/**
 * IAT core CSS — sistema de diseño compartido por todas las herramientas.
 *
 * THEME-AGNOSTIC: los fondos y el color de texto HEREDAN del theme (no se
 * imponen). Las superficies sutiles se derivan de currentColor con color-mix,
 * así funcionan igual sobre fondo claro u oscuro. Solo el acento, los botones
 * y los bordes tienen tono propio. Ocupa todo el ancho del contenedor.
 * Prefijo .iat- para no colisionar con el tema.
 */

.iat {
	/* Paleta de marca AcusticaX (azul marino + celeste). El acento se puede
	   sobreescribir desde Ajustes; los demás tonos son fijos de marca.
	   Contraste AA verificado sobre fondo claro para textos e iconos. */
	--iat-accent: #1a2b49;   /* azul marino — marca principal (texto/botones/bordes) */
	--iat-accent-2: #00c4cc; /* celeste puro — resaltes, degradado, estados activos */
	--iat-link: #00757a;     /* celeste accesible — enlaces/interacción sobre claro */
	/* Semánticos armonizados con la marca: verde con matiz teal y ámbar bronce
	   apagado (nada de verdes/naranjas saturados que desentonen con navy+celeste). */
	--iat-ok: #0f8a6a;
	--iat-warn: #a16207;
	--iat-danger: #bd332e;

	/* Superficies y líneas derivadas del color del theme (currentColor). */
	--iat-surface: color-mix(in srgb, currentColor 6%, transparent);
	--iat-surface-2: color-mix(in srgb, currentColor 12%, transparent);
	--iat-line: color-mix(in srgb, currentColor 22%, transparent);
	--iat-muted: color-mix(in srgb, currentColor 78%, transparent); /* ≥4,5:1 (AA) sobre fondos claros típicos */

	--iat-radius: 16px;
	--iat-radius-sm: 10px;

	/* Fuente de marca AcusticaX: Poppins (la carga el theme). Fallbacks del sistema. */
	--iat-font: 'Poppins', system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

	box-sizing: border-box;
	width: 100%;
	margin: 1.5rem 0;
	color: inherit;                    /* hereda el color de texto del theme */
	font-family: var(--iat-font);      /* fuente de marca (Poppins) */
	line-height: 1.55;
}

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

/* ------------------------------------------------------------------ Panel */
.iat-panel {
	background: transparent;               /* usa el fondo del theme */
	color: inherit;
	border: 1px solid var(--iat-line);
	border-radius: var(--iat-radius);
	padding: clamp(1.25rem, 4vw, 2rem);
	position: relative;
	overflow: hidden;
}
.iat-panel::before {
	content: "";
	position: absolute;
	inset: 0 0 auto 0;
	height: 4px;
	background: linear-gradient(90deg, var(--iat-accent), var(--iat-accent-2));
}

.iat-kicker {
	display: inline-flex;
	align-items: center;
	gap: .5ch;
	font-size: .8rem;
	font-weight: 700;
	letter-spacing: .08em;
	text-transform: uppercase;
	color: var(--iat-accent);
	margin: 0 0 .5rem;
}
.iat-title {
	font-size: clamp(1.4rem, 4.5vw, 2rem);
	font-weight: 800;
	margin: 0 0 .35rem;
	color: inherit;
	line-height: 1.15;
}
.iat-lead {
	color: var(--iat-muted);
	margin: 0 0 1.25rem;
	font-size: 1rem;
}

/* ----------------------------------------------------------------- Botones */
.iat-btn {
	-webkit-appearance: none;
	appearance: none;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .5ch;
	font: inherit;
	font-weight: 700;
	border: 0;
	border-radius: 999px;
	padding: .85em 1.6em;
	cursor: pointer;
	transition: transform .08s ease, background .15s ease, opacity .15s ease;
	text-decoration: none;
	min-height: 48px;
}
.iat-btn:active { transform: translateY(1px); }
.iat-btn:focus-visible { outline: 3px solid var(--iat-accent); outline-offset: 2px; }
.iat-btn[disabled] { opacity: .45; cursor: not-allowed; }
.iat-btn--lg { font-size: 1.1rem; padding: 1em 2em; }
.iat-btn--block { width: 100%; }

/* Blindaje frente al theme: muchos temas estilizan button/button:hover (fondo y
   color), lo que pisaba estos botones. Forzamos color y fondo en todos los
   estados, con prefijo .iat y !important, para que el theme no interfiera. */
.iat .iat-btn--primary,
.iat .iat-btn--primary:hover,
.iat .iat-btn--primary:focus,
.iat .iat-btn--primary:active {
	background-color: var(--iat-accent) !important;
	color: #fff !important;
}
/* Hover del primario: pasa a celeste accesible (navy → teal), texto blanco legible. */
.iat .iat-btn--primary:hover { background-color: var(--iat-link) !important; }

.iat .iat-btn--secondary,
.iat .iat-btn--secondary:hover,
.iat .iat-btn--secondary:focus,
.iat .iat-btn--secondary:active {
	color: inherit !important;
	background-color: var(--iat-surface-2) !important;
}
.iat .iat-btn--secondary:hover { background-color: var(--iat-line) !important; }

