/**
 * Simple FAQ Blocks — Frontend CSS
 *
 * Estilos para los tres modos visuales: accordion, list y cards.
 * Responsive, accesible y sin dependencias externas.
 *
 * @package SimpleFAQBlocks
 * @version 1.0.0
 */

/* =========================================================
   Variables CSS — personalizables desde el tema o bloque
   ========================================================= */
:root {
	--sfb-color-primary:       #1a73e8;
	--sfb-color-primary-dark:  #1558b0;
	--sfb-color-text:          #1f2937;
	--sfb-color-text-muted:    #6b7280;
	--sfb-color-bg:            #ffffff;
	--sfb-color-bg-hover:      #f8faff;
	--sfb-color-bg-answer:     #f9fafb;
	--sfb-color-border:        #e5e7eb;
	--sfb-color-border-focus:  #1a73e8;
	--sfb-color-card-shadow:   0 1px 4px rgba(0, 0, 0, .08);
	--sfb-color-card-shadow-h: 0 4px 16px rgba(0, 0, 0, .12);

	--sfb-font-size-question:  1rem;
	--sfb-font-size-answer:    0.9375rem;
	--sfb-font-weight-question: 600;

	--sfb-border-radius:       8px;
	--sfb-transition:          0.25s ease;
	--sfb-gap:                 0.5rem;
}

/* =========================================================
   Contenedor base
   ========================================================= */
.sfb-faq {
	box-sizing:  border-box;
	width:       100%;
	font-family: inherit;
	color:       var(--sfb-color-text);
}

.sfb-faq *,
.sfb-faq *::before,
.sfb-faq *::after {
	box-sizing: border-box;
}

/* =========================================================
   Estilo: Acordeón
   ========================================================= */
.sfb-faq--accordion {
	display:        flex;
	flex-direction: column;
	gap:            var(--sfb-gap);
}

.sfb-faq--accordion .sfb-faq__item {
	border:        1px solid var(--sfb-color-border);
	border-radius: var(--sfb-border-radius);
	overflow:      hidden;
	background:    var(--sfb-color-bg);
	transition:    box-shadow var(--sfb-transition);
}

.sfb-faq--accordion .sfb-faq__item:has(.sfb-faq__question[aria-expanded="true"]) {
	box-shadow: var(--sfb-color-card-shadow);
}

/* Botón pregunta */
.sfb-faq--accordion .sfb-faq__question {
	display:         flex;
	align-items:     center;
	justify-content: space-between;
	gap:             1rem;
	width:           100%;
	padding:         1rem 1.25rem;
	background:      transparent;
	border:          none;
	cursor:          pointer;
	text-align:      left;
	font-size:       var(--sfb-font-size-question);
	font-weight:     var(--sfb-font-weight-question);
	color:           var(--sfb-color-text);
	line-height:     1.4;
	transition:      background var(--sfb-transition), color var(--sfb-transition);
}

.sfb-faq--accordion .sfb-faq__question:hover {
	background: var(--sfb-color-bg-hover);
	color:      var(--sfb-color-primary);
}

.sfb-faq--accordion .sfb-faq__question:focus-visible {
	outline:        2px solid var(--sfb-color-border-focus);
	outline-offset: -2px;
	border-radius:  calc( var(--sfb-border-radius) - 1px );
}

/* Ícono chevron mediante CSS puro */
.sfb-faq--accordion .sfb-faq__question::after {
	content:     '';
	flex-shrink: 0;
	display:     inline-block;
	width:       1rem;
	height:      1rem;
	background:  currentColor;
	mask-image:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M8 10.293L2.354 4.646a.5.5 0 1 0-.708.708l6 6a.5.5 0 0 0 .708 0l6-6a.5.5 0 0 0-.708-.708L8 10.293z'/%3E%3C/svg%3E");
	mask-repeat:   no-repeat;
	mask-position: center;
	mask-size:     contain;
	transition:  transform var(--sfb-transition);
}

.sfb-faq--accordion .sfb-faq__question[aria-expanded="true"]::after {
	transform: rotate(180deg);
}

.sfb-faq--accordion .sfb-faq__question[aria-expanded="true"] {
	color:            var(--sfb-color-primary);
	border-bottom:    1px solid var(--sfb-color-border);
}

/* Respuesta */
.sfb-faq--accordion .sfb-faq__answer {
	padding:    0 1.25rem;
	background: var(--sfb-color-bg-answer);
	font-size:  var(--sfb-font-size-answer);
	color:      var(--sfb-color-text);
	line-height: 1.7;

	max-height: 0;
	overflow:   hidden;
	transition: max-height var(--sfb-transition), padding var(--sfb-transition);
}

/* Cuando no tiene `hidden`, se muestra */
.sfb-faq--accordion .sfb-faq__answer:not([hidden]) {
	max-height: 1000px; /* valor suficientemente grande */
	padding:    1rem 1.25rem;
}

/* Estado de animación durante cierre */
.sfb-faq--accordion .sfb-faq__answer--closing {
	max-height: 0 !important;
	padding:    0 1.25rem !important;
}

