/* Chat IA — widget flotante (lado derecho) */

.chat-ia {
	--chat-ia-primary: #25d366;
	--chat-ia-primary-dark: #20bd5a;
	--chat-ia-header: #075e54;
	--chat-ia-header-dark: #054640;
	--chat-ia-bg: #ffffff;
	--chat-ia-surface: #ece5dd;
	--chat-ia-border: #d1d7db;
	--chat-ia-text: #111b21;
	--chat-ia-muted: #667781;
	--chat-ia-bot-bg: #ffffff;
	--chat-ia-user-bg: #d9fdd3;
	--chat-ia-user-text: #111b21;
	--chat-ia-shadow: 0 25px 50px -12px rgba(17, 27, 33, 0.22);
	--chat-ia-radius: 16px;
	--chat-ia-z: 999999;

	position: fixed;
	bottom: 24px;
	right: 24px;
	z-index: var(--chat-ia-z);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
	font-size: 14px;
	line-height: 1.5;
	color: var(--chat-ia-text);
	box-sizing: border-box;
}

.chat-ia *,
.chat-ia *::before,
.chat-ia *::after {
	box-sizing: border-box;
}

/* Botón flotante */
.chat-ia__toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 60px;
	height: 60px;
	margin-left: auto;
	border: none;
	border-radius: 50%;
	background: var(--chat-ia-primary);
	color: #fff;
	cursor: pointer;
	box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
	transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.chat-ia__toggle:hover {
	background: var(--chat-ia-primary-dark);
	transform: scale(1.05);
}

.chat-ia__toggle:focus-visible {
	outline: 2px solid var(--chat-ia-primary);
	outline-offset: 3px;
}

.chat-ia__toggle-icon--close {
	display: none;
}

.chat-ia.is-open .chat-ia__toggle-icon--open {
	display: none;
}

.chat-ia.is-open .chat-ia__toggle-icon--close {
	display: block;
}

/* Panel del chat */
.chat-ia__panel {
	position: absolute;
	bottom: 76px;
	right: 0;
	display: flex;
	flex-direction: column;
	width: 380px;
	max-width: calc(100vw - 48px);
	height: 520px;
	max-height: calc(100vh - 120px);
	background: var(--chat-ia-bg);
	border-radius: var(--chat-ia-radius);
	box-shadow: var(--chat-ia-shadow);
	border: 1px solid var(--chat-ia-border);
	overflow: hidden;
	opacity: 0;
	visibility: hidden;
	transform: translateY(16px) scale(0.96);
	transform-origin: bottom right;
	transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
	pointer-events: none;
}

.chat-ia.is-open .chat-ia__panel {
	opacity: 1;
	visibility: visible;
	transform: translateY(0) scale(1);
	pointer-events: auto;
}

/* Cabecera */
.chat-ia__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 16px 18px;
	background: var(--chat-ia-header);
	color: #fff;
	flex-shrink: 0;
}

.chat-ia__header-info {
	display: flex;
	align-items: center;
	gap: 12px;
	min-width: 0;
}

.chat-ia__avatar {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.2);
	flex-shrink: 0;
}

.chat-ia__title {
	margin: 0;
	font-size: 16px;
	font-weight: 600;
	line-height: 1.2;
}

.chat-ia__status {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 12px;
	opacity: 0.9;
}

.chat-ia__status-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #25d366;
	box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.35);
}

.chat-ia__close {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	padding: 0;
	border: none;
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.15);
	color: inherit;
	cursor: pointer;
	transition: background 0.15s ease;
	flex-shrink: 0;
}

.chat-ia__close:hover {
	background: rgba(255, 255, 255, 0.25);
}

.chat-ia__close:focus-visible {
	outline: 2px solid #fff;
	outline-offset: 2px;
}

/* Mensajes */
.chat-ia__messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	background: var(--chat-ia-surface);
	scroll-behavior: smooth;
}

.chat-ia__messages::-webkit-scrollbar {
	width: 6px;
}

.chat-ia__messages::-webkit-scrollbar-thumb {
	background: var(--chat-ia-border);
	border-radius: 3px;
}

.chat-ia__bubble {
	max-width: 85%;
	padding: 10px 14px;
	border-radius: 14px;
	word-wrap: break-word;
	animation: chat-ia-fade-in 0.2s ease;
}

@keyframes chat-ia-fade-in {
	from {
		opacity: 0;
		transform: translateY(6px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.chat-ia__bubble--bot {
	align-self: flex-start;
	background: var(--chat-ia-bot-bg);
	color: var(--chat-ia-text);
	border-bottom-left-radius: 4px;
	border: 1px solid var(--chat-ia-border);
}

.chat-ia__bubble--user {
	align-self: flex-end;
	background: var(--chat-ia-user-bg);
	color: var(--chat-ia-user-text);
	border-bottom-right-radius: 4px;
}

.chat-ia__bubble-time {
	display: block;
	margin-top: 4px;
	font-size: 11px;
	opacity: 0.65;
}

/* Indicador de escritura */
.chat-ia__typing {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 0 16px 8px;
	background: var(--chat-ia-surface);
	font-size: 12px;
	color: var(--chat-ia-muted);
}