.iat .iat-btn--ghost,
.iat .iat-btn--ghost:hover,
.iat .iat-btn--ghost:focus,
.iat .iat-btn--ghost:active {
	background-color: transparent !important;
	color: var(--iat-accent) !important;
	border: 2px solid currentColor;
}
.iat .iat-btn--ghost:hover { background-color: var(--iat-surface) !important; }

.iat-btn-row {
	display: flex;
	flex-wrap: wrap;
	gap: .75rem;
	margin-top: 1rem;
}

/* ------------------------------------------------------------------ Avisos */
.iat-note {
	display: flex;
	gap: .75rem;
	align-items: flex-start;
	border-radius: var(--iat-radius-sm);
	padding: .85rem 1rem;
	font-size: .9rem;
	margin: 1rem 0 0;
	color: inherit;
}
.iat-note__icon { flex: 0 0 auto; font-size: 1.1rem; line-height: 1.4; }
.iat-note--warn { background: color-mix(in srgb, var(--iat-warn) 16%, transparent); border: 1px solid color-mix(in srgb, var(--iat-warn) 42%, transparent); }
.iat-note--info { background: var(--iat-surface); border: 1px solid var(--iat-line); }
.iat-note--danger { background: color-mix(in srgb, var(--iat-danger) 15%, transparent); border: 1px solid color-mix(in srgb, var(--iat-danger) 40%, transparent); }

/* --------------------------------------------------------------- Controles */
.iat-field { margin: 1rem 0; }
.iat-field__label { display: block; font-weight: 600; margin-bottom: .4rem; color: inherit; }
.iat-range { width: 100%; accent-color: var(--iat-accent); height: 28px; }
.iat-value-pill {
	display: inline-block;
	min-width: 5ch;
	text-align: center;
	font-variant-numeric: tabular-nums;
	font-weight: 800;
	color: inherit;
	background: var(--iat-surface-2);
	border-radius: 999px;
	padding: .15em .8em;
}

/* Inputs, selects, chips y segmentado (compartidos, theme-agnostic) */
.iat-input,
.iat-select {
	font: inherit;
	color: inherit;
	background: var(--iat-surface);
	border: 1px solid var(--iat-line);
	border-radius: var(--iat-radius-sm);
	padding: .7em .85em;
	width: 100%;
	min-height: 46px;
}
.iat-input:focus,
.iat-select:focus {
	outline: none;
	border-color: var(--iat-accent);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--iat-accent) 30%, transparent);
}
.iat-select { cursor: pointer; }
.iat-input-group { display: flex; gap: .5rem; }
.iat-input-group .iat-input { flex: 1 1 auto; }
.iat-input-group .iat-select { width: auto; min-width: 6.5rem; }
.iat-select--block { width: 100%; }
.iat-field__help { display: block; margin-top: .35rem; color: var(--iat-muted); font-size: .8rem; }

.iat-chip {
	font: inherit;
	font-size: .82rem;
	font-weight: 600;
	color: inherit;
	background: var(--iat-surface);
	border: 1px solid var(--iat-line);
	border-radius: 999px;
	padding: .4em .9em;
	cursor: pointer;
	transition: background .15s ease, border-color .15s ease;
}
.iat-chip:hover { background: var(--iat-surface-2); border-color: var(--iat-accent); }

.iat-segmented {
	display: inline-flex;
	flex-wrap: wrap;
	gap: .4rem;
	background: var(--iat-surface);
	border-radius: 999px;
	padding: .3rem;
}
.iat-seg {
	font: inherit;
	font-size: .85rem;
	font-weight: 600;
	color: var(--iat-muted);
	background: transparent;
	border: 0;
	border-radius: 999px;
	padding: .55em 1em;
	cursor: pointer;
	transition: background .15s ease, color .15s ease;
}
.iat-seg.is-active { background: var(--iat-accent); color: #fff; }
.iat-chip:focus-visible,
.iat-seg:focus-visible { outline: 3px solid var(--iat-accent); outline-offset: 2px; }

/* Blindaje frente al theme (chips y segmentado son <button>) */
.iat .iat-seg,
.iat .iat-seg:hover,
.iat .iat-seg:focus { color: var(--iat-muted) !important; background-color: transparent !important; }
.iat .iat-seg.is-active { color: #fff !important; background-color: var(--iat-accent) !important; }
.iat .iat-chip,
.iat .iat-chip:hover,
.iat .iat-chip:focus { color: inherit !important; }
.iat .iat-chip { background-color: var(--iat-surface) !important; }
.iat .iat-chip:hover { background-color: var(--iat-surface-2) !important; }

/* Tabla de datos (compartida) */
.iat-table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .95rem; }
.iat-table th,
.iat-table td { text-align: left; padding: .6rem .8rem; border-bottom: 1px solid var(--iat-line); }
.iat-table thead th { background: var(--iat-surface); font-weight: 700; color: inherit; }
.iat-table tbody tr:nth-child(odd) td { background: var(--iat-surface); }