/* Anulamos el display:none nativo de `hidden` para poder animar */
.sfb-faq--accordion .sfb-faq__answer[hidden] {
	display: block; /* override `hidden` para que CSS transition funcione */
}

.sfb-faq--accordion .sfb-faq__answer[hidden]:not(.sfb-faq__answer--closing) {
	display: none; /* ocultar si no está en transición */
}

/* =========================================================
   Estilo: Lista
   ========================================================= */
.sfb-faq--list {
	display:        flex;
	flex-direction: column;
	gap:            1.5rem;
}

.sfb-faq--list .sfb-faq__item {
	padding-bottom: 1.5rem;
	border-bottom:  1px solid var(--sfb-color-border);
}

.sfb-faq--list .sfb-faq__item:last-child {
	border-bottom: none;
	padding-bottom: 0;
}

.sfb-faq--list .sfb-faq__question {
	display:     block;
	width:       100%;
	background:  none;
	border:      none;
	padding:     0;
	cursor:      default;
	text-align:  left;
	font-size:   var(--sfb-font-size-question);
	font-weight: var(--sfb-font-weight-question);
	color:       var(--sfb-color-primary);
	line-height: 1.4;
	margin-bottom: 0.5rem;
}

.sfb-faq--list .sfb-faq__question:focus-visible {
	outline: 2px solid var(--sfb-color-border-focus);
	outline-offset: 2px;
	border-radius: 2px;
}

.sfb-faq--list .sfb-faq__answer {
	font-size:   var(--sfb-font-size-answer);
	color:       var(--sfb-color-text);
	line-height: 1.7;
}

/* En modo lista, la respuesta siempre visible */
.sfb-faq--list .sfb-faq__answer[hidden] {
	display: block;
}

/* =========================================================
   Estilo: Tarjetas
   ========================================================= */
.sfb-faq--cards {
	display:               grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap:                   1.25rem;
}

.sfb-faq--cards .sfb-faq__item {
	background:    var(--sfb-color-bg);
	border:        1px solid var(--sfb-color-border);
	border-radius: calc( var(--sfb-border-radius) * 1.5 );
	padding:       1.5rem;
	box-shadow:    var(--sfb-color-card-shadow);
	transition:    box-shadow var(--sfb-transition), transform var(--sfb-transition);
}

.sfb-faq--cards .sfb-faq__item:hover {
	box-shadow: var(--sfb-color-card-shadow-h);
	transform:  translateY(-2px);
}

.sfb-faq--cards .sfb-faq__question {
	display:       block;
	width:         100%;
	background:    none;
	border:        none;
	padding:       0;
	cursor:        default;
	text-align:    left;
	font-size:     var(--sfb-font-size-question);
	font-weight:   var(--sfb-font-weight-question);
	color:         var(--sfb-color-primary);
	line-height:   1.4;
	margin-bottom: 0.75rem;
}

.sfb-faq--cards .sfb-faq__question:focus-visible {
	outline:        2px solid var(--sfb-color-border-focus);
	outline-offset: 2px;
	border-radius:  2px;
}

.sfb-faq--cards .sfb-faq__answer {
	font-size:   var(--sfb-font-size-answer);
	color:       var(--sfb-color-text-muted);
	line-height: 1.7;
}

/* En modo cards, la respuesta siempre visible */
.sfb-faq--cards .sfb-faq__answer[hidden] {
	display: block;
}

/* =========================================================
   Contenido de la respuesta — tipografía interna
   ========================================================= */
.sfb-faq__answer p {
	margin: 0 0 0.75em;
}

.sfb-faq__answer p:last-child {
	margin-bottom: 0;
}

.sfb-faq__answer ul,
.sfb-faq__answer ol {
	margin:       0 0 0.75em;
	padding-left: 1.5em;
}

.sfb-faq__answer a {
	color:           var(--sfb-color-primary);
	text-decoration: underline;
}

.sfb-faq__answer a:hover {
	color: var(--sfb-color-primary-dark);
}

/* =========================================================
   Aviso de administrador
   ========================================================= */
.sfb-admin-notice {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* =========================================================
   Responsive
   ========================================================= */
@media ( max-width: 600px ) {
	.sfb-faq--cards {
		grid-template-columns: 1fr;
	}

	.sfb-faq--accordion .sfb-faq__question {
		padding:   0.875rem 1rem;
		font-size: 0.9375rem;
	}

	.sfb-faq--accordion .sfb-faq__answer:not([hidden]) {
		padding: 0.875rem 1rem;
	}

	.sfb-faq--cards .sfb-faq__item {
		padding: 1.25rem;
	}
}

/* =========================================================
   Accesibilidad — reducir movimiento
   ========================================================= */
@media ( prefers-reduced-motion: reduce ) {
	.sfb-faq--accordion .sfb-faq__question::after,
	.sfb-faq--accordion .sfb-faq__question,
	.sfb-faq--accordion .sfb-faq__answer,
	.sfb-faq--accordion .sfb-faq__item,
	.sfb-faq--cards .sfb-faq__item {
		transition: none;
	}
}