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#0003}.P-1TeG_elemento.P-1TeG_filtrado{opacity:.15;pointer-events:none}.P-1TeG_numeroAtomico{color:#0009;font-size:.55rem;font-weight:500;position:absolute;top:2px;left:3px}.P-1TeG_simbolo{color:#000000d9;font-size:1.1rem;font-weight:700;line-height:1}.P-1TeG_nombre{color:#000000b3;text-align:center;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:.45rem;line-height:1.1;overflow:hidden}.P-1TeG_masa{color:#00000080;font-size:.45rem}.P-1TeG_metales-alcalinos{background:#ff6b6b}.P-1TeG_metales-alcalinoterreos{background:#ffb347}.P-1TeG_metales-transicion{background:#87ceeb}.P-1TeG_metaloides{background:#98d8c8}.P-1TeG_no-metales{background:#c3b1e1}.P-1TeG_halogenos{background:#f9e79f}.P-1TeG_gases-nobles{background:#aed6f1}.P-1TeG_lantanidos{background:#f5b7b1}.P-1TeG_actinidos{background:#d5dbdb}.P-1TeG_otros-metales{background:#a9dfbf}.P-1TeG_indicadorSerie{color:var(--text-muted);background:var(--hover);border-radius:4px;justify-content:center;align-items:center;padding:4px;font-size:.7rem;font-weight:600;display:flex}.P-1TeG_leyenda{background:var(--bg-card);border-radius:12px;margin-bottom:1.5rem;padding:1.25rem}.P-1TeG_leyenda 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li:before{content:"⚠";color:var(--ambar-texto,#f59e0b);font-size:.85rem;position:absolute;left:0}[data-theme=dark] .P-1TeG_warningList li:before{color:#fbbf24}.P-1TeG_warningList strong{color:var(--text-primary)}@media (max-width:1200px){.P-1TeG_tablaPeriodica{grid-template-columns:repeat(18,minmax(45px,1fr))}.P-1TeG_elemento{min-width:45px}}@media (max-width:768px){.P-1TeG_container{padding:1rem .5rem}.P-1TeG_hero{margin-top:70px;padding:1.5rem 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10px;font-size:.72rem;font-weight:600}.P-1TeG_aulaEnunciado{color:var(--text-primary);margin:0;font-size:.95rem;line-height:1.6}.P-1TeG_aulaRespuesta{gap:var(--spacing-xs);flex-direction:column;display:flex}.P-1TeG_aulaEtiquetaCampo{color:var(--text-secondary);font-size:.85rem;font-weight:600}.P-1TeG_aulaCampo{width:100%;color:var(--text-primary);background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius);padding:.6rem .75rem;font-size:1rem;transition:border-color .2s}.P-1TeG_aulaCampo:focus{border-color:var(--primary);outline:none}.P-1TeG_aulaCampo:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.P-1TeG_aulaAcciones{gap:var(--spacing-sm);flex-wrap:wrap;display:flex}.P-1TeG_aulaBtnPrimario,.P-1TeG_aulaBtnSecundario,.P-1TeG_aulaBtnCargar{border-radius:var(--radius);cursor:pointer;padding:.55rem 1rem;font-family:inherit;font-size:.9rem;font-weight:600;transition:background .2s,color .2s,border-color .2s}.P-1TeG_aulaBtnPrimario{background:var(--primary-boton);color:#fff;border:2px solid var(--primary-boton)}.P-1TeG_aulaBtnPrimario:hover{background:#256d8c;border-color:#256d8c}.P-1TeG_aulaBtnSecundario{color:var(--primary-texto);border:2px solid var(--primary);background:0 0}.P-1TeG_aulaBtnSecundario:hover{background:#2e86ab1a}.P-1TeG_aulaBtnCargar{color:var(--secondary-texto);border:1px dashed var(--secondary);background:0 0;padding:.4rem .75rem;font-size:.82rem}.P-1TeG_aulaBtnCargar:hover{background:#48a9a61f}.P-1TeG_aulaBtnPrimario:focus-visible,.P-1TeG_aulaBtnSecundario:focus-visible,.P-1TeG_aulaBtnCargar:focus-visible{outline:2px solid var(--primary);outline-offset:2px}[data-theme=dark] .P-1TeG_aulaBtnSecundario,[data-theme=dark] .P-1TeG_aulaBtnCargar{color:var(--accent);border-color:var(--accent)}[data-theme=dark] .P-1TeG_aulaBtnSecundario:hover,[data-theme=dark] .P-1TeG_aulaBtnCargar:hover{background:#7fb3d326}.P-1TeG_aulaVeredicto{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius);border-left:4px solid #0000;margin:0;font-size:.9rem;line-height:1.5}.P-1TeG_aulaVeredictoOk{border-left-color:var(--success);color:var(--text-primary);background:#10b9811f}.P-1TeG_aulaVeredictoKo{border-left-color:var(--error);color:var(--text-primary);background:#ef44441f}[data-theme=dark] .P-1TeG_aulaVeredictoOk{background:#10b98133}[data-theme=dark] .P-1TeG_aulaVeredictoKo{background:#ef444433}.P-1TeG_aulaSolucion{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:var(--spacing-md);margin-top:var(--spacing-sm)}.P-1TeG_aulaPista{margin:0 