/* ==========================================================================
   PINN Interactive Explorer (Laboratorio de la Función de Pérdida y Colocación)
   Estilos desacoplados y completamente adaptables para el blog de ensayos SciML
   ========================================================================== */

.pinn-explorer-widget {
	--pinn-cyan: #38bdf8;
	--pinn-cyan-glow: rgba(56, 189, 248, 0.35);
	--pinn-blue: #6366f1;
	--pinn-indigo: #4f46e5;
	--pinn-purple: #a855f7;
	--pinn-purple-glow: rgba(168, 85, 247, 0.3);
	--pinn-emerald: #10b981;
	--pinn-amber: #f59e0b;
	--pinn-rose: #f43f5e;
	--pinn-bg-dark: #090e17;
	--pinn-panel-bg: rgba(15, 23, 42, 0.85);
	--pinn-card-bg: rgba(30, 41, 59, 0.65);
	--pinn-border: rgba(56, 189, 248, 0.22);
	--pinn-border-hover: rgba(56, 189, 248, 0.5);
	--pinn-text: #f1f5f9;
	--pinn-text-muted: #94a3b8;
	--pinn-text-dim: #64748b;

	margin: 2.5rem 0;
	padding: 1.5rem;
	background: radial-gradient(circle at 15% 15%, rgba(56, 189, 248, 0.08) 0%, transparent 45%),
	            radial-gradient(circle at 85% 85%, rgba(168, 85, 247, 0.08) 0%, transparent 45%),
	            linear-gradient(155deg, #070b13 0%, #0d1527 100%);
	border: 1px solid var(--pinn-border);
	border-radius: 18px;
	box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.7), 0 0 28px -6px var(--pinn-cyan-glow);
	color: var(--pinn-text);
	font-family: var(--font-atkinson, system-ui, -apple-system, sans-serif);
	box-sizing: border-box;
	overflow: hidden;
	position: relative;
}

/* Encabezado */
.pinn-exp-header {
	text-align: center;
	margin-bottom: 1.25rem;
	padding-bottom: 1rem;
	border-bottom: 1px solid rgba(56, 189, 248, 0.18);
}

.pinn-exp-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	background: rgba(56, 189, 248, 0.12);
	color: var(--pinn-cyan);
	border: 1px solid rgba(56, 189, 248, 0.35);
	padding: 0.25rem 0.85rem;
	border-radius: 9999px;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	margin-bottom: 0.5rem;
}

.pinn-exp-title {
	font-size: 1.35rem;
	font-weight: 700;
	color: #ffffff;
	margin: 0 0 0.35rem 0;
	line-height: 1.3;
}

.pinn-exp-subtitle {
	font-size: 0.88rem;
	color: var(--pinn-text-muted);
	margin: 0;
	max-width: 700px;
	margin-inline: auto;
	line-height: 1.45;
}

/* Barra de Escenarios Predefinidos */
.pinn-presets-container {
	margin-bottom: 1.25rem;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.5rem;
}

.pinn-presets-label {
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--pinn-text-dim);
	font-weight: 700;
}

.pinn-presets-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	justify-content: center;
}

.pinn-preset-btn {
	background: rgba(30, 41, 59, 0.8);
	color: var(--pinn-text);
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: 9999px;
	padding: 0.4rem 0.85rem;
	font-size: 0.8rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s ease;
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	user-select: none;
}

.pinn-preset-btn:hover {
	background: rgba(56, 189, 248, 0.18);
	border-color: var(--pinn-cyan);
	color: #fff;
	transform: translateY(-1px);
}

.pinn-preset-btn.active {
	background: linear-gradient(135deg, rgba(56, 189, 248, 0.25), rgba(99, 102, 241, 0.3));
	border-color: var(--pinn-cyan);
	color: #ffffff;
	box-shadow: 0 0 12px var(--pinn-cyan-glow);
}

/* Layout Principal: Dos columnas en Desktop */
.pinn-main-layout {
	display: grid;
	grid-template-columns: 1fr 340px;
	gap: 1.25rem;
	align-items: start;
}

@media (max-width: 920px) {
	.pinn-main-layout {
		grid-template-columns: 1fr;
	}
}

