/* Nerva – Asistente Virtual · Municipalidad de Sastre y Ortiz */
#nerva-root {
	--nv-main: #0D5064;
	--nv-green: #3B786B;
	--nv-red: #D33228;
	--nv-gold: #F9B32E;
	--nv-cream: #F2EDD8;
	font-family: 'Massilia', 'Poppins', 'Inter', system-ui, sans-serif;
	font-size: 15px;
	line-height: 1.45;
}
#nerva-root *, #nerva-root *::before, #nerva-root *::after { box-sizing: border-box; }

/* Botón flotante */
#nerva-root .nerva-fab {
	position: fixed;
	right: 22px;
	bottom: 22px;
	z-index: 99990;
	width: 62px;
	height: 62px;
	border-radius: 50%;
	border: 3px solid var(--nv-cream);
	background: var(--nv-main);
	color: var(--nv-cream);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	box-shadow: 0 6px 20px rgba(0, 0, 0, .3);
	transition: background .2s, transform .2s;
	padding: 0;
}
#nerva-root .nerva-fab:hover { background: var(--nv-green); transform: scale(1.06); }
#nerva-root .nerva-fab.nerva-open { background: var(--nv-red); }

/* Panel */
#nerva-root .nerva-panel {
	position: fixed;
	right: 22px;
	bottom: 98px;
	z-index: 99991;
	width: 370px;
	max-width: calc(100vw - 24px);
	height: 540px;
	max-height: calc(100vh - 120px);
	background: #fff;
	border-radius: 18px;
	box-shadow: 0 12px 40px rgba(0, 0, 0, .3);
	display: flex;
	flex-direction: column;
	overflow: hidden;
}
#nerva-root .nerva-panel[hidden] { display: none; }

#nerva-root .nerva-header {
	background: var(--nv-main);
	color: var(--nv-cream);
	padding: 14px 16px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	border-bottom: 3px solid var(--nv-gold);
}
#nerva-root .nerva-title { display: flex; flex-direction: column; }
#nerva-root .nerva-title strong { font-size: 18px; letter-spacing: .5px; }
#nerva-root .nerva-title span { font-size: 12px; opacity: .85; }
#nerva-root .nerva-close {
	background: transparent;
	border: 0;
	color: var(--nv-cream);
	font-size: 28px;
	line-height: 1;
	cursor: pointer;
	padding: 0 4px;
}

/* Conversación */
#nerva-root .nerva-log {
	flex: 1;
	overflow-y: auto;
	padding: 14px;
	background: #faf8f0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}
#nerva-root .nerva-msg {
	max-width: 85%;
	padding: 10px 13px;
	border-radius: 14px;
	word-wrap: break-word;
	overflow-wrap: anywhere;
}
#nerva-root .nerva-bot {
	align-self: flex-start;
	background: #fff;
	color: #1f2d33;
	border: 1px solid #e6dfc6;
	border-bottom-left-radius: 4px;
}
#nerva-root .nerva-user {
	align-self: flex-end;
	background: var(--nv-main);
	color: var(--nv-cream);
	border-bottom-right-radius: 4px;
}
#nerva-root .nerva-msg a { color: var(--nv-green); text-decoration: underline; }
#nerva-root .nerva-user a { color: var(--nv-gold); }

/* Escribiendo… */
#nerva-root .nerva-typing { display: flex; gap: 5px; padding: 14px 16px; }
#nerva-root .nerva-typing span {
	width: 8px; height: 8px; border-radius: 50%;
	background: var(--nv-main); opacity: .35;
	animation: nerva-dot 1.2s infinite ease-in-out;
}
#nerva-root .nerva-typing span:nth-child(2) { animation-delay: .15s; }
#nerva-root .nerva-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes nerva-dot { 0%, 80%, 100% { opacity: .3; transform: scale(1); } 40% { opacity: 1; transform: scale(1.2); } }

/* Sugerencias */
#nerva-root .nerva-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	padding: 0 14px;
	background: #faf8f0;
}
#nerva-root .nerva-chips:not(:empty) { padding-bottom: 10px; }
#nerva-root .nerva-chip {
	border: 1.5px solid var(--nv-main);
	background: #fff;
	color: var(--nv-main);
	border-radius: 999px;
	padding: 6px 12px;
	font-size: 13px;
	cursor: pointer;
	font-family: inherit;
	transition: background .2s, color .2s;
}
#nerva-root .nerva-chip:hover { background: var(--nv-green); border-color: var(--nv-green); color: #fff; }

