff;
	outline-offset: 2px;
	box-shadow: 0 0 0 5px var(--nuxat-cor), 0 8px 24px rgba(0, 0, 0, .32);
}
.nuxat__ic, .nuxat__icone { display: inline-flex; width: 28px; height: 28px; flex: 0 0 28px; }
.nuxat__ic svg, .nuxat__icone svg { width: 100%; height: 100%; display: block; }

/* Texto do botão */
.nuxat__rotulo { white-space: nowrap; overflow: hidden; }
.nuxat--rotulo-sempre .nuxat__botao { gap: 10px; padding: 0 22px 0 18px; }
.nuxat--rotulo-hover .nuxat__rotulo { max-width: 0; opacity: 0; transition: max-width .3s ease, opacity .2s ease; }
.nuxat--rotulo-hover .nuxat__botao:hover .nuxat__rotulo,
.nuxat--rotulo-hover .nuxat__botao:focus-visible .nuxat__rotulo,
.nuxat--rotulo-hover .nuxat__botao[aria-expanded="true"] .nuxat__rotulo { max-width: 260px; opacity: 1; margin-left: 10px; }

/* Alterna o ícone quando o painel abre */
.nuxat__ic--fechar { display: none; }
.nuxat__botao[aria-expanded="true"] .nuxat__ic--abrir { display: none; }
.nuxat__botao[aria-expanded="true"] .nuxat__ic--fechar { display: inline-flex; }

/* Fora do horário: pontinho cinza no botão */
.nuxat--fora .nuxat__botao::after {
	content: "";
	position: absolute;
	top: 6px;
	right: 6px;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: #9aa0a6;
	border: 2px solid #fff;
}

/* Painel com os canais */
.nuxat__painel {
	min-width: 220px;
	max-width: min(320px, calc(100vw - 40px));
	background: #fff;
	color: #1f2937;
	border-radius: 16px;
	padding: 8px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
	animation: nuxat-sobe .18s ease-out;
}
.nuxat__painel[hidden] { display: none; }
.nuxat__aviso { margin: 4px 8px 8px; padding: 8px 10px; border-radius: 10px; background: #f3f4f6; color: #4b5563; font-size: 13px; }
.nuxat__lista { list-style: none; margin: 0; padding: 0; }
.nuxat__lista li { margin: 0; padding: 0; }
.nuxat__item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 11px 12px;
	border-radius: 10px;
	color: #1f2937;
	text-decoration: none;
	font-weight: 600;
}
.nuxat__item:hover { background: #f3f4f6; color: #111827; }
.nuxat__item .nuxat__icone { color: #fff; border-radius: 50%; padding: 6px; width: 34px; height: 34px; flex-basis: 34px; background: var(--nuxat-cor); }
.nuxat__item--telefone .nuxat__icone { background: #2563eb; }
.nuxat__item--email .nuxat__icone { background: #f59e0b; }

@keyframes nuxat-sobe { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Escolha de dispositivos */
@media (max-width: 782px) { .nuxat--so-desktop { display: none; } }
@media (min-width: 783px) { .nuxat--so-celular { display: none; } }

/* Telas pequenas: botão um pouco menor */
@media (max-width: 480px) {
	.nuxat__botao { height: 56px; min-width: 56px; }
}

/* Respeita quem prefere menos movimento; e a impressão */
@media (prefers-reduced-motion: reduce) {
	.nuxat, .nuxat__botao, .nuxat__rotulo, .nuxat__painel { transition: none; animation: none; }
}
@media print { .nuxat { display: none !important; } }