/* Área del Canvas y Gráficos */
.pinn-canvas-wrapper {
	background: var(--pinn-bg-dark);
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 14px;
	padding: 0.85rem;
	box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.6);
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
}

.pinn-canvas-toolbar {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.pinn-view-switch {
	display: inline-flex;
	background: rgba(15, 23, 42, 0.9);
	padding: 0.2rem;
	border-radius: 8px;
	border: 1px solid rgba(255, 255, 255, 0.08);
}

.pinn-view-btn {
	background: transparent;
	border: none;
	color: var(--pinn-text-muted);
	font-size: 0.76rem;
	font-weight: 600;
	padding: 0.3rem 0.65rem;
	border-radius: 6px;
	cursor: pointer;
	transition: all 0.15s ease;
}

.pinn-view-btn.active {
	background: rgba(56, 189, 248, 0.22);
	color: var(--pinn-cyan);
}

.pinn-canvas-container {
	position: relative;
	width: 100%;
	aspect-ratio: 16 / 9;
	max-height: 380px;
	min-height: 260px;
	background: #060a12;
	border-radius: 10px;
	overflow: hidden;
}

.pinn-canvas-container canvas {
	width: 100%;
	height: 100%;
	display: block;
}

/* Leyenda del Gráfico */
.pinn-legend {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem 1.25rem;
	justify-content: center;
	font-size: 0.78rem;
	color: var(--pinn-text-muted);
	padding-top: 0.3rem;
}

.pinn-legend-item {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
}

.pinn-legend-line {
	width: 16px;
	height: 3px;
	border-radius: 2px;
}

.pinn-legend-line.solid-cyan {
	background: var(--pinn-cyan);
	box-shadow: 0 0 6px var(--pinn-cyan);
}

.pinn-legend-line.dashed-exact {
	border-top: 2px dashed #94a3b8;
	height: 0;
}

.pinn-legend-dot {
	width: 9px;
	height: 9px;
	border-radius: 50%;
}

.pinn-legend-dot.amber {
	background: var(--pinn-amber);
	box-shadow: 0 0 6px var(--pinn-amber);
}

.pinn-legend-dot.purple-diamond {
	width: 8px;
	height: 8px;
	background: var(--pinn-purple);
	transform: rotate(45deg);
}

/* Panel de Controles Lateral */
.pinn-controls-panel {
	display: flex;
	flex-direction: column;
	gap: 0.85rem;
}

.pinn-card {
	background: var(--pinn-panel-bg);
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 12px;
	padding: 0.9rem;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.pinn-card-title {
	font-size: 0.82rem;
	font-weight: 700;
	color: #fff;
	margin: 0 0 0.75rem 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.pinn-card-badge {
	font-size: 0.68rem;
	padding: 0.15rem 0.45rem;
	border-radius: 4px;
	background: rgba(56, 189, 248, 0.15);
	color: var(--pinn-cyan);
	font-weight: 600;
}

/* Grupos de Deslizadores */
.pinn-slider-group {
	margin-bottom: 0.75rem;
}

.pinn-slider-group:last-child {
	margin-bottom: 0;
}

.pinn-slider-label {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	font-size: 0.77rem;
	color: var(--pinn-text-muted);
	margin-bottom: 0.3rem;
}

.pinn-slider-val {
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
	font-weight: 700;
	color: var(--pinn-cyan);
	font-size: 0.82rem;
}

.pinn-slider-val.amber {
	color: var(--pinn-amber);
}

.pinn-slider-val.purple {
	color: var(--pinn-purple);
}

.pinn-range {
	width: 100%;
	height: 5px;
	border-radius: 3px;
	background: #1e293b;
	outline: none;
	-webkit-appearance: none;
	appearance: none;
	cursor: pointer;
}

.pinn-range::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 15px;
	height: 15px;
	border-radius: 50%;
	background: var(--pinn-cyan);
	box-shadow: 0 0 8px var(--pinn-cyan);
	cursor: pointer;
	border: 2px solid #090e17;
	transition: transform 0.1s ease;
}

.pinn-range.amber-thumb::-webkit-slider-thumb {
	background: var(--pinn-amber);
	box-shadow: 0 0 8px var(--pinn-amber);
}

