body {
	background-color: #050505;
	background: radial-gradient(ellipse at center, rgba(43,45,48,1) 0%, rgba(0,0,0,1) 100%);
}

/* ── Molécula 3D ── */
/* Estilo das ligações entre átomos */
.bond {
	width: 5px;
	height: 10px;
	background: #eee;
	display: block;
}
/* Wrapper para átomo (imagem + rótulo) */
.atom-wrap {
	position: relative;
	width: 35px;
	height: 35px;
}
.atom-wrap img { width: 100%; height: 100%; }
/* Rótulo com símbolo do elemento químico */
.atom-label {
	position: absolute;
	top: 50%; left: 50%;
	transform: translate(-50%, -50%);
	color: #fff;
	font-size: 10px;
	font-weight: bold;
	font-family: monospace;
	text-shadow: 0 0 3px #000, 0 0 3px #000;
	pointer-events: none;
	display: none;
}

/* ── Loading ── */
/* Indicador de carregamento centralizado */
#loading {
	position: fixed;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	color: rgba(255,255,255,0.4);
	font-size: 14px;
	pointer-events: none;
	z-index: 5;
	transition: opacity 0.3s;
}
#loading.hidden { opacity: 0; }

/* ── Painel info ── */
/* Painel de informações da molécula (canto inferior esquerdo) */
#mol-info {
	position: fixed;
	bottom: 20px;
	left: 20px;
	background: rgba(0,0,0,0.75);
	border: 1px solid rgba(255,255,255,0.1);
	border-radius: 10px;
	padding: 14px 18px;
	max-width: 275px;
	z-index: 10;
	font-size: 13px;
	line-height: 1.6;
}
#mol-info h2 {
	margin: 0 0 6px;
	font-size: 15px;
	color: #fff;
	display: flex;
	align-items: center;
	gap: 8px;
}
/* Badge colorido da categoria */
.category-badge {
	font-size: 10px;
	font-weight: normal;
	padding: 2px 7px;
	border-radius: 10px;
	color: #fff;
	white-space: nowrap;
}
#mol-info .formula     { font-size: 14px; color: #ffdd57; margin-bottom: 2px; }
#mol-info .weight      { color: #888; font-size: 11px; margin-bottom: 8px; }
#mol-info .description { color: #ccc; font-size: 12px; line-height: 1.5; margin-bottom: 8px; }
/* Caixa de curiosidade com borda azul à esquerda */
#mol-info .curiosidade {
	color: #aaddff;
	font-size: 11px;
	line-height: 1.5;
	border-left: 2px solid rgba(100,180,255,0.4);
	padding-left: 8px;
	margin-bottom: 10px;
}
#mol-info .stats { color: #88ccff; font-size: 12px; }

/* ── Legenda ── */
/* Legenda de elementos químicos (canto inferior direito) */
#legend {
	position: fixed;
	bottom: 20px;
	right: 20px;
	background: rgba(0,0,0,0.75);
	border: 1px solid rgba(255,255,255,0.1);
	border-radius: 10px;
	padding: 12px 16px;
	z-index: 10;
	font-size: 12px;
	min-width: 110px;
}
#legend h3 { margin: 0 0 8px; font-size: 13px; color: #fff; }
.legend-item {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 5px;
	color: #ddd;
}
/* Ponto colorido representando o elemento */
.legend-dot {
	width: 13px; height: 13px;
	border-radius: 50%;
	flex-shrink: 0;
	border: 1px solid rgba(255,255,255,0.2);
}

/* ── Anaglifo ── */
/* Filtros aplicados inline via JS em cada elemento atom-wrap / bond */

/* ── Atalhos de teclado ── */
/* Dicas de atalhos de teclado (parte inferior central) */
#keys {
	position: fixed;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	justify-content: center;
	z-index: 10;
	pointer-events: none;
}
.key-hint {
	background: rgba(0,0,0,0.6);
	border: 1px solid rgba(255,255,255,0.1);
	border-radius: 5px;
	padding: 3px 8px;
	font-size: 11px;
	color: rgba(255,255,255,0.45);
	white-space: nowrap;
}
.key-hint kbd {
	color: rgba(255,255,255,0.7);
	font-family: monospace;
}