.herramienta-ayuda {
    background: var(--bg-input);
    padding: 25px;
    border-radius: 12px;
    border: 2px solid var(--color-primario-hover);
    text-align: center;
}

.header-guia-potencias h3 {
    color: var(--color-primario);
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.fila-paso-potencia {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 15px 0;
}

.paso-historial {
    opacity: 0.6;
    pointer-events: none;
    filter: grayscale(0.2);
    margin-bottom: 20px;
}


.fraccion-guia {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--color-primario);
    background: var(--bg-tarjeta);
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.05);
    margin-bottom: 15px;
}

.num-guia, .den-guia {
    width: 100%;
    text-align: center;
}

.num-guia {
    padding-bottom: 8px;
}

.den-guia {
    padding-top: 8px;
    border-top: 3px solid var(--color-primario); 
}

.operador-guia {
    margin: 0 8px;
    color: var(--texto-principal);
}

.termino-estatico {
    padding: 5px 8px;
}


.termino-interactivo {
    cursor: pointer;
    padding: 5px 8px;
    border-radius: 6px;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.termino-interactivo:hover {
    background-color: var(--borde-suave);
    border-color: var(--color-primario-hover);
}

.termino-interactivo.destacado {
    background-color: var(--bg-sitio);
    border-color: var(--alerta-naranja);
    color: var(--alerta-naranja);
    transform: scale(1.05);
    box-shadow: 0 0 8px rgba(220, 53, 69, 0.2);
}


.panel-accion, .panel-resultado {
    width: 100%;
    max-width: 550px;
    background: var(--bg-tarjeta);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--borde-fuerte);
    animation: popIn 0.3s ease;
}

.opciones-accion {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

.opcion-radio-item {
    margin-bottom: 8px;
}

.radio-accion { 
    display: none; 
}

.label-accion {
    padding: 10px 15px;
    background-color: var(--bg-input);
    border: 2px solid var(--borde-fuerte);
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--texto-principal);
    display: inline-block;
}

.label-accion:hover { 
    border-color: var(--color-primario-hover); 
}

.radio-accion:checked + .label-accion {
    background-color: var(--color-primario);
    color: var(--texto-blanco);
    border-color: var(--color-primario);
    transform: scale(1.05);
}

.texto-alerta {
    color: var(--alerta-naranja);
    font-weight: bold;
}


.potencia-input-group {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 15px 0;
}

.input-paso {
    text-align: center;
    border: 2px solid var(--borde-fuerte);
    border-radius: 6px;
    font-weight: bold;
    background-color: var(--bg-input);
    color: var(--texto-principal);
    outline: none;
}

.input-paso:focus { 
    border-color: var(--color-primario-hover); 
}

.base-input { 
    width: 60px; 
    height: 45px; 
    font-size: 1.3rem; 
}

.exp-input { 
    width: 45px; 
    height: 35px; 
    font-size: 1rem; 
    position: relative; 
    top: -15px; 
    margin-left: 2px; 
}

.btn-check {
    padding: 10px 20px;
    background-color: var(--color-primario);
    color: var(--texto-blanco);
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-check:hover {
    background-color: var(--color-primario-hover);
}


.input-error {
    border-color: var(--alerta-naranja) !important;
    background-color: rgba(220, 53, 69, 0.1) !important;
    animation: shake 0.3s ease;
}

.input-exito {
    border-color: var(--exito-verde) !important;
}

.oculto { 
    display: none !important; 
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}