.pinn-range.purple-thumb::-webkit-slider-thumb {
	background: var(--pinn-purple);
	box-shadow: 0 0 8px var(--pinn-purple);
}

.pinn-range::-webkit-slider-thumb:hover {
	transform: scale(1.2);
}

/* Selector de Estrategia de Puntos de Colocación */
.pinn-strategy-selector {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0.35rem;
	margin-bottom: 0.75rem;
}

.pinn-strat-btn {
	background: rgba(15, 23, 42, 0.9);
	border: 1px solid rgba(255, 255, 255, 0.1);
	color: var(--pinn-text-muted);
	font-size: 0.72rem;
	font-weight: 600;
	padding: 0.35rem 0.25rem;
	border-radius: 6px;
	cursor: pointer;
	text-align: center;
	transition: all 0.15s ease;
}

.pinn-strat-btn:hover {
	border-color: var(--pinn-purple);
	color: #fff;
}

.pinn-strat-btn.active {
	background: rgba(168, 85, 247, 0.22);
	border-color: var(--pinn-purple);
	color: #ffffff;
	box-shadow: 0 0 8px var(--pinn-purple-glow);
}

/* Botones de Acción (Animación & Reset) */
.pinn-actions-row {
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 0.5rem;
}

.pinn-btn-primary {
	background: linear-gradient(135deg, #0284c7, #4f46e5);
	color: #fff;
	border: none;
	border-radius: 8px;
	padding: 0.5rem 0.9rem;
	font-size: 0.8rem;
	font-weight: 600;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	transition: all 0.2s ease;
	box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.pinn-btn-primary:hover {
	background: linear-gradient(135deg, #0ea5e9, #6366f1);
	transform: translateY(-1px);
	box-shadow: 0 6px 16px rgba(2, 132, 199, 0.45);
}

.pinn-btn-secondary {
	background: rgba(30, 41, 59, 0.8);
	color: var(--pinn-text-muted);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 8px;
	padding: 0.5rem 0.85rem;
	font-size: 0.8rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s ease;
}

.pinn-btn-secondary:hover {
	background: rgba(51, 65, 85, 0.9);
	color: #fff;
}

/* Grilla de Métricas HUD */
.pinn-metrics-hud {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0.45rem;
}

.pinn-metric-tile {
	background: rgba(15, 23, 42, 0.6);
	border: 1px solid rgba(255, 255, 255, 0.06);
	border-radius: 8px;
	padding: 0.45rem 0.55rem;
	display: flex;
	flex-direction: column;
	gap: 0.15rem;
}

.pinn-m-name {
	font-size: 0.68rem;
	color: var(--pinn-text-dim);
	font-weight: 600;
}

.pinn-m-val {
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
	font-size: 0.84rem;
	font-weight: 700;
	color: #ffffff;
}

.pinn-m-val.green {
	color: var(--pinn-emerald);
}

.pinn-m-val.amber {
	color: var(--pinn-amber);
}

.pinn-m-val.cyan {
	color: var(--pinn-cyan);
}

/* Tarjeta Didáctica de Explicación Dinámica (Insight Card) */
.pinn-insight-box {
	background: rgba(15, 23, 42, 0.8);
	border-left: 3px solid var(--pinn-cyan);
	border-radius: 0 8px 8px 0;
	padding: 0.75rem 0.9rem;
	font-size: 0.8rem;
	line-height: 1.45;
	color: #cbd5e1;
	transition: all 0.25s ease;
}

.pinn-insight-box strong {
	color: #ffffff;
}

.pinn-insight-box.warning {
	border-left-color: var(--pinn-rose);
	background: rgba(244, 63, 94, 0.08);
}

.pinn-insight-box.physics-only {
	border-left-color: var(--pinn-purple);
	background: rgba(168, 85, 247, 0.08);
}

.pinn-insight-box.optimal {
	border-left-color: var(--pinn-emerald);
	background: rgba(16, 185, 129, 0.08);
}

/* Vista Previa Estática de Fallback (cuando JS esté inactivo) */
.pinn-fallback-preview {
	padding: 2rem 1rem;
	text-align: center;
	color: var(--pinn-text-muted);
}