0 var(--spacing-sm) 0;color:var(--text-secondary);font-size:.88rem;font-style:italic;line-height:1.5}.P-1TeG_aulaDondeMirar{color:var(--text-primary);margin:var(--spacing-sm) 0 var(--spacing-xs);font-size:.9rem;font-weight:600}.P-1TeG_aulaPasos{gap:var(--spacing-xs);flex-direction:column;margin:0;padding-left:1.2rem;display:flex}.P-1TeG_aulaPaso{color:var(--text-primary);font-size:.88rem;line-height:1.55}.P-1TeG_aulaResultado{margin:var(--spacing-md) 0 0 0;color:var(--text-primary);padding-top:var(--spacing-sm);border-top:1px solid var(--border);font-size:.95rem}.P-1TeG_aulaPractica{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:2px dashed var(--border)}.P-1TeG_aulaPracticaTitulo{color:var(--text-primary);margin-bottom:var(--spacing-sm);font-size:1.2rem;font-weight:600}@media (max-width:768px){.P-1TeG_aulaSection{padding:var(--spacing-md)}.P-1TeG_aulaTitulo{font-size:1.3rem}.P-1TeG_aulaGrid{grid-template-columns:1fr}.P-1TeG_aulaCaso{padding:var(--spacing-md)}.P-1TeG_aulaContador{flex-direction:column;align-items:stretch}.P-1TeG_aulaBarra{flex:auto;width:100%}.P-1TeG_aulaAcciones{flex-direction:column}.P-1TeG_aulaBtnPrimario,.P-1TeG_aulaBtnSecundario,.P-1TeG_aulaBtnCargar{width:100%}}.P-1TeG_mudaBox{background:var(--bg-card);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:12px;margin-bottom:1.5rem;padding:1.5rem}[data-theme=dark] .P-1TeG_mudaBox{background:var(--bg-card);border-color:var(--border);border-left-color:var(--primary)}.P-1TeG_mudaBox h2{color:var(--primary-texto);margin:0 0 .5rem;font-size:1.3rem}.P-1TeG_mudaDesc{color:var(--text-secondary);margin:0 0 1rem;font-size:.95rem;line-height:1.6}.P-1TeG_mudaCampos{border:1px solid var(--border);border-radius:8px;flex-wrap:wrap;gap:.5rem 1.25rem;margin:0 0 .75rem;padding:.75rem 1rem;display:flex}.P-1TeG_mudaCampos legend{color:var(--text-primary);padding:0 .375rem;font-size:.9rem;font-weight:600}.P-1TeG_mudaCampo{min-height:44px;color:var(--text-primary);cursor:pointer;align-items:center;gap:.5rem;font-size:.95rem;display:inline-flex}.P-1TeG_mudaCampo input{width:1.15rem;height:1.15rem;accent-color:var(--primary-boton);cursor:pointer}.P-1TeG_mudaResumen{color:var(--text-muted);margin:0 0 1rem;font-size:.9rem;line-height:1.5}[data-theme=dark] .P-1TeG_mudaResumen{color:var(--text-muted)}.P-1TeG_mudaBoton{background:var(--primary-boton);border:2px solid var(--primary-boton);color:#fff;cursor:pointer;border-radius:8px;min-height:44px;padding:.7rem 1.2rem;font-family:inherit;font-size:.95rem;font-weight:600}.P-1TeG_mudaBoton:hover{filter:brightness(1.1)}.P-1TeG_mudaBoton:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.P-1TeG_hojaMuda{display:none}@page tablaMuda{size:landscape}@media print{.P-1TeG_hojaMuda{page:tablaMuda;font-family:Arial,Helvetica,sans-serif;display:block!important}.P-1TeG_hojaPagina{break-inside:avoid;page-break-inside:avoid;display:block}.P-1TeG_hojaSolucionario{break-before:page;page-break-before:always}.P-1TeG_hojaOculta{display:none!important}.P-1TeG_hojaTitulo{text-align:center;color:#000;margin:0 0 1mm;font-size:15pt;font-weight:700}.P-1TeG_hojaDatos{text-align:center;color:#000;margin:0 0 3mm;font-size:9pt}.P-1TeG_hojaRejilla{grid-template-rows:5mm repeat(7,15mm) 3mm repeat(2,15mm);grid-template-columns:5mm repeat(18,minmax(0,1fr));gap:.5mm;width:100%;display:grid}.P-1TeG_hojaRotulo{color:#000;justify-content:center;align-items:center;font-size:7pt;font-weight:700;display:flex}.P-1TeG_hojaCasilla{border:var(--linea,.35mm) solid #000;color:#000;flex-direction:column;justify-content:center;align-items:center;padding:.5mm;display:flex;position:relative}.P-1TeG_hojaZ{font-size:5.5pt;line-height:1;position:absolute;top:.4mm;left:.8mm}.P-1TeG_hojaSimbolo{font-size:11pt;font-weight:700;line-height:1.05}.P-1TeG_hojaNombre{text-align:center;white-space:nowrap;font-size:4.8pt;line-height:1.1}.P-1TeG_hojaMasa{font-size:4.8pt;line-height:1.1}.P-1TeG_hojaSerieHueco{border:var(--linea,.35mm) dashed #000;color:#000;justify-content:center;align-items:center;font-size:6pt;display:flex}.P-1TeG_hojaSerieNombre{color:#000;justify-content:flex-end;align-items:center;padding-right:1.5mm;font-size:7pt;font-weight:700;display:flex}}