/* ==========================================================================
   Linkreativo AI Shop Assistant — Widget de chat
   Paleta controlada por variables CSS inyectadas desde los ajustes:
   --lkr-primary, --lkr-accent, --lkr-on-primary,
   --lkr-panel-bg, --lkr-bot-bg, --lkr-bot-text
   ========================================================================== */

#lkr-ai-root {
	position: fixed;
	bottom: 22px;
	z-index: 99999;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	font-size: 15px;
	line-height: 1.45;
	-webkit-font-smoothing: antialiased;
}
#lkr-ai-root.lkr-right { right: 22px; }
#lkr-ai-root.lkr-left  { left: 22px; }
#lkr-ai-root *, #lkr-ai-root *::before, #lkr-ai-root *::after { box-sizing: border-box; }

/* ---------- Botón flotante ---------- */
#lkr-ai-launcher {
	display: grid;
	place-items: center;
	width: 60px;
	height: 60px;
	border: 0;
	border-radius: 50%;
	cursor: pointer;
	color: var(--lkr-on-primary, #fff);
	background: linear-gradient(135deg, var(--lkr-primary, #0f766e), var(--lkr-accent, #14b8a6));
	box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
	transition: transform .18s ease, box-shadow .18s ease;
}
#lkr-ai-launcher:hover  { transform: translateY(-2px) scale(1.04); box-shadow: 0 12px 30px rgba(0,0,0,.26); }
#lkr-ai-launcher:focus-visible { outline: 3px solid var(--lkr-accent, #14b8a6); outline-offset: 3px; }
#lkr-ai-launcher .lkr-ic-close { display: none; }
#lkr-ai-root.lkr-open #lkr-ai-launcher .lkr-ic-chat  { display: none; }
#lkr-ai-root.lkr-open #lkr-ai-launcher .lkr-ic-close { display: block; }

/* ---------- Panel ---------- */
#lkr-ai-panel {
	position: absolute;
	bottom: 76px;
	width: 380px;
	max-width: calc(100vw - 32px);
	height: 560px;
	max-height: calc(100vh - 120px);
	display: flex;
	flex-direction: column;
	background: var(--lkr-panel-bg, #fff);
	border-radius: 18px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
	overflow: hidden;
	transform-origin: bottom right;
	animation: lkr-pop .22s ease;
}

/* CORRECCIÓN: el atributo [hidden] debe prevalecer sobre display:flex,
   de lo contrario el panel no puede minimizarse. También protege frente
   a temas que fuercen display en elementos section. */
#lkr-ai-panel[hidden],
#lkr-ai-root .lkr-hidden {
	display: none !important;
}
.lkr-right #lkr-ai-panel { right: 0; }
.lkr-left  #lkr-ai-panel { left: 0; transform-origin: bottom left; }

@keyframes lkr-pop {
	from { opacity: 0; transform: translateY(10px) scale(.96); }
	to   { opacity: 1; transform: translateY(0)    scale(1);   }
}

/* ---------- Cabecera ---------- */
.lkr-head {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 16px 18px;
	color: var(--lkr-on-primary, #fff);
	background: linear-gradient(135deg, var(--lkr-primary, #0f766e), var(--lkr-accent, #14b8a6));
}
.lkr-avatar {
	display: grid;
	place-items: center;
	width: 38px;
	height: 38px;
	border-radius: 50%;
	background: rgba(255, 255, 255, .18);
	flex: none;
}
.lkr-head-txt { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.lkr-head-txt strong { font-size: 15px; font-weight: 700; }
.lkr-head-txt span   { font-size: 12px; opacity: .9; display: flex; align-items: center; gap: 6px; }
.lkr-minimize {
	display: grid;
	place-items: center;
	width: 32px;
	height: 32px;
	flex: none;
	border: 0;
	border-radius: 8px;
	cursor: pointer;
	color: var(--lkr-on-primary, #fff);
	background: rgba(255, 255, 255, .14);
	transition: background .15s ease;
}
.lkr-minimize:hover { background: rgba(255, 255, 255, .28); }
.lkr-minimize:focus-visible { outline: 2px solid var(--lkr-on-primary, #fff); outline-offset: 2px; }
.lkr-dot {
	width: 7px; height: 7px; border-radius: 50%;
	background: #4ade80;
	box-shadow: 0 0 0 0 rgba(74, 222, 128, .6);
	animation: lkr-pulse 2s infinite;
}
@keyframes lkr-pulse {
	0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, .55); }
	70%  { box-shadow: 0 0 0 7px rgba(74, 222, 128, 0); }
	100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

/* ---------- Mensajes ---------- */
.lkr-messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	scroll-behavior: smooth;
}
.lkr-msg {
	max-width: 84%;
	padding: 10px 14px;
	border-radius: 16px;
	white-space: pre-wrap;
	word-wrap: break-word;
	animation: lkr-msg-in .18s ease;
}
@keyframes lkr-msg-in {
	from { opacity: 0; transform: translateY(6px); }
	to   { opacity: 1; transform: translateY(0); }
}
.lkr-msg.bot {
	align-self: flex-start;
	background: var(--lkr-bot-bg, #f1f5f9);
	color: var(--lkr-bot-text, #0f172a);
	border-bottom-left-radius: 5px;
}
.lkr-msg.user {
	align-self: flex-end;
	background: linear-gradient(135deg, var(--lkr-primary, #0f766e), var(--lkr-accent, #14b8a6));
	color: var(--lkr-on-primary, #fff);
	border-bottom-right-radius: 5px;
}
.lkr-msg a { color: inherit; text-decoration: underline; font-weight: 600; }
.lkr-msg.bot a { color: var(--lkr-primary, #0f766e); }