.chat-ia__typing[hidden] {
	display: none !important;
}

.chat-ia__typing-dots span {
	display: inline-block;
	width: 6px;
	height: 6px;
	margin-right: 3px;
	border-radius: 50%;
	background: var(--chat-ia-muted);
	animation: chat-ia-bounce 1.2s infinite ease-in-out both;
}

.chat-ia__typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.chat-ia__typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes chat-ia-bounce {
	0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
	40% { transform: scale(1); opacity: 1; }
}

/* Formulario */
.chat-ia__form {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 14px;
	border-top: 1px solid var(--chat-ia-border);
	background: var(--chat-ia-bg);
	flex-shrink: 0;
}

.chat-ia__input {
	flex: 1;
	min-width: 0;
	padding: 10px 14px;
	border: 1px solid var(--chat-ia-border);
	border-radius: 24px;
	font: inherit;
	color: var(--chat-ia-text);
	background: var(--chat-ia-surface);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.chat-ia__input:focus {
	outline: none;
	border-color: var(--chat-ia-primary);
	box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.18);
}

.chat-ia__send {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	border: none;
	border-radius: 50%;
	background: var(--chat-ia-primary);
	color: #fff;
	cursor: pointer;
	flex-shrink: 0;
	transition: background 0.15s ease, transform 0.15s ease;
}

.chat-ia__send:hover {
	background: var(--chat-ia-primary-dark);
}

.chat-ia__send:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.chat-ia__send:focus-visible {
	outline: 2px solid var(--chat-ia-primary);
	outline-offset: 2px;
}

/* Formulario de registro previo */
.chat-ia__intake {
	position: relative;
	flex: 1;
	overflow-y: auto;
	padding: 20px 18px 18px;
	background: var(--chat-ia-surface);
}

.chat-ia__intake[hidden],
.chat-ia__chat[hidden] {
	display: none !important;
}

.chat-ia__intake-title {
	margin: 0 0 6px;
	font-size: 17px;
	font-weight: 600;
	color: var(--chat-ia-text);
}

.chat-ia__intake-desc {
	margin: 0 0 18px;
	font-size: 13px;
	color: var(--chat-ia-muted);
}

.chat-ia__intake-form {
	display: flex;
	flex-direction: column;
	gap: 14px;
}

.chat-ia__field label {
	display: block;
	margin-bottom: 6px;
	font-size: 13px;
	font-weight: 500;
	color: var(--chat-ia-text);
}

.chat-ia__field-input,
.chat-ia__field-select {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--chat-ia-border);
	border-radius: 10px;
	font: inherit;
	color: var(--chat-ia-text);
	background: var(--chat-ia-bg);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.chat-ia__field-input:focus,
.chat-ia__field-select:focus {
	outline: none;
	border-color: var(--chat-ia-primary);
	box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.18);
}

.chat-ia__field-input--invalid,
.chat-ia__field-select--invalid {
	border-color: #dc2626;
}

.chat-ia__phone-row {
	display: flex;
	gap: 8px;
}

.chat-ia__field-select {
	flex: 0 0 42%;
	min-width: 0;
	max-width: 160px;
}

.chat-ia__field-input--phone {
	flex: 1;
	min-width: 0;
}

.chat-ia__intake-error {
	margin: 0;
	font-size: 12px;
	color: #dc2626;
}

.chat-ia__intake-btn {
	width: 100%;
	margin-top: 4px;
	padding: 12px 16px;
	border: none;
	border-radius: 10px;
	background: var(--chat-ia-primary);
	color: #fff;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.15s ease;
}

.chat-ia__intake-btn:hover {
	background: var(--chat-ia-primary-dark);
}

.chat-ia__intake-btn:focus-visible {
	outline: 2px solid var(--chat-ia-primary);
	outline-offset: 2px;
}

.chat-ia__intake-btn-loading {
	display: inline-flex;
	align-items: center;
	gap: 8px;
}

.chat-ia__intake-btn-loading[hidden],
.chat-ia__intake-btn-text[hidden] {
	display: none !important;
}

.chat-ia__intake-loading {
	position: absolute;
	inset: 0;
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 14px;
	padding: 24px;
	background: rgba(248, 250, 252, 0.94);
	text-align: center;
}

.chat-ia__intake-loading[hidden] {
	display: none !important;
}

.chat-ia__intake-spinner {
	width: 40px;
	height: 40px;
	border: 3px solid var(--chat-ia-border);
	border-top-color: var(--chat-ia-primary);
	border-radius: 50%;
	animation: chat-ia-spin 0.75s linear infinite;
}

.chat-ia__intake-loading-text {
	margin: 0;
	font-size: 14px;
	font-weight: 500;
	color: var(--chat-ia-text);
}

.chat-ia--intake-loading .chat-ia__intake-form {
	pointer-events: none;
	opacity: 0.45;
}

@keyframes chat-ia-spin {
	to {
		transform: rotate(360deg);
	}
}

.chat-ia__chat {
	display: flex;
	flex: 1;
	flex-direction: column;
	min-height: 0;
	overflow: hidden;
}

/* Móvil */
@media (max-width: 480px) {
	.chat-ia {
		bottom: 16px;
		right: 16px;
		left: 16px;
	}

	.chat-ia__panel {
		right: 0;
		left: 0;
		width: 100%;
		max-width: none;
		bottom: 72px;
		height: min(520px, calc(100vh - 100px));
	}

	.chat-ia__toggle {
		margin-left: auto;
	}
}