/* ------------------------------------------------------------------ convite de conversa (atendente virtual) */
.nuxat__chat {
	width: 340px;
	max-width: calc(100vw - 2 * var(--nuxat-lado));
	display: flex;
	flex-direction: column;
	background: #fff;
	color: #1f2937;
	border-radius: 18px;
	box-shadow: 0 14px 40px rgba(0, 0, 0, .28);
	overflow: hidden;
	animation: nuxat-sobe .22s ease-out;
}
.nuxat__chat[hidden] { display: none; }
.nuxat__chat-topo {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 12px 12px 12px 14px;
	background: var(--nuxat-cor);
	color: #fff;
}
.nuxat__avatar { display: inline-flex; width: 38px; height: 38px; flex: 0 0 38px; padding: 8px; border-radius: 50%; background: rgba(255, 255, 255, .22); }
.nuxat__avatar svg { width: 100%; height: 100%; }
.nuxat__chat-quem { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.nuxat__chat-quem strong { font-size: 15px; line-height: 1.2; }
.nuxat__chat-quem small { font-size: 12px; opacity: .9; }
.nuxat__chat-quem small::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 5px; border-radius: 50%; background: #86efac; }
.nuxat__chat-fechar { display: inline-flex; width: 34px; height: 34px; padding: 8px; border: 0; border-radius: 50%; background: transparent; color: #fff; cursor: pointer; }
.nuxat__chat-fechar:hover, .nuxat__chat-fechar:focus-visible { background: rgba(255, 255, 255, .22); outline: none; }
.nuxat__chat-fechar svg { width: 100%; height: 100%; }

.nuxat__chat-msgs { display: flex; flex-direction: column; gap: 8px; padding: 14px; height: 300px; overflow-y: auto; background: #f4f6f8; }
.nuxat__bolha { max-width: 85%; padding: 9px 13px; border-radius: 14px; font-size: 14.5px; line-height: 1.4; word-wrap: break-word; overflow-wrap: anywhere; animation: nuxat-sobe .18s ease-out; }
.nuxat__bolha--bot { align-self: flex-start; background: #fff; color: #1f2937; border-bottom-left-radius: 4px; box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }
.nuxat__bolha--eu { align-self: flex-end; background: var(--nuxat-cor); color: #fff; border-bottom-right-radius: 4px; }
.nuxat__bolha--erro { align-self: flex-start; background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; font-size: 13.5px; }

.nuxat__digitando { display: inline-flex; gap: 4px; align-items: center; padding: 12px 14px; }
.nuxat__digitando span { width: 7px; height: 7px; border-radius: 50%; background: #9ca3af; animation: nuxat-ponto 1s infinite ease-in-out; }
.nuxat__digitando span:nth-child(2) { animation-delay: .15s; }
.nuxat__digitando span:nth-child(3) { animation-delay: .3s; }
@keyframes nuxat-ponto { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-4px); opacity: 1; } }

.nuxat__opcoes { display: flex; flex-wrap: wrap; gap: 8px; align-self: flex-start; }
.nuxat__opcao {
	padding: 9px 16px;
	border: 1.5px solid var(--nuxat-cor);
	border-radius: 20px;
	background: #fff;
	color: var(--nuxat-cor);
	font: inherit;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	text-decoration: none;
}
.nuxat__opcao--principal { background: var(--nuxat-cor); color: #fff; }
.nuxat__opcao:hover { filter: brightness(.94); }
.nuxat__opcao:focus-visible { outline: 3px solid #1f2937; outline-offset: 2px; }
.nuxat__opcao--link { display: inline-block; }

.nuxat__chat-form { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-top: 1px solid #e5e7eb; background: #fff; }
.nuxat__chat-form[hidden] { display: none; }
.nuxat__chat-campo { flex: 1; min-width: 0; height: 40px; padding: 0 14px; border: 1.5px solid #d1d5db; border-radius: 20px; font: inherit; font-size: 15px; color: #111827; background: #fff; }
.nuxat__chat-campo:focus { outline: none; border-color: var(--nuxat-cor); box-shadow: 0 0 0 3px rgba(0, 0, 0, .06); }
.nuxat__chat-enviar { display: inline-flex; width: 40px; height: 40px; flex: 0 0 40px; padding: 10px; border: 0; border-radius: 50%; background: var(--nuxat-cor); color: #fff; cursor: pointer; }
.nuxat__chat-enviar svg { width: 100%; height: 100%; }
.nuxat__chat-aviso { margin: 0; padding: 6px 14px 10px; background: #fff; color: #6b7280; font-size: 11.5px; text-align: center; }

@media (max-width: 480px) {
	.nuxat__chat { width: calc(100vw - 2 * var(--nuxat-lado)); }
	.nuxat__chat-msgs { height: min(300px, 45vh); }
}
@media (prefers-reduced-motion: reduce) {
	.nuxat__chat, .nuxat__bolha, .nuxat__digitando span { animation: none; }
}