/* Formulario */
#nerva-root .nerva-form {
	display: flex;
	gap: 8px;
	padding: 10px 12px;
	border-top: 1px solid #e6dfc6;
	background: #fff;
}
#nerva-root .nerva-input {
	flex: 1;
	min-width: 0;
	border: 1.5px solid #cfc8ad;
	border-radius: 999px;
	padding: 9px 14px;
	font-size: 15px;
	font-family: inherit;
	outline: none;
}
#nerva-root .nerva-input:focus { border-color: var(--nv-main); }
#nerva-root .nerva-send {
	border: 0;
	background: var(--nv-main);
	color: var(--nv-cream);
	border-radius: 999px;
	padding: 0 16px;
	font-size: 14px;
	font-family: inherit;
	cursor: pointer;
	transition: background .2s;
}
#nerva-root .nerva-send:hover { background: var(--nv-red); }
#nerva-root .nerva-send:disabled { opacity: .5; cursor: default; background: var(--nv-main); }

#nerva-root .nerva-note {
	font-size: 11px;
	color: #6b7a80;
	text-align: center;
	padding: 0 12px 9px;
	background: #fff;
}

/* Móvil: panel casi a pantalla completa */
@media (max-width: 520px) {
	#nerva-root .nerva-panel {
		right: 8px;
		left: 8px;
		bottom: 90px;
		width: auto;
		max-width: none;
		height: calc(100vh - 110px);
	}
	#nerva-root .nerva-fab { right: 14px; bottom: 14px; }
}

/* v0.2.0 – acciones del encabezado e ícono con imagen propia */
#nerva-root .nerva-actions { display: flex; align-items: center; gap: 4px; }
#nerva-root .nerva-clear {
	background: transparent;
	border: 0;
	color: var(--nv-cream);
	cursor: pointer;
	padding: 4px;
	display: flex;
	align-items: center;
	opacity: .8;
	transition: opacity .2s;
}
#nerva-root .nerva-clear:hover { opacity: 1; }
#nerva-root .nerva-fab.nerva-img { background: #fff; padding: 7px; }
#nerva-root .nerva-fab.nerva-img:hover { background: var(--nv-cream); }
#nerva-root .nerva-fab.nerva-img.nerva-open { background: var(--nv-red); }
#nerva-root .nerva-fab img { width: 100%; height: 100%; object-fit: contain; border-radius: 50%; display: block; }

/* v0.3.0 – robot animado */
#nerva-root .nerva-robot { display: block; overflow: visible; }
#nerva-root .nerva-robot .nr-body { animation: nr-float 3s ease-in-out infinite; }
#nerva-root .nerva-robot .nr-eyes { transform-box: fill-box; transform-origin: center; animation: nr-blink 4s infinite; }
#nerva-root .nerva-robot .nr-ant { transform-box: fill-box; transform-origin: center; animation: nr-pulse 1.6s ease-in-out infinite; }
#nerva-root .nerva-fab:hover .nerva-robot .nr-body { animation-duration: 1s; }
@keyframes nr-float { 0%, 100% { transform: translate(0, 3px); } 50% { transform: translate(0, 0.5px); } }
@keyframes nr-blink { 0%, 90%, 100% { transform: scaleY(1); } 94% { transform: scaleY(.1); } }
@keyframes nr-pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: .65; } }
@media (prefers-reduced-motion: reduce) {
	#nerva-root .nerva-robot *, #nerva-root .nerva-fab:hover .nerva-robot .nr-body { animation: none !important; }
}

/* v0.4.0 – avatar, menú de temas y globito de saludo */
#nerva-root .nerva-head-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
#nerva-root .nerva-avatar {
	width: 44px;
	height: 44px;
	flex: none;
	border-radius: 50%;
	background: rgba(242, 237, 216, .15);
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	color: var(--nv-cream);
}
#nerva-root .nerva-avatar img { width: 100%; height: 100%; object-fit: contain; display: block; }

/* Menú de temas */
#nerva-root .nerva-menu {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
	margin-top: 2px;
}
#nerva-root .nerva-menu-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	min-height: 44px;
	padding: 8px 10px;
	border: 1.5px solid var(--nv-main);
	border-radius: 12px;
	background: #fff;
	color: var(--nv-main);
	font-family: inherit;
	font-size: 13.5px;
	font-weight: 600;
	line-height: 1.2;
	text-decoration: none;
	cursor: pointer;
	transition: background .2s, color .2s, transform .15s;
}
#nerva-root .nerva-menu-btn:hover,
#nerva-root .nerva-menu-btn:focus-visible {
	background: var(--nv-green);
	border-color: var(--nv-green);
	color: #fff;
	transform: translateY(-1px);
}

