body { font-family: Arial, sans-serif; background-color: #f4f4f9; padding: 20px; margin: 0; }
h1 { color: #2c3e50; border-bottom: 2px solid #2c3e50; padding-bottom: 10px; }

.ejercicio { 
    background-color: white; 
    padding: 20px; 
    border-radius: 8px; 
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); 
    min-height: 400px; 
}

/* Explicación con estilo corporativo unificado */
.explicacion {
    background-color: #ebf8ff;
    padding: 10px 15px;
    border-left: 4px solid #3182ce;
    margin-bottom: 20px;
    border-radius: 0 4px 4px 0;
    color: #2b6cb0;
}

/* Capas */
.capa-movil {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 300px;
    left: 100px;
    background-color: #3182ce;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.capa-arrastrable {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 300px;
    left: 300px;
    background-color: #38a169;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    border-radius: 4px;
}

/* Controles */
.panel-controles {
    margin-top: 250px;
    border-top: 1px solid #cbd5e0;
    padding-top: 20px;
}

.btn-interactivo {
    padding: 8px 12px;
    background-color: #3182ce;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

.btn-interactivo:hover {
    background-color: #2b6cb0;
}