/* ---------- Sugerencias de preguntas rápidas ---------- */
.lkr-suggestions {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	padding: 2px 2px 4px;
	animation: lkr-msg-in .2s ease;
}
.lkr-chip {
	border: 1px solid color-mix(in srgb, var(--lkr-primary, #0f766e) 35%, transparent);
	background: color-mix(in srgb, var(--lkr-primary, #0f766e) 6%, transparent);
	color: var(--lkr-primary, #0f766e);
	font-size: 13px;
	font-weight: 600;
	font-family: inherit;
	line-height: 1.3;
	padding: 8px 14px;
	border-radius: 999px;
	cursor: pointer;
	text-align: left;
	transition: background .15s ease, transform .15s ease;
}
.lkr-chip:hover {
	background: color-mix(in srgb, var(--lkr-primary, #0f766e) 14%, transparent);
	transform: translateY(-1px);
}
.lkr-chip:focus-visible {
	outline: 2px solid var(--lkr-accent, #14b8a6);
	outline-offset: 2px;
}

/* Indicador "escribiendo" */
.lkr-typing { display: inline-flex; gap: 5px; align-items: center; padding: 14px 16px; }
.lkr-typing i {
	width: 7px; height: 7px; border-radius: 50%;
	background: var(--lkr-bot-text, #64748b);
	opacity: .45;
	animation: lkr-blink 1.1s infinite;
}
.lkr-typing i:nth-child(2) { animation-delay: .18s; }
.lkr-typing i:nth-child(3) { animation-delay: .36s; }
@keyframes lkr-blink { 0%,100% { opacity: .25; transform: translateY(0); } 50% { opacity: .9; transform: translateY(-3px); } }

/* ---------- Barra "hablar con un humano" ---------- */
.lkr-human-bar {
	padding: 8px 14px 0;
	display: flex;
	justify-content: center;
}
#lkr-ai-human {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-size: 13px;
	font-weight: 600;
	color: var(--lkr-primary, #0f766e);
	background: color-mix(in srgb, var(--lkr-primary, #0f766e) 8%, transparent);
	border: 1px solid color-mix(in srgb, var(--lkr-primary, #0f766e) 28%, transparent);
	border-radius: 999px;
	padding: 7px 16px;
	text-decoration: none;
	transition: background .15s ease, transform .15s ease;
}
#lkr-ai-human:hover { background: color-mix(in srgb, var(--lkr-primary, #0f766e) 15%, transparent); transform: translateY(-1px); }
#lkr-ai-human:focus-visible { outline: 2px solid var(--lkr-accent, #14b8a6); outline-offset: 2px; }

/* ---------- Entrada ---------- */
.lkr-input-row {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 14px;
	margin: 0;
}
#lkr-ai-input {
	flex: 1;
	min-width: 0;
	height: 44px;
	padding: 0 16px;
	font-size: 15px;
	color: var(--lkr-bot-text, #0f172a);
	background: var(--lkr-bot-bg, #f1f5f9);
	border: 1px solid transparent;
	border-radius: 999px;
	outline: none;
	transition: border-color .15s ease, box-shadow .15s ease;
}
#lkr-ai-input:focus {
	border-color: var(--lkr-accent, #14b8a6);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--lkr-accent, #14b8a6) 22%, transparent);
}
#lkr-ai-send {
	display: grid;
	place-items: center;
	width: 44px;
	height: 44px;
	flex: none;
	border: 0;
	border-radius: 50%;
	cursor: pointer;
	color: var(--lkr-on-primary, #fff);
	background: linear-gradient(135deg, var(--lkr-primary, #0f766e), var(--lkr-accent, #14b8a6));
	transition: transform .15s ease, opacity .15s ease;
}
#lkr-ai-send:hover:not(:disabled) { transform: scale(1.06); }
#lkr-ai-send:disabled { opacity: .5; cursor: not-allowed; }
#lkr-ai-send:focus-visible { outline: 2px solid var(--lkr-accent, #14b8a6); outline-offset: 2px; }

/* ---------- Créditos ---------- */
.lkr-credit {
	padding: 7px 0 10px;
	text-align: center;
	font-size: 11px;
	color: color-mix(in srgb, var(--lkr-bot-text, #64748b) 60%, transparent);
}
.lkr-credit a {
	color: var(--lkr-primary, #0f766e);
	font-weight: 700;
	text-decoration: none;
}
.lkr-credit a:hover { text-decoration: underline; }

/* ---------- Móvil ---------- */
@media (max-width: 480px) {
	#lkr-ai-panel {
		position: fixed;
		inset: auto 8px 86px 8px;
		width: auto;
		height: min(72vh, 600px);
	}
}

/* ---------- Accesibilidad: menos movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
	#lkr-ai-root * { animation: none !important; transition: none !important; }
	.lkr-messages { scroll-behavior: auto; }
}

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
}