/* Globito de saludo */
#nerva-root .nerva-bubble {
	position: fixed;
	right: 96px;
	bottom: 34px;
	z-index: 99989;
	max-width: 230px;
	display: flex;
	align-items: flex-start;
	background: #fff;
	color: #1f2d33;
	border-radius: 16px;
	box-shadow: 0 6px 22px rgba(0, 0, 0, .25);
	animation: nerva-pop .35s ease-out;
}
#nerva-root .nerva-bubble[hidden] { display: none; }
#nerva-root .nerva-bubble::after {
	content: '';
	position: absolute;
	right: -7px;
	bottom: 16px;
	width: 14px;
	height: 14px;
	background: #fff;
	transform: rotate(45deg);
	border-radius: 2px;
}
#nerva-root .nerva-bubble-text {
	background: transparent;
	border: 0;
	padding: 11px 6px 11px 14px;
	font-family: inherit;
	font-size: 14px;
	line-height: 1.3;
	color: inherit;
	text-align: left;
	cursor: pointer;
}
#nerva-root .nerva-bubble-x {
	background: transparent;
	border: 0;
	color: #7a888d;
	font-size: 18px;
	line-height: 1;
	padding: 6px 9px 0 2px;
	cursor: pointer;
}
@keyframes nerva-pop { 0% { opacity: 0; transform: translateY(8px) scale(.95); } 100% { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { #nerva-root .nerva-bubble { animation: none; } }
@media (max-width: 520px) {
	#nerva-root .nerva-bubble { right: 84px; bottom: 24px; max-width: calc(100vw - 110px); }
}

/* v0.5.0 – mascota (robot con imagen): balanceo de lado a lado + parpadeo */
#nerva-root .nerva-fab.nerva-mascot {
	width: auto;
	height: auto;
	right: 18px;
	bottom: 12px;
	padding: 0;
	border: 0;
	border-radius: 0;
	background: transparent;
	box-shadow: none;
	overflow: visible;
}
#nerva-root .nerva-fab.nerva-mascot:hover,
#nerva-root .nerva-fab.nerva-mascot.nerva-open { background: transparent; transform: none; }
#nerva-root .nerva-bot-wrap {
	position: relative;
	display: block;
	width: 80px;
	transform-origin: 50% 92%;
	animation: nb-sway 3.8s ease-in-out infinite;
	filter: drop-shadow(0 5px 6px rgba(0, 0, 0, .35));
}
#nerva-root .nerva-bot-wrap img { display: block; width: 100%; height: auto; pointer-events: none; user-select: none; }
#nerva-root .nerva-bot-wrap .nerva-bot-shut {
	position: absolute;
	top: 0;
	left: 0;
	opacity: 0;
	animation: nb-blink 4.6s infinite;
}
#nerva-root .nerva-fab.nerva-mascot:hover .nerva-bot-wrap { animation-duration: 1.8s; }
@keyframes nb-sway {
	0%, 100% { transform: translate(-5px, 0) rotate(-5deg); }
	25%      { transform: translate(0, -3px) rotate(0deg); }
	50%      { transform: translate(5px, 0) rotate(5deg); }
	75%      { transform: translate(0, -3px) rotate(0deg); }
}
@keyframes nb-blink {
	0%, 84%, 88%, 92%, 100% { opacity: 0; }
	86%                     { opacity: 1; }
	94%, 96%                { opacity: 1; }
}
#nerva-root .nerva-panel.nerva-panel--mascot { bottom: 126px; max-height: calc(100vh - 146px); }
#nerva-root .nerva-bubble.nerva-bubble--mascot { right: 108px; bottom: 72px; }
@media (max-width: 520px) {
	#nerva-root .nerva-fab.nerva-mascot { right: 10px; bottom: 8px; }
	#nerva-root .nerva-bot-wrap { width: 66px; }
	#nerva-root .nerva-panel.nerva-panel--mascot { bottom: 106px; height: calc(100vh - 126px); max-height: none; }
	#nerva-root .nerva-bubble.nerva-bubble--mascot { right: 84px; bottom: 56px; }
}
/* Si el sistema pide "reducir movimiento", el robot sigue vivo pero con un balanceo mínimo (solo parpadeo y un leve vaivén). */
@media (prefers-reduced-motion: reduce) {
	#nerva-root .nerva-bot-wrap,
	#nerva-root .nerva-fab.nerva-mascot:hover .nerva-bot-wrap { animation: nb-sway-soft 6s ease-in-out infinite; }
}
@keyframes nb-sway-soft {
	0%, 100% { transform: translateX(-2px); }
	50%      { transform: translateX(2px); }
}