/* Badge */
.iat-badge { display: inline-block; font-size: .72rem; font-weight: 700; padding: .15em .6em; border-radius: 999px; }
.iat-badge--warn { background: color-mix(in srgb, var(--iat-warn) 22%, transparent); color: var(--iat-warn); }

/* Pestañas (compartido) */
.iat-tabs {
	display: flex;
	gap: .4rem;
	background: var(--iat-surface);
	border-radius: 999px;
	padding: .3rem;
	margin: .5rem 0 1.25rem;
}
.iat-tab {
	flex: 1;
	font: inherit;
	font-weight: 700;
	font-size: .9rem;
	color: var(--iat-muted);
	background: transparent;
	border: 0;
	border-radius: 999px;
	padding: .6em .5em;
	cursor: pointer;
	min-height: 42px;
	transition: background .15s ease, color .15s ease;
}
.iat-tab.is-active { background: var(--iat-accent); color: #fff; }
.iat-tab:focus-visible { outline: 3px solid var(--iat-accent); outline-offset: 2px; }
.iat .iat-tab,
.iat .iat-tab:hover,
.iat .iat-tab:focus { color: var(--iat-muted) !important; background-color: transparent !important; }
.iat .iat-tab.is-active { color: #fff !important; background-color: var(--iat-accent) !important; }

/* ------------------------------------------------------------------ Pasos */
.iat-screen { display: none; }
.iat-screen.is-active { display: block; animation: iat-fade .25s ease; }
@keyframes iat-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.iat-progress { display: flex; gap: 6px; margin: 0 0 1.25rem; }
.iat-progress__dot { flex: 1; height: 6px; border-radius: 999px; background: var(--iat-surface-2); }
.iat-progress__dot.is-done { background: var(--iat-accent); }

/* --------------------------------------------------- Contenido SEO */
.iat-content { margin-top: 1.5rem; color: inherit; }
.iat-content h2 { font-size: 1.4rem; margin: 1.5rem 0 .5rem; color: inherit; }
.iat-content h3 { font-size: 1.1rem; margin: 1.25rem 0 .35rem; color: inherit; }
/* Enlaces del contenido/FAQ en el celeste accesible de marca (AA sobre claro). */
.iat-content a, .iat-faq a { color: var(--iat-link); text-decoration: underline; }
.iat-content a:hover, .iat-faq a:hover { color: var(--iat-accent-2); }
.iat-faq { border-top: 1px solid var(--iat-line); margin-top: 1rem; }
.iat-faq details { border-bottom: 1px solid var(--iat-line); padding: .9rem 0; }
.iat-faq summary { cursor: pointer; font-weight: 700; color: inherit; list-style: none; }
.iat-faq summary::-webkit-details-marker { display: none; }
.iat-faq summary::before { content: "+ "; color: var(--iat-accent); font-weight: 800; }
.iat-faq details[open] summary::before { content: "– "; }

/* --------------------------------------------- Resultados (compartido) */
.iat-result__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
	margin: .75rem 0 1rem;
}
.iat-result__grid--3 { grid-template-columns: repeat(3, 1fr); }
.iat-result__metric {
	background: var(--iat-surface);
	border: 1px solid var(--iat-line);
	border-radius: var(--iat-radius-sm);
	padding: 1rem 1.1rem;
	display: flex;
	flex-direction: column;
	gap: .25rem;
}
.iat-result__num { font-size: 2rem; font-weight: 800; line-height: 1.05; color: inherit; }
.iat-result__num--sm { font-size: 1.35rem; }
.iat-result__lbl {
	font-size: .85rem;
	color: var(--iat-muted);
	text-transform: uppercase;
	letter-spacing: .04em;
}
.iat-result__card {
	margin: 1.25rem 0;
	border-radius: var(--iat-radius-sm);
	overflow: hidden;
	box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
}
.iat-result__card canvas { display: block; width: 100%; height: auto; }
@media (max-width: 560px) {
	.iat-result__grid,
	.iat-result__grid--3 { grid-template-columns: 1fr; }
}

/* Par de botones grandes (sí/no, X=A/X=B…) */
.iat-answers {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: .9rem;
	margin: .5rem 0;
}
.iat-answers .iat-btn { width: 100%; }
@media (max-width: 480px) { .iat-answers { grid-template-columns: 1fr; } }

/* ---------------------------------------------- Checkbox con etiqueta */
.iat-check { display: flex; align-items: center; gap: .5rem; color: inherit; cursor: pointer; margin: .5rem 0; }
.iat-check input { width: 18px; height: 18px; accent-color: var(--iat-accent); }

/* ------------------------------------------------ Spinner (compartido) */
.iat-spinner {
	width: 22px; height: 22px;
	border: 3px solid var(--iat-line);
	border-top-color: var(--iat-accent);
	border-radius: 50%;
	animation: iat-spin .8s linear infinite;
}
@keyframes iat-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .iat-spinner { animation-duration: 2s; } }

/* ------------------------------------------------------- Accesibilidad */
.iat-visually-hidden {
	position: absolute !important;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden; clip: rect(0, 0, 0, 0);
	white-space: nowrap; border: 0;
}
@media (prefers-reduced-motion: reduce) {
	.iat-screen.is-active { animation: none; }
}