/* v0.5.1 – ícono más chico, recuadros más chicos y letra más liviana */
#nerva-root { font-size: 14px; }
#nerva-root .nerva-bot-wrap { width: 64px; }
#nerva-root .nerva-panel.nerva-panel--mascot { bottom: 108px; max-height: calc(100vh - 128px); }
#nerva-root .nerva-bubble.nerva-bubble--mascot { right: 94px; bottom: 58px; }

#nerva-root .nerva-log { gap: 8px; padding: 12px; }
#nerva-root .nerva-msg {
	max-width: 88%;
	padding: 7px 11px;
	border-radius: 12px;
	font-size: 13px;
	font-weight: 400;
	line-height: 1.4;
	color: #3b4a50;
}
#nerva-root .nerva-user { color: var(--nv-cream); }
#nerva-root .nerva-msg strong { font-weight: 500; color: var(--nv-main); }
#nerva-root .nerva-user strong { color: inherit; }

#nerva-root .nerva-menu { gap: 6px; }
#nerva-root .nerva-menu-btn {
	min-height: 32px;
	padding: 5px 8px;
	border-width: 1px;
	border-radius: 10px;
	font-size: 12.5px;
	font-weight: 500;
}
#nerva-root .nerva-menu-btn:last-child:nth-child(odd) { grid-column: 1 / -1; }

#nerva-root .nerva-input { font-size: 13.5px; padding: 8px 13px; }
#nerva-root .nerva-send { font-size: 13px; font-weight: 500; }
#nerva-root .nerva-bubble-text { font-size: 13px; font-weight: 400; }
#nerva-root .nerva-title span { font-weight: 400; }

@media (max-width: 520px) {
	#nerva-root .nerva-bot-wrap { width: 54px; }
	#nerva-root .nerva-panel.nerva-panel--mascot { bottom: 90px; height: calc(100vh - 110px); max-height: none; }
	#nerva-root .nerva-bubble.nerva-bubble--mascot { right: 74px; bottom: 44px; }
}

/* v0.5.2 – recuadros un poco más chicos y resaltado rojo translúcido */
#nerva-root .nerva-log { gap: 7px; padding: 11px; }
#nerva-root .nerva-msg {
	padding: 6px 10px;
	border-radius: 11px;
	font-size: 12.5px;
	line-height: 1.38;
}
#nerva-root .nerva-menu { gap: 5px; }
#nerva-root .nerva-menu-btn {
	min-height: 28px;
	padding: 4px 8px;
	border-radius: 9px;
	font-size: 12px;
}
#nerva-root .nerva-menu-btn:hover,
#nerva-root .nerva-menu-btn:focus-visible {
	background: rgba(211, 50, 40, .7);
	border-color: rgba(211, 50, 40, .7);
	color: var(--nv-cream);
	transform: none;
}
#nerva-root .nerva-input { font-size: 13px; padding: 7px 12px; }

/* v0.5.4 – asistente más arriba (no tapa el pie de página) */
#nerva-root .nerva-fab.nerva-mascot { bottom: 49px; }
#nerva-root .nerva-panel.nerva-panel--mascot { bottom: 135px; max-height: calc(100vh - 155px); }
#nerva-root .nerva-bubble.nerva-bubble--mascot { bottom: 89px; }
@media (max-width: 520px) {
	#nerva-root .nerva-fab.nerva-mascot { bottom: 41px; }
	#nerva-root .nerva-panel.nerva-panel--mascot { bottom: 115px; height: calc(100vh - 135px); max-height: none; }
	#nerva-root .nerva-bubble.nerva-bubble--mascot { bottom: 75px; }
}

/* v0.5.4 – recuadros del menú ajustados al texto */
#nerva-root .nerva-menu { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
#nerva-root .nerva-menu-btn {
	width: auto;
	flex: 0 0 auto;
	min-height: 0;
	padding: 4px 12px;
	font-size: 12px;
	border-radius: 9px;
}
#nerva-root .nerva-menu-btn:last-child:nth-child(odd) { grid